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Diffstat (limited to 'builtin/checkout.c')
-rw-r--r--builtin/checkout.c43
1 files changed, 40 insertions, 3 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c
index 88b1f43e05..1994be92c6 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -33,6 +33,7 @@ struct checkout_opts {
int writeout_error;
const char *new_branch;
+ const char *new_orphan_branch;
int new_branch_log;
enum branch_track track;
};
@@ -492,8 +493,26 @@ static void update_refs_for_switch(struct checkout_opts *opts,
struct strbuf msg = STRBUF_INIT;
const char *old_desc;
if (opts->new_branch) {
- create_branch(old->name, opts->new_branch, new->name, 0,
- opts->new_branch_log, opts->track);
+ if (opts->new_orphan_branch) {
+ if (opts->new_branch_log && !log_all_ref_updates) {
+ int temp;
+ char log_file[PATH_MAX];
+ char *ref_name = mkpath("refs/heads/%s", opts->new_orphan_branch);
+
+ temp = log_all_ref_updates;
+ log_all_ref_updates = 1;
+ if (log_ref_setup(ref_name, log_file, sizeof(log_file))) {
+ fprintf(stderr, "Can not do reflog for '%s'\n",
+ opts->new_orphan_branch);
+ log_all_ref_updates = temp;
+ return;
+ }
+ log_all_ref_updates = temp;
+ }
+ }
+ else
+ create_branch(old->name, opts->new_branch, new->name, 0,
+ opts->new_branch_log, opts->track);
new->name = opts->new_branch;
setup_branch_path(new);
}
@@ -515,6 +534,14 @@ static void update_refs_for_switch(struct checkout_opts *opts,
opts->new_branch ? " a new" : "",
new->name);
}
+ if (old->path && old->name) {
+ char log_file[PATH_MAX], ref_file[PATH_MAX];
+
+ git_snpath(log_file, sizeof(log_file), "logs/%s", old->path);
+ git_snpath(ref_file, sizeof(ref_file), "%s", old->path);
+ if (!file_exists(ref_file) && file_exists(log_file))
+ remove_path(log_file);
+ }
} else if (strcmp(new->name, "HEAD")) {
update_ref(msg.buf, "HEAD", new->commit->object.sha1, NULL,
REF_NODEREF, DIE_ON_ERR);
@@ -609,7 +636,8 @@ static int check_tracking_name(const char *refname, const unsigned char *sha1,
static const char *unique_tracking_name(const char *name)
{
- struct tracking_name_data cb_data = { name, NULL, 1 };
+ struct tracking_name_data cb_data = { NULL, NULL, 1 };
+ cb_data.name = name;
for_each_ref(check_tracking_name, &cb_data);
if (cb_data.unique)
return cb_data.remote;
@@ -633,6 +661,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
OPT_BOOLEAN('l', NULL, &opts.new_branch_log, "log for new branch"),
OPT_SET_INT('t', "track", &opts.track, "track",
BRANCH_TRACK_EXPLICIT),
+ OPT_STRING(0, "orphan", &opts.new_orphan_branch, "new branch", "new unparented branch"),
OPT_SET_INT('2', "ours", &opts.writeout_stage, "stage",
2),
OPT_SET_INT('3', "theirs", &opts.writeout_stage, "stage",
@@ -678,6 +707,14 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
opts.new_branch = argv0 + 1;
}
+ if (opts.new_orphan_branch) {
+ if (opts.new_branch)
+ die("--orphan and -b are mutually exclusive");
+ if (opts.track > 0)
+ die("--orphan cannot be used with -t");
+ opts.new_branch = opts.new_orphan_branch;
+ }
+
if (conflict_style) {
opts.merge = 1; /* implied */
git_xmerge_config("merge.conflictstyle", conflict_style, NULL);