stash: convert branch to builtin
[gitweb.git] / builtin / reflog.c
index 2067cca5b1ec4ed141a3e404cb7738c9b0ebc5d9..7a85e4b1640b12d4c8f7958cb59b66e037fd2ce2 100644 (file)
@@ -1,6 +1,8 @@
 #include "builtin.h"
 #include "config.h"
 #include "lockfile.h"
+#include "object-store.h"
+#include "repository.h"
 #include "commit.h"
 #include "refs.h"
 #include "dir.h"
@@ -8,6 +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[] =
@@ -42,7 +45,7 @@ struct expire_reflog_policy_cb {
 };
 
 struct collected_reflog {
-       unsigned char sha1[20];
+       struct object_id oid;
        char reflog[FLEX_ARRAY];
 };
 
@@ -50,8 +53,10 @@ struct collect_reflog_cb {
        struct collected_reflog **e;
        int alloc;
        int nr;
+       struct worktree *wt;
 };
 
+/* Remember to update object flag allocation in object.h */
 #define INCOMPLETE     (1u<<10)
 #define STUDYING       (1u<<11)
 #define REACHABLE      (1u<<12)
@@ -63,7 +68,7 @@ static int tree_is_complete(const struct object_id *oid)
        int complete;
        struct tree *tree;
 
-       tree = lookup_tree(oid);
+       tree = lookup_tree(the_repository, oid);
        if (!tree)
                return 0;
        if (tree->object.flags & SEEN)
@@ -74,7 +79,7 @@ static int tree_is_complete(const struct object_id *oid)
        if (!tree->buffer) {
                enum object_type type;
                unsigned long size;
-               void *data = read_sha1_file(oid->hash, &type, &size);
+               void *data = read_object_file(oid, &type, &size);
                if (!data) {
                        tree->object.flags |= INCOMPLETE;
                        return 0;
@@ -127,7 +132,7 @@ static int commit_is_complete(struct commit *commit)
                struct commit_list *parent;
 
                c = (struct commit *)object_array_pop(&study);
-               if (!c->object.parsed && !parse_object(&c->object.oid))
+               if (!c->object.parsed && !parse_object(the_repository, &c->object.oid))
                        c->object.flags |= INCOMPLETE;
 
                if (c->object.flags & INCOMPLETE) {
@@ -153,7 +158,7 @@ static int commit_is_complete(struct commit *commit)
                for (i = 0; i < found.nr; i++) {
                        struct commit *c =
                                (struct commit *)found.objects[i].item;
-                       if (!tree_is_complete(&c->tree->object.oid)) {
+                       if (!tree_is_complete(get_commit_tree_oid(c))) {
                                is_incomplete = 1;
                                c->object.flags |= INCOMPLETE;
                        }
@@ -193,7 +198,7 @@ static int keep_entry(struct commit **it, struct object_id *oid)
 
        if (is_null_oid(oid))
                return 1;
-       commit = lookup_commit_reference_gently(oid, 1);
+       commit = lookup_commit_reference_gently(the_repository, oid, 1);
        if (!commit)
                return 0;
 
@@ -262,7 +267,8 @@ static int unreachable(struct expire_reflog_policy_cb *cb, struct commit *commit
                if (is_null_oid(oid))
                        return 0;
 
-               commit = lookup_commit_reference_gently(oid, 1);
+               commit = lookup_commit_reference_gently(the_repository, oid,
+                                                       1);
 
                /* Not a commit -- keep it */
                if (!commit)
@@ -289,20 +295,20 @@ static int should_expire_reflog_ent(struct object_id *ooid, struct object_id *no
                                    const char *message, void *cb_data)
 {
        struct expire_reflog_policy_cb *cb = cb_data;
-       struct commit *old, *new;
+       struct commit *old_commit, *new_commit;
 
        if (timestamp < cb->cmd.expire_total)
                return 1;
 
-       old = new = NULL;
+       old_commit = new_commit = NULL;
        if (cb->cmd.stalefix &&
-           (!keep_entry(&old, ooid) || !keep_entry(&new, noid)))
+           (!keep_entry(&old_commit, ooid) || !keep_entry(&new_commit, noid)))
                return 1;
 
        if (timestamp < cb->cmd.expire_unreachable) {
                if (cb->unreachable_expire_kind == UE_ALWAYS)
                        return 1;
-               if (unreachable(cb, old, ooid) || unreachable(cb, new, noid))
+               if (unreachable(cb, old_commit, ooid) || unreachable(cb, new_commit, noid))
                        return 1;
        }
 
