Merge branch 'ds/close-object-store' into maint
[gitweb.git] / builtin / branch.c
index 8dcc2ed058be6e653f885e48c9aa5f465a5f9749..8e243cf8c2fe094ec332150761f7434287d6e96b 100644 (file)
@@ -22,6 +22,8 @@
 #include "wt-status.h"
 #include "ref-filter.h"
 #include "worktree.h"
+#include "help.h"
+#include "commit-reach.h"
 
 static const char * const builtin_branch_usage[] = {
        N_("git branch [<options>] [-r | -a] [--merged | --no-merged]"),
@@ -55,29 +57,31 @@ 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)
 {
        const char *slot_name;
+       struct ref_sorting **sorting_tail = (struct ref_sorting **)cb;
+
+       if (!strcmp(var, "branch.sort")) {
+               if (!value)
+                       return config_error_nonbool(var);
+               parse_ref_sorting(sorting_tail, value);
+               return 0;
+       }
 
        if (starts_with(var, "column."))
                return git_column_config(var, value, "branch", &colopts);
@@ -86,7 +90,7 @@ 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)
@@ -126,7 +130,8 @@ static int branch_merged(int kind, const char *name,
                    (reference_name = reference_name_to_free =
                     resolve_refdup(upstream, RESOLVE_REF_READING,
                                    &oid, NULL)) != NULL)
-                       reference_rev = lookup_commit_reference(&oid);
+                       reference_rev = lookup_commit_reference(the_repository,
+                                                               &oid);
        }
        if (!reference_rev)
                reference_rev = head_rev;
@@ -159,7 +164,7 @@ 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;
@@ -213,7 +218,7 @@ 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"));
        }
@@ -273,7 +278,7 @@ 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);
 
@@ -391,7 +396,6 @@ 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;
 
        /*
@@ -419,7 +423,10 @@ 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 */
@@ -428,6 +435,7 @@ 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);
        }
 
@@ -435,6 +443,21 @@ static void print_ref_list(struct ref_filter *filter, struct ref_sorting *sortin
        free(to_free);
 }
 
+static void print_current_branch_name(void)
+{
+       int flags;
+       const char *refname = resolve_ref_unsafe("HEAD", 0, NULL, &flags);
+       const char *shortname;
+       if (!refname)
+               die(_("could not resolve HEAD"));
+       else if (!(flags & REF_ISSYMREF))
+               return;
+       else if (skip_prefix(refname, "refs/heads/", &shortname))
+               puts(shortname);
+       else
+               die(_("HEAD (%s) points outside of refs/heads/"), refname);
+}
+
 static void reject_rebase_or_bisect_branch(const char *target)
 {
        struct worktree **worktrees = get_worktrees(0);
@@ -497,7 +520,7 @@ static void copy_or_rename_branch(const char *oldname, const char *newname, int
 
        if (!skip_prefix(oldref.buf, "refs/heads/", &interpreted_oldname) ||
            !skip_prefix(newref.buf, "refs/heads/", &interpreted_newname)) {
-               die("BUG: expected prefix missing for refs");
+               BUG("expected prefix missing for refs");
        }
 
