diff options
Diffstat (limited to 'branch.c')
| -rw-r--r-- | branch.c | 31 |
1 files changed, 21 insertions, 10 deletions
@@ -108,6 +108,7 @@ static int setup_tracking(const char *new_ref, const char *orig_ref, switch (track) { case BRANCH_TRACK_ALWAYS: case BRANCH_TRACK_EXPLICIT: + case BRANCH_TRACK_OVERRIDE: break; default: return 1; @@ -128,18 +129,25 @@ void create_branch(const char *head, const char *name, const char *start_name, int force, int reflog, enum branch_track track) { - struct ref_lock *lock; + struct ref_lock *lock = NULL; struct commit *commit; unsigned char sha1[20]; char *real_ref, msg[PATH_MAX + 20]; struct strbuf ref = STRBUF_INIT; int forcing = 0; + int dont_change_ref = 0; + int explicit_tracking = 0; + + 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) + if (!force && track == BRANCH_TRACK_OVERRIDE) + dont_change_ref = 1; + else if (!force) die("A branch named '%s' already exists.", name); else if (!is_bare_repository() && !strcmp(head, name)) die("Cannot force update the current branch."); @@ -153,12 +161,12 @@ void create_branch(const char *head, switch (dwim_ref(start_name, strlen(start_name), sha1, &real_ref)) { case 0: /* Not branching from any existing branch */ - if (track == BRANCH_TRACK_EXPLICIT) + if (explicit_tracking) die("Cannot setup tracking information; starting point is not a branch."); break; case 1: /* Unique completion -- good, only if it is a real ref */ - if (track == BRANCH_TRACK_EXPLICIT && !strcmp(real_ref, "HEAD")) + if (explicit_tracking && !strcmp(real_ref, "HEAD")) die("Cannot setup tracking information; starting point is not a branch."); break; default: @@ -170,9 +178,11 @@ void create_branch(const char *head, die("Not a valid branch point: '%s'.", start_name); hashcpy(sha1, commit->object.sha1); - lock = lock_any_ref_for_update(ref.buf, NULL, 0); - if (!lock) - die_errno("Failed to lock ref for update"); + if (!dont_change_ref) { + lock = lock_any_ref_for_update(ref.buf, NULL, 0); + if (!lock) + die_errno("Failed to lock ref for update"); + } if (reflog) log_all_ref_updates = 1; @@ -180,15 +190,16 @@ void create_branch(const char *head, if (forcing) snprintf(msg, sizeof msg, "branch: Reset from %s", start_name); - else + else if (!dont_change_ref) snprintf(msg, sizeof msg, "branch: Created from %s", start_name); if (real_ref && track) setup_tracking(name, real_ref, track); - if (write_ref_sha1(lock, sha1, msg) < 0) - die_errno("Failed to write ref"); + if (!dont_change_ref) + if (write_ref_sha1(lock, sha1, msg) < 0) + die_errno("Failed to write ref"); strbuf_release(&ref); free(real_ref); |