From 02ac98374eefbe4a46d4b53a8a78057ad8ad39b7 Mon Sep 17 00:00:00 2001 From: Tay Ray Chuan Date: Thu, 24 Jun 2010 03:29:00 +0800 Subject: builtin/checkout: learn -B Internally, --track and --orphan still use the 'safe' -b, not -B. Signed-off-by: Tay Ray Chuan Signed-off-by: Junio C Hamano --- builtin/checkout.c | 29 ++++++++++++++++++++++++----- 1 file changed, 24 insertions(+), 5 deletions(-) (limited to 'builtin') diff --git a/builtin/checkout.c b/builtin/checkout.c index 27e810b15a..4ad74270cf 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); } -- cgit v1.2.3