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-rw-r--r--branch.c103
1 files changed, 81 insertions, 22 deletions
diff --git a/branch.c b/branch.c
index b0024353f4..a5a8dcbd0e 100644
--- a/branch.c
+++ b/branch.c
@@ -4,6 +4,7 @@
#include "refs.h"
#include "remote.h"
#include "commit.h"
+#include "worktree.h"
struct tracking {
struct refspec spec;
@@ -48,7 +49,13 @@ 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 = NULL;
struct strbuf key = STRBUF_INIT;
@@ -59,20 +66,23 @@ void install_branch_config(int flag, const char *local, const char *origin, cons
&& !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);
@@ -101,6 +111,19 @@ void install_branch_config(int flag, const char *local, const char *origin, cons
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;
}
/*
@@ -108,8 +131,8 @@ 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;
@@ -117,7 +140,7 @@ static int setup_tracking(const char *new_ref, const char *orig_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) {
@@ -126,18 +149,18 @@ 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;
}
int read_branch_desc(struct strbuf *buf, const char *branch_name)
@@ -266,7 +289,7 @@ 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);
+ hashcpy(sha1, commit->object.oid.hash);
if (forcing)
snprintf(msg, sizeof msg, "branch: Reset to %s",
@@ -302,11 +325,47 @@ void create_branch(const char *head,
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();
+ 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;
}