1 files changed, 0 insertions, 393 deletions
diff --git a/third_party/git/branch.c b/third_party/git/branch.c
deleted file mode 100644
index 579494738a..0000000000
--- a/third_party/git/branch.c
+++ /dev/null
@@ -1,393 +0,0 @@
-#include "git-compat-util.h"
-#include "cache.h"
-#include "config.h"
-#include "branch.h"
-#include "refs.h"
-#include "refspec.h"
-#include "remote.h"
-#include "sequencer.h"
-#include "commit.h"
-#include "worktree.h"
-
-struct tracking {
-	struct refspec_item spec;
-	char *src;
-	const char *remote;
-	int matches;
-};
-
-static int find_tracked_branch(struct remote *remote, void *priv)
-{
-	struct tracking *tracking = priv;
-
-	if (!remote_find_tracking(remote, &tracking->spec)) {
-		if (++tracking->matches == 1) {
-			tracking->src = tracking->spec.src;
-			tracking->remote = remote->name;
-		} else {
-			free(tracking->spec.src);
-			FREE_AND_NULL(tracking->src);
-		}
-		tracking->spec.src = NULL;
-	}
-
-	return 0;
-}
-
-static int should_setup_rebase(const char *origin)
-{
-	switch (autorebase) {
-	case AUTOREBASE_NEVER:
-		return 0;
-	case AUTOREBASE_LOCAL:
-		return origin == NULL;
-	case AUTOREBASE_REMOTE:
-		return origin != NULL;
-	case AUTOREBASE_ALWAYS:
-		return 1;
-	}
-	return 0;
-}
-
-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 = NULL;
-	struct strbuf key = STRBUF_INIT;
-	int rebasing = should_setup_rebase(origin);
-
-	if (skip_prefix(remote, "refs/heads/", &shortname)
-	    && !strcmp(local, shortname)
-	    && !origin) {
-		warning(_("Not setting branch %s as its own upstream."),
-			local);
-		return 0;
-	}
-
-	strbuf_addf(&key, "branch.%s.remote", local);
-	if (git_config_set_gently(key.buf, origin ? origin : ".") < 0)
-		goto out_err;
-
-	strbuf_reset(&key);
-	strbuf_addf(&key, "branch.%s.merge", local);
-	if (git_config_set_gently(key.buf, remote) < 0)
-		goto out_err;
-
-	if (rebasing) {
-		strbuf_reset(&key);
-		strbuf_addf(&key, "branch.%s.rebase", local);
-		if (git_config_set_gently(key.buf, "true") < 0)
-			goto out_err;
-	}
-	strbuf_release(&key);
-
-	if (flag & BRANCH_CONFIG_VERBOSE) {
-		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;
-}
-
-/*
- * This is called when new_ref is branched off of orig_ref, and tries
- * to infer the settings for branch.<new_ref>.{remote,merge} from the
- * config.