        if (copy)
@@ -573,6 +596,7 @@ static int edit_branch_description(const char *branch_name)
 int cmd_branch(int argc, const char **argv, const char *prefix)
 {
        int delete = 0, rename = 0, copy = 0, force = 0, list = 0;
+       int show_current = 0;
        int reflog = 0, edit_description = 0;
        int quiet = 0, unset_upstream = 0;
        const char *new_upstream = NULL;
@@ -589,8 +613,8 @@ 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),
-               { OPTION_SET_INT, 0, "set-upstream", &track, NULL, N_("do not use"),
-                       PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 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")),
@@ -611,16 +635,16 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                OPT_BIT('M', NULL, &rename, N_("move/rename a branch, even if target exists"), 2),
                OPT_BIT('c', "copy", &copy, N_("copy a branch and its reflog"), 1),
                OPT_BIT('C', NULL, &copy, 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('l', "list", &list, N_("list branch names")),
+               OPT_BOOL(0, "show-current", &show_current, N_("show current branch name")),
+               OPT_BOOL(0, "create-reflog", &reflog, N_("create the branch's reflog")),
                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")),
-               OPT_CALLBACK(0 , "sort", sorting_tail, N_("key"),
-                            N_("field name to sort on"), &parse_opt_ref_sorting),
+               OPT_REF_SORT(sorting_tail),
                {
                        OPTION_CALLBACK, 0, "points-at", &filter.points_at, N_("object"),
                        N_("print only branches of the object"), 0, parse_opt_object_name
@@ -639,7 +663,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        if (argc == 2 && !strcmp(argv[1], "-h"))
                usage_with_options(builtin_branch_usage, options);
 
-       git_config(git_branch_config, NULL);
+       git_config(git_branch_config, sorting_tail);
 
        track = git_branch_track;
 
@@ -654,14 +678,15 @@ 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 && !copy && !edit_description && !new_upstream && !unset_upstream && argc == 0)
+       if (!delete && !rename && !copy && !edit_description && !new_upstream &&
+           !show_current && !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 + !!copy + !!new_upstream +
+       if (!!delete + !!rename + !!copy + !!new_upstream + !!show_current +
            list + unset_upstream > 1)
                usage_with_options(builtin_branch_usage, options);
 
@@ -689,6 +714,9 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                if (!argc)
                        die(_("branch name required"));
                return delete_branches(argc, argv, delete > 1, filter.kind, quiet);
+       } else if (show_current) {
+               print_current_branch_name();
+               return 0;
        } else if (list) {
                /*  git branch --local also shows HEAD when it is detached */
                if ((filter.kind & FILTER_REFS_BRANCHES) && filter.detached)
@@ -698,7 +726,7 @@ 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)
@@ -708,8 +736,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                print_columns(&output, colopts, NULL);
                string_list_clear(&output, 0);
                return 0;
-       }
-       else if (edit_description) {
+       } else if (edit_description) {
                const char *branch_name;
                struct strbuf branch_ref = STRBUF_INIT;
 
@@ -776,7 +803,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                 * create_branch takes care of setting up the tracking
                 * info and making sure new_upstream is correct
                 */
-               create_branch(branch->name, new_upstream, 0, 0, 0, quiet, BRANCH_TRACK_OVERRIDE);
+               create_branch(the_repository, branch->name, new_upstream,
+                             0, 0, 0, quiet, BRANCH_TRACK_OVERRIDE);
        } else if (unset_upstream) {
                struct branch *branch = branch_get(argv[0]);
                struct strbuf buf = STRBUF_INIT;
@@ -801,18 +829,15 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                git_config_set_multivar(buf.buf, NULL, NULL, 1);
                strbuf_release(&buf);
        } else if (argc > 0 && argc <= 2) {
-               struct branch *branch = branch_get(argv[0]);
-
-               if (!branch)
-                       die(_("no such branch '%s'"), argv[0]);
-
                if (filter.kind != FILTER_REFS_BRANCHES)
-                       die(_("-a and -r options to 'git branch' do not make sense with a branch name"));
+                       die(_("The -a, and -r, options to 'git branch' do not take a branch name.\n"
+                                 "Did you mean to use: -a|-r --list <pattern>?"));
 
                if (track == BRANCH_TRACK_OVERRIDE)
                        die(_("the '--set-upstream' option is no longer supported. Please use '--track' or '--set-upstream-to' instead."));
 
-               create_branch(argv[0], (argc == 2) ? argv[1] : head,
+               create_branch(the_repository,
+                             argv[0], (argc == 2) ? argv[1] : head,
                              force, 0, reflog, quiet, track);
 
        } else