diff options
Diffstat (limited to 'src/remote.c')
| -rw-r--r-- | src/remote.c | 2790 |
1 files changed, 0 insertions, 2790 deletions
diff --git a/src/remote.c b/src/remote.c deleted file mode 100644 index 56d7e42db..000000000 --- a/src/remote.c +++ /dev/null @@ -1,2790 +0,0 @@ -/* - * Copyright (C) the libgit2 contributors. All rights reserved. - * - * This file is part of libgit2, distributed under the GNU GPL v2 with - * a Linking Exception. For full terms see the included COPYING file. - */ - -#include "remote.h" - -#include "git2/config.h" -#include "git2/types.h" -#include "git2/oid.h" -#include "git2/net.h" - -#include "config.h" -#include "repository.h" -#include "fetch.h" -#include "refs.h" -#include "refspec.h" -#include "fetchhead.h" -#include "push.h" - -#define CONFIG_URL_FMT "remote.%s.url" -#define CONFIG_PUSHURL_FMT "remote.%s.pushurl" -#define CONFIG_FETCH_FMT "remote.%s.fetch" -#define CONFIG_PUSH_FMT "remote.%s.push" -#define CONFIG_TAGOPT_FMT "remote.%s.tagopt" - -static int dwim_refspecs(git_vector *out, git_vector *refspecs, git_vector *refs); -static int lookup_remote_prune_config(git_remote *remote, git_config *config, const char *name); -char *apply_insteadof(git_config *config, const char *url, int direction); - -static int add_refspec_to(git_vector *vector, const char *string, bool is_fetch) -{ - git_refspec *spec; - - spec = git__calloc(1, sizeof(git_refspec)); - GIT_ERROR_CHECK_ALLOC(spec); - - if (git_refspec__parse(spec, string, is_fetch) < 0) { - git__free(spec); - return -1; - } - - spec->push = !is_fetch; - if (git_vector_insert(vector, spec) < 0) { - git_refspec__dispose(spec); - git__free(spec); - return -1; - } - - return 0; -} - -static int add_refspec(git_remote *remote, const char *string, bool is_fetch) -{ - return add_refspec_to(&remote->refspecs, string, is_fetch); -} - -static int download_tags_value(git_remote *remote, git_config *cfg) -{ - git_config_entry *ce; - git_buf buf = GIT_BUF_INIT; - int error; - - if (git_buf_printf(&buf, "remote.%s.tagopt", remote->name) < 0) - return -1; - - error = git_config__lookup_entry(&ce, cfg, git_buf_cstr(&buf), false); - git_buf_dispose(&buf); - - if (!error && ce && ce->value) { - if (!strcmp(ce->value, "--no-tags")) - remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_NONE; - else if (!strcmp(ce->value, "--tags")) - remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_ALL; - } - - git_config_entry_free(ce); - return error; -} - -static int ensure_remote_name_is_valid(const char *name) -{ - int valid, error; - - error = git_remote_name_is_valid(&valid, name); - - if (!error && !valid) { - git_error_set( - GIT_ERROR_CONFIG, - "'%s' is not a valid remote name.", name ? name : "(null)"); - error = GIT_EINVALIDSPEC; - } - - return error; -} - -static int write_add_refspec(git_repository *repo, const char *name, const char *refspec, bool fetch) -{ - git_config *cfg; - git_buf var = GIT_BUF_INIT; - git_refspec spec; - const char *fmt; - int error; - - if ((error = git_repository_config__weakptr(&cfg, repo)) < 0) - return error; - - fmt = fetch ? CONFIG_FETCH_FMT : CONFIG_PUSH_FMT; - - if ((error = ensure_remote_name_is_valid(name)) < 0) - return error; - - if ((error = git_refspec__parse(&spec, refspec, fetch)) < 0) - return error; - - git_refspec__dispose(&spec); - - if ((error = git_buf_printf(&var, fmt, name)) < 0) - return error; - - /* - * "$^" is an unmatchable regexp: it will not match anything at all, so - * all values will be considered new and we will not replace any - * present value. - */ - if ((error = git_config_set_multivar(cfg, var.ptr, "$^", refspec)) < 0) { - goto cleanup; - } - -cleanup: - git_buf_dispose(&var); - return 0; -} - -static int canonicalize_url(git_buf *out, const char *in) -{ - if (in == NULL || strlen(in) == 0) { - git_error_set(GIT_ERROR_INVALID, "cannot set empty URL"); - return GIT_EINVALIDSPEC; - } - -#ifdef GIT_WIN32 - /* Given a UNC path like \\server\path, we need to convert this - * to //server/path for compatibility with core git. - */ - if (in[0] == '\\' && in[1] == '\\' && - (git__isalpha(in[2]) || git__isdigit(in[2]))) { - const char *c; - for (c = in; *c; c++) - git_buf_putc(out, *c == '\\' ? '/' : *c); - - return git_buf_oom(out) ? -1 : 0; - } -#endif - - return git_buf_puts(out, in); -} - -static int default_fetchspec_for_name(git_buf *buf, const char *name) -{ - if (git_buf_printf(buf, "+refs/heads/*:refs/remotes/%s/*", name) < 0) - return -1; - - return 0; -} - -static int ensure_remote_doesnot_exist(git_repository *repo, const char *name) -{ - int error; - git_remote *remote; - - error = git_remote_lookup(&remote, repo, name); - - if (error == GIT_ENOTFOUND) - return 0; - - if (error < 0) - return error; - - git_remote_free(remote); - - git_error_set(GIT_ERROR_CONFIG, "remote '%s' already exists", name); - - return GIT_EEXISTS; -} - -int git_remote_create_options_init(git_remote_create_options *opts, unsigned int version) -{ - GIT_INIT_STRUCTURE_FROM_TEMPLATE( - opts, version, git_remote_create_options, GIT_REMOTE_CREATE_OPTIONS_INIT); - return 0; -} - -#ifndef GIT_DEPRECATE_HARD -int git_remote_create_init_options(git_remote_create_options *opts, unsigned int version) -{ - return git_remote_create_options_init(opts, version); -} -#endif - -int git_remote_create_with_opts(git_remote **out, const char *url, const git_remote_create_options *opts) -{ - git_remote *remote = NULL; - git_config *config_ro = NULL, *config_rw; - git_buf canonical_url = GIT_BUF_INIT; - git_buf var = GIT_BUF_INIT; - git_buf specbuf = GIT_BUF_INIT; - const git_remote_create_options dummy_opts = GIT_REMOTE_CREATE_OPTIONS_INIT; - int error = -1; - - GIT_ASSERT_ARG(out); - GIT_ASSERT_ARG(url); - - if (!opts) { - opts = &dummy_opts; - } - - GIT_ERROR_CHECK_VERSION(opts, GIT_REMOTE_CREATE_OPTIONS_VERSION, "git_remote_create_options"); - - if (opts->name != NULL) { - if ((error = ensure_remote_name_is_valid(opts->name)) < 0) - return error; - - if (opts->repository && - (error = ensure_remote_doesnot_exist(opts->repository, opts->name)) < 0) - return error; - } - - if (opts->repository) { - if ((error = git_repository_config_snapshot(&config_ro, opts->repository)) < 0) - goto on_error; - } - - remote = git__calloc(1, sizeof(git_remote)); - GIT_ERROR_CHECK_ALLOC(remote); - - remote->repo = opts->repository; - - if ((error = git_vector_init(&remote->refs, 8, NULL)) < 0 || - (error = canonicalize_url(&canonical_url, url)) < 0) - goto on_error; - - if (opts->repository && !(opts->flags & GIT_REMOTE_CREATE_SKIP_INSTEADOF)) { - remote->url = apply_insteadof(config_ro, canonical_url.ptr, GIT_DIRECTION_FETCH); - } else { - remote->url = git__strdup(canonical_url.ptr); - } - GIT_ERROR_CHECK_ALLOC(remote->url); - - if (opts->name != NULL) { - remote->name = git__strdup(opts->name); - GIT_ERROR_CHECK_ALLOC(remote->name); - - if (opts->repository && - ((error = git_buf_printf(&var, CONFIG_URL_FMT, opts->name)) < 0 || - (error = git_repository_config__weakptr(&config_rw, opts->repository)) < 0 || - (error = git_config_set_string(config_rw, var.ptr, canonical_url.ptr)) < 0)) - goto on_error; - } - - if (opts->fetchspec != NULL || - (opts->name && !(opts->flags & GIT_REMOTE_CREATE_SKIP_DEFAULT_FETCHSPEC))) { - const char *fetch = NULL; - if (opts->fetchspec) { - fetch = opts->fetchspec; - } else { - if ((error = default_fetchspec_for_name(&specbuf, opts->name)) < 0) - goto on_error; - - fetch = git_buf_cstr(&specbuf); - } - - if ((error = add_refspec(remote, fetch, true)) < 0) - goto on_error; - - /* only write for named remotes with a repository */ - if (opts->repository && opts->name && - ((error = write_add_refspec(opts->repository, opts->name, fetch, true)) < 0 || - (error = lookup_remote_prune_config(remote, config_ro, opts->name)) < 0)) - goto on_error; - - /* Move the data over to where the matching functions can find them */ - if ((error = dwim_refspecs(&remote->active_refspecs, &remote->refspecs, &remote->refs)) < 0) - goto on_error; - } - - /* A remote without a name doesn't download tags */ - if (!opts->name) - remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_NONE; - else - remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_AUTO; - - - git_buf_dispose(&var); - - *out = remote; - error = 0; - -on_error: - if (error) - git_remote_free(remote); - - git_config_free(config_ro); - git_buf_dispose(&specbuf); - git_buf_dispose(&canonical_url); - git_buf_dispose(&var); - return error; -} - -int git_remote_create(git_remote **out, git_repository *repo, const char *name, const char *url) -{ - git_buf buf = GIT_BUF_INIT; - int error; - git_remote_create_options opts = GIT_REMOTE_CREATE_OPTIONS_INIT; - - /* Those 2 tests are duplicated here because of backward-compatibility */ - if ((error = ensure_remote_name_is_valid(name)) < 0) - return error; - - if (canonicalize_url(&buf, url) < 0) - return GIT_ERROR; - - git_buf_clear(&buf); - - opts.repository = repo; - opts.name = name; - - error = git_remote_create_with_opts(out, url, &opts); - - git_buf_dispose(&buf); - - return error; -} - -int git_remote_create_with_fetchspec(git_remote **out, git_repository *repo, const char *name, const char *url, const char *fetch) -{ - int error; - git_remote_create_options opts = GIT_REMOTE_CREATE_OPTIONS_INIT; - - if ((error = ensure_remote_name_is_valid(name)) < 0) - return error; - - opts.repository = repo; - opts.name = name; - opts.fetchspec = fetch; - opts.flags = GIT_REMOTE_CREATE_SKIP_DEFAULT_FETCHSPEC; - - return git_remote_create_with_opts(out, url, &opts); -} - -int git_remote_create_anonymous(git_remote **out, git_repository *repo, const char *url) -{ - git_remote_create_options opts = GIT_REMOTE_CREATE_OPTIONS_INIT; - - opts.repository = repo; - - return git_remote_create_with_opts(out, url, &opts); -} - -int git_remote_create_detached(git_remote **out, const char *url) -{ - return git_remote_create_with_opts(out, url, NULL); -} - -int git_remote_dup(git_remote **dest, git_remote *source) -{ - size_t i; - int error = 0; - git_refspec *spec; - git_remote *remote = git__calloc(1, sizeof(git_remote)); - GIT_ERROR_CHECK_ALLOC(remote); - - if (source->name != NULL) { - remote->name = git__strdup(source->name); - GIT_ERROR_CHECK_ALLOC(remote->name); - } - - if (source->url != NULL) { - remote->url = git__strdup(source->url); - GIT_ERROR_CHECK_ALLOC(remote->url); - } - - if (source->pushurl != NULL) { - remote->pushurl = git__strdup(source->pushurl); - GIT_ERROR_CHECK_ALLOC(remote->pushurl); - } - - remote->repo = source->repo; - remote->download_tags = source->download_tags; - remote->prune_refs = source->prune_refs; - - if (git_vector_init(&remote->refs, 32, NULL) < 0 || - git_vector_init(&remote->refspecs, 2, NULL) < 0 || - git_vector_init(&remote->active_refspecs, 2, NULL) < 0) { - error = -1; - goto cleanup; - } - - git_vector_foreach(&source->refspecs, i, spec) { - if ((error = add_refspec(remote, spec->string, !spec->push)) < 0) - goto cleanup; - } - - *dest = remote; - -cleanup: - - if (error < 0) - git__free(remote); - - return error; -} - -struct refspec_cb_data { - git_remote *remote; - int fetch; -}; - -static int refspec_cb(const git_config_entry *entry, void *payload) -{ - struct refspec_cb_data *data = (struct refspec_cb_data *)payload; - return add_refspec(data->remote, entry->value, data->fetch); -} - -static int get_optional_config( - bool *found, git_config *config, git_buf *buf, - git_config_foreach_cb cb, void *payload) -{ - int error = 0; - const char *key = git_buf_cstr(buf); - - if (git_buf_oom(buf)) - return -1; - - if (cb != NULL) - error = git_config_get_multivar_foreach(config, key, NULL, cb, payload); - else - error = git_config_get_string(payload, config, key); - - if (found) - *found = !error; - - if (error == GIT_ENOTFOUND) { - git_error_clear(); - error = 0; - } - - return error; -} - -int git_remote_lookup(git_remote **out, git_repository *repo, const char *name) -{ - git_remote *remote = NULL; - git_buf buf = GIT_BUF_INIT; - const char *val; - int error = 0; - git_config *config; - struct refspec_cb_data data = { NULL }; - bool optional_setting_found = false, found; - - GIT_ASSERT_ARG(out); - GIT_ASSERT_ARG(repo); - GIT_ASSERT_ARG(name); - - if ((error = ensure_remote_name_is_valid(name)) < 0) - return error; - - if ((error = git_repository_config_snapshot(&config, repo)) < 0) - return error; - - remote = git__calloc(1, sizeof(git_remote)); - GIT_ERROR_CHECK_ALLOC(remote); - - remote->name = git__strdup(name); - GIT_ERROR_CHECK_ALLOC(remote->name); - - if (git_vector_init(&remote->refs, 32, NULL) < 0 || - git_vector_init(&remote->refspecs, 2, NULL) < 0 || - git_vector_init(&remote->passive_refspecs, 2, NULL) < 0 || - git_vector_init(&remote->active_refspecs, 2, NULL) < 0) { - error = -1; - goto cleanup; - } - - if ((error = git_buf_printf(&buf, "remote.%s.url", name)) < 0) - goto cleanup; - - if ((error = get_optional_config(&found, config, &buf, NULL, (void *)&val)) < 0) - goto cleanup; - - optional_setting_found |= found; - - remote->repo = repo; - remote->download_tags = GIT_REMOTE_DOWNLOAD_TAGS_AUTO; - - if (found && strlen(val) > 0) { - remote->url = apply_insteadof(config, val, GIT_DIRECTION_FETCH); - GIT_ERROR_CHECK_ALLOC(remote->url); - } - - val = NULL; - git_buf_clear(&buf); - git_buf_printf(&buf, "remote.%s.pushurl", name); - - if ((error = get_optional_config(&found, config, &buf, NULL, (void *)&val)) < 0) - goto cleanup; - - optional_setting_found |= found; - - if (!optional_setting_found) { - error = GIT_ENOTFOUND; - git_error_set(GIT_ERROR_CONFIG, "remote '%s' does not exist", name); - goto cleanup; - } - - if (found && strlen(val) > 0) { - remote->pushurl = apply_insteadof(config, val, GIT_DIRECTION_PUSH); - GIT_ERROR_CHECK_ALLOC(remote->pushurl); - } - - data.remote = remote; - data.fetch = true; - - git_buf_clear(&buf); - git_buf_printf(&buf, "remote.%s.fetch", name); - - if ((error = get_optional_config(NULL, config, &buf, refspec_cb, &data)) < 0) - goto cleanup; - - data.fetch = false; - git_buf_clear(&buf); - git_buf_printf(&buf, "remote.%s.push", name); - - if ((error = get_optional_config(NULL, config, &buf, refspec_cb, &data)) < 0) - goto cleanup; - - if ((error = download_tags_value(remote, config)) < 0) - goto cleanup; - - if ((error = lookup_remote_prune_config(remote, config, name)) < 0) - goto cleanup; - - /* Move the data over to where the matching functions can find them */ - if ((error = dwim_refspecs(&remote->active_refspecs, &remote->refspecs, &remote->refs)) < 0) - goto cleanup; - - *out = remote; - -cleanup: - git_config_free(config); - git_buf_dispose(&buf); - - if (error < 0) - git_remote_free(remote); - - return error; -} - -static int lookup_remote_prune_config(git_remote *remote, git_config *config, const char *name) -{ - git_buf buf = GIT_BUF_INIT; - int error = 0; - - git_buf_printf(&buf, "remote.%s.prune", name); - - if ((error = git_config_get_bool(&remote->prune_refs, config, git_buf_cstr(&buf))) < 0) { - if (error == GIT_ENOTFOUND) { - git_error_clear(); - - if ((error = git_config_get_bool(&remote->prune_refs, config, "fetch.prune")) < 0) { - if (error == GIT_ENOTFOUND) { - git_error_clear(); - error = 0; - } - } - } - } - - git_buf_dispose(&buf); - return error; -} - -const char *git_remote_name(const git_remote *remote) -{ - GIT_ASSERT_ARG_WITH_RETVAL(remote, NULL); - return remote->name; -} - -git_repository *git_remote_owner(const git_remote *remote) -{ - GIT_ASSERT_ARG_WITH_RETVAL(remote, NULL); - return remote->repo; -} - -const char *git_remote_url(const git_remote *remote) -{ - GIT_ASSERT_ARG_WITH_RETVAL(remote, NULL); - return remote->url; -} - -int git_remote_set_instance_url(git_remote *remote, const char *url) -{ - char *tmp; - - GIT_ASSERT_ARG(remote); - GIT_ASSERT_ARG(url); - - if ((tmp = git__strdup(url)) == NULL) - return -1; - - git__free(remote->url); - remote->url = tmp; - - return 0; -} - -static int set_url(git_repository *repo, const char *remote, const char *pattern, const char *url) -{ - git_config *cfg; - git_buf buf = GIT_BUF_INIT, canonical_url = GIT_BUF_INIT; - int error; - - GIT_ASSERT_ARG(repo); - GIT_ASSERT_ARG(remote); - - if ((error = ensure_remote_name_is_valid(remote)) < 0) - return error; - - if ((error = git_repository_config__weakptr(&cfg, repo)) < 0) - return error; - - if ((error = git_buf_printf(&buf, pattern, remote)) < 0) - return error; - - if (url) { - if ((error = canonicalize_url(&canonical_url, url)) < 0) - goto cleanup; - - error = git_config_set_string(cfg, buf.ptr, url); - } else { - error = git_config_delete_entry(cfg, buf.ptr); - } - -cleanup: - git_buf_dispose(&canonical_url); - git_buf_dispose(&buf); - - return error; -} - -int git_remote_set_url(git_repository *repo, const char *remote, const char *url) -{ - return set_url(repo, remote, CONFIG_URL_FMT, url); -} - -const char *git_remote_pushurl(const git_remote *remote) -{ - GIT_ASSERT_ARG_WITH_RETVAL(remote, NULL); - return remote->pushurl; -} - -int git_remote_set_instance_pushurl(git_remote *remote, const char *url) -{ - char *tmp; - - GIT_ASSERT_ARG(remote); - GIT_ASSERT_ARG(url); - - if ((tmp = git__strdup(url)) == NULL) - return -1; - - git__free(remote->pushurl); - remote->pushurl = tmp; - - return 0; -} - -int git_remote_set_pushurl(git_repository *repo, const char *remote, const char *url) -{ - return set_url(repo, remote, CONFIG_PUSHURL_FMT, url); -} - -static int resolve_url( - git_buf *resolved_url, - const char *url, - int direction, - const git_remote_callbacks *callbacks) -{ -#ifdef GIT_DEPRECATE_HARD - GIT_UNUSED(direction); - GIT_UNUSED(callbacks); -#else - int status, error; - - if (callbacks && callbacks->resolve_url) { - git_buf_clear(resolved_url); - status = callbacks->resolve_url(resolved_url, url, direction, callbacks->payload); - if (status != GIT_PASSTHROUGH) { - git_error_set_after_callback_function(status, "git_resolve_url_cb"); - - if ((error = git_buf_sanitize(resolved_url)) < 0) - return error; - - return status; - } - } -#endif - - return git_buf_sets(resolved_url, url); -} - -int git_remote__urlfordirection( - git_buf *url_out, - struct git_remote *remote, - int direction, - const git_remote_callbacks *callbacks) -{ - const char *url = NULL; - - GIT_ASSERT_ARG(remote); - GIT_ASSERT_ARG(direction == GIT_DIRECTION_FETCH || direction == GIT_DIRECTION_PUSH); - - if (callbacks && callbacks->remote_ready) { - int status = callbacks->remote_ready(remote, direction, callbacks->payload); - - if (status != 0 && status != GIT_PASSTHROUGH) { - git_error_set_after_callback_function(status, "git_remote_ready_cb"); - return status; - } - } - - if (direction == GIT_DIRECTION_FETCH) - url = remote->url; - else if (direction == GIT_DIRECTION_PUSH) - url = remote->pushurl ? remote->pushurl : remote->url; - - if (!url) { - git_error_set(GIT_ERROR_INVALID, - "malformed remote '%s' - missing %s URL", - remote->name ? remote->name : "(anonymous)", - direction == GIT_DIRECTION_FETCH ? "fetch" : "push"); - return GIT_EINVALID; - } - - return resolve_url(url_out, url, direction, callbacks); -} - -static int remote_transport_set_callbacks(git_transport *t, const git_remote_callbacks *cbs) -{ - if (!t->set_callbacks || !cbs) - return 0; - - return t->set_callbacks(t, cbs->sideband_progress, NULL, - cbs->certificate_check, cbs->payload); -} - -static int set_transport_custom_headers(git_transport *t, const git_strarray *custom_headers) -{ - if (!t->set_custom_headers) - return 0; - - return t->set_custom_headers(t, custom_headers); -} - -int git_remote__connect(git_remote *remote, git_direction direction, const git_remote_callbacks *callbacks, const git_remote_connection_opts *conn) -{ - git_transport *t; - git_buf url = GIT_BUF_INIT; - int flags = GIT_TRANSPORTFLAGS_NONE; - int error; - void *payload = NULL; - git_credential_acquire_cb credentials = NULL; - git_transport_cb transport = NULL; - - GIT_ASSERT_ARG(remote); - - if (callbacks) { - GIT_ERROR_CHECK_VERSION(callbacks, GIT_REMOTE_CALLBACKS_VERSION, "git_remote_callbacks"); - credentials = callbacks->credentials; - transport = callbacks->transport; - payload = callbacks->payload; - } - - if (conn->proxy) - GIT_ERROR_CHECK_VERSION(conn->proxy, GIT_PROXY_OPTIONS_VERSION, "git_proxy_options"); - - t = remote->transport; - - if ((error = git_remote__urlfordirection(&url, remote, direction, callbacks)) < 0) - goto on_error; - - /* If we don't have a transport object yet, and the caller specified a - * custom transport factory, use that */ - if (!t && transport && - (error = transport(&t, remote, payload)) < 0) - goto on_error; - - /* If we still don't have a transport, then use the global - * transport registrations which map URI schemes to transport factories */ - if (!t && (error = git_transport_new(&t, remote, url.ptr)) < 0) - goto on_error; - - if ((error = set_transport_custom_headers(t, conn->custom_headers)) != 0) - goto on_error; - - if ((error = remote_transport_set_callbacks(t, callbacks)) < 0 || - (error = t->connect(t, url.ptr, credentials, payload, conn->proxy, direction, flags)) != 0) - goto on_error; - - remote->transport = t; - - git_buf_dispose(&url); - - return 0; - -on_error: - if (t) - t->free(t); - - git_buf_dispose(&url); - - if (t == remote->transport) - remote->transport = NULL; - - return error; -} - -int git_remote_connect(git_remote *remote, git_direction direction, const git_remote_callbacks *callbacks, const git_proxy_options *proxy, const git_strarray *custom_headers) -{ - git_remote_connection_opts conn; - - conn.proxy = proxy; - conn.custom_headers = custom_headers; - - return git_remote__connect(remote, direction, callbacks, &conn); -} - -int git_remote_ls(const git_remote_head ***out, size_t *size, git_remote *remote) -{ - GIT_ASSERT_ARG(remote); - - if (!remote->transport) { - git_error_set(GIT_ERROR_NET, "this remote has never connected"); - return -1; - } - - return remote->transport->ls(out, size, remote->transport); -} - -static int lookup_config(char **out, git_config *cfg, const char *name) -{ - git_config_entry *ce = NULL; - int error; - - if ((error = git_config__lookup_entry(&ce, cfg, name, false)) < 0) - return error; - - if (ce && ce->value) { - *out = git__strdup(ce->value); - GIT_ERROR_CHECK_ALLOC(*out); - } else { - error = GIT_ENOTFOUND; - } - - git_config_entry_free(ce); - return error; -} - -static void url_config_trim(git_net_url *url) -{ - size_t len = strlen(url->path); - - if (url->path[len - 1] == '/') { - len--; - } else { - while (len && url->path[len - 1] != '/') - len--; - } - - url->path[len] = '\0'; -} - -static int http_proxy_config(char **out, git_remote *remote, git_net_url *url) -{ - git_config *cfg = NULL; - git_buf buf = GIT_BUF_INIT; - git_net_url lookup_url = GIT_NET_URL_INIT; - int error; - - if ((error = git_net_url_dup(&lookup_url, url)) < 0) - goto done; - - if (remote->repo) { - if ((error = git_repository_config(&cfg, remote->repo)) < 0) - goto done; - } else { - if ((error = git_config_open_default(&cfg)) < 0) - goto done; - } - - /* remote.<name>.proxy config setting */ - if (remote->name && remote->name[0]) { - git_buf_clear(&buf); - - if ((error = git_buf_printf(&buf, "remote.%s.proxy", remote->name)) < 0 || - (error = lookup_config(out, cfg, buf.ptr)) != GIT_ENOTFOUND) - goto done; - } - - while (true) { - git_buf_clear(&buf); - - if ((error = git_buf_puts(&buf, "http.")) < 0 || - (error = git_net_url_fmt(&buf, &lookup_url)) < 0 || - (error = git_buf_puts(&buf, ".proxy")) < 0 || - (error = lookup_config(out, cfg, buf.ptr)) != GIT_ENOTFOUND) - goto done; - - if (! lookup_url.path[0]) - break; - - url_config_trim(&lookup_url); - } - - git_buf_clear(&buf); - - error = lookup_config(out, cfg, "http.proxy"); - -done: - git_config_free(cfg); - git_buf_dispose(&buf); - git_net_url_dispose(&lookup_url); - return error; -} - -static int http_proxy_env(char **out, git_remote *remote, git_net_url *url) -{ - git_buf proxy_env = GIT_BUF_INIT, no_proxy_env = GIT_BUF_INIT; - bool use_ssl = (strcmp(url->scheme, "https") == 0); - int error; - - GIT_UNUSED(remote); - - /* http_proxy / https_proxy environment variables */ - error = git__getenv(&proxy_env, use_ssl ? "https_proxy" : "http_proxy"); - - /* try uppercase environment variables */ - if (error == GIT_ENOTFOUND) - error = git__getenv(&proxy_env, use_ssl ? "HTTPS_PROXY" : "HTTP_PROXY"); - - if (error) - goto done; - - /* no_proxy/NO_PROXY environment variables */ - error = git__getenv(&no_proxy_env, "no_proxy"); - - if (error == GIT_ENOTFOUND) - error = git__getenv(&no_proxy_env, "NO_PROXY"); - - if (error && error != GIT_ENOTFOUND) - goto done; - - if (!git_net_url_matches_pattern_list(url, no_proxy_env.ptr)) - *out = git_buf_detach(&proxy_env); - else - error = GIT_ENOTFOUND; - -done: - git_buf_dispose(&proxy_env); - git_buf_dispose(&no_proxy_env); - return error; -} - -int git_remote__http_proxy(char **out, git_remote *remote, git_net_url *url) -{ - int error; - - GIT_ASSERT_ARG(out); - GIT_ASSERT_ARG(remote); - - *out = NULL; - - /* - * Go through the possible sources for proxy configuration, - * Examine the various git config options first, then - * consult environment variables. - */ - if ((error = http_proxy_config(out, remote, url)) != GIT_ENOTFOUND || - (error = http_proxy_env(out, remote, url)) != GIT_ENOTFOUND) - return error; - - return 0; -} - -/* DWIM `refspecs` based on `refs` and append the output to `out` */ -static int dwim_refspecs(git_vector *out, git_vector *refspecs, git_vector *refs) -{ - size_t i; - git_refspec *spec; - - git_vector_foreach(refspecs, i, spec) { - if (git_refspec__dwim_one(out, spec, refs) < 0) - return -1; - } - - return 0; -} - -static void free_refspecs(git_vector *vec) -{ - size_t i; - git_refspec *spec; - - git_vector_foreach(vec, i, spec) { - git_refspec__dispose(spec); - git__free(spec); - } - - git_vector_clear(vec); -} - -static int remote_head_cmp(const void *_a, const void *_b) -{ - const git_remote_head *a = (git_remote_head *) _a; - const git_remote_head *b = (git_remote_head *) _b; - - return git__strcmp_cb(a->name, b->name); -} - -static int ls_to_vector(git_vector *out, git_remote *remote) -{ - git_remote_head **heads; - size_t heads_len, i; - - if (git_remote_ls((const git_remote_head ***)&heads, &heads_len, remote) < 