stash: convert branch to builtin

diff --git a/builtin/reflog.c b/builtin/reflog.c
index b5941c1ff325b981593f0e54fd7f32f956696d8d..7a85e4b1640b12d4c8f7958cb59b66e037fd2ce2 100644 (file)
--- a/builtin/reflog.c
+++ b/builtin/reflog.c
@@ -10,6 +10,7 @@
 #include "diff.h"
 #include "revision.h"
 #include "reachable.h"
+#include "worktree.h"
 
 /* NEEDSWORK: switch to using parse_options */
 static const char reflog_expire_usage[] =
@@ -52,6 +53,7 @@ struct collect_reflog_cb {
        struct collected_reflog **e;
        int alloc;
        int nr;
+       struct worktree *wt;
 };
 
 /* Remember to update object flag allocation in object.h */
@@ -330,13 +332,27 @@ static int push_tip_to_list(const char *refname, const struct object_id *oid,
        return 0;
 }
 
+static int is_head(const char *refname)
+{
+       switch (ref_type(refname)) {
+       case REF_TYPE_OTHER_PSEUDOREF:
+       case REF_TYPE_MAIN_PSEUDOREF:
+               if (parse_worktree_ref(refname, NULL, NULL, &refname))
+                       BUG("not a worktree ref: %s", refname);
+               break;
+       default:
+               break;
+       }
+       return !strcmp(refname, "HEAD");
+}
+
 static void reflog_expiry_prepare(const char *refname,
                                  const struct object_id *oid,
                                  void *cb_data)
 {
        struct expire_reflog_policy_cb *cb = cb_data;
 
-       if (!cb->cmd.expire_unreachable || !strcmp(refname, "HEAD")) {
+       if (!cb->cmd.expire_unreachable || is_head(refname)) {
                cb->tip_commit = NULL;
                cb->unreachable_expire_kind = UE_HEAD;
        } else {
@@ -388,8 +404,19 @@ static int collect_reflog(const char *ref, const struct object_id *oid, int unus
 {
        struct collected_reflog *e;
        struct collect_reflog_cb *cb = cb_data;
+       struct strbuf newref = STRBUF_INIT;
+
+       /*
+        * Avoid collecting the same shared ref multiple times because
+        * they are available via all worktrees.
+        */
+       if (!cb->wt->is_current && ref_type(ref) == REF_TYPE_NORMAL)
+               return 0;
+
+       strbuf_worktree_ref(cb->wt, &newref, ref);
+       FLEX_ALLOC_STR(e, reflog, newref.buf);
+       strbuf_release(&newref);
 
-       FLEX_ALLOC_STR(e, reflog, ref);
        oidcpy(&e->oid, oid);
        ALLOC_GROW(cb->e, cb->nr + 1, cb->alloc);
        cb->e[cb->nr++] = e;
@@ -512,7 +539,7 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
 {
        struct expire_reflog_policy_cb cb;
        timestamp_t now = time(NULL);
-       int i, status, do_all;
+       int i, status, do_all, all_worktrees = 1;
        int explicit_expiry = 0;
        unsigned int flags = 0;
 
@@ -549,6 +576,8 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
                        flags |= EXPIRE_REFLOGS_UPDATE_REF;
                else if (!strcmp(arg, "--all"))
                        do_all = 1;
+               else if (!strcmp(arg, "--single-worktree"))
+                       all_worktrees = 0;
                else if (!strcmp(arg, "--verbose"))
                        flags |= EXPIRE_REFLOGS_VERBOSE;
                else if (!strcmp(arg, "--")) {
@@ -577,10 +606,19 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
 
        if (do_all) {
                struct collect_reflog_cb collected;
+               struct worktree **worktrees, **p;
                int i;
 
                memset(&collected, 0, sizeof(collected));
-               for_each_reflog(collect_reflog, &collected);
+               worktrees = get_worktrees(0);
+               for (p = worktrees; *p; p++) {
+                       if (!all_worktrees && !(*p)->is_current)
+                               continue;
+                       collected.wt = *p;
+                       refs_for_each_reflog(get_worktree_ref_store(*p),
+                                            collect_reflog, &collected);
+               }
+               free_worktrees(worktrees);
                for (i = 0; i < collected.nr; i++) {
                        struct collected_reflog *e = collected.e[i];
                        set_reflog_expiry_param(&cb.cmd, explicit_expiry, e->reflog);