Add a place for (not) sharing stuff between worktrees

diff --git a/refs.c b/refs.c
index 5b412c61efb94cfd4549c68ac561b596dbf0463e..1bc4ed301bcb3068d2aab84333f1a7c50fa24821 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -490,16 +490,24 @@ static const char *ref_rev_parse_rules[] = {
        NULL
 };
 
+#define NUM_REV_PARSE_RULES (ARRAY_SIZE(ref_rev_parse_rules) - 1)
+
+/*
+ * Is it possible that the caller meant full_name with abbrev_name?
+ * If so return a non-zero value to signal "yes"; the magnitude of
+ * the returned value gives the precedence used for disambiguation.
+ *
+ * If abbrev_name cannot mean full_name, return 0.
+ */
 int refname_match(const char *abbrev_name, const char *full_name)
 {
        const char **p;
        const int abbrev_name_len = strlen(abbrev_name);
+       const int num_rules = NUM_REV_PARSE_RULES;
 
-       for (p = ref_rev_parse_rules; *p; p++) {
-               if (!strcmp(full_name, mkpath(*p, abbrev_name_len, abbrev_name))) {
-                       return 1;
-               }
-       }
+       for (p = ref_rev_parse_rules; *p; p++)
+               if (!strcmp(full_name, mkpath(*p, abbrev_name_len, abbrev_name)))
+                       return &ref_rev_parse_rules[num_rules] - p;
 
        return 0;
 }
@@ -616,6 +624,7 @@ int dwim_log(const char *str, int len, struct object_id *oid, char **log)
 static int is_per_worktree_ref(const char *refname)
 {
        return !strcmp(refname, "HEAD") ||
+               starts_with(refname, "refs/worktree/") ||
                starts_with(refname, "refs/bisect/") ||
                starts_with(refname, "refs/rewritten/");
 }
@@ -638,7 +647,7 @@ enum ref_type ref_type(const char *refname)
                return REF_TYPE_PER_WORKTREE;
        if (is_pseudoref_syntax(refname))
                return REF_TYPE_PSEUDOREF;
-       return REF_TYPE_NORMAL;
+       return REF_TYPE_NORMAL;
 }
 
 long get_files_ref_lock_timeout_ms(void)
@@ -694,7 +703,7 @@ static int write_pseudoref(const char *pseudoref, const struct object_id *oid,
                                    pseudoref);
                        rollback_lock_file(&lock);
                        goto done;
-               } else if (oidcmp(&actual_old_oid, old_oid)) {
+               } else if (!oideq(&actual_old_oid, old_oid)) {
                        strbuf_addf(err, _("unexpected object ID when writing '%s'"),
                                    pseudoref);
                        rollback_lock_file(&lock);
@@ -736,7 +745,7 @@ static int delete_pseudoref(const char *pseudoref, const struct object_id *old_o
                }
                if (read_ref(pseudoref, &actual_old_oid))
                        die(_("could not read ref '%s'"), pseudoref);
-               if (oidcmp(&actual_old_oid, old_oid)) {
+               if (!oideq(&actual_old_oid, old_oid)) {
                        error(_("unexpected object ID when deleting '%s'"),
                              pseudoref);
                        rollback_lock_file(&lock);
@@ -867,13 +876,13 @@ static int read_ref_at_ent(struct object_id *ooid, struct object_id *noid,
                 */
                if (!is_null_oid(&cb->ooid)) {
                        oidcpy(cb->oid, noid);
-                       if (oidcmp(&cb->ooid, noid))
+                       if (!oideq(&cb->ooid, noid))
                                warning(_("log for ref %s has gap after %s"),
                                        cb->refname, show_date(cb->date, cb->tz, DATE_MODE(RFC2822)));
                }
                else if (cb->date == cb->at_time)
                        oidcpy(cb->oid, noid);
-               else if (oidcmp(noid, cb->oid))
+               else if (!oideq(noid, cb->oid))
                        warning(_("log for ref %s unexpectedly ended on %s"),
                                cb->refname, show_date(cb->date, cb->tz,
                                                       DATE_MODE(RFC2822)));