0) - return -1; - - if (git_vector_init(out, heads_len, remote_head_cmp) < 0) - return -1; - - for (i = 0; i < heads_len; i++) { - if (git_vector_insert(out, heads[i]) < 0) - return -1; - } - - return 0; -} - -int git_remote_download(git_remote *remote, const git_strarray *refspecs, const git_fetch_options *opts) -{ - int error = -1; - size_t i; - git_vector *to_active, specs = GIT_VECTOR_INIT, refs = GIT_VECTOR_INIT; - const git_remote_callbacks *cbs = NULL; - const git_strarray *custom_headers = NULL; - const git_proxy_options *proxy = NULL; - - GIT_ASSERT_ARG(remote); - - if (!remote->repo) { - git_error_set(GIT_ERROR_INVALID, "cannot download detached remote"); - return -1; - } - - if (opts) { - GIT_ERROR_CHECK_VERSION(&opts->callbacks, GIT_REMOTE_CALLBACKS_VERSION, "git_remote_callbacks"); - cbs = &opts->callbacks; - custom_headers = &opts->custom_headers; - GIT_ERROR_CHECK_VERSION(&opts->proxy_opts, GIT_PROXY_OPTIONS_VERSION, "git_proxy_options"); - proxy = &opts->proxy_opts; - } - - if (!git_remote_connected(remote) && - (error = git_remote_connect(remote, GIT_DIRECTION_FETCH, cbs, proxy, custom_headers)) < 0) - goto on_error; - - if (ls_to_vector(&refs, remote) < 0) - return -1; - - if ((git_vector_init(&specs, 0, NULL)) < 0) - goto on_error; - - remote->passed_refspecs = 0; - if (!refspecs || !refspecs->count) { - to_active = &remote->refspecs; - } else { - for (i = 0; i < refspecs->count; i++) { - if ((error = add_refspec_to(&specs, refspecs->strings[i], true)) < 0) - goto on_error; - } - - to_active = &specs; - remote->passed_refspecs = 1; - } - - free_refspecs(&remote->passive_refspecs); - if ((error = dwim_refspecs(&remote->passive_refspecs, &remote->refspecs, &refs)) < 0) - goto on_error; - - free_refspecs(&remote->active_refspecs); - error = dwim_refspecs(&remote->active_refspecs, to_active, &refs); - - git_vector_free(&refs); - free_refspecs(&specs); - git_vector_free(&specs); - - if (error < 0) - return error; - - if (remote->push) { - git_push_free(remote->push); - remote->push = NULL; - } - - if ((error = git_fetch_negotiate(remote, opts)) < 0) - return error; - - return git_fetch_download_pack(remote, cbs); - -on_error: - git_vector_free(&refs); - free_refspecs(&specs); - git_vector_free(&specs); - return error; -} - -int git_remote_fetch( - git_remote *remote, - const git_strarray *refspecs, - const git_fetch_options *opts, - const char *reflog_message) -{ - int error, update_fetchhead = 1; - git_remote_autotag_option_t tagopt = remote->download_tags; - bool prune = false; - git_buf reflog_msg_buf = GIT_BUF_INIT; - const git_remote_callbacks *cbs = NULL; - git_remote_connection_opts conn = GIT_REMOTE_CONNECTION_OPTIONS_INIT; - - if (opts) { - GIT_ERROR_CHECK_VERSION(&opts->callbacks, GIT_REMOTE_CALLBACKS_VERSION, "git_remote_callbacks"); - cbs = &opts->callbacks; - conn.custom_headers = &opts->custom_headers; - update_fetchhead = opts->update_fetchhead; - tagopt = opts->download_tags; - GIT_ERROR_CHECK_VERSION(&opts->proxy_opts, GIT_PROXY_OPTIONS_VERSION, "git_proxy_options"); - conn.proxy = &opts->proxy_opts; - } - - /* Connect and download everything */ - if ((error = git_remote__connect(remote, GIT_DIRECTION_FETCH, cbs, &conn)) != 0) - return error; - - error = git_remote_download(remote, refspecs, opts); - - /* We don't need to be connected anymore */ - git_remote_disconnect(remote); - - /* If the download failed, return the error */ - if (error != 0) - return error; - - /* Default reflog message */ - if (reflog_message) - git_buf_sets(&reflog_msg_buf, reflog_message); - else { - git_buf_printf(&reflog_msg_buf, "fetch %s", - remote->name ? remote->name : remote->url); - } - - /* Create "remote/foo" branches for all remote branches */ - error = git_remote_update_tips(remote, cbs, update_fetchhead, tagopt, git_buf_cstr(&reflog_msg_buf)); - git_buf_dispose(&reflog_msg_buf); - if (error < 0) - return error; - - if (opts && opts->prune == GIT_FETCH_PRUNE) - prune = true; - else if (opts && opts->prune == GIT_FETCH_PRUNE_UNSPECIFIED && remote->prune_refs) - prune = true; - else if (opts && opts->prune == GIT_FETCH_NO_PRUNE) - prune = false; - else - prune = remote->prune_refs; - - if (prune) - error = git_remote_prune(remote, cbs); - - return error; -} - -static int remote_head_for_fetchspec_src(git_remote_head **out, git_vector *update_heads, const char *fetchspec_src) -{ - unsigned int i; - git_remote_head *remote_ref; - - GIT_ASSERT_ARG(update_heads); - GIT_ASSERT_ARG(fetchspec_src); - - *out = NULL; - - git_vector_foreach(update_heads, i, remote_ref) { - if (strcmp(remote_ref->name, fetchspec_src) == 0) { - *out = remote_ref; - break; - } - } - - return 0; -} - -static int ref_to_update(int *update, git_buf *remote_name, git_remote *remote, git_refspec *spec, const char *ref_name) -{ - int error = 0; - git_repository *repo; - git_buf upstream_remote = GIT_BUF_INIT; - git_buf upstream_name = GIT_BUF_INIT; - - repo = git_remote_owner(remote); - - if ((!git_reference__is_branch(ref_name)) || - !git_remote_name(remote) || - (error = git_branch_upstream_remote(&upstream_remote, repo, ref_name) < 0) || - git__strcmp(git_remote_name(remote), git_buf_cstr(&upstream_remote)) || - (error = git_branch_upstream_name(&upstream_name, repo, ref_name)) < 0 || - !git_refspec_dst_matches(spec, git_buf_cstr(&upstream_name)) || - (error = git_refspec_rtransform(remote_name, spec, upstream_name.ptr)) < 0) { - /* Not an error if there is no upstream */ - if (error == GIT_ENOTFOUND) { - git_error_clear(); - error = 0; - } - - *update = 0; - } else { - *update = 1; - } - - git_buf_dispose(&upstream_remote); - git_buf_dispose(&upstream_name); - return error; -} - -static int remote_head_for_ref(git_remote_head **out, git_remote *remote, git_refspec *spec, git_vector *update_heads, git_reference *ref) -{ - git_reference *resolved_ref = NULL; - git_buf remote_name = GIT_BUF_INIT; - git_config *config = NULL; - const char *ref_name; - int error = 0, update; - - GIT_ASSERT_ARG(out); - GIT_ASSERT_ARG(spec); - GIT_ASSERT_ARG(ref); - - *out = NULL; - - error = git_reference_resolve(&resolved_ref, ref); - - /* If we're in an unborn branch, let's pretend nothing happened */ - if (error == GIT_ENOTFOUND && git_reference_type(ref) == GIT_REFERENCE_SYMBOLIC) { - ref_name = git_reference_symbolic_target(ref); - error = 0; - } else { - ref_name = git_reference_name(resolved_ref); - } - - /* - * The ref name may be unresolvable - perhaps it's pointing to - * something invalid. In this case, there is no remote head for - * this ref. - */ - if (!ref_name) { - error = 0; - goto cleanup; - } - - if ((error = ref_to_update(&update, &remote_name, remote, spec, ref_name)) < 0) - goto cleanup; - - if (update) - error = remote_head_for_fetchspec_src(out, update_heads, git_buf_cstr(&remote_name)); - -cleanup: - git_buf_dispose(&remote_name); - git_reference_free(resolved_ref); - git_config_free(config); - return error; -} - -static int git_remote_write_fetchhead(git_remote *remote, git_refspec *spec, git_vector *update_heads) -{ - git_reference *head_ref = NULL; - git_fetchhead_ref *fetchhead_ref; - git_remote_head *remote_ref, *merge_remote_ref; - git_vector fetchhead_refs; - bool include_all_fetchheads; - unsigned int i = 0; - int error = 0; - - GIT_ASSERT_ARG(remote); - - /* no heads, nothing to do */ - if (update_heads->length == 0) - return 0; - - if (git_vector_init(&fetchhead_refs, update_heads->length, git_fetchhead_ref_cmp) < 0) - return -1; - - /* Iff refspec is * (but not subdir slash star), include tags */ - include_all_fetchheads = (strcmp(GIT_REFS_HEADS_DIR "*", git_refspec_src(spec)) == 0); - - /* Determine what to merge: if refspec was a wildcard, just use HEAD */ - if (git_refspec_is_wildcard(spec)) { - if ((error = git_reference_lookup(&head_ref, remote->repo, GIT_HEAD_FILE)) < 0 || - (error = remote_head_for_ref(&merge_remote_ref, remote, spec, update_heads, head_ref)) < 0) - goto cleanup; - } else { - /* If we're fetching a single refspec, that's the only thing that should be in FETCH_HEAD. */ - if ((error = remote_head_for_fetchspec_src(&merge_remote_ref, update_heads, git_refspec_src(spec))) < 0) - goto cleanup; - } - - /* Create the FETCH_HEAD file */ - git_vector_foreach(update_heads, i, remote_ref) { - int merge_this_fetchhead = (merge_remote_ref == remote_ref); - - if (!include_all_fetchheads && - !git_refspec_src_matches(spec, remote_ref->name) && - !merge_this_fetchhead) - continue; - - if (git_fetchhead_ref_create(&fetchhead_ref, - &remote_ref->oid, - merge_this_fetchhead, - remote_ref->name, - git_remote_url(remote)) < 0) - goto cleanup; - - if (git_vector_insert(&fetchhead_refs, fetchhead_ref) < 0) - goto cleanup; - } - - git_fetchhead_write(remote->repo, &fetchhead_refs); - -cleanup: - for (i = 0; i < fetchhead_refs.length; ++i) - git_fetchhead_ref_free(fetchhead_refs.contents[i]); - - git_vector_free(&fetchhead_refs); - git_reference_free(head_ref); - - return error; -} - -/** - * Generate a list of candidates for pruning by getting a list of - * references which match the rhs of an active refspec. - */ -static int prune_candidates(git_vector *candidates, git_remote *remote) -{ - git_strarray arr = { 0 }; - size_t i; - int error; - - if ((error = git_reference_list(&arr, remote->repo)) < 0) - return error; - - for (i = 0; i < arr.count; i++) { - const char *refname = arr.strings[i]; - char *refname_dup; - - if (!git_remote__matching_dst_refspec(remote, refname)) - continue; - - refname_dup = git__strdup(refname); - GIT_ERROR_CHECK_ALLOC(refname_dup); - - if ((error = git_vector_insert(candidates, refname_dup)) < 0) - goto out; - } - -out: - git_strarray_dispose(&arr); - return error; -} - -static int find_head(const void *_a, const void *_b) -{ - git_remote_head *a = (git_remote_head *) _a; - git_remote_head *b = (git_remote_head *) _b; - - return strcmp(a->name, b->name); -} - -int git_remote_prune(git_remote *remote, const git_remote_callbacks *callbacks) -{ - size_t i, j; - git_vector remote_refs = GIT_VECTOR_INIT; - git_vector candidates = GIT_VECTOR_INIT; - const git_refspec *spec; - const char *refname; - int error; - git_oid zero_id = {{ 0 }}; - - if (callbacks) - GIT_ERROR_CHECK_VERSION(callbacks, GIT_REMOTE_CALLBACKS_VERSION, "git_remote_callbacks"); - - if ((error = ls_to_vector(&remote_refs, remote)) < 0) - goto cleanup; - - git_vector_set_cmp(&remote_refs, find_head); - - if ((error = prune_candidates(&candidates, remote)) < 0) - goto cleanup; - - /* - * Remove those entries from the candidate list for which we - * can find a remote reference in at least one refspec. - */ - git_vector_foreach(&candidates, i, refname) { - git_vector_foreach(&remote->active_refspecs, j, spec) { - git_buf buf = GIT_BUF_INIT; - size_t pos; - char *src_name; - git_remote_head key = {0}; - - if (!git_refspec_dst_matches(spec, refname)) - continue; - - if ((error = git_refspec_rtransform(&buf, spec, refname)) < 0) - goto cleanup; - - key.name = (char *) git_buf_cstr(&buf); - error = git_vector_bsearch(&pos, &remote_refs, &key); - git_buf_dispose(&buf); - - if (error < 0 && error != GIT_ENOTFOUND) - goto cleanup; - - if (error == GIT_ENOTFOUND) - continue; - - /* If we did find a source, remove it from the candidates. */ - if ((error = git_vector_set((void **) &src_name, &candidates, i, NULL)) < 0) - goto cleanup; - - git__free(src_name); - break; - } - } - - /* - * For those candidates still left in the list, we need to - * remove them. We do not remove symrefs, as those are for - * stuff like origin/HEAD which will never match, but we do - * not want to remove them. - */ - git_vector_foreach(&candidates, i, refname) { - git_reference *ref; - git_oid id; - - if (refname == NULL) - continue; - - error = git_reference_lookup(&ref, remote->repo, refname); - /* as we want it gone, let's not consider this an error */ - if (error == GIT_ENOTFOUND) - continue; - - if (error < 0) - goto cleanup; - - if (git_reference_type(ref) == GIT_REFERENCE_SYMBOLIC) { - git_reference_free(ref); - continue; - } - - git_oid_cpy(&id, git_reference_target(ref)); - error = git_reference_delete(ref); - git_reference_free(ref); - if (error < 0) - goto cleanup; - - if (callbacks && callbacks->update_tips) - error = callbacks->update_tips(refname, &id, &zero_id, callbacks->payload); - - if (error < 0) - goto cleanup; - } - -cleanup: - git_vector_free(&remote_refs); - git_vector_free_deep(&candidates); - return error; -} - -static int update_tips_for_spec( - git_remote *remote, - const git_remote_callbacks *callbacks, - int update_fetchhead, - git_remote_autotag_option_t tagopt, - git_refspec *spec, - git_vector *refs, - const char *log_message) -{ - int error = 0, autotag, valid; - unsigned int i = 0; - git_buf refname = GIT_BUF_INIT; - git_oid old; - git_odb *odb; - git_remote_head *head; - git_reference *ref; - git_refspec tagspec; - git_vector update_heads; - - GIT_ASSERT_ARG(remote); - - if (git_repository_odb__weakptr(&odb, remote->repo) < 0) - return -1; - - if (git_refspec__parse(&tagspec, GIT_REFSPEC_TAGS, true) < 0) - return -1; - - /* Make a copy of the transport's refs */ - if (git_vector_init(&update_heads, 16, NULL) < 0) - return -1; - - for (; i < refs->length; ++i) { - head = git_vector_get(refs, i); - autotag = 0; - git_buf_clear(&refname); - - /* Ignore malformed ref names (which also saves us from tag^{} */ - if (git_reference_name_is_valid(&valid, head->name) < 0) - goto on_error; - - if (!valid) - continue; - - /* If we have a tag, see if the auto-follow rules say to update it */ - if (git_refspec_src_matches(&tagspec, head->name)) { - if (tagopt != GIT_REMOTE_DOWNLOAD_TAGS_NONE) { - - if (tagopt == GIT_REMOTE_DOWNLOAD_TAGS_AUTO) - autotag = 1; - - git_buf_clear(&refname); - if (git_buf_puts(&refname, head->name) < 0) - goto on_error; - } - } - - /* If we didn't want to auto-follow the tag, check if the refspec matches */ - if (!autotag && git_refspec_src_matches(spec, head->name)) { - if (spec->dst) { - if (git_refspec_transform(&refname, spec, head->name) < 0) - goto on_error; - } else { - /* - * no rhs mans store it in FETCH_HEAD, even if we don't - update anything else. - */ - if ((error = git_vector_insert(&update_heads, head)) < 0) - goto on_error; - - continue; - } - } - - /* If we still don't have a refname, we don't want it */ - if (git_buf_len(&refname) == 0) { - continue; - } - - /* In autotag mode, only create tags for objects already in db */ - if (autotag && !git_odb_exists(odb, &head->oid)) - continue; - - if (!autotag && git_vector_insert(&update_heads, head) < 0) - goto on_error; - - error = git_reference_name_to_id(&old, remote->repo, refname.ptr); - if (error < 0 && error != GIT_ENOTFOUND) - goto on_error; - - if (!(error || error == GIT_ENOTFOUND) - && !spec->force - && !git_graph_descendant_of(remote->repo, &head->oid, &old)) - continue; - - if (error == GIT_ENOTFOUND) { - memset(&old, 0, GIT_OID_RAWSZ); - - if (autotag && git_vector_insert(&update_heads, head) < 0) - goto on_error; - } - - if (!git_oid__cmp(&old, &head->oid)) - continue; - - /* In autotag mode, don't overwrite any locally-existing tags */ - error = git_reference_create(&ref, remote->repo, refname.ptr, &head->oid, !autotag, - log_message); - - if (error == GIT_EEXISTS) - continue; - - if (error < 0) - goto on_error; - - git_reference_free(ref); - - if (callbacks && callbacks->update_tips != NULL) { - if (callbacks->update_tips(refname.ptr, &old, &head->oid, callbacks->payload) < 0) - goto on_error; - } - } - - if (update_fetchhead && - (error = git_remote_write_fetchhead(remote, spec, &update_heads)) < 0) - goto on_error; - - git_vector_free(&update_heads); - git_refspec__dispose(&tagspec); - git_buf_dispose(&refname); - return 0; - -on_error: - git_vector_free(&update_heads); - git_refspec__dispose(&tagspec); - git_buf_dispose(&refname); - return -1; - -} - -/** - * Iteration over the three vectors, with a pause whenever we find a match - * - * On each stop, we store the iteration stat in the inout i,j,k - * parameters, and return the currently matching passive refspec as - * well as the head which we matched. - */ -static int next_head(const git_remote *remote, git_vector *refs, - git_refspec **out_spec, git_remote_head **out_head, - size_t *out_i, size_t *out_j, size_t *out_k) -{ - const git_vector *active, *passive; - git_remote_head *head; - git_refspec *spec, *passive_spec; - size_t i, j, k; - int valid; - - active = &remote->active_refspecs; - passive = &remote->passive_refspecs; - - i = *out_i; - j = *out_j; - k = *out_k; - - for (; i < refs->length; i++) { - head = git_vector_get(refs, i); - - if (git_reference_name_is_valid(&valid, head->name) < 0) - return -1; - - if (!valid) - continue; - - for (; j < active->length; j++) { - spec = git_vector_get(active, j); - - if (!git_refspec_src_matches(spec, head->name)) - continue; - - for (; k < passive->length; k++) { - passive_spec = git_vector_get(passive, k); - - if (!git_refspec_src_matches(passive_spec, head->name)) - continue; - - *out_spec = passive_spec; - *out_head = head; - *out_i = i; - *out_j = j; - *out_k = k + 1; - return 0; - - } - k = 0; - } - j = 0; - } - - return GIT_ITEROVER; -} - -static int opportunistic_updates(const git_remote *remote, const git_remote_callbacks *callbacks, - git_vector *refs, const char *msg) -{ - size_t i, j, k; - git_refspec *spec; - git_remote_head *head; - git_reference *ref; - git_buf refname = GIT_BUF_INIT; - int error = 0; - - i = j = k = 0; - - while ((error = next_head(remote, refs, &spec, &head, &i, &j, &k)) == 0) { - git_oid old = {{ 0 }}; - /* - * If we got here, there is a refspec which was used - * for fetching which matches the source of one of the - * passive refspecs, so we should update that - * remote-tracking branch, but not add it to - * FETCH_HEAD - */ - - git_buf_clear(&refname); - if ((error = git_refspec_transform(&refname, spec, head->name)) < 0) - goto cleanup; - - error = git_reference_name_to_id(&old, remote->repo, refname.ptr); - if (error < 0 && error != GIT_ENOTFOUND) - goto cleanup; - - if (!git_oid_cmp(&old, &head->oid)) - continue; - - /* If we did find a current reference, make sure we haven't lost a race */ - if (error) - error = git_reference_create(&ref, remote->repo, refname.ptr, &head->oid, true, msg); - else - error = git_reference_create_matching(&ref, remote->repo, refname.ptr, &head->oid, true, &old, msg); - git_reference_free(ref); - if (error < 0) - goto cleanup; - - if (callbacks && callbacks->update_tips != NULL) { - if (callbacks->update_tips(refname.ptr, &old, &head->oid, callbacks->payload) < 0) - goto cleanup; - } - } - - if (error == GIT_ITEROVER) - error = 0; - -cleanup: - git_buf_dispose(&refname); - return error; -} - -static int truncate_fetch_head(const char *gitdir) -{ - git_buf path = GIT_BUF_INIT; - int error; - - if ((error = git_buf_joinpath(&path, gitdir, GIT_FETCH_HEAD_FILE)) < 0) - return error; - - error = git_futils_truncate(path.ptr, GIT_REFS_FILE_MODE); - git_buf_dispose(&path); - - return error; -} - -int git_remote_update_tips( - git_remote *remote, - const git_remote_callbacks *callbacks, - int update_fetchhead, - git_remote_autotag_option_t download_tags, - const char *reflog_message) -{ - git_refspec *spec, tagspec; - git_vector refs = GIT_VECTOR_INIT; - git_remote_autotag_option_t tagopt; - int error; - size_t i; - - /* push has its own logic hidden away in the push object */ - if (remote->push) { - return git_push_update_tips(remote->push, callbacks); - } - - if (git_refspec__parse(&tagspec, GIT_REFSPEC_TAGS, true) < 0) - return -1; - - - if ((error = ls_to_vector(&refs, remote)) < 0) - goto out; - - if (download_tags == GIT_REMOTE_DOWNLOAD_TAGS_UNSPECIFIED) - tagopt = remote->download_tags; - else - tagopt = download_tags; - - if ((error = truncate_fetch_head(git_repository_path(remote->repo))) < 0) - goto out; - - if (tagopt == GIT_REMOTE_DOWNLOAD_TAGS_ALL) { - if ((error = update_tips_for_spec(remote, callbacks, update_fetchhead, tagopt, &tagspec, &refs, reflog_message)) < 0) - goto out; - } - - git_vector_foreach(&remote->active_refspecs, i, spec) { - if (spec->push) - continue; - - if ((error = update_tips_for_spec(remote, callbacks, update_fetchhead, tagopt, spec, &refs, reflog_message)) < 0) - goto out; - } - - /* Only try to do opportunistic updates if the refpec lists differ. */ - if (remote->passed_refspecs) - error = opportunistic_updates(remote, callbacks, &refs, reflog_message); - -out: - git_vector_free(&refs); - git_refspec__dispose(&tagspec); - return error; -} - -int git_remote_connected(const git_remote *remote) -{ - GIT_ASSERT_ARG(remote); - - if (!remote->transport || !remote->transport->is_connected) - return 0; - - /* Ask the transport if it's connected. */ - return remote->transport->is_connected(remote->transport); -} - -int git_remote_stop(git_remote *remote) -{ - GIT_ASSERT_ARG(remote); - - if (remote->transport && remote->transport->cancel) - remote->transport->cancel(remote->transport); - - return 0; -} - -int git_remote_disconnect(git_remote *remote) -{ - GIT_ASSERT_ARG(remote); - - if (git_remote_connected(remote)) - remote->transport->close(remote->transport); - - return 0; -} - -void git_remote_free(git_remote *remote) -{ - if (remote == NULL) - return; - - if (remote->transport != NULL) { - git_remote_disconnect(remote); - - remote->transport->free(remote->transport); - remote->transport = NULL; - } - - git_vector_free(&remote->refs); - - free_refspecs(&remote->refspecs); - git_vector_free(&remote->refspecs); - - free_refspecs(&remote->active_refspecs); - git_vector_free(&remote->active_refspecs); - - free_refspecs(&remote->passive_refspecs); - git_vector_free(&remote->passive_refspecs); - - git_push_free(remote->push); - git__free(remote->url); - git__free(remote->pushurl); - git__free(remote->name); - git__free(remote); -} - -static int remote_list_cb(const git_config_entry *entry, void *payload) -{ - git_vector *list = payload; - const char *name = entry->name + strlen("remote."); - size_t namelen = strlen(name); - char *remote_name; - - /* we know name matches "remote.<stuff>.(push)?url" */ - - if (!strcmp(&name[namelen - 4], ".url")) - remote_name = git__strndup(name, namelen - 4); /* strip ".url" */ - else - remote_name = git__strndup(name, namelen - 8); /* strip ".pushurl" */ - GIT_ERROR_CHECK_ALLOC(remote_name); - - return git_vector_insert(list, remote_name); -} - -int git_remote_list(git_strarray *remotes_list, git_repository *repo) -{ - int error; - git_config *cfg; - git_vector list = GIT_VECTOR_INIT; - - if ((error = git_repository_config__weakptr(&cfg, repo)) < 0) - return error; - - if ((error = git_vector_init(&list, 4, git__strcmp_cb)) < 0) - return error; - - error = git_config_foreach_match( - cfg, "^remote\\..*\\.(push)?url$", remote_list_cb, &list); - - if (error < 0) { - git_vector_free_deep(&list); - return error; - } - - git_vector_uniq(&list, git__free); - - remotes_list->strings = - (char **)git_vector_detach(&remotes_list->count, NULL, &list); - - return 0; -} - -const git_indexer_progress *git_remote_stats(git_remote *remote) -{ - GIT_ASSERT_ARG_WITH_RETVAL(remote, NULL); - return &remote->stats; -} - -git_remote_autotag_option_t git_remote_autotag(const git_remote *remote) -{ - return remote->download_tags; -} - -int git_remote_set_autotag(git_repository *repo, const char *remote, git_remote_autotag_option_t value) -{ - git_buf var = GIT_BUF_INIT; - git_config *config; - int error; - - GIT_ASSERT_ARG(repo && remote); - - if ((error = ensure_remote_name_is_valid(remote)) < 0) - return error; - - if ((error = git_repository_config__weakptr(&config, repo)) < 0) - return error; - - if ((error = git_buf_printf(&var, CONFIG_TAGOPT_FMT, remote))) - return error; - - switch (value) { - case GIT_REMOTE_DOWNLOAD_TAGS_NONE: - error = git_config_set_string(config, var.ptr, "--no-tags"); - break; - case GIT_REMOTE_DOWNLOAD_TAGS_ALL: - error = git_config_set_string(config, var.ptr, "--tags"); - break; - case GIT_REMOTE_DOWNLOAD_TAGS_AUTO: - error = git_config_delete_entry(config, var.ptr); - if (error == GIT_ENOTFOUND) - error = 0; - break; - default: - git_error_set(GIT_ERROR_INVALID, "invalid value for the tagopt setting"); - error = -1; - } - - git_buf_dispose(&var); - return error; -} - -int git_remote_prune_refs(const git_remote *remote) -{ - return remote->prune_refs; -} - -static int rename_remote_config_section( - git_repository *repo, - const char *old_name, - const char *new_name) -{ - git_buf old_section_name = GIT_BUF_INIT, - new_section_name = GIT_BUF_INIT; - int error = -1; - - if (git_buf_printf(&old_section_name, "remote.%s", old_name) < 0) - goto cleanup; - - if (new_name && - (git_buf_printf(&new_section_name, "remote.%s", new_name) < 0)) - goto cleanup; - - error = git_config_rename_section( - repo, - git_buf_cstr(&old_section_name), - new_name ? git_buf_cstr(&new_section_name) : NULL); - -cleanup: - git_buf_dispose(&old_section_name); - git_buf_dispose(&new_section_name); - - return error; -} - -struct update_data { - git_config *config; - const char *old_remote_name; - const char *new_remote_name; -}; - -static int update_config_entries_cb( - const git_config_entry *entry, - void *payload) -{ - struct update_data *data = (struct update_data *)payload; - - if (strcmp(entry->value, data->old_remote_name)) - return 0; - - return git_config_set_string( - data->config, entry->name, data->new_remote_name); -} - -static int update_branch_remote_config_entry( - git_repository *repo, - const char *old_name, - const char *new_name) -{ - int error; - struct update_data data = { NULL }; - - if ((error = git_repository_config__weakptr(&data.config, repo)) < 0) - return error; - - data.old_remote_name = old_name; - data.new_remote_name = new_name; - - return git_config_foreach_match( - data.config, "branch\\..