@@ -319,24 +325,39 @@ static int push_tip_to_list(const char *refname, const struct object_id *oid,
        struct commit *tip_commit;
        if (flags & REF_ISSYMREF)
                return 0;
-       tip_commit = lookup_commit_reference_gently(oid, 1);
+       tip_commit = lookup_commit_reference_gently(the_repository, oid, 1);
        if (!tip_commit)
                return 0;
        commit_list_insert(tip_commit, list);
        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 {
-               cb->tip_commit = lookup_commit_reference_gently(oid, 1);
+               cb->tip_commit = lookup_commit_reference_gently(the_repository,
+                                                               oid, 1);
                if (!cb->tip_commit)
                        cb->unreachable_expire_kind = UE_ALWAYS;
                else
@@ -383,9 +404,20 @@ 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;
 
-       FLEX_ALLOC_STR(e, reflog, ref);
-       hashcpy(e->sha1, oid->hash);
+       /*
+        * 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);
+
+       oidcpy(&e->oid, oid);
        ALLOC_GROW(cb->e, cb->nr + 1, cb->alloc);
        cb->e[cb->nr++] = e;
        return 0;
@@ -416,16 +448,6 @@ static struct reflog_expire_cfg *find_cfg_ent(const char *pattern, size_t len)
        return ent;
 }
 
-static int parse_expire_cfg_value(const char *var, const char *value, timestamp_t *expire)
-{
-       if (!value)
-               return config_error_nonbool(var);
-       if (parse_expiry_date(value, expire))
-               return error(_("'%s' for '%s' is not a valid timestamp"),
-                            value, var);
-       return 0;
-}
-
 /* expiry timer slot */
 #define EXPIRE_TOTAL   01
 #define EXPIRE_UNREACH 02
@@ -443,11 +465,11 @@ static int reflog_expire_config(const char *var, const char *value, void *cb)
 
        if (!strcmp(key, "reflogexpire")) {
                slot = EXPIRE_TOTAL;
-               if (parse_expire_cfg_value(var, value, &expire))
+               if (git_config_expiry_date(&expire, var, value))
                        return -1;
        } else if (!strcmp(key, "reflogexpireunreachable")) {
                slot = EXPIRE_UNREACH;
-               if (parse_expire_cfg_value(var, value, &expire))
+               if (git_config_expiry_date(&expire, var, value))
                        return -1;
        } else
                return git_default_config(var, value, cb);
@@ -517,7 +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;
 
@@ -554,6 +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, "--")) {
@@ -572,7 +596,7 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
         * from reflog if the repository was pruned with older git.
         */
        if (cb.cmd.stalefix) {
-               init_revisions(&cb.cmd.revs, prefix);
+               repo_init_revisions(the_repository, &cb.cmd.revs, prefix);
                if (flags & EXPIRE_REFLOGS_VERBOSE)
                        printf("Marking reachable objects...");
                mark_reachable_objects(&cb.cmd.revs, 0, 0, NULL);
@@ -582,14 +606,23 @@ 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);
-                       status |= reflog_expire(e->reflog, e->sha1, flags,
+                       status |= reflog_expire(e->reflog, &e->oid, flags,
                                                reflog_expiry_prepare,
                                                should_expire_reflog_ent,
                                                reflog_expiry_cleanup,
@@ -601,13 +634,13 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
 
        for (; i < argc; i++) {
                char *ref;
-               unsigned char sha1[20];
-               if (!dwim_log(argv[i], strlen(argv[i]), sha1, &ref)) {
+               struct object_id oid;
+               if (!dwim_log(argv[i], strlen(argv[i]), &oid, &ref)) {
                        status |= error("%s points nowhere!", argv[i]);
                        continue;
                }
                set_reflog_expiry_param(&cb.cmd, explicit_expiry, ref);
-               status |= reflog_expire(ref, sha1, flags,
+               status |= reflog_expire(ref, &oid, flags,
                                        reflog_expiry_prepare,
                                        should_expire_reflog_ent,
                                        reflog_expiry_cleanup,
@@ -659,7 +692,7 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
 
        for ( ; i < argc; i++) {
                const char *spec = strstr(argv[i], "@{");
-               unsigned char sha1[20];
+               struct object_id oid;
                char *ep, *ref;
                int recno;
 
@@ -668,7 +701,7 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
                        continue;
                }
 
-               if (!dwim_log(argv[i], spec - argv[i], sha1, &ref)) {
+               if (!dwim_log(argv[i], spec - argv[i], &oid, &ref)) {
                        status |= error("no reflog for '%s'", argv[i]);
                        continue;
                }
@@ -683,7 +716,7 @@ static int cmd_reflog_delete(int argc, const char **argv, const char *prefix)
                        cb.cmd.expire_total = 0;
                }
 
-               status |= reflog_expire(ref, sha1, flags,
+               status |= reflog_expire(ref, &oid, flags,
                                        reflog_expiry_prepare,
                                        should_expire_reflog_ent,
                                        reflog_expiry_cleanup,