diff options
Diffstat (limited to 'branch.c')
-rw-r--r-- | branch.c | 116 |
1 files changed, 67 insertions, 49 deletions
@@ -1,5 +1,6 @@ #include "git-compat-util.h" #include "cache.h" +#include "config.h" #include "branch.h" #include "refs.h" #include "remote.h" @@ -24,8 +25,7 @@ static int find_tracked_branch(struct remote *remote, void *priv) } else { free(tracking->spec.src); if (tracking->src) { - free(tracking->src); - tracking->src = NULL; + FREE_AND_NULL(tracking->src); } } tracking->spec.src = NULL; @@ -90,24 +90,24 @@ int install_branch_config(int flag, const char *local, const char *origin, const 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."), + _("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."), + _("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."), + _("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."), + _("Branch '%s' set up to track local ref '%s' by rebasing.") : + _("Branch '%s' set up to track local ref '%s'."), local, remote); } } @@ -178,25 +178,40 @@ int read_branch_desc(struct strbuf *buf, const char *branch_name) return 0; } -int validate_new_branchname(const char *name, struct strbuf *ref, - int force, int attr_only) +/* + * Check if 'name' can be a valid name for a branch; die otherwise. + * Return 1 if the named branch already exists; return 0 otherwise. + * Fill ref with the full refname for the branch. + */ +int validate_branchname(const char *name, struct strbuf *ref) { if (strbuf_check_branch_ref(ref, name)) die(_("'%s' is not a valid branch name."), name); - if (!ref_exists(ref->buf)) + return ref_exists(ref->buf); +} + +/* + * Check if a branch 'name' can be created as a new branch; die otherwise. + * 'force' can be used when it is OK for the named branch already exists. + * Return 1 if the named branch already exists; return 0 otherwise. + * Fill ref with the full refname for the branch. + */ +int validate_new_branchname(const char *name, struct strbuf *ref, int force) +{ + const char *head; + + if (!validate_branchname(name, ref)) 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]; + if (!force) + die(_("A branch named '%s' already exists."), + ref->buf + strlen("refs/heads/")); + + head = resolve_ref_unsafe("HEAD", 0, NULL, NULL); + if (!is_bare_repository() && head && !strcmp(head, ref->buf)) + die(_("Cannot force update the current branch.")); - head = resolve_ref_unsafe("HEAD", 0, sha1, NULL); - if (!is_bare_repository() && head && !strcmp(head, ref->buf)) - die(_("Cannot force update the current branch.")); - } return 1; } @@ -229,12 +244,12 @@ N_("\n" "\"git push -u\" to set the upstream config as you push."); void create_branch(const char *name, const char *start_name, - int force, int reflog, int clobber_head, + int force, int clobber_head_ok, int reflog, int quiet, enum branch_track track) { struct commit *commit; - unsigned char sha1[20]; - char *real_ref, msg[PATH_MAX + 20]; + struct object_id oid; + char *real_ref; struct strbuf ref = STRBUF_INIT; int forcing = 0; int dont_change_ref = 0; @@ -243,9 +258,9 @@ void create_branch(const char *name, const char *start_name, if (track == BRANCH_TRACK_EXPLICIT || track == BRANCH_TRACK_OVERRIDE) explicit_tracking = 1; - if (validate_new_branchname(name, &ref, force, - track == BRANCH_TRACK_OVERRIDE || - clobber_head)) { + if ((track == BRANCH_TRACK_OVERRIDE || clobber_head_ok) + ? validate_branchname(name, &ref) + : validate_new_branchname(name, &ref, force)) { if (!force) dont_change_ref = 1; else @@ -253,7 +268,7 @@ void create_branch(const char *name, const char *start_name, } real_ref = NULL; - if (get_sha1(start_name, sha1)) { + if (get_oid(start_name, &oid)) { if (explicit_tracking) { if (advice_set_upstream_failure) { error(_(upstream_missing), start_name); @@ -265,7 +280,7 @@ void create_branch(const char *name, const char *start_name, die(_("Not a valid object name: '%s'."), start_name); } - switch (dwim_ref(start_name, strlen(start_name), sha1, &real_ref)) { + switch (dwim_ref(start_name, strlen(start_name), &oid, &real_ref)) { case 0: /* Not branching from any existing branch */ if (explicit_tracking) @@ -286,33 +301,33 @@ void create_branch(const char *name, const char *start_name, break; } - if ((commit = lookup_commit_reference(sha1)) == NULL) + if ((commit = lookup_commit_reference(&oid)) == NULL) die(_("Not a valid branch point: '%s'."), start_name); - hashcpy(sha1, commit->object.oid.hash); - - if (forcing) - snprintf(msg, sizeof msg, "branch: Reset to %s", - start_name); - else if (!dont_change_ref) - snprintf(msg, sizeof msg, "branch: Created from %s", - start_name); + oidcpy(&oid, &commit->object.oid); if (reflog) - log_all_ref_updates = 1; + log_all_ref_updates = LOG_REFS_NORMAL; if (!dont_change_ref) { struct ref_transaction *transaction; struct strbuf err = STRBUF_INIT; + char *msg; + + if (forcing) + msg = xstrfmt("branch: Reset to %s", start_name); + else + msg = xstrfmt("branch: Created from %s", start_name); transaction = ref_transaction_begin(&err); if (!transaction || ref_transaction_update(transaction, ref.buf, - sha1, forcing ? NULL : null_sha1, + &oid, forcing ? NULL : &null_oid, 0, msg, &err) || ref_transaction_commit(transaction, &err)) die("%s", err.buf); ref_transaction_free(transaction); strbuf_release(&err); + free(msg); } if (real_ref && track) @@ -345,24 +360,27 @@ void die_if_checked_out(const char *branch, int ignore_current_worktree) branch, wt->path); } -int replace_each_worktree_head_symref(const char *oldref, const char *newref) +int replace_each_worktree_head_symref(const char *oldref, const char *newref, + const char *logmsg) { int ret = 0; - struct worktree **worktrees = get_worktrees(); + struct worktree **worktrees = get_worktrees(0); int i; for (i = 0; worktrees[i]; i++) { + struct ref_store *refs; + if (worktrees[i]->is_detached) continue; + if (!worktrees[i]->head_ref) + 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); - } + refs = get_worktree_ref_store(worktrees[i]); + if (refs_create_symref(refs, "HEAD", newref, logmsg)) + ret = error(_("HEAD of working tree %s is not updated"), + worktrees[i]->path); } free_worktrees(worktrees); |