diff options
Diffstat (limited to 'branch.c')
| -rw-r--r-- | branch.c | 220 |
1 files changed, 131 insertions, 89 deletions
@@ -1,8 +1,10 @@ +#include "git-compat-util.h" #include "cache.h" #include "branch.h" #include "refs.h" #include "remote.h" #include "commit.h" +#include "worktree.h" struct tracking { struct refspec spec; @@ -47,60 +49,81 @@ static int should_setup_rebase(const char *origin) return 0; } -void install_branch_config(int flag, const char *local, const char *origin, const char *remote) +static const char tracking_advice[] = +N_("\n" +"After fixing the error cause you may try to fix up\n" +"the remote tracking information by invoking\n" +"\"git branch --set-upstream-to=%s%s%s\"."); + +int install_branch_config(int flag, const char *local, const char *origin, const char *remote) { - const char *shortname = remote + 11; - int remote_is_branch = starts_with(remote, "refs/heads/"); + const char *shortname = NULL; struct strbuf key = STRBUF_INIT; int rebasing = should_setup_rebase(origin); - if (remote_is_branch + if (skip_prefix(remote, "refs/heads/", &shortname) && !strcmp(local, shortname) && !origin) { warning(_("Not setting branch %s as its own upstream."), local); - return; + return 0; } strbuf_addf(&key, "branch.%s.remote", local); - git_config_set(key.buf, origin ? origin : "."); + if (git_config_set_gently(key.buf, origin ? origin : ".") < 0) + goto out_err; strbuf_reset(&key); strbuf_addf(&key, "branch.%s.merge", local); - git_config_set(key.buf, remote); + if (git_config_set_gently(key.buf, remote) < 0) + goto out_err; if (rebasing) { strbuf_reset(&key); strbuf_addf(&key, "branch.%s.rebase", local); - git_config_set(key.buf, "true"); + if (git_config_set_gently(key.buf, "true") < 0) + goto out_err; } strbuf_release(&key); if (flag & BRANCH_CONFIG_VERBOSE) { - if (remote_is_branch && origin) - printf_ln(rebasing ? - _("Branch %s set up to track remote branch %s from %s by rebasing.") : - _("Branch %s set up to track remote branch %s from %s."), - local, shortname, origin); - else if (remote_is_branch && !origin) - printf_ln(rebasing ? - _("Branch %s set up to track local branch %s by rebasing.") : - _("Branch %s set up to track local branch %s."), - local, shortname); - else if (!remote_is_branch && origin) - printf_ln(rebasing ? - _("Branch %s set up to track remote ref %s by rebasing.") : - _("Branch %s set up to track remote ref %s."), - local, remote); - else if (!remote_is_branch && !origin) - printf_ln(rebasing ? - _("Branch %s set up to track local ref %s by rebasing.") : - _("Branch %s set up to track local ref %s."), - local, remote); - else - die("BUG: impossible combination of %d and %p", - remote_is_branch, origin); + if (shortname) { + if (origin) + printf_ln(rebasing ? + _("Branch %s set up to track remote branch %s from %s by rebasing.") : + _("Branch %s set up to track remote branch %s from %s."), + local, shortname, origin); + else + printf_ln(rebasing ? + _("Branch %s set up to track local branch %s by rebasing.") : + _("Branch %s set up to track local branch %s."), + local, shortname); + } else { + if (origin) + printf_ln(rebasing ? + _("Branch %s set up to track remote ref %s by rebasing.") : + _("Branch %s set up to track remote ref %s."), + local, remote); + else + printf_ln(rebasing ? + _("Branch %s set up to track local ref %s by rebasing.") : + _("Branch %s set up to track local ref %s."), + local, remote); + } } + + return 0; + +out_err: + strbuf_release(&key); + error(_("Unable to write upstream branch configuration")); + + advise(_(tracking_advice), + origin ? origin : "", + origin ? "/" : "", + shortname ? shortname : remote); + + return -1; } /* @@ -108,20 +131,16 @@ void install_branch_config(int flag, const char *local, const char *origin, cons * to infer the settings for branch.<new_ref>.{remote,merge} from the * config. */ -static int setup_tracking(const char *new_ref, const char *orig_ref, - enum branch_track track, int quiet) +static void setup_tracking(const char *new_ref, const char *orig_ref, + enum branch_track track, int quiet) { struct tracking tracking; int config_flags = quiet ? 