Merge branch 'cc/replace-no-replace'
[gitweb.git] / builtin-fsck.c
index aecc8280a0aedb37437ccce446f3382ccba08829..c58b0e337ed434ffb90cfb5c80540531d94a4a6a 100644 (file)
@@ -23,6 +23,7 @@ static int check_full;
 static int check_strict;
 static int keep_cache_objects;
 static unsigned char head_sha1[20];
+static const char *head_points_at;
 static int errors_found;
 static int write_lost_and_found;
 static int verbose;
@@ -103,7 +104,7 @@ static int mark_object(struct object *obj, int type, void *data)
 
 static void mark_object_reachable(struct object *obj)
 {
-       mark_object(obj, OBJ_ANY, 0);
+       mark_object(obj, OBJ_ANY, NULL);
 }
 
 static int traverse_one_object(struct object *obj, struct object *parent)
@@ -159,7 +160,7 @@ static void check_reachable_object(struct object *obj)
         * do a full fsck
         */
        if (!obj->parsed) {
-               if (has_sha1_pack(obj->sha1, NULL))
+               if (has_sha1_pack(obj->sha1))
                        return; /* it is in pack - forget about it */
                printf("missing %s %s\n", typename(obj->type), sha1_to_hex(obj->sha1));
                errors_found |= ERROR_REACHABLE;
@@ -216,7 +217,7 @@ static void check_unreachable_object(struct object *obj)
                                return;
                        }
                        if (!(f = fopen(filename, "w")))
-                               die("Could not open %s", filename);
+                               die_errno("Could not open '%s'", filename);
                        if (obj->type == OBJ_BLOB) {
                                enum object_type type;
                                unsigned long size;
@@ -224,15 +225,15 @@ static void check_unreachable_object(struct object *obj)
                                                &type, &size);
                                if (buf) {
                                        if (fwrite(buf, size, 1, f) != 1)
-                                               die("Could not write %s: %s",
-                                                   filename, strerror(errno));
+                                               die_errno("Could not write '%s'",
+                                                         filename);
                                        free(buf);
                                }
                        } else
                                fprintf(f, "%s\n", sha1_to_hex(obj->sha1));
                        if (fclose(f))
-                               die("Could not finish %s: %s",
-                                   filename, strerror(errno));
+                               die_errno("Could not finish '%s'",
+                                         filename);
                }
                return;
        }
@@ -291,7 +292,7 @@ static int fsck_sha1(const unsigned char *sha1)
                fprintf(stderr, "Checking %s %s\n",
                        typename(obj->type), sha1_to_hex(obj->sha1));
 
-       if (fsck_walk(obj, mark_used, 0))
+       if (fsck_walk(obj, mark_used, NULL))
                objerror(obj, "broken links");
        if (fsck_object(obj, check_strict, fsck_error_func))
                return -1;
@@ -473,6 +474,8 @@ static int fsck_handle_ref(const char *refname, const unsigned char *sha1, int f
 
 static void get_default_heads(void)
 {
+       if (head_points_at && !is_null_sha1(head_sha1))
+               fsck_handle_ref("HEAD", head_sha1, 0, NULL);
        for_each_ref(fsck_handle_ref, NULL);
        if (include_reflogs)
                for_each_reflog(fsck_handle_reflog, NULL);
@@ -512,14 +515,13 @@ static void fsck_object_dir(const char *path)
 
 static int fsck_head_link(void)
 {
-       unsigned char sha1[20];
        int flag;
        int null_is_error = 0;
-       const char *head_points_at = resolve_ref("HEAD", sha1, 0, &flag);
 
        if (verbose)
                fprintf(stderr, "Checking HEAD link\n");
 
+       head_points_at = resolve_ref("HEAD", head_sha1, 0, &flag);
        if (!head_points_at)
                return error("Invalid HEAD");
        if (!strcmp(head_points_at, "HEAD"))
@@ -528,7 +530,7 @@ static int fsck_head_link(void)
        else if (prefixcmp(head_points_at, "refs/heads/"))
                return error("HEAD points to something strange (%s)",
                             head_points_at);
-       if (is_null_sha1(sha1)) {
+       if (is_null_sha1(head_sha1)) {
                if (null_is_error)
                        return error("HEAD: detached HEAD points at nothing");
                fprintf(stderr, "notice: HEAD points to an unborn branch (%s)\n",
@@ -584,10 +586,12 @@ static struct option fsck_opts[] = {
 int cmd_fsck(int argc, const char **argv, const char *prefix)
 {
        int i, heads;
+       struct alternate_object_database *alt;
 
        errors_found = 0;
+       read_replace_refs = 0;
 
-       argc = parse_options(argc, argv, fsck_opts, fsck_usage, 0);
+       argc = parse_options(argc, argv, prefix, fsck_opts, fsck_usage, 0);
        if (write_lost_and_found) {
                check_full = 1;
                include_reflogs = 0;
@@ -595,17 +599,19 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
 
        fsck_head_link();
        fsck_object_dir(get_object_directory());
+
+       prepare_alt_odb();
+       for (alt = alt_odb_list; alt; alt = alt->next) {
+               char namebuf[PATH_MAX];
+               int namelen = alt->name - alt->base;
+               memcpy(namebuf, alt->base, namelen);
+               namebuf[namelen - 1] = 0;
+               fsck_object_dir(namebuf);
+       }
+
        if (check_full) {
-               struct alternate_object_database *alt;
                struct packed_git *p;
-               prepare_alt_odb();
-               for (alt = alt_odb_list; alt; alt = alt->next) {
-                       char namebuf[PATH_MAX];
-                       int namelen = alt->name - alt->base;
-                       memcpy(namebuf, alt->base, namelen);
-                       namebuf[namelen - 1] = 0;
-                       fsck_object_dir(namebuf);
-               }
+
                prepare_packed_git();
                for (p = packed_git; p; p = p->next)
                        /* verify gives error messages itself */
@@ -624,8 +630,9 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
        heads = 0;
        for (i = 0; i < argc; i++) {
                const char *arg = argv[i];
-               if (!get_sha1(arg, head_sha1)) {
-                       struct object *obj = lookup_object(head_sha1);
+               unsigned char sha1[20];
+               if (!get_sha1(arg, sha1)) {
+                       struct object *obj = lookup_object(sha1);
 
                        /* Error is printed by lookup_object(). */
                        if (!obj)