diff options
Diffstat (limited to 'builtin/checkout.c')
| -rw-r--r-- | builtin/checkout.c | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c index 1994be92c6..7f81120c72 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"); @@ -511,7 +514,8 @@ 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 +533,12 @@ 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 +664,10 @@ 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 +698,14 @@ 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 +727,7 @@ 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 +876,12 @@ 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); } |