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Diffstat (limited to 'builtin/checkout.c')
-rw-r--r--builtin/checkout.c41
1 files changed, 32 insertions, 9 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c
index 1994be9..7250e5c 100644
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -32,7 +32,11 @@ struct checkout_opts {
int writeout_stage;
int writeout_error;
+ /* not set by parse_options */
+ int branch_exists;
+
const char *new_branch;
+ const char *new_branch_force;
const char *new_orphan_branch;
int new_branch_log;
enum branch_track track;
@@ -279,7 +283,6 @@ static void show_local_changes(struct object *head)
struct rev_info rev;
/* I think we want full paths, even if we're in a subdirectory. */
init_revisions(&rev, NULL);
- rev.abbrev = 0;
rev.diffopt.output_format |= DIFF_FORMAT_NAME_STATUS;
if (diff_setup_done(&rev.diffopt) < 0)
die("diff_setup_done failed");
@@ -373,7 +376,7 @@ static int merge_working_tree(struct checkout_opts *opts,
topts.src_index = &the_index;
topts.dst_index = &the_index;
- topts.msgs.not_uptodate_file = "You have local changes to '%s'; cannot switch branches.";
+ set_porcelain_error_msgs(topts.msgs, "checkout");
refresh_cache(REFRESH_QUIET);
@@ -392,6 +395,7 @@ static int merge_working_tree(struct checkout_opts *opts,
topts.dir = xcalloc(1, sizeof(*topts.dir));
topts.dir->flags |= DIR_SHOW_IGNORED;
topts.dir->exclude_per_dir = ".gitignore";
+ topts.show_all_errors = 1;
tree = parse_tree_indirect(old->commit ?
old->commit->object.sha1 :
(unsigned char *)EMPTY_TREE_SHA1_BIN);
@@ -511,7 +515,8 @@ static void update_refs_for_switch(struct checkout_opts *opts,
}
}
else
- create_branch(old->name, opts->new_branch, new->name, 0,
+ create_branch(old->name, opts->new_branch, new->name,
+ opts->new_branch_force ? 1 : 0,
opts->new_branch_log, opts->track);
new->name = opts->new_branch;
setup_branch_path(new);
@@ -529,9 +534,12 @@ static void update_refs_for_switch(struct checkout_opts *opts,
if (old->path && !strcmp(new->path, old->path))
fprintf(stderr, "Already on '%s'\n",
new->name);
- else
+ else if (opts->new_branch)
fprintf(stderr, "Switched to%s branch '%s'\n",
- opts->new_branch ? " a new" : "",
+ opts->branch_exists ? " and reset" : " a new",
+ new->name);
+ else
+ fprintf(stderr, "Switched to branch '%s'\n",
new->name);
}
if (old->path && old->name) {
@@ -657,7 +665,10 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
int dwim_new_local_branch = 1;
struct option options[] = {
OPT__QUIET(&opts.quiet),
- OPT_STRING('b', NULL, &opts.new_branch, "new branch", "branch"),
+ OPT_STRING('b', NULL, &opts.new_branch, "branch",
+ "create and checkout a new branch"),
+ OPT_STRING('B', NULL, &opts.new_branch_force, "branch",
+ "create/reset and checkout a branch"),
OPT_BOOLEAN('l', NULL, &opts.new_branch_log, "log for new branch"),
OPT_SET_INT('t', "track", &opts.track, "track",
BRANCH_TRACK_EXPLICIT),
@@ -688,6 +699,14 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
argc = parse_options(argc, argv, prefix, options, checkout_usage,
PARSE_OPT_KEEP_DASHDASH);
+ /* we can assume from now on new_branch = !new_branch_force */
+ if (opts.new_branch && opts.new_branch_force)
+ die("-B cannot be used with -b");
+
+ /* copy -B over to -b, so that we can just check the latter */
+ if (opts.new_branch_force)
+ opts.new_branch = opts.new_branch_force;
+
if (patch_mode && (opts.track > 0 || opts.new_branch
|| opts.new_branch_log || opts.merge || opts.force))
die ("--patch is incompatible with all other options");
@@ -709,7 +728,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
if (opts.new_orphan_branch) {
if (opts.new_branch)
- die("--orphan and -b are mutually exclusive");
+ die("--orphan and -b|-B are mutually exclusive");
if (opts.track > 0)
die("--orphan cannot be used with -t");
opts.new_branch = opts.new_orphan_branch;
@@ -858,8 +877,12 @@ no_reference:
if (strbuf_check_branch_ref(&buf, opts.new_branch))
die("git checkout: we do not like '%s' as a branch name.",
opts.new_branch);
- if (!get_sha1(buf.buf, rev))
- die("git checkout: branch %s already exists", opts.new_branch);
+ if (!get_sha1(buf.buf, rev)) {
+ opts.branch_exists = 1;
+ if (!opts.new_branch_force)
+ die("git checkout: branch %s already exists",
+ opts.new_branch);
+ }
strbuf_release(&buf);
}