0 : BRANCH_CONFIG_VERBOSE; - if (strlen(new_ref) > 1024 - 7 - 7 - 1) - return error(_("Tracking not set up: name too long: %s"), - new_ref); - memset(&tracking, 0, sizeof(tracking)); tracking.spec.dst = (char *)orig_ref; if (for_each_remote(find_tracked_branch, &tracking)) - return 1; + return; if (!tracking.matches) switch (track) { @@ -130,47 +149,31 @@ static int setup_tracking(const char *new_ref, const char *orig_ref, case BRANCH_TRACK_OVERRIDE: break; default: - return 1; + return; } if (tracking.matches > 1) - return error(_("Not tracking: ambiguous information for ref %s"), - orig_ref); + die(_("Not tracking: ambiguous information for ref %s"), + orig_ref); - install_branch_config(config_flags, new_ref, tracking.remote, - tracking.src ? tracking.src : orig_ref); + if (install_branch_config(config_flags, new_ref, tracking.remote, + tracking.src ? tracking.src : orig_ref) < 0) + exit(-1); free(tracking.src); - return 0; -} - -struct branch_desc_cb { - const char *config_name; - const char *value; -}; - -static int read_branch_desc_cb(const char *var, const char *value, void *cb) -{ - struct branch_desc_cb *desc = cb; - if (strcmp(desc->config_name, var)) - return 0; - free((char *)desc->value); - return git_config_string(&desc->value, var, value); } int read_branch_desc(struct strbuf *buf, const char *branch_name) { - struct branch_desc_cb cb; + char *v = NULL; struct strbuf name = STRBUF_INIT; strbuf_addf(&name, "branch.%s.description", branch_name); - cb.config_name = name.buf; - cb.value = NULL; - if (git_config(read_branch_desc_cb, &cb) < 0) { + if (git_config_get_string(name.buf, &v)) { strbuf_release(&name); return -1; } - if (cb.value) - strbuf_addstr(buf, cb.value); + strbuf_addstr(buf, v); + free(v); strbuf_release(&name); return 0; } @@ -190,7 +193,7 @@ int validate_new_branchname(const char *name, struct strbuf *ref, const char *head; unsigned char sha1[20]; - head = resolve_ref_unsafe("HEAD", sha1, 0, NULL); + head = resolve_ref_unsafe("HEAD", 0, sha1, NULL); if (!is_bare_repository() && head && !strcmp(head, ref->buf)) die(_("Cannot force update the current branch.")); } @@ -225,12 +228,10 @@ N_("\n" "will track its remote counterpart, you may want to use\n" "\"git push -u\" to set the upstream config as you push."); -void create_branch(const char *head, - const char *name, const char *start_name, +void create_branch(const char *name, const char *start_name, int force, int reflog, int clobber_head, int quiet, enum branch_track track) { - struct ref_lock *lock = NULL; struct commit *commit; unsigned char sha1[20]; char *real_ref, msg[PATH_MAX + 20]; @@ -287,16 +288,7 @@ void create_branch(const char *head, if ((commit = lookup_commit_reference(sha1)) == NULL) die(_("Not a valid branch point: '%s'."), start_name); - hashcpy(sha1, commit->object.sha1); - - if (!dont_change_ref) { - lock = lock_any_ref_for_update(ref.buf, NULL, 0, NULL); - if (!lock) - die_errno(_("Failed to lock ref for update")); - } - - if (reflog) - log_all_ref_updates = 1; + hashcpy(sha1, commit->object.oid.hash); if (forcing) snprintf(msg, sizeof msg, "branch: Reset to %s", @@ -305,24 +297,74 @@ void create_branch(const char *head, snprintf(msg, sizeof msg, "branch: Created from %s", start_name); + if (reflog) + log_all_ref_updates = LOG_REFS_NORMAL; + + if (!dont_change_ref) { + struct ref_transaction *transaction; + struct strbuf err = STRBUF_INIT; + + transaction = ref_transaction_begin(&err); + if (!transaction || + ref_transaction_update(transaction, ref.buf, + sha1, forcing ? NULL : null_sha1, + 0, msg, &err) || + ref_transaction_commit(transaction, &err)) + die("%s", err.buf); + ref_transaction_free(transaction); + strbuf_release(&err); + } + if (real_ref && track) setup_tracking(ref.buf + 11, real_ref, track, quiet); - if (!dont_change_ref) - if (write_ref_sha1(lock, sha1, msg) < 0) - die_errno(_("Failed to write ref")); - strbuf_release(&ref); free(real_ref); } void remove_branch_state(void) { - unlink(git_path("CHERRY_PICK_HEAD")); - unlink(git_path("REVERT_HEAD")); - unlink(git_path("MERGE_HEAD")); - unlink(git_path("MERGE_RR")); - unlink(git_path("MERGE_MSG")); - unlink(git_path("MERGE_MODE")); - unlink(git_path("SQUASH_MSG")); + unlink(git_path_cherry_pick_head()); + unlink(git_path_revert_head()); + unlink(git_path_merge_head()); + unlink(git_path_merge_rr()); + unlink(git_path_merge_msg()); + unlink(git_path_merge_mode()); + unlink(git_path_squash_msg()); +} + +void die_if_checked_out(const char *branch, int ignore_current_worktree) +{ + const struct worktree *wt; + + wt = find_shared_symref("HEAD", branch); + if (!wt || (ignore_current_worktree && wt->is_current)) + return; + skip_prefix(branch, "refs/heads/", &branch); + die(_("'%s' is already checked out at '%s'"), + branch, wt->path); +} + +int replace_each_worktree_head_symref(const char *oldref, const char *newref) +{ + int ret = 0; + struct worktree **worktrees = get_worktrees(0); + int i; + + for (i = 0; worktrees[i]; i++) { + if (worktrees[i]->is_detached) + continue; + if (strcmp(oldref, worktrees[i]->head_ref)) + continue; + + if (set_worktree_head_symref(get_worktree_git_dir(worktrees[i]), + newref)) { + ret = -1; + error(_("HEAD of working tree %s is not updated"), + worktrees[i]->path); + } + } + + free_worktrees(worktrees); + return ret; } |