diff options
Diffstat (limited to 'builtin/branch.c')
-rw-r--r-- | builtin/branch.c | 210 |
1 files changed, 125 insertions, 85 deletions
diff --git a/builtin/branch.c b/builtin/branch.c index 16d391b407..4fc55c3508 100644 --- a/builtin/branch.c +++ b/builtin/branch.c @@ -22,12 +22,14 @@ #include "wt-status.h" #include "ref-filter.h" #include "worktree.h" +#include "help.h" static const char * const builtin_branch_usage[] = { N_("git branch [<options>] [-r | -a] [--merged | --no-merged]"), N_("git branch [<options>] [-l] [-f] <branch-name> [<start-point>]"), N_("git branch [<options>] [-r] (-d | -D) <branch-name>..."), N_("git branch [<options>] (-m | -M) [<old-branch>] <new-branch>"), + N_("git branch [<options>] (-c | -C) [<old-branch>] <new-branch>"), N_("git branch [<options>] [-r | -a] [--points-at]"), N_("git branch [<options>] [-r | -a] [--format]"), NULL @@ -35,6 +37,7 @@ static const char * const builtin_branch_usage[] = { static const char *head; static struct object_id head_oid; +static int used_deprecated_reflog_option; static int branch_use_color = -1; static char branch_colors[][COLOR_MAXLEN] = { @@ -54,25 +57,19 @@ enum color_branch { BRANCH_COLOR_UPSTREAM = 5 }; +static const char *color_branch_slots[] = { + [BRANCH_COLOR_RESET] = "reset", + [BRANCH_COLOR_PLAIN] = "plain", + [BRANCH_COLOR_REMOTE] = "remote", + [BRANCH_COLOR_LOCAL] = "local", + [BRANCH_COLOR_CURRENT] = "current", + [BRANCH_COLOR_UPSTREAM] = "upstream", +}; + static struct string_list output = STRING_LIST_INIT_DUP; static unsigned int colopts; -static int parse_branch_color_slot(const char *slot) -{ - if (!strcasecmp(slot, "plain")) - return BRANCH_COLOR_PLAIN; - if (!strcasecmp(slot, "reset")) - return BRANCH_COLOR_RESET; - if (!strcasecmp(slot, "remote")) - return BRANCH_COLOR_REMOTE; - if (!strcasecmp(slot, "local")) - return BRANCH_COLOR_LOCAL; - if (!strcasecmp(slot, "current")) - return BRANCH_COLOR_CURRENT; - if (!strcasecmp(slot, "upstream")) - return BRANCH_COLOR_UPSTREAM; - return -1; -} +define_list_config_array(color_branch_slots); static int git_branch_config(const char *var, const char *value, void *cb) { @@ -85,14 +82,14 @@ static int git_branch_config(const char *var, const char *value, void *cb) return 0; } if (skip_prefix(var, "color.branch.", &slot_name)) { - int slot = parse_branch_color_slot(slot_name); + int slot = LOOKUP_CONFIG(color_branch_slots, slot_name); if (slot < 0) return 0; if (!value) return config_error_nonbool(var); return color_parse(value, branch_colors[slot]); } - return git_default_config(var, value, cb); + return git_color_default_config(var, value, cb); } static const char *branch_get_color(enum color_branch ix) @@ -124,8 +121,9 @@ static int branch_merged(int kind, const char *name, if (upstream && (reference_name = reference_name_to_free = resolve_refdup(upstream, RESOLVE_REF_READING, - oid.hash, NULL)) != NULL) - reference_rev = lookup_commit_reference(&oid); + &oid, NULL)) != NULL) + reference_rev = lookup_commit_reference(the_repository, + &oid); } if (!reference_rev) reference_rev = head_rev; @@ -158,7 +156,7 @@ static int check_branch_commit(const char *branchname, const char *refname, const struct object_id *oid, struct commit *head_rev, int kinds, int force) { - struct commit *rev = lookup_commit_reference(oid); + struct commit *rev = lookup_commit_reference(the_repository, oid); if (!rev) { error(_("Couldn't look up commit object for '%s'"), refname); return -1; @@ -212,11 +210,11 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, } if (!force) { - head_rev = lookup_commit_reference(&head_oid); + head_rev = lookup_commit_reference(the_repository, &head_oid); if (!head_rev) die(_("Couldn't look up commit object for HEAD")); } - for (i = 0; i < argc; i++, strbuf_release(&bname)) { + for (i = 0; i < argc; i++, strbuf_reset(&bname)) { char *target = NULL; int flags = 0; @@ -240,7 +238,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE | RESOLVE_REF_ALLOW_BAD_NAME, - oid.hash, &flags); + &oid, &flags); if (!target) { error(remote_branch ? _("remote-tracking branch '%s' not found.") @@ -256,8 +254,8 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, goto next; } - if (delete_ref(NULL, name, is_null_oid(&oid) ? NULL : oid.hash, - REF_NODEREF)) { + if (delete_ref(NULL, name, is_null_oid(&oid) ? NULL : &oid, + REF_NO_DEREF)) { error(remote_branch ? _("Error deleting remote-tracking branch '%s'") : _("Error deleting branch '%s'"), @@ -272,7 +270,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, bname.buf, (flags & REF_ISBROKEN) ? "broken" : (flags & REF_ISSYMREF) ? target - : find_unique_abbrev(oid.hash, DEFAULT_ABBREV)); + : find_unique_abbrev(&oid, DEFAULT_ABBREV)); } delete_branch_config(bname.buf); @@ -281,8 +279,9 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, } free(name); + strbuf_release(&bname); - return(ret); + return ret; } static int calc_maxwidth(struct ref_array *refs, int remote_bonus) @@ -352,7 +351,7 @@ static char *build_format(struct ref_filter *filter, int maxwidth, const char *r strbuf_addf(&obname, "%%(objectname:short=%d)", filter->abbrev); strbuf_addf(&local, "%%(align:%d,left)%%(refname:lstrip=2)%%(end)", maxwidth); - strbuf_addf(&local, "%s", branch_get_color(BRANCH_COLOR_RESET)); + strbuf_addstr(&local, branch_get_color(BRANCH_COLOR_RESET)); strbuf_addf(&local, " %s ", obname.buf); if (filter->verbose > 1) @@ -389,7 +388,6 @@ static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sortin struct ref_array array; int maxwidth = 0; const char *remote_prefix = ""; - struct strbuf out = STRBUF_INIT; char *to_free = NULL; /* @@ -417,7 +415,10 @@ static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sortin ref_array_sort(sorting, &array); for (i = 0; i < array.nr; i++) { - format_ref_array_item(array.items[i], format, &out); + struct strbuf out = STRBUF_INIT; + struct strbuf err = STRBUF_INIT; + if (format_ref_array_item(array.items[i], format, &out, &err)) + die("%s", err.buf); if (column_active(colopts)) { assert(!filter->verbose && "--column and --verbose are incompatible"); /* format to a string_list to let print_columns() do its job */ @@ -426,6 +427,7 @@ static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sortin fwrite(out.buf, 1, out.len, stdout); putchar('\n'); } + strbuf_release(&err); strbuf_release(&out); } @@ -456,15 +458,20 @@ static void reject_rebase_or_bisect_branch(const char *target) free_worktrees(worktrees); } -static void rename_branch(const char *oldname, const char *newname, int force) +static void copy_or_rename_branch(const char *oldname, const char *newname, int copy, int force) { struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT; struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT; + const char *interpreted_oldname = NULL; + const char *interpreted_newname = NULL; int recovery = 0; - int clobber_head_ok; - if (!oldname) - die(_("cannot rename the current branch while not on any.")); + if (!oldname) { + if (copy) + die(_("cannot copy the current branch while not on any.")); + else + die(_("cannot rename the current branch while not on any.")); + } if (strbuf_check_branch_ref(&oldref, oldname)) { /* @@ -481,32 +488,53 @@ static void rename_branch(const char *oldname, const char *newname, int force) * A command like "git branch -M currentbranch currentbranch" cannot * cause the worktree to become inconsistent with HEAD, so allow it. */ - clobber_head_ok = !strcmp(oldname, newname); - - validate_new_branchname(newname, &newref, force, clobber_head_ok); + if (!strcmp(oldname, newname)) + validate_branchname(newname, &newref); + else + validate_new_branchname(newname, &newref, force); reject_rebase_or_bisect_branch(oldref.buf); - strbuf_addf(&logmsg, "Branch: renamed %s to %s", - oldref.buf, newref.buf); + if (!skip_prefix(oldref.buf, "refs/heads/", &interpreted_oldname) || + !skip_prefix(newref.buf, "refs/heads/", &interpreted_newname)) { + BUG("expected prefix missing for refs"); + } + + if (copy) + strbuf_addf(&logmsg, "Branch: copied %s to %s", + oldref.buf, newref.buf); + else + strbuf_addf(&logmsg, "Branch: renamed %s to %s", + oldref.buf, newref.buf); - if (rename_ref(oldref.buf, newref.buf, logmsg.buf)) + if (!copy && rename_ref(oldref.buf, newref.buf, logmsg.buf)) die(_("Branch rename failed")); + if (copy && copy_existing_ref(oldref.buf, newref.buf, logmsg.buf)) + die(_("Branch copy failed")); - if (recovery) - warning(_("Renamed a misnamed branch '%s' away"), oldref.buf + 11); + if (recovery) { + if (copy) + warning(_("Created a copy of a misnamed branch '%s'"), + interpreted_oldname); + else + warning(_("Renamed a misnamed branch '%s' away"), + interpreted_oldname); + } - if (replace_each_worktree_head_symref(oldref.buf, newref.buf, logmsg.buf)) + if (!copy && + replace_each_worktree_head_symref(oldref.buf, newref.buf, logmsg.buf)) die(_("Branch renamed to %s, but HEAD is not updated!"), newname); strbuf_release(&logmsg); - strbuf_addf(&oldsection, "branch.