1 files changed, 45 insertions, 30 deletions

diff --git a/ref-filter.c b/ref-filter.c
index aa260bf..ee337df 100644
--- a/ref-filter.c
+++ b/ref-filter.c
@@ -1536,36 +1536,27 @@ char *get_head_description(void)
 	struct wt_status_state state;
 	memset(&state, 0, sizeof(state));
 	wt_status_get_state(the_repository, &state, 1);
-
-	/*
-	 * The ( character must be hard-coded and not part of a localizable
-	 * string, since the description is used as a sort key and compared
-	 * with ref names.
-	 */
-	strbuf_addch(&desc, '(');
 	if (state.rebase_in_progress ||
 	    state.rebase_interactive_in_progress) {
 		if (state.branch)
-			strbuf_addf(&desc, _("no branch, rebasing %s"),
+			strbuf_addf(&desc, _("(no branch, rebasing %s)"),
 				    state.branch);
 		else
-			strbuf_addf(&desc, _("no branch, rebasing detached HEAD %s"),
+			strbuf_addf(&desc, _("(no branch, rebasing detached HEAD %s)"),
 				    state.detached_from);
 	} else if (state.bisect_in_progress)
-		strbuf_addf(&desc, _("no branch, bisect started on %s"),
+		strbuf_addf(&desc, _("(no branch, bisect started on %s)"),
 			    state.branch);
 	else if (state.detached_from) {
 		if (state.detached_at)
-			strbuf_addstr(&desc, HEAD_DETACHED_AT);
+			strbuf_addf(&desc, _("(HEAD detached at %s)"),
+				state.detached_from);
 		else
-			strbuf_addstr(&desc, HEAD_DETACHED_FROM);
-		strbuf_addstr(&desc, state.detached_from);
-	}
-	else
-		strbuf_addstr(&desc, _("no branch"));
-	strbuf_addch(&desc, ')');
+			strbuf_addf(&desc, _("(HEAD detached from %s)"),
+				state.detached_from);
+	} else
+		strbuf_addstr(&desc, _("(no branch)"));
 
-	wt_status_state_free_buffers(&state);
 	return strbuf_detach(&desc, NULL);
 }
 
@@ -2350,12 +2341,24 @@ int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int
 	return ret;
 }
 
+static int compare_detached_head(struct ref_array_item *a, struct ref_array_item *b)
+{
+	if (!(a->kind ^ b->kind))
+		BUG("ref_kind_from_refname() should only mark one ref as HEAD");
+	if (a->kind & FILTER_REFS_DETACHED_HEAD)
+		return -1;
+	else if (b->kind & FILTER_REFS_DETACHED_HEAD)
+		return 1;
+	BUG("should have died in the xor check above");
+	return 0;
+}
+
 static int cmp_ref_sorting(struct ref_sorting *s, struct ref_array_item *a, struct ref_array_item *b)
 {
 	struct atom_value *va, *vb;
 	int cmp;
+	int cmp_detached_head = 0;
 	cmp_type cmp_type = used_atom[s->atom].type;
-	int (*cmp_fn)(const char *, const char *);
 	struct strbuf err = STRBUF_INIT;
 
 	if (get_ref_atom_value(a, s->atom, &va, &err))
@@ -2363,12 +2366,18 @@ static int cmp_ref_sorting(struct ref_sorting *s, struct ref_array_item *a, stru
 	if (get_ref_atom_value(b, s->atom, &vb, &err))
 		die("%s", err.buf);
 	strbuf_release(&err);
-	cmp_fn = s->ignore_case ? strcasecmp : strcmp;
-	if (s->version)
+	if (s->sort_flags & REF_SORTING_DETACHED_HEAD_FIRST &&
+	    ((a->kind | b->kind) & FILTER_REFS_DETACHED_HEAD)) {
+		cmp = compare_detached_head(a, b);
+		cmp_detached_head = 1;
+	} else if (s->sort_flags & REF_SORTING_VERSION) {
 		cmp = versioncmp(va->s, vb->s);
-	else if (cmp_type == FIELD_STR)
+	} else if (cmp_type == FIELD_STR) {
+		int (*cmp_fn)(const char *, const char *);
+		cmp_fn = s->sort_flags & REF_SORTING_ICASE
+			? strcasecmp : strcmp;
 		cmp = cmp_fn(va->s, vb->s);
-	else {
+	} else {
 		if (va->value < vb->value)
 			cmp = -1;
 		else if (va->value == vb->value)
@@ -2377,7 +2386,8 @@ static int cmp_ref_sorting(struct ref_sorting *s, struct ref_array_item *a, stru
 			cmp = 1;
 	}
 
-	return (s->reverse) ? -cmp : cmp;
+	return (s->sort_flags & REF_SORTING_REVERSE && !cmp_detached_head)
+		? -cmp : cmp;
 }
 
 static int compare_refs(const void *a_, const void *b_, void *ref_sorting)
@@ -2392,15 +2402,20 @@ static int compare_refs(const void *a_, const void *b_, void *ref_sorting)
 			return cmp;
 	}
 	s = ref_sorting;
-	return s && s->ignore_case ?
+	return s && s->sort_flags & REF_SORTING_ICASE ?
 		strcasecmp(a->refname, b->refname) :
 		strcmp(a->refname, b->refname);
 }
 
-void ref_sorting_icase_all(struct ref_sorting *sorting, int flag)
+void ref_sorting_set_sort_flags_all(struct ref_sorting *sorting,
+				    unsigned int mask, int on)
 {
-	for (; sorting; sorting = sorting->next)
-		sorting->ignore_case = !!flag;
+	for (; sorting; sorting = sorting->next) {
+		if (on)
+			sorting->sort_flags |= mask;
+		else
+			sorting->sort_flags &= ~mask;
+	}
 }
 
 void ref_array_sort(struct ref_sorting *sorting, struct ref_array *array)
@@ -2537,12 +2552,12 @@ void parse_ref_sorting(struct ref_sorting **sorting_tail, const char *arg)
 	*sorting_tail = s;
 
 	if (*arg == '-') {
-		s->reverse = 1;
+		s->sort_flags |= REF_SORTING_REVERSE;
 		arg++;
 	}
 	if (skip_prefix(arg, "version:", &arg) ||
 	    skip_prefix(arg, "v:", &arg))
-		s->version = 1;
+		s->sort_flags |= REF_SORTING_VERSION;
 	s->atom = parse_sorting_atom(arg);
 }