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-rw-r--r--src/refspec.c425
1 files changed, 0 insertions, 425 deletions
diff --git a/src/refspec.c b/src/refspec.c
deleted file mode 100644
index c72721a43..000000000
--- a/src/refspec.c
+++ /dev/null
@@ -1,425 +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 "refspec.h"
-
-#include "git2/errors.h"
-
-#include "refs.h"
-#include "util.h"
-#include "vector.h"
-#include "wildmatch.h"
-
-int git_refspec__parse(git_refspec *refspec, const char *input, bool is_fetch)
-{
- /* Ported from https://github.com/git/git/blob/f06d47e7e0d9db709ee204ed13a8a7486149f494/remote.c#L518-636 */
-
- size_t llen;
- int is_glob = 0;
- const char *lhs, *rhs;
- int valid = 0;
- unsigned int flags;
-
- GIT_ASSERT_ARG(refspec);
- GIT_ASSERT_ARG(input);
-
- memset(refspec, 0x0, sizeof(git_refspec));
- refspec->push = !is_fetch;
-
- lhs = input;
- if (*lhs == '+') {
- refspec->force = 1;
- lhs++;
- }
-
- rhs = strrchr(lhs, ':');
-
- /*
- * Before going on, special case ":" (or "+:") as a refspec
- * for matching refs.
- */
- if (!is_fetch && rhs == lhs && rhs[1] == '\0') {
- refspec->matching = 1;
- refspec->string = git__strdup(input);
- GIT_ERROR_CHECK_ALLOC(refspec->string);
- refspec->src = git__strdup("");
- GIT_ERROR_CHECK_ALLOC(refspec->src);
- refspec->dst = git__strdup("");
- GIT_ERROR_CHECK_ALLOC(refspec->dst);
- return 0;
- }
-
- if (rhs) {
- size_t rlen = strlen(++rhs);
- if (rlen || !is_fetch) {
- is_glob = (1 <= rlen && strchr(rhs, '*'));
- refspec->dst = git__strndup(rhs, rlen);
- }
- }
-
- llen = (rhs ? (size_t)(rhs - lhs - 1) : strlen(lhs));
- if (1 <= llen && memchr(lhs, '*', llen)) {
- if ((rhs && !is_glob) || (!rhs && is_fetch))
- goto invalid;
- is_glob = 1;
- } else if (rhs && is_glob)
- goto invalid;
-
- refspec->pattern = is_glob;
- refspec->src = git__strndup(lhs, llen);
- flags = GIT_REFERENCE_FORMAT_ALLOW_ONELEVEL |
- GIT_REFERENCE_FORMAT_REFSPEC_SHORTHAND |
- (is_glob ? GIT_REFERENCE_FORMAT_REFSPEC_PATTERN : 0);
-
- if (is_fetch) {
- /*
- * LHS
- * - empty is allowed; it means HEAD.
- * - otherwise it must be a valid looking ref.
- */
- if (!*refspec->src)
- ; /* empty is ok */
- else if (git_reference__name_is_valid(&valid, refspec->src, flags) < 0)
- goto on_error;
- else if (!valid)
- goto invalid;
-
- /*
- * RHS
- * - missing is ok, and is same as empty.
- * - empty is ok; it means not to store.
- * - otherwise it must be a valid looking ref.
- */
- if (!refspec->dst)
- ; /* ok */
- else if (!*refspec->dst)
- ; /* ok */
- else if (git_reference__name_is_valid(&valid, refspec->dst, flags) < 0)
- goto on_error;
- else if (!valid)
- goto invalid;
- } else {
- /*
- * LHS
- * - empty is allowed; it means delete.
- * - when wildcarded, it must be a valid looking ref.
- * - otherwise, it must be an extended SHA-1, but
- * there is no existing way to validate this.
- */
- if (!*refspec->src)
- ; /* empty is ok */
- else if (is_glob) {
- if (git_reference__name_is_valid(&valid, refspec->src, flags) < 0)
- goto on_error;
- else if (!valid)
- goto invalid;
- }
- else {
- ; /* anything goes, for now */
- }
-
- /*
- * RHS
- * - missing is allowed, but LHS then must be a
- * valid looking ref.
- * - empty is not allowed.
- * - otherwise it must be a valid looking ref.