+\\.remote", update_config_entries_cb, &data); -} - -static int rename_one_remote_reference( - git_reference *reference_in, - const char *old_remote_name, - const char *new_remote_name) -{ - int error; - git_reference *ref = NULL, *dummy = NULL; - git_buf namespace = GIT_BUF_INIT, old_namespace = GIT_BUF_INIT; - git_buf new_name = GIT_BUF_INIT; - git_buf log_message = GIT_BUF_INIT; - size_t pfx_len; - const char *target; - - if ((error = git_buf_printf(&namespace, GIT_REFS_REMOTES_DIR "%s/", new_remote_name)) < 0) - return error; - - pfx_len = strlen(GIT_REFS_REMOTES_DIR) + strlen(old_remote_name) + 1; - git_buf_puts(&new_name, namespace.ptr); - if ((error = git_buf_puts(&new_name, git_reference_name(reference_in) + pfx_len)) < 0) - goto cleanup; - - if ((error = git_buf_printf(&log_message, - "renamed remote %s to %s", - old_remote_name, new_remote_name)) < 0) - goto cleanup; - - if ((error = git_reference_rename(&ref, reference_in, git_buf_cstr(&new_name), 1, - git_buf_cstr(&log_message))) < 0) - goto cleanup; - - if (git_reference_type(ref) != GIT_REFERENCE_SYMBOLIC) - goto cleanup; - - /* Handle refs like origin/HEAD -> origin/master */ - target = git_reference_symbolic_target(ref); - if ((error = git_buf_printf(&old_namespace, GIT_REFS_REMOTES_DIR "%s/", old_remote_name)) < 0) - goto cleanup; - - if (git__prefixcmp(target, old_namespace.ptr)) - goto cleanup; - - git_buf_clear(&new_name); - git_buf_puts(&new_name, namespace.ptr); - if ((error = git_buf_puts(&new_name, target + pfx_len)) < 0) - goto cleanup; - - error = git_reference_symbolic_set_target(&dummy, ref, git_buf_cstr(&new_name), - git_buf_cstr(&log_message)); - - git_reference_free(dummy); - -cleanup: - git_reference_free(reference_in); - git_reference_free(ref); - git_buf_dispose(&namespace); - git_buf_dispose(&old_namespace); - git_buf_dispose(&new_name); - git_buf_dispose(&log_message); - return error; -} - -static int rename_remote_references( - git_repository *repo, - const char *old_name, - const char *new_name) -{ - int error; - git_buf buf = GIT_BUF_INIT; - git_reference *ref; - git_reference_iterator *iter; - - if ((error = git_buf_printf(&buf, GIT_REFS_REMOTES_DIR "%s/*", old_name)) < 0) - return error; - - error = git_reference_iterator_glob_new(&iter, repo, git_buf_cstr(&buf)); - git_buf_dispose(&buf); - - if (error < 0) - return error; - - while ((error = git_reference_next(&ref, iter)) == 0) { - if ((error = rename_one_remote_reference(ref, old_name, new_name)) < 0) - break; - } - - git_reference_iterator_free(iter); - - return (error == GIT_ITEROVER) ? 0 : error; -} - -static int rename_fetch_refspecs(git_vector *problems, git_remote *remote, const char *new_name) -{ - git_config *config; - git_buf base = GIT_BUF_INIT, var = GIT_BUF_INIT, val = GIT_BUF_INIT; - const git_refspec *spec; - size_t i; - int error = 0; - - if ((error = git_repository_config__weakptr(&config, remote->repo)) < 0) - return error; - - if ((error = git_vector_init(problems, 1, NULL)) < 0) - return error; - - if ((error = default_fetchspec_for_name(&base, remote->name)) < 0) - return error; - - git_vector_foreach(&remote->refspecs, i, spec) { - if (spec->push) - continue; - - /* Does the dst part of the refspec follow the expected format? */ - if (strcmp(git_buf_cstr(&base), spec->string)) { - char *dup; - - dup = git__strdup(spec->string); - GIT_ERROR_CHECK_ALLOC(dup); - - if ((error = git_vector_insert(problems, dup)) < 0) - break; - - continue; - } - - /* If we do want to move it to the new section */ - - git_buf_clear(&val); - git_buf_clear(&var); - - if (default_fetchspec_for_name(&val, new_name) < 0 || - git_buf_printf(&var, "remote.%s.fetch", new_name) < 0) - { - error = -1; - break; - } - - if ((error = git_config_set_string( - config, git_buf_cstr(&var), git_buf_cstr(&val))) < 0) - break; - } - - git_buf_dispose(&base); - git_buf_dispose(&var); - git_buf_dispose(&val); - - if (error < 0) { - char *str; - git_vector_foreach(problems, i, str) - git__free(str); - - git_vector_free(problems); - } - - return error; -} - -int git_remote_rename(git_strarray *out, git_repository *repo, const char *name, const char *new_name) -{ - int error; - git_vector problem_refspecs = GIT_VECTOR_INIT; - git_remote *remote = NULL; - - GIT_ASSERT_ARG(out && repo && name && new_name); - - if ((error = git_remote_lookup(&remote, repo, name)) < 0) - return error; - - if ((error = ensure_remote_name_is_valid(new_name)) < 0) - goto cleanup; - - if ((error = ensure_remote_doesnot_exist(repo, new_name)) < 0) - goto cleanup; - - if ((error = rename_remote_config_section(repo, name, new_name)) < 0) - goto cleanup; - - if ((error = update_branch_remote_config_entry(repo, name, new_name)) < 0) - goto cleanup; - - if ((error = rename_remote_references(repo, name, new_name)) < 0) - goto cleanup; - - if ((error = rename_fetch_refspecs(&problem_refspecs, remote, new_name)) < 0) - goto cleanup; - - out->count = problem_refspecs.length; - out->strings = (char **) problem_refspecs.contents; - -cleanup: - if (error < 0) - git_vector_free(&problem_refspecs); - - git_remote_free(remote); - return error; -} - -int git_remote_name_is_valid(int *valid, const char *remote_name) -{ - git_buf buf = GIT_BUF_INIT; - git_refspec refspec = {0}; - int error; - - GIT_ASSERT(valid); - - *valid = 0; - - if (!remote_name || *remote_name == '\0') - return 0; - - if ((error = git_buf_printf(&buf, "refs/heads/test:refs/remotes/%s/test", remote_name)) < 0) - goto done; - - error = git_refspec__parse(&refspec, git_buf_cstr(&buf), true); - - if (!error) - *valid = 1; - else if (error == GIT_EINVALIDSPEC) - error = 0; - -done: - git_buf_dispose(&buf); - git_refspec__dispose(&refspec); - - return error; -} - -git_refspec *git_remote__matching_refspec(git_remote *remote, const char *refname) -{ - git_refspec *spec; - size_t i; - - git_vector_foreach(&remote->active_refspecs, i, spec) { - if (spec->push) - continue; - - if (git_refspec_src_matches(spec, refname)) - return spec; - } - - return NULL; -} - -git_refspec *git_remote__matching_dst_refspec(git_remote *remote, const char *refname) -{ - git_refspec *spec; - size_t i; - - git_vector_foreach(&remote->active_refspecs, i, spec) { - if (spec->push) - continue; - - if (git_refspec_dst_matches(spec, refname)) - return spec; - } - - return NULL; -} - -int git_remote_add_fetch(git_repository *repo, const char *remote, const char *refspec) -{ - return write_add_refspec(repo, remote, refspec, true); -} - -int git_remote_add_push(git_repository *repo, const char *remote, const char *refspec) -{ - return write_add_refspec(repo, remote, refspec, false); -} - -static int copy_refspecs(git_strarray *array, const git_remote *remote, unsigned int push) -{ - size_t i; - git_vector refspecs; - git_refspec *spec; - char *dup; - - if (git_vector_init(&refspecs, remote->refspecs.length, NULL) < 0) - return -1; - - git_vector_foreach(&remote->refspecs, i, spec) { - if (spec->push != push) - continue; - - if ((dup = git__strdup(spec->string)) == NULL) - goto on_error; - - if (git_vector_insert(&refspecs, dup) < 0) { - git__free(dup); - goto on_error; - } - } - - array->strings = (char **)refspecs.contents; - array->count = refspecs.length; - - return 0; - -on_error: - git_vector_free_deep(&refspecs); - - return -1; -} - -int git_remote_get_fetch_refspecs(git_strarray *array, const git_remote *remote) -{ - return copy_refspecs(array, remote, false); -} - -int git_remote_get_push_refspecs(git_strarray *array, const git_remote *remote) -{ - return copy_refspecs(array, remote, true); -} - -size_t git_remote_refspec_count(const git_remote *remote) -{ - return remote->refspecs.length; -} - -const git_refspec *git_remote_get_refspec(const git_remote *remote, size_t n) -{ - return git_vector_get(&remote->refspecs, n); -} - -int git_remote_init_callbacks(git_remote_callbacks *opts, unsigned int version) -{ - GIT_INIT_STRUCTURE_FROM_TEMPLATE( - opts, version, git_remote_callbacks, GIT_REMOTE_CALLBACKS_INIT); - return 0; -} - -/* asserts a branch.<foo>.remote format */ -static const char *name_offset(size_t *len_out, const char *name) -{ - size_t prefix_len; - const char *dot; - - prefix_len = strlen("remote."); - dot = strchr(name + prefix_len, '.'); - - GIT_ASSERT_ARG_WITH_RETVAL(dot, NULL); - - *len_out = dot - name - prefix_len; - return name + prefix_len; -} - -static int remove_branch_config_related_entries( - git_repository *repo, - const char *remote_name) -{ - int error; - git_config *config; - git_config_entry *entry; - git_config_iterator *iter; - git_buf buf = GIT_BUF_INIT; - - if ((error = git_repository_config__weakptr(&config, repo)) < 0) - return error; - - if ((error = git_config_iterator_glob_new(&iter, config, "branch\\..+\\.remote")) < 0) - return error; - - /* find any branches with us as upstream and remove that config */ - while ((error = git_config_next(&entry, iter)) == 0) { - const char *branch; - size_t branch_len; - - if (strcmp(remote_name, entry->value)) - continue; - - if ((branch = name_offset(&branch_len, entry->name)) == NULL) { - error = -1; - break; - } - - git_buf_clear(&buf); - if ((error = git_buf_printf(&buf, "branch.%.