diff options
Diffstat (limited to 'branch.c')
| -rw-r--r-- | branch.c | 39 |
1 files changed, 29 insertions, 10 deletions
@@ -3,6 +3,7 @@ #include "refs.h" #include "remote.h" #include "commit.h" +#include "sequencer.h" struct tracking { struct refspec spec; @@ -135,6 +136,28 @@ static int setup_tracking(const char *new_ref, const char *orig_ref, return 0; } +int validate_new_branchname(const char *name, struct strbuf *ref, + int force, int attr_only) +{ + if (strbuf_check_branch_ref(ref, name)) + die("'%s' is not a valid branch name.", name); + + if (!ref_exists(ref->buf)) + return 0; + else if (!force && !attr_only) + die("A branch named '%s' already exists.", ref->buf + strlen("refs/heads/")); + + if (!attr_only) { + const char *head; + unsigned char sha1[20]; + + head = resolve_ref("HEAD", sha1, 0, NULL); + if (!is_bare_repository() && head && !strcmp(head, ref->buf)) + die("Cannot force update the current branch."); + } + return 1; +} + void create_branch(const char *head, const char *name, const char *start_name, int force, int reflog, enum branch_track track) @@ -151,17 +174,12 @@ void create_branch(const char *head, if (track == BRANCH_TRACK_EXPLICIT || track == BRANCH_TRACK_OVERRIDE) explicit_tracking = 1; - if (strbuf_check_branch_ref(&ref, name)) - die("'%s' is not a valid branch name.", name); - - if (resolve_ref(ref.buf, sha1, 1, NULL)) { - if (!force && track == BRANCH_TRACK_OVERRIDE) + if (validate_new_branchname(name, &ref, force, + track == BRANCH_TRACK_OVERRIDE)) { + if (!force) dont_change_ref = 1; - else if (!force) - die("A branch named '%s' already exists.", name); - else if (!is_bare_repository() && head && !strcmp(head, name)) - die("Cannot force update the current branch."); - forcing = 1; + else + forcing = 1; } real_ref = NULL; @@ -228,4 +246,5 @@ void remove_branch_state(void) unlink(git_path("MERGE_MSG")); unlink(git_path("MERGE_MODE")); unlink(git_path("SQUASH_MSG")); + remove_sequencer_state(0); } |