- */
- if (!refspec->dst) {
- if (git_reference__name_is_valid(&valid, refspec->src, flags) < 0)
- goto on_error;
- else if (!valid)
- goto invalid;
- } else if (!*refspec->dst) {
- goto invalid;
- } else {
- if (git_reference__name_is_valid(&valid, refspec->dst, flags) < 0)
- goto on_error;
- else if (!valid)
- goto invalid;
- }
-
- /* if the RHS is empty, then it's a copy of the LHS */
- if (!refspec->dst) {
- refspec->dst = git__strdup(refspec->src);
- GIT_ERROR_CHECK_ALLOC(refspec->dst);
- }
- }
-
- refspec->string = git__strdup(input);
- GIT_ERROR_CHECK_ALLOC(refspec->string);
-
- return 0;
-
-invalid:
- git_error_set(GIT_ERROR_INVALID,
- "'%s' is not a valid refspec.", input);
- git_refspec__dispose(refspec);
- return GIT_EINVALIDSPEC;
-
-on_error:
- git_refspec__dispose(refspec);
- return -1;
-}
-
-void git_refspec__dispose(git_refspec *refspec)
-{
- if (refspec == NULL)
- return;
-
- git__free(refspec->src);
- git__free(refspec->dst);
- git__free(refspec->string);
-
- memset(refspec, 0x0, sizeof(git_refspec));
-}
-
-int git_refspec_parse(git_refspec **out_refspec, const char *input, int is_fetch)
-{
- git_refspec *refspec;
- GIT_ASSERT_ARG(out_refspec);
- GIT_ASSERT_ARG(input);
-
- *out_refspec = NULL;
-
- refspec = git__malloc(sizeof(git_refspec));
- GIT_ERROR_CHECK_ALLOC(refspec);
-
- if (git_refspec__parse(refspec, input, !!is_fetch) != 0) {
- git__free(refspec);
- return -1;
- }
-
- *out_refspec = refspec;
- return 0;
-}
-
-void git_refspec_free(git_refspec *refspec)
-{
- git_refspec__dispose(refspec);
- git__free(refspec);
-}
-
-const char *git_refspec_src(const git_refspec *refspec)
-{
- return refspec == NULL ? NULL : refspec->src;
-}
-
-const char *git_refspec_dst(const git_refspec *refspec)
-{
- return refspec == NULL ? NULL : refspec->dst;
-}
-
-const char *git_refspec_string(const git_refspec *refspec)
-{
- return refspec == NULL ? NULL : refspec->string;
-}
-
-int git_refspec_force(const git_refspec *refspec)
-{
- GIT_ASSERT_ARG(refspec);
-
- return refspec->force;
-}
-
-int git_refspec_src_matches(const git_refspec *refspec, const char *refname)
-{
- if (refspec == NULL || refspec->src == NULL)
- return false;
-
- return (wildmatch(refspec->src, refname, 0) == 0);
-}
-
-int git_refspec_dst_matches(const git_refspec *refspec, const char *refname)
-{
- if (refspec == NULL || refspec->dst == NULL)
- return false;
-
- return (wildmatch(refspec->dst, refname, 0) == 0);
-}
-
-static int refspec_transform(
- git_buf *out, const char *from, const char *to, const char *name)
-{
- const char *from_star, *to_star;
- size_t replacement_len, star_offset;
- int error;
-
- if ((error = git_buf_sanitize(out)) < 0)
- return error;
-
- git_buf_clear(out);
-
- /*
- * There are two parts to each side of a refspec, the bit
- * before the star and the bit after it. The star can be in
- * the middle of the pattern, so we need to look at each bit
- * individually.
