Code clean-up.
* ks/branch-cleanup:
builtin/branch: strip refs/heads/ using skip_prefix
branch: update warning message shown when copying a misnamed branch
branch: group related arguments of create_branch()
branch: improve documentation and naming of create_branch() parameters
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;
+ 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, NULL, NULL);
- if (!is_bare_repository() && head && !strcmp(head, ref->buf))
- die(_("Cannot force update the current branch."));
- }
return 1;
}
"\"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;
if (track == BRANCH_TRACK_EXPLICIT || track == BRANCH_TRACK_OVERRIDE)
explicit_tracking = 1;
- if ((track == BRANCH_TRACK_OVERRIDE || clobber_head)
- if (validate_new_branchname(name, &ref, force,
- track == BRANCH_TRACK_OVERRIDE ||
- clobber_head_ok)) {
++ 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
*
* - force enables overwriting an existing (non-head) branch
*
+ * - clobber_head_ok allows the currently checked out (hence existing)
+ * branch to be overwritten; without 'force', it has no effect.
+ *
* - reflog creates a reflog for the branch
*
+ * - quiet suppresses tracking information
+ *
* - track causes the new branch to be configured to merge the remote branch
* that start_name is a tracking branch for (if any).
+ *
*/
void create_branch(const char *name, const char *start_name,
- int force, int reflog,
- int clobber_head, int quiet, enum branch_track track);
+ int force, int clobber_head_ok,
+ int reflog, int quiet, enum branch_track track);
/*
- * Validates that the requested branch may be created, returning the
- * interpreted ref in ref, force indicates whether (non-head) branches
- * may be overwritten. A non-zero return value indicates that the force
- * parameter was non-zero and the branch already exists.
- *
- * Contrary to all of the above, when attr_only is 1, the caller is
- * not interested in verifying if it is Ok to update the named
- * branch to point at a potentially different commit. It is merely
- * asking if it is OK to change some attribute for the named branch
- * (e.g. tracking upstream).
- *
- * NEEDSWORK: This needs to be split into two separate functions in the
- * longer run for sanity.
- *
+ * 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.
+ */
+extern int validate_branchname(const char *name, struct strbuf *ref);
+
+/*
+ * 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, int attr_only);
+extern int validate_new_branchname(const char *name, struct strbuf *ref, int force);
/*
* Remove information about the state of working on the current
{
struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT;
struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT;
+ const char *interpreted_oldname = NULL;
+ const char *interpreted_newname = NULL;
int recovery = 0;
- int clobber_head_ok;
if (!oldname) {
if (copy)
* A command like "git branch -M currentbranch currentbranch" cannot
* cause the worktree to become inconsistent with HEAD, so allow it.
*/
- clobber_head_ok = !strcmp(oldname, newname);
-
- validate_new_branchname(newname, &newref, force, clobber_head_ok);
+ if (!strcmp(oldname, newname))
+ validate_branchname(newname, &newref);
+ else
+ validate_new_branchname(newname, &newref, force);
reject_rebase_or_bisect_branch(oldref.buf);
+ if (!skip_prefix(oldref.buf, "refs/heads/", &interpreted_oldname) ||
+ !skip_prefix(newref.buf, "refs/heads/", &interpreted_newname)) {
+ die("BUG: expected prefix missing for refs");
+ }
+
if (copy)
strbuf_addf(&logmsg, "Branch: copied %s to %s",
oldref.buf, newref.buf);
if (recovery) {
if (copy)
- warning(_("Copied a misnamed branch '%s' away"),
- oldref.buf + 11);
+ warning(_("Created a copy of a misnamed branch '%s'"),
+ interpreted_oldname);
else
warning(_("Renamed a misnamed branch '%s' away"),
- oldref.buf + 11);
