diff options
| -rw-r--r-- | builtin/checkout.c | 189 |
1 files changed, 112 insertions, 77 deletions
diff --git a/builtin/checkout.c b/builtin/checkout.c index 78abaeb92d..b4030121c8 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -217,7 +217,8 @@ static int checkout_merged(int pos, struct checkout *state) return status; } -static int checkout_paths(const struct checkout_opts *opts) +static int checkout_paths(const struct checkout_opts *opts, + const char *revision) { int pos; struct checkout state; @@ -229,7 +230,35 @@ static int checkout_paths(const struct checkout_opts *opts) int stage = opts->writeout_stage; int merge = opts->merge; int newfd; - struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file)); + struct lock_file *lock_file; + + if (opts->track != BRANCH_TRACK_UNSPECIFIED) + die(_("'%s' cannot be used with updating paths"), "--track"); + + if (opts->new_branch_log) + die(_("'%s' cannot be used with updating paths"), "-l"); + + if (opts->force && opts->patch_mode) + die(_("'%s' cannot be used with updating paths"), "-f"); + + if (opts->force_detach) + die(_("'%s' cannot be used with updating paths"), "--detach"); + + if (opts->merge && opts->patch_mode) + die(_("'%s' cannot be used with %s"), "--merge", "--patch"); + + if (opts->force && opts->merge) + die(_("'%s' cannot be used with %s"), "-f", "-m"); + + if (opts->new_branch) + die(_("Cannot update paths and switch to branch '%s' at the same time."), + opts->new_branch); + + if (opts->patch_mode) + return run_add_interactive(revision, "--patch=checkout", + opts->pathspec); + + lock_file = xcalloc(1, sizeof(struct lock_file)); newfd = hold_locked_index(lock_file, 1); if (read_cache_preload(opts->pathspec) < 0) @@ -763,11 +792,6 @@ static int git_checkout_config(const char *var, const char *value, void *cb) return git_xmerge_config(var, value, NULL); } -static int interactive_checkout(const char *revision, const char **pathspec) -{ - return run_add_interactive(revision, "--patch=checkout", pathspec); -} - struct tracking_name_data { const char *name; char *remote; @@ -930,6 +954,51 @@ static int switch_unborn_to_new_branch(const struct checkout_opts *opts) return status; } +static int checkout_branch(struct checkout_opts *opts, + struct branch_info *new) +{ + if (opts->pathspec) + die(_("paths cannot be used with switching branches")); + + if (opts->patch_mode) + die(_("'%s' cannot be used with switching branches"), + "--patch"); + + if (opts->writeout_stage) + die(_("'%s' cannot be used with switching branches"), + "--ours/--theirs"); + + if (opts->force && opts->merge) + die(_("'%s' cannot be used with '%s'"), "-f", "-m"); + + if (opts->force_detach && opts->new_branch) + die(_("'%s' cannot be used with '%s'"), + "--detach", "-b/-B/--orphan"); + + if (opts->new_orphan_branch) { + if (opts->track != BRANCH_TRACK_UNSPECIFIED) + die(_("'%s' cannot be used with '%s'"), "--orphan", "-t"); + } else if (opts->force_detach) { + if (opts->track != BRANCH_TRACK_UNSPECIFIED) + die(_("'%s' cannot be used with '%s'"), "--detach", "-t"); + } else if (opts->track == BRANCH_TRACK_UNSPECIFIED) + opts->track = git_branch_track; + + if (new->name && !new->commit) + die(_("Cannot switch branch to a non-commit '%s'"), + new->name); + + if (!new->commit && opts->new_branch) { + unsigned char rev[20]; + int flag; + + if (!read_ref_full("HEAD", rev, 0, &flag) && + (flag & REF_ISSYMREF) && is_null_sha1(rev)) + return switch_unborn_to_new_branch(opts); + } + return switch_branches(opts, new); +} + int cmd_checkout(int argc, const char **argv, const char *prefix) { struct checkout_opts opts; @@ -976,26 +1045,27 @@ 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")); + if (conflict_style) { + opts.merge = 1; /* implied */ + git_xmerge_config("merge.conflictstyle", conflict_style, NULL); + } - /* copy -B over to -b, so that we can just check the latter */ + if ((!!opts.new_branch + !!opts.new_branch_force + !!opts.new_orphan_branch) > 1) + die(_("-b, -B and --orphan are mutually exclusive")); + + /* + * From here on, new_branch will contain the branch to be checked out, + * and new_branch_force and new_orphan_branch will tell us which one of + * -b/-B/--orphan is being used. + */ if (opts.new_branch_force) opts.new_branch = opts.new_branch_force; - if (opts.patch_mode && (opts.track > 0 || opts.new_branch - || opts.new_branch_log || opts.merge || opts.force - || opts.force_detach)) - die (_("--patch is incompatible with all other options")); - - if (opts.force_detach && (opts.new_branch || opts.new_orphan_branch)) - die(_("--detach cannot be used with -b/-B/--orphan")); - if (opts.force_detach && 0 < opts.track) - die(_("--detach cannot be used with -t")); + if (opts.new_orphan_branch) + opts.new_branch = opts.new_orphan_branch; - /* --track without -b should DWIM */ - if (0 < opts.track && !opts.new_branch) { + /* --track without -b/-B/--orphan should DWIM */ + if (opts.track != BRANCH_TRACK_UNSPECIFIED && !opts.new_branch) { const char *argv0 = argv[0]; if (!argc || !strcmp(argv0, "--")) die (_("--track needs a branch name")); @@ -1009,22 +1079,6 @@ 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|-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); - } - - if (opts.force && opts.merge) - die(_("git checkout: -f and -m are incompatible")); - /* * Extract branch name from command line arguments, so * all that is left is pathspecs. @@ -1052,62 +1106,43 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) argc -= n; } - if (opts.track == BRANCH_TRACK_UNSPECIFIED) - opts.track = git_branch_track; - if (argc) { opts.pathspec = get_pathspec(prefix, argv); if (!opts.pathspec) die(_("invalid path specification")); - if (opts.patch_mode) - return interactive_checkout(new.name, opts.pathspec); - - /* Checkout paths */ - if (opts.new_branch) { - if (argc == 1) { - die(_("git checkout: updating paths is incompatible with switching branches.\nDid you intend to checkout '%s' which can not be resolved as commit?"), argv[0]); - } else { - die(_("git checkout: updating paths is incompatible with switching branches.")); - } - } + /* + * Try to give more helpful suggestion. + * new_branch && argc > 1 will be caught later. + */ + if (opts.new_branch && argc == 1) + die(_("Cannot update paths and switch to branch '%s' at the same time.\n" + "Did you intend to checkout '%s' which can not be resolved as commit?"), + opts.new_branch, argv[0]); if (opts.force_detach) - die(_("git checkout: --detach does not take a path argument")); + die(_("git checkout: --detach does not take a path argument '%s'"), + argv[0]); if (1 < !!opts.writeout_stage + !!opts.force + !!opts.merge) - die(_("git checkout: --ours/--theirs, --force and --merge are incompatible when\nchecking out of the index.")); - - return checkout_paths(&opts); + die(_("git checkout: --ours/--theirs, --force and --merge are incompatible when\n" + "checking out of the index.")); } - if (opts.patch_mode) - return interactive_checkout(new.name, NULL); - if (opts.new_branch) { struct strbuf buf = STRBUF_INIT; - opts.branch_exists = validate_new_branchname(opts.new_branch, &buf, - !!opts.new_branch_force, - !!opts.new_branch_force); + opts.branch_exists = + validate_new_branchname(opts.new_branch, &buf, + !!opts.new_branch_force, + !!opts.new_branch_force); strbuf_release(&buf); } - if (new.name && !new.commit) { - die(_("Cannot switch branch to a non-commit.")); - } - if (opts.writeout_stage) - die(_("--ours/--theirs is incompatible with switching branches.")); - - if (!new.commit && opts.new_branch) { - unsigned char rev[20]; - int flag; - - if (!read_ref_full("HEAD", rev, 0, &flag) && - (flag & REF_ISSYMREF) && is_null_sha1(rev)) - return switch_unborn_to_new_branch(&opts); - } - return switch_branches(&opts, &new); + if (opts.patch_mode || opts.pathspec) + return checkout_paths(&opts, new.name); + else + return checkout_branch(&opts, &new); } |