- */
- from_star = strchr(from, '*');
- to_star = strchr(to, '*');
-
- GIT_ASSERT(from_star && to_star);
-
- /* star offset, both in 'from' and in 'name' */
- star_offset = from_star - from;
-
- /* the first half is copied over */
- git_buf_put(out, to, to_star - to);
-
- /*
- * Copy over the name, but exclude the trailing part in "from" starting
- * after the glob
- */
- replacement_len = strlen(name + star_offset) - strlen(from_star + 1);
- git_buf_put(out, name + star_offset, replacement_len);
-
- return git_buf_puts(out, to_star + 1);
-}
-
-int git_refspec_transform(git_buf *out, const git_refspec *spec, const char *name)
-{
- int error;
-
- GIT_ASSERT_ARG(out);
- GIT_ASSERT_ARG(spec);
- GIT_ASSERT_ARG(name);
-
- if ((error = git_buf_sanitize(out)) < 0)
- return error;
-
- if (!git_refspec_src_matches(spec, name)) {
- git_error_set(GIT_ERROR_INVALID, "ref '%s' doesn't match the source", name);
- return -1;
- }
-
- if (!spec->pattern)
- return git_buf_puts(out, spec->dst ? spec->dst : "");
-
- return refspec_transform(out, spec->src, spec->dst, name);
-}
-
-int git_refspec_rtransform(git_buf *out, const git_refspec *spec, const char *name)
-{
- int error;
-
- GIT_ASSERT_ARG(out);
- GIT_ASSERT_ARG(spec);
- GIT_ASSERT_ARG(name);
-
- if ((error = git_buf_sanitize(out)) < 0)
- return error;
-
- if (!git_refspec_dst_matches(spec, name)) {
- git_error_set(GIT_ERROR_INVALID, "ref '%s' doesn't match the destination", name);
- return -1;
- }
-
- if (!spec->pattern)
- return git_buf_puts(out, spec->src);
-
- return refspec_transform(out, spec->dst, spec->src, name);
-}
-
-int git_refspec__serialize(git_buf *out, const git_refspec *refspec)
-{
- if (refspec->force)
- git_buf_putc(out, '+');
-
- git_buf_printf(out, "%s:%s",
- refspec->src != NULL ? refspec->src : "",
- refspec->dst != NULL ? refspec->dst : "");
-
- return git_buf_oom(out) == false;
-}
-
-int git_refspec_is_wildcard(const git_refspec *spec)
-{
- GIT_ASSERT_ARG(spec);
- GIT_ASSERT_ARG(spec->src);
-
- return (spec->src[strlen(spec->src) - 1] == '*');
-}
-
-git_direction git_refspec_direction(const git_refspec *spec)
-{
- GIT_ASSERT_ARG(spec);
-
- return spec->push;
-}
-
-int git_refspec__dwim_one(git_vector *out, git_refspec *spec, git_vector *refs)
-{
- git_buf buf = GIT_BUF_INIT;
- size_t j, pos;
- git_remote_head key;
- git_refspec *cur;
-
- const char *formatters[] = {
- GIT_REFS_DIR "%s",
- GIT_REFS_TAGS_DIR "%s",
- GIT_REFS_HEADS_DIR "%s",
- NULL
- };
-
- GIT_ASSERT_ARG(out);
- GIT_ASSERT_ARG(spec);
- GIT_ASSERT_ARG(refs);
-
- cur = git__calloc(1, sizeof(git_refspec));
- GIT_ERROR_CHECK_ALLOC(cur);
-
- cur->force = spec->force;
- cur->push = spec->push;
- cur->pattern = spec->pattern;
- cur->matching = spec->matching;
- cur->string = git__strdup(spec->string);
-
- /* shorthand on the lhs */
- if (git__prefixcmp(spec->src, GIT_REFS_DIR)) {
- for (j = 0; formatters[j]; j++) {
- git_buf_clear(&buf);
- git_buf_printf(&buf, formatters[j], spec->src);
- GIT_ERROR_CHECK_ALLOC_BUF(&buf);
-
- key.name = (char *) git_buf_cstr(&buf);
- if (!git_vector_search(&pos, refs, &key)) {
- /* we found something to match the shorthand, set src to that */
- cur->src = git_buf_detach(&buf);
- }
- }
- }
-
- /* No shorthands found, copy over the name */
- if (cur->src == NULL && spec->src != NULL) {
- cur->src = git__strdup(spec->src);
- GIT_ERROR_CHECK_ALLOC(cur->src);
- }
-
- if (spec->dst && git__prefixcmp(spec->dst, GIT_REFS_DIR)) {
- /* if it starts with "remotes" then we just prepend "refs/" */
- if (!git__prefixcmp(spec->dst, "remotes/")) {
- git_buf_puts(&buf, GIT_REFS_DIR);
- } else {
- git_buf_puts(&buf, GIT_REFS_HEADS_DIR);
- }
-
- git_buf_puts(&buf, spec->dst);
- GIT_ERROR_CHECK_ALLOC_BUF(&buf);
-
- cur->dst = git_buf_detach(&buf);
- }
-
- git_buf_dispose(&buf);
-
- if (cur->dst == NULL && spec->dst != NULL) {
- cur->dst = git__strdup(spec->dst);
- GIT_ERROR_CHECK_ALLOC(cur->dst);
- }
-
- return git_vector_insert(out, cur);
-}