+ interpreted_oldname);
}
if (!copy &&
strbuf_release(&logmsg);
- strbuf_addf(&oldsection, "branch.%s", oldref.buf + 11);
+ strbuf_addf(&oldsection, "branch.%s", interpreted_oldname);
strbuf_release(&oldref);
- strbuf_addf(&newsection, "branch.%s", newref.buf + 11);
+ strbuf_addf(&newsection, "branch.%s", interpreted_newname);
strbuf_release(&newref);
if (!copy && git_config_rename_section(oldsection.buf, newsection.buf) < 0)
die(_("Branch is renamed, but update of config-file failed"));
copy *= 2;
}
+ if (list)
+ setup_auto_pager("branch", 1);
+
if (delete) {
if (!argc)
die(_("branch name required"));
} else if (argc > 0 && argc <= 2) {
struct branch *branch = branch_get(argv[0]);
- if (!strcmp(argv[0], "HEAD"))
- die(_("it does not make sense to create 'HEAD' manually"));
-
if (!branch)
die(_("no such branch '%s'"), argv[0]);
die(_("the '--set-upstream' option is no longer supported. Please use '--track' or '--set-upstream-to' instead."));
create_branch(argv[0], (argc == 2) ? argv[1] : head,
- force, reflog, 0, quiet, track);
+ force, 0, reflog, quiet, track);
} else
usage_with_options(builtin_branch_usage, options);
#include "builtin.h"
#include "config.h"
+#include "checkout.h"
#include "lockfile.h"
#include "parse-options.h"
#include "refs.h"
static void describe_detached_head(const char *msg, struct commit *commit)
{
struct strbuf sb = STRBUF_INIT;
+
if (!parse_commit(commit))
pp_commit_easy(CMIT_FMT_ONELINE, commit, &sb);
- fprintf(stderr, "%s %s... %s\n", msg,
- find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV), sb.buf);
+ if (print_sha1_ellipsis()) {
+ fprintf(stderr, "%s %s... %s\n", msg,
+ find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV), sb.buf);
+ } else {
+ fprintf(stderr, "%s %s %s\n", msg,
+ find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV), sb.buf);
+ }
strbuf_release(&sb);
}
}
tree = parse_tree_indirect(old->commit ?
&old->commit->object.oid :
- &empty_tree_oid);
+ the_hash_algo->empty_tree);
init_tree_desc(&trees[0], tree->buffer, tree->size);
tree = parse_tree_indirect(&new->commit->object.oid);
init_tree_desc(&trees[1], tree->buffer, tree->size);
else
create_branch(opts->new_branch, new->name,
opts->new_branch_force ? 1 : 0,
- opts->new_branch_log,
opts->new_branch_force ? 1 : 0,
+ opts->new_branch_log,
opts->quiet,
opts->track);
new->name = opts->new_branch;
return git_xmerge_config(var, value, NULL);
}
-struct tracking_name_data {
- /* const */ char *src_ref;
- char *dst_ref;
- struct object_id *dst_oid;
- int unique;
-};
-
-static int check_tracking_name(struct remote *remote, void *cb_data)
-{
- struct tracking_name_data *cb = cb_data;
- struct refspec query;
- memset(&query, 0, sizeof(struct refspec));
- query.src = cb->src_ref;
- if (remote_find_tracking(remote, &query) ||
- get_oid(query.dst, cb->dst_oid)) {
- free(query.dst);
- return 0;
- }
- if (cb->dst_ref) {
- free(query.dst);
- cb->unique = 0;
- return 0;
- }
- cb->dst_ref = query.dst;
- return 0;
-}
-
-static const char *unique_tracking_name(const char *name, struct object_id *oid)
-{
- struct tracking_name_data cb_data = { NULL, NULL, NULL, 1 };
- cb_data.src_ref = xstrfmt("refs/heads/%s", name);
- cb_data.dst_oid = oid;
- for_each_remote(check_tracking_name, &cb_data);
- free(cb_data.src_ref);
- if (cb_data.unique)
- return cb_data.dst_ref;
- free(cb_data.dst_ref);
- return NULL;
-}
-
static int parse_branchname_arg(int argc, const char **argv,
int dwim_new_local_branch_ok,
struct branch_info *new,
if (opts.new_branch) {
struct strbuf buf = STRBUF_INIT;
- opts.branch_exists =
- validate_new_branchname(opts.new_branch, &buf,
- !!opts.new_branch_force,
- !!opts.new_branch_force);
-
+ if (opts.new_branch_force)
+ opts.branch_exists = validate_branchname(opts.new_branch, &buf);
+ else
+ opts.branch_exists =
+ validate_new_branchname(opts.new_branch, &buf, 0);
strbuf_release(&buf);
}