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authorTay Ray Chuan <rctay89@gmail.com>2010-06-23 19:29:00 (GMT)
committerJunio C Hamano <gitster@pobox.com>2010-06-25 17:39:58 (GMT)
commit02ac98374eefbe4a46d4b53a8a78057ad8ad39b7 (patch)
treee19181e7176302cdce7f2176b306de927abf8f5b /builtin/checkout.c
parent4c6887516c60dbbe42390b17a379a85d66919082 (diff)
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builtin/checkout: learn -B
Internally, --track and --orphan still use the 'safe' -b, not -B. Signed-off-by: Tay Ray Chuan <rctay89@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'builtin/checkout.c')
-rw-r--r--builtin/checkout.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c
index 27e810b..4ad7427 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;
@@ -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);
@@ -531,7 +536,7 @@ static void update_refs_for_switch(struct checkout_opts *opts,
new->name);
else
fprintf(stderr, "Switched to%s branch '%s'\n",
- opts->new_branch ? " a new" : "",
+ opts->branch_exists ? " and reset" : " a new",
new->name);
}
if (old->path && old->name) {
@@ -659,6 +664,8 @@ int cmd_checkout(int argc, const char **argv, const char *prefix)
OPT__QUIET(&opts.quiet),
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),
@@ -689,6 +696,14 @@ 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");
@@ -710,7 +725,7 @@ 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;
@@ -859,8 +874,12 @@ 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);
}