%s", oldref.buf + 11); + strbuf_addf(&oldsection, "branch.%s", interpreted_oldname); strbuf_release(&oldref); - strbuf_addf(&newsection, "branch.%s", newref.buf + 11); + strbuf_addf(&newsection, "branch.%s", interpreted_newname); strbuf_release(&newref); - if (git_config_rename_section(oldsection.buf, newsection.buf) < 0) + if (!copy && git_config_rename_section(oldsection.buf, newsection.buf) < 0) die(_("Branch is renamed, but update of config-file failed")); + if (copy && strcmp(oldname, newname) && git_config_copy_section(oldsection.buf, newsection.buf) < 0) + die(_("Branch is copied, but update of config-file failed")); strbuf_release(&oldsection); strbuf_release(&newsection); } @@ -542,9 +570,17 @@ static int edit_branch_description(const char *branch_name) return 0; } +static int deprecated_reflog_option_cb(const struct option *opt, + const char *arg, int unset) +{ + used_deprecated_reflog_option = 1; + *(int *)opt->value = !unset; + return 0; +} + int cmd_branch(int argc, const char **argv, const char *prefix) { - int delete = 0, rename = 0, force = 0, list = 0; + int delete = 0, rename = 0, copy = 0, force = 0, list = 0; int reflog = 0, edit_description = 0; int quiet = 0, unset_upstream = 0; const char *new_upstream = NULL; @@ -561,8 +597,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix) OPT__QUIET(&quiet, N_("suppress informational messages")), OPT_SET_INT('t', "track", &track, N_("set up tracking mode (see git-pull(1))"), BRANCH_TRACK_EXPLICIT), - OPT_SET_INT( 0, "set-upstream", &track, N_("change upstream info"), - BRANCH_TRACK_OVERRIDE), + OPT_SET_INT_F(0, "set-upstream", &track, N_("do not use"), + BRANCH_TRACK_OVERRIDE, PARSE_OPT_HIDDEN), OPT_STRING('u', "set-upstream-to", &new_upstream, N_("upstream"), N_("change the upstream info")), OPT_BOOL(0, "unset-upstream", &unset_upstream, N_("Unset the upstream info")), OPT__COLOR(&branch_use_color, N_("use colored output")), @@ -581,11 +617,19 @@ int cmd_branch(int argc, const char **argv, const char *prefix) OPT_BIT('D', NULL, &delete, N_("delete branch (even if not merged)"), 2), OPT_BIT('m', "move", &rename, N_("move/rename a branch and its reflog"), 1), OPT_BIT('M', NULL, &rename, N_("move/rename a branch, even if target exists"), 2), + OPT_BIT('c', "copy", ©, N_("copy a branch and its reflog"), 1), + OPT_BIT('C', NULL, ©, N_("copy a branch, even if target exists"), 2), OPT_BOOL(0, "list", &list, N_("list branch names")), - OPT_BOOL('l', "create-reflog", &reflog, N_("create the branch's reflog")), + OPT_BOOL(0, "create-reflog", &reflog, N_("create the branch's reflog")), + { + OPTION_CALLBACK, 'l', NULL, &reflog, NULL, + N_("deprecated synonym for --create-reflog"), + PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, + deprecated_reflog_option_cb + }, OPT_BOOL(0, "edit-description", &edit_description, N_("edit the description for the branch")), - OPT__FORCE(&force, N_("force creation, move/rename, deletion")), + OPT__FORCE(&force, N_("force creation, move/rename, deletion"), PARSE_OPT_NOCOMPLETE), OPT_MERGED(&filter, N_("print only branches that are merged")), OPT_NO_MERGED(&filter, N_("print only branches that are not merged")), OPT_COLUMN(0, "column", &colopts, N_("list branches in columns")), @@ -613,7 +657,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix) track = git_branch_track; - head = resolve_refdup("HEAD", 0, head_oid.hash, NULL); + head = resolve_refdup("HEAD", 0, &head_oid, NULL); if (!head) die(_("Failed to resolve HEAD as a valid ref.")); if (!strcmp(head, "HEAD")) @@ -624,14 +668,14 @@ int cmd_branch(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, options, builtin_branch_usage, 0); - if (!delete && !rename && !edit_description && !new_upstream && !unset_upstream && argc == 0) + if (!delete && !rename && !copy && !edit_description && !new_upstream && !unset_upstream && argc == 0) list = 1; if (filter.with_commit || filter.merge != REF_FILTER_MERGED_NONE || filter.points_at.nr || filter.no_commit) list = 1; - if (!!delete + !!rename + !!new_upstream + + if (!!delete + !!rename + !!copy + !!new_upstream + list + unset_upstream > 1) usage_with_options(builtin_branch_usage, options); @@ -649,6 +693,15 @@ int cmd_branch(int argc, const char **argv, const char *prefix) if (force) { delete *= 2; rename *= 2; + copy *= 2; + } + + if (list) + setup_auto_pager("branch", 1); + + if (used_deprecated_reflog_option && !list) { + warning("the '-l' alias for '--create-reflog' is deprecated;"); + warning("it will be removed in a future version of Git"); } if (delete) { @@ -664,7 +717,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix) * If no sorting parameter is given then we default to sorting * by 'refname'. This would give us an alphabetically sorted * array with the 'HEAD' ref at the beginning followed by - * local branches 'refs/heads/...' and finally remote-tacking + * local branches 'refs/heads/...' and finally remote-tracking * branches 'refs/remotes/...'. */ if (!sorting) @@ -703,20 +756,29 @@ int cmd_branch(int argc, const char **argv, const char *prefix) if (edit_branch_description(branch_name)) return 1; + } else if (copy) { + if (!argc) + die(_("branch name required")); + else if (argc == 1) + copy_or_rename_branch(head, argv[0], 1, copy > 1); + else if (argc == 2) + copy_or_rename_branch(argv[0], argv[1], 1, copy > 1); + else + die(_("too many branches for a copy operation")); } else if (rename) { if (!argc) die(_("branch name required")); else if (argc == 1) - rename_branch(head, argv[0], rename > 1); + copy_or_rename_branch(head, argv[0], 0, rename > 1); else if (argc == 2) - rename_branch(argv[0], argv[1], rename > 1); + copy_or_rename_branch(argv[0], argv[1], 0, rename > 1); else - die(_("too many branches for a rename operation")); + die(_("too many arguments for a rename operation")); } else if (new_upstream) { struct branch *branch = branch_get(argv[0]); if (argc > 1) - die(_("too many branches to set new upstream")); + die(_("too many arguments to set new upstream")); if (!branch) { if (!argc || !strcmp(argv[0], "HEAD")) @@ -739,7 +801,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix) struct strbuf buf = STRBUF_INIT; if (argc > 1) - die(_("too many branches to unset upstream")); + die(_("too many arguments to unset upstream")); if (!branch) { if (!argc || !strcmp(argv[0], "HEAD")) @@ -759,11 +821,6 @@ int cmd_branch(int argc, const char **argv, const char *prefix) strbuf_release(&buf); } else if (argc > 0 && argc <= 2) { struct branch *branch = branch_get(argv[0]); - int branch_existed = 0, remote_tracking = 0; - struct strbuf buf = STRBUF_INIT; - - if (!strcmp(argv[0], "HEAD")) - die(_("it does not make sense to create 'HEAD' manually")); if (!branch) die(_("no such branch '%s'"), argv[0]); @@ -772,27 +829,10 @@ int cmd_branch(int argc, const char **argv, const char *prefix) die(_("-a and -r options to 'git branch' do not make sense with a branch name")); if (track == BRANCH_TRACK_OVERRIDE) - fprintf(stderr, _("The --set-upstream flag is deprecated and will be removed. Consider using --track or --set-upstream-to\n")); - - strbuf_addf(&buf, "refs/remotes/%s", branch->name); - remote_tracking = ref_exists(buf.buf); - strbuf_release(&buf); + die(_("the '--set-upstream' option is no longer supported. Please use '--track' or '--set-upstream-to' instead.")); - branch_existed = ref_exists(branch->refname); create_branch(argv[0], (argc == 2) ? argv[1] : head, - force, reflog, 0, quiet, track); - - /* - * We only show the instructions if the user gave us - * one branch which doesn't exist locally, but is the - * name of a remote-tracking branch. - */ - if (argc == 1 && track == BRANCH_TRACK_OVERRIDE && - !branch_existed && remote_tracking) { - fprintf(stderr, _("\nIf you wanted to make '%s' track '%s', do this:\n\n"), head, branch->name); - fprintf(stderr, " git branch -d %s\n", branch->name); - fprintf(stderr, " git branch --set-upstream-to %s\n", branch->name); - } + force, 0, reflog, quiet, track); } else usage_with_options(builtin_branch_usage, options); |