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remote: refactor the reference-update decision

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This is an ugly chunk of code, so let's put it into its own function.
This commit is contained in:
Carlos Martín Nieto 2014-11-08 20:40:02 +01:00
parent 64fdd86d0e
commit 2c9b9c8bb4
1 changed files with 36 additions and 26 deletions
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62
src/remote.c
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@ -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;
}