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Do not allow git_branch_create() to force update branch

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This commit is contained in:
Linquize 2014-02-27 23:56:25 +08:00
parent 40e10630cf
commit 59b1dbcd7a
1 changed files with 13 additions and 0 deletions
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13
src/branch.c
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@ -58,6 +58,7 @@ int git_branch_create(
const git_signature *signature, const git_signature *signature,
const char *log_message) const char *log_message)
{ {
int is_head = 0;
git_reference *branch = NULL; git_reference *branch = NULL;
git_buf canonical_branch_name = GIT_BUF_INIT, git_buf canonical_branch_name = GIT_BUF_INIT,
log_message_buf = GIT_BUF_INIT; log_message_buf = GIT_BUF_INIT;
@ -65,6 +66,18 @@ int git_branch_create(
assert(branch_name && commit && ref_out); assert(branch_name && commit && ref_out);
assert(git_object_owner((const git_object *)commit) == repository); assert(git_object_owner((const git_object *)commit) == repository);
if (git_branch_lookup(&branch, repository, branch_name, GIT_BRANCH_LOCAL) == 0) {
if ((is_head = git_branch_is_head(branch)) < 0) {
error = is_head;
goto cleanup;
}
}
if (is_head && force) {
giterr_set(GITERR_REFERENCE, "Cannot force update branch '%s' as it is "
"the current HEAD of the repository.", git_reference_name(branch));
goto cleanup;
}
if (git_buf_joinpath(&canonical_branch_name, GIT_REFS_HEADS_DIR, branch_name) < 0) if (git_buf_joinpath(&canonical_branch_name, GIT_REFS_HEADS_DIR, branch_name) < 0)
goto cleanup; goto cleanup;