summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorPatrick Steinhardt <ps@pks.im>2015-10-27 14:17:52 +0100
committerPatrick Steinhardt <ps@pks.im>2017-02-13 11:06:52 +0100
commit384518d09dc16b8a7dae22069e0c612e4b65c5e8 (patch)
treed7ca75438b77086f902a4f60abb0d578666984a3 /src
parent143e539fd0e9b83c6a3a369d5baf508ccb51697b (diff)
downloadlibgit2-384518d09dc16b8a7dae22069e0c612e4b65c5e8.tar.gz
repository: restrict checking out checked out branches
If a branch is already checked out in a working tree we are not allowed to check out that branch in another repository. Introduce this restriction when setting a repository's HEAD.
Diffstat (limited to 'src')
-rw-r--r--src/repository.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/repository.c b/src/repository.c
index 445005e96..8753636cb 100644
--- a/src/repository.c
+++ b/src/repository.c
@@ -2529,6 +2529,12 @@ int git_repository_set_head(
if (error < 0 && error != GIT_ENOTFOUND)
goto cleanup;
+ if (ref && current->type == GIT_REF_SYMBOLIC && git__strcmp(current->target.symbolic, ref->name) &&
+ git_reference_is_branch(ref) && git_branch_is_checked_out(ref)) {
+ error = -1;
+ goto cleanup;
+ }
+
if (!error) {
if (git_reference_is_branch(ref)) {
error = git_reference_symbolic_create(&new_head, repo, GIT_HEAD_FILE,