- */
-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;
-
-	memset(&tracking, 0, sizeof(tracking));
-	tracking.spec.dst = (char *)orig_ref;
-	if (for_each_remote(find_tracked_branch, &tracking))
-		return;
-
-	if (!tracking.matches)
-		switch (track) {
-		case BRANCH_TRACK_ALWAYS:
-		case BRANCH_TRACK_EXPLICIT:
-		case BRANCH_TRACK_OVERRIDE:
-			break;
-		default:
-			return;
-		}
-
-	if (tracking.matches > 1)
-		die(_("Not tracking: ambiguous information for ref %s"),
-		    orig_ref);
-
-	if (install_branch_config(config_flags, new_ref, tracking.remote,
-			      tracking.src ? tracking.src : orig_ref) < 0)
-		exit(-1);
-
-	free(tracking.src);
-}
-
-int read_branch_desc(struct strbuf *buf, const char *branch_name)
-{
-	char *v = NULL;
-	struct strbuf name = STRBUF_INIT;
-	strbuf_addf(&name, "branch.%s.description", branch_name);
-	if (git_config_get_string(name.buf, &v)) {
-		strbuf_release(&name);
-		return -1;
-	}
-	strbuf_addstr(buf, v);
-	free(v);
-	strbuf_release(&name);
-	return 0;
-}
-
-/*
- * 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);
-
-	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;
-
-	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."));
-
-	return 1;
-}
-
-static int check_tracking_branch(struct remote *remote, void *cb_data)
-{
-	char *tracking_branch = cb_data;
-	struct refspec_item query;
-	memset(&query, 0, sizeof(struct refspec_item));
-	query.dst = tracking_branch;
-	return !remote_find_tracking(remote, &query);
-}
-
-static int validate_remote_tracking_branch(char *ref)
-{
-	return !for_each_remote(check_tracking_branch, ref);
-}
-
-static const char upstream_not_branch[] =
-N_("Cannot setup tracking information; starting point '%s' is not a branch.");
-static const char upstream_missing[] =
-N_("the requested upstream branch '%s' does not exist");
-static const char upstream_advice[] =
-N_("\n"
-"If you are planning on basing your work on an upstream\n"
-"branch that already exists at the remote, you may need to\n"
-"run \"git fetch\" to retrieve it.\n"
-"\n"
-"If you are planning to push out a new local branch that\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(struct repository *r,
-		   const char *name, const char *start_name,
-		   int force, int clobber_head_ok, int reflog,
-		   int quiet, enum branch_track track)
-{
-	struct commit *commit;
-	struct object_id oid;
-	char *real_ref;
-	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 ((track == BRANCH_TRACK_OVERRIDE || clobber_head_ok)
-	    ? validate_branchname(name, &ref)
-	    : validate_new_branchname(name, &ref, force)) {
-		if (!force)
-			dont_change_ref = 1;
-		else
-			forcing = 1;
-	}
-
-	real_ref = NULL;
-	if (get_oid_mb(start_name, &oid)) {
-		if (explicit_tracking) {
-			if (advice_set_upstream_failure) {
-				error(_(upstream_missing), start_name);
-				advise(_(upstream_advice));
-				exit(1);
-			}
-			die(_(upstream_missing), start_name);
-		}
-		die(_("Not a valid object name: '%s'."), start_name);
-	}
-
-	switch (dwim_ref(start_name, strlen(start_name), &oid, &real_ref)) {
-	case 0:
-		/* Not branching from any existing branch */
-		if (explicit_tracking)
-			die(_(upstream_not_branch), start_name);
-		break;
-	case 1:
-		/* Unique completion -- good, only if it is a real branch */
-		if (!starts_with(real_ref, "refs/heads/") &&
-		    validate_remote_tracking_branch(real_ref)) {
-			if (explicit_tracking)
-				die(_(upstream_not_branch), start_name);
-			else
-				real_ref = NULL;
-		}
-		break;
-	default:
-		die(_("Ambiguous object name: '%s'."), start_name);
-		break;
-	}
-
-	if ((commit = lookup_commit_reference(r, &oid)) == NULL)
-		die(_("Not a valid branch point: '%s'."), start_name);
-	oidcpy(&oid, &commit->object.oid);
-
-	if (reflog)
-		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,
-					   &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)
-		setup_tracking(ref.buf + 11, real_ref, track, quiet);
-
-	strbuf_release(&ref);
-	free(real_ref);
-}
-
-void remove_merge_branch_state(struct repository *r)
-{
-	unlink(git_path_merge_head(r));
-	unlink(git_path_merge_rr(r));
-	unlink(git_path_merge_msg(r));
-	unlink(git_path_merge_mode(r));
-}
-
-void remove_branch_state(struct repository *r, int verbose)
-{
-	sequencer_post_commit_cleanup(r, verbose);
-	unlink(git_path_squash_msg(r));
-	remove_merge_branch_state(r);
-}
-
-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,
-				      const char *logmsg)
-{
-	int ret = 0;
-	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;
-
-		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);
-	return ret;
-}