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authorCarlos Martín Nieto <cmn@dwim.me>2014-11-08 20:40:02 +0100
committerCarlos Martín Nieto <cmn@dwim.me>2014-11-08 21:02:19 +0100
commit2c9b9c8bb4ffe083ddea7044cdfd07d6985756d6 (patch)
tree9e01118fab06c4d7c266e03ad240f3e4e3f9e61a
parent64fdd86d0e820479b414628051cf8e16c643dc8d (diff)
downloadlibgit2-2c9b9c8bb4ffe083ddea7044cdfd07d6985756d6.tar.gz
remote: refactor the reference-update decisioncmn/fetchhead-refactor
This is an ugly chunk of code, so let's put it into its own function.
-rw-r--r--src/remote.c62
1 files changed, 36 insertions, 26 deletions
diff --git a/src/remote.c b/src/remote.c
index ce3530156..83e65f9ef 100644
--- a/src/remote.c
+++ b/src/remote.c
@@ -930,24 +930,50 @@ static int remote_head_for_fetchspec_src(git_remote_head **out, git_vector *upda
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) {
+ giterr_clear();
+ error = 0;
+ }
+
+ *update = 0;
+ } else {
+ *update = 1;
+ }
+
+ git_buf_free(&upstream_remote);
+ git_buf_free(&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_buf upstream_name = GIT_BUF_INIT;
- git_buf config_key = GIT_BUF_INIT;
- git_buf upstream_remote = GIT_BUF_INIT;
- git_repository *repo;
git_config *config = NULL;
const char *ref_name;
- int error = 0;
+ int error = 0, update;
assert(out && spec && ref);
*out = NULL;
- repo = git_reference_owner(ref);
-
error = git_reference_resolve(&resolved_ref, ref);
/* If we're in an unborn branch, let's pretend nothing happened */
@@ -958,30 +984,14 @@ static int remote_head_for_ref(git_remote_head **out, git_remote *remote, git_re
ref_name = git_reference_name(resolved_ref);
}
- if ((!git_reference__is_branch(ref_name)) ||
- !git_remote_name(remote) ||
- (error = git_branch_upstream_remote(&upstream_remote, repo, ref_name)) ||
- 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) {
- giterr_clear();
- error = 0;
- }
-
+ if ((error = ref_to_update(&update, &remote_name, remote, spec, ref_name)) < 0)
goto cleanup;
- }
- error = remote_head_for_fetchspec_src(out, update_heads, git_buf_cstr(&remote_name));
+ if (update)
+ error = remote_head_for_fetchspec_src(out, update_heads, git_buf_cstr(&remote_name));
cleanup:
git_reference_free(resolved_ref);
- git_buf_free(&upstream_remote);
- git_buf_free(&remote_name);
- git_buf_free(&upstream_name);
- git_buf_free(&config_key);
git_config_free(config);
return error;
}