*s.merge", (int)branch_len, branch)) < 0) - break; - - if ((error = git_config_delete_entry(config, git_buf_cstr(&buf))) < 0) { - if (error != GIT_ENOTFOUND) - break; - git_error_clear(); - } - - git_buf_clear(&buf); - if ((error = git_buf_printf(&buf, "branch.%.*s.remote", (int)branch_len, branch)) < 0) - break; - - if ((error = git_config_delete_entry(config, git_buf_cstr(&buf))) < 0) { - if (error != GIT_ENOTFOUND) - break; - git_error_clear(); - } - } - - if (error == GIT_ITEROVER) - error = 0; - - git_buf_dispose(&buf); - git_config_iterator_free(iter); - return error; -} - -static int remove_refs(git_repository *repo, const git_refspec *spec) -{ - git_reference_iterator *iter = NULL; - git_vector refs; - const char *name; - char *dup; - int error; - size_t i; - - if ((error = git_vector_init(&refs, 8, NULL)) < 0) - return error; - - if ((error = git_reference_iterator_new(&iter, repo)) < 0) - goto cleanup; - - while ((error = git_reference_next_name(&name, iter)) == 0) { - if (!git_refspec_dst_matches(spec, name)) - continue; - - dup = git__strdup(name); - if (!dup) { - error = -1; - goto cleanup; - } - - if ((error = git_vector_insert(&refs, dup)) < 0) - goto cleanup; - } - if (error == GIT_ITEROVER) - error = 0; - if (error < 0) - goto cleanup; - - git_vector_foreach(&refs, i, name) { - if ((error = git_reference_remove(repo, name)) < 0) - break; - } - -cleanup: - git_reference_iterator_free(iter); - git_vector_foreach(&refs, i, dup) { - git__free(dup); - } - git_vector_free(&refs); - return error; -} - -static int remove_remote_tracking(git_repository *repo, const char *remote_name) -{ - git_remote *remote; - int error; - size_t i, count; - - /* we want to use what's on the config, regardless of changes to the instance in memory */ - if ((error = git_remote_lookup(&remote, repo, remote_name)) < 0) - return error; - - count = git_remote_refspec_count(remote); - for (i = 0; i < count; i++) { - const git_refspec *refspec = git_remote_get_refspec(remote, i); - - /* shouldn't ever actually happen */ - if (refspec == NULL) - continue; - - if ((error = remove_refs(repo, refspec)) < 0) - break; - } - - git_remote_free(remote); - return error; -} - -int git_remote_delete(git_repository *repo, const char *name) -{ - int error; - - GIT_ASSERT_ARG(repo); - GIT_ASSERT_ARG(name); - - if ((error = remove_branch_config_related_entries(repo, name)) < 0 || - (error = remove_remote_tracking(repo, name)) < 0 || - (error = rename_remote_config_section(repo, name, NULL)) < 0) - return error; - - return 0; -} - -int git_remote_default_branch(git_buf *out, git_remote *remote) -{ - const git_remote_head **heads; - const git_remote_head *guess = NULL; - const git_oid *head_id; - size_t heads_len, i; - git_buf local_default = GIT_BUF_INIT; - int error; - - GIT_ASSERT_ARG(out); - - if ((error = git_remote_ls(&heads, &heads_len, remote)) < 0) - goto done; - - if (heads_len == 0 || strcmp(heads[0]->name, GIT_HEAD_FILE)) { - error = GIT_ENOTFOUND; - goto done; - } - - if ((error = git_buf_sanitize(out)) < 0) - return error; - - /* the first one must be HEAD so if that has the symref info, we're done */ - if (heads[0]->symref_target) { - error = git_buf_puts(out, heads[0]->symref_target); - goto done; - } - - /* - * If there's no symref information, we have to look over them - * and guess. We return the first match unless the default - * branch is a candidate. Then we return the default branch. - */ - - if ((error = git_repository_initialbranch(&local_default, remote->repo)) < 0) - goto done; - - head_id = &heads[0]->oid; - - for (i = 1; i < heads_len; i++) { - if (git_oid_cmp(head_id, &heads[i]->oid)) - continue; - - if (git__prefixcmp(heads[i]->name, GIT_REFS_HEADS_DIR)) - continue; - - if (!guess) { - guess = heads[i]; - continue; - } - - if (!git__strcmp(local_default.ptr, heads[i]->name)) { - guess = heads[i]; - break; - } - } - - if (!guess) { - error = GIT_ENOTFOUND; - goto done; - } - - error = git_buf_puts(out, guess->name); - -done: - git_buf_dispose(&local_default); - return error; -} - -int git_remote_upload(git_remote *remote, const git_strarray *refspecs, const git_push_options *opts) -{ - size_t i; - int error; - git_push *push; - git_refspec *spec; - const git_remote_callbacks *cbs = NULL; - git_remote_connection_opts conn = GIT_REMOTE_CONNECTION_OPTIONS_INIT; - - GIT_ASSERT_ARG(remote); - - if (!remote->repo) { - git_error_set(GIT_ERROR_INVALID, "cannot download detached remote"); - return -1; - } - - if (opts) { - cbs = &opts->callbacks; - conn.custom_headers = &opts->custom_headers; - conn.proxy = &opts->proxy_opts; - } - - if (!git_remote_connected(remote) && - (error = git_remote__connect(remote, GIT_DIRECTION_PUSH, cbs, &conn)) < 0) - goto cleanup; - - free_refspecs(&remote->active_refspecs); - if ((error = dwim_refspecs(&remote->active_refspecs, &remote->refspecs, &remote->refs)) < 0) - goto cleanup; - - if (remote->push) { - git_push_free(remote->push); - remote->push = NULL; - } - - if ((error = git_push_new(&remote->push, remote)) < 0) - return error; - - push = remote->push; - - if (opts && (error = git_push_set_options(push, opts)) < 0) - goto cleanup; - - if (refspecs && refspecs->count > 0) { - for (i = 0; i < refspecs->count; i++) { - if ((error = git_push_add_refspec(push, refspecs->strings[i])) < 0) - goto cleanup; - } - } else { - git_vector_foreach(&remote->refspecs, i, spec) { - if (!spec->push) - continue; - if ((error = git_push_add_refspec(push, spec->string)) < 0) - goto cleanup; - } - } - - if ((error = git_push_finish(push, cbs)) < 0) - goto cleanup; - - if (cbs && cbs->push_update_reference && - (error = git_push_status_foreach(push, cbs->push_update_reference, cbs->payload)) < 0) - goto cleanup; - -cleanup: - return error; -} - -int git_remote_push(git_remote *remote, const git_strarray *refspecs, const git_push_options *opts) -{ - int error; - const git_remote_callbacks *cbs = NULL; - const git_strarray *custom_headers = NULL; - const git_proxy_options *proxy = NULL; - - GIT_ASSERT_ARG(remote); - - if (!remote->repo) { - git_error_set(GIT_ERROR_INVALID, "cannot download detached remote"); - return -1; - } - - if (opts) { - GIT_ERROR_CHECK_VERSION(&opts->callbacks, GIT_REMOTE_CALLBACKS_VERSION, "git_remote_callbacks"); - cbs = &opts->callbacks; - custom_headers = &opts->custom_headers; - GIT_ERROR_CHECK_VERSION(&opts->proxy_opts, GIT_PROXY_OPTIONS_VERSION, "git_proxy_options"); - proxy = &opts->proxy_opts; - } - - if ((error = git_remote_connect(remote, GIT_DIRECTION_PUSH, cbs, proxy, custom_headers)) < 0) - return error; - - if ((error = git_remote_upload(remote, refspecs, opts)) < 0) - return error; - - error = git_remote_update_tips(remote, cbs, 0, 0, NULL); - - git_remote_disconnect(remote); - return error; -} - -#define PREFIX "url" -#define SUFFIX_FETCH "insteadof" -#define SUFFIX_PUSH "pushinsteadof" - -char *apply_insteadof(git_config *config, const char *url, int direction) -{ - size_t match_length, prefix_length, suffix_length; - char *replacement = NULL; - const char *regexp; - - git_buf result = GIT_BUF_INIT; - git_config_entry *entry; - git_config_iterator *iter; - - GIT_ASSERT_ARG_WITH_RETVAL(config, NULL); - GIT_ASSERT_ARG_WITH_RETVAL(url, NULL); - GIT_ASSERT_ARG_WITH_RETVAL(direction == GIT_DIRECTION_FETCH || direction == GIT_DIRECTION_PUSH, NULL); - - /* Add 1 to prefix/suffix length due to the additional escaped dot */ - prefix_length = strlen(PREFIX) + 1; - if (direction == GIT_DIRECTION_FETCH) { - regexp = PREFIX "\\..*\\." SUFFIX_FETCH; - suffix_length = strlen(SUFFIX_FETCH) + 1; - } else { - regexp = PREFIX "\\..*\\." SUFFIX_PUSH; - suffix_length = strlen(SUFFIX_PUSH) + 1; - } - - if (git_config_iterator_glob_new(&iter, config, regexp) < 0) - return NULL; - - match_length = 0; - while (git_config_next(&entry, iter) == 0) { - size_t n, replacement_length; - - /* Check if entry value is a prefix of URL */ - if (git__prefixcmp(url, entry->value)) - continue; - /* Check if entry value is longer than previous - * prefixes */ - if ((n = strlen(entry->value)) <= match_length) - continue; - - git__free(replacement); - match_length = n; - - /* Cut off prefix and suffix of the value */ - replacement_length = - strlen(entry->name) - (prefix_length + suffix_length); - replacement = git__strndup(entry->name + prefix_length, - replacement_length); - } - - git_config_iterator_free(iter); - - if (match_length == 0) - return git__strdup(url); - - git_buf_printf(&result, "%s%s", replacement, url + match_length); - - git__free(replacement); - - return result.ptr; -} - -/* Deprecated functions */ - -#ifndef GIT_DEPRECATE_HARD - -int git_remote_is_valid_name(const char *remote_name) -{ - int valid = 0; - - git_remote_name_is_valid(&valid, remote_name); - return valid; -} - -#endif |