Merge branch 'ph/rerere-doc' into maint

[git.git] / builtin / fsck.c

diff --git a/builtin/fsck.c b/builtin/fsck.c
index df1a88b51ae7773a15276d144113c0002fddb1cd..8c479a791b792ebda334a7e3816523af3802b5bc 100644 (file)
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -11,6 +11,7 @@
 #include "fsck.h"
 #include "parse-options.h"
 #include "dir.h"
+#include "progress.h"
 
 #define REACHABLE 0x0001
 #define SEEN      0x0002
@@ -27,8 +28,10 @@ static const char *head_points_at;
 static int errors_found;
 static int write_lost_and_found;
 static int verbose;
+static int show_progress = -1;
 #define ERROR_OBJECT 01
 #define ERROR_REACHABLE 02
+#define ERROR_PACK 04
 
 #ifdef NO_D_INO_IN_DIRENT
 #define SORT_DIRENT 0
@@ -137,7 +140,11 @@ static int traverse_one_object(struct object *obj)
 
 static int traverse_reachable(void)
 {
+       struct progress *progress = NULL;
+       unsigned int nr = 0;
        int result = 0;
+       if (show_progress)
+               progress = start_progress_delay("Checking connectivity", 0, 0, 2);
        while (pending.nr) {
                struct object_array_entry *entry;
                struct object *obj;
@@ -145,7 +152,9 @@ static int traverse_reachable(void)
                entry = pending.objects + --pending.nr;
                obj = entry->item;
                result |= traverse_one_object(obj);
+               display_progress(progress, ++nr);
        }
+       stop_progress(&progress);
        return !!result;
 }
 
@@ -281,14 +290,8 @@ static void check_connectivity(void)
        }
 }
 
-static int fsck_sha1(const unsigned char *sha1)
+static int fsck_obj(struct object *obj)
 {
-       struct object *obj = parse_object(sha1);
-       if (!obj) {
-               errors_found |= ERROR_OBJECT;
-               return error("%s: object corrupt or missing",
-                            sha1_to_hex(sha1));
-       }
        if (obj->flags & SEEN)
                return 0;
        obj->flags |= SEEN;
@@ -331,6 +334,29 @@ static int fsck_sha1(const unsigned char *sha1)
        return 0;
 }
 
+static int fsck_sha1(const unsigned char *sha1)
+{
+       struct object *obj = parse_object(sha1);
+       if (!obj) {
+               errors_found |= ERROR_OBJECT;
+               return error("%s: object corrupt or missing",
+                            sha1_to_hex(sha1));
+       }
+       return fsck_obj(obj);
+}
+
+static int fsck_obj_buffer(const unsigned char *sha1, enum object_type type,
+                          unsigned long size, void *buffer, int *eaten)
+{
+       struct object *obj;
+       obj = parse_object_buffer(sha1, type, size, buffer, eaten);
+       if (!obj) {
+               errors_found |= ERROR_OBJECT;
+               return error("%s: object corrupt or missing", sha1_to_hex(sha1));
+       }
+       return fsck_obj(obj);
+}
+
 /*
  * This is the sorting chunk size: make it reasonably
  * big so that we can sort well..
@@ -512,15 +538,20 @@ static void get_default_heads(void)
 static void fsck_object_dir(const char *path)
 {
        int i;
+       struct progress *progress = NULL;
 
        if (verbose)
                fprintf(stderr, "Checking object directory\n");
 
+       if (show_progress)
+               progress = start_progress("Checking object directories", 256);
        for (i = 0; i < 256; i++) {
                static char dir[4096];
                sprintf(dir, "%s/%02x", path, i);
                fsck_dir(i, dir);
+               display_progress(progress, i+1);
        }
+       stop_progress(&progress);
        fsck_sha1_list();
 }
 
@@ -532,7 +563,7 @@ static int fsck_head_link(void)
        if (verbose)
                fprintf(stderr, "Checking HEAD link\n");
 
-       head_points_at = resolve_ref("HEAD", head_sha1, 0, &flag);
+       head_points_at = resolve_ref_unsafe("HEAD", head_sha1, 0, &flag);
        if (!head_points_at)
                return error("Invalid HEAD");
        if (!strcmp(head_points_at, "HEAD"))
@@ -591,6 +622,7 @@ static struct option fsck_opts[] = {
        OPT_BOOLEAN(0, "strict", &check_strict, "enable more strict checking"),
        OPT_BOOLEAN(0, "lost-found", &write_lost_and_found,
                                "write dangling objects in .git/lost-found"),
+       OPT_BOOL(0, "progress", &show_progress, "show progress"),
        OPT_END(),
 };
 
@@ -603,6 +635,12 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
        read_replace_refs = 0;
 
        argc = parse_options(argc, argv, prefix, fsck_opts, fsck_usage, 0);
+
+       if (show_progress == -1)
+               show_progress = isatty(2);
+       if (verbose)
+               show_progress = 0;
+
        if (write_lost_and_found) {
                check_full = 1;
                include_reflogs = 0;
@@ -622,20 +660,28 @@ int cmd_fsck(int argc, const char **argv, const char *prefix)
 
        if (check_full) {
                struct packed_git *p;
+               uint32_t total = 0, count = 0;
+               struct progress *progress = NULL;
 
                prepare_packed_git();
-               for (p = packed_git; p; p = p->next)
-                       /* verify gives error messages itself */
-                       verify_pack(p);
 
+               if (show_progress) {
+                       for (p = packed_git; p; p = p->next) {
+                               if (open_pack_index(p))
+                                       continue;
+                               total += p->num_objects;
+                       }
+
+                       progress = start_progress("Checking objects", total);
+               }
                for (p = packed_git; p; p = p->next) {
-                       uint32_t j, num;
-                       if (open_pack_index(p))
-                               continue;
-                       num = p->num_objects;
-                       for (j = 0; j < num; j++)
-                               fsck_sha1(nth_packed_object_sha1(p, j));
+                       /* verify gives error messages itself */
+                       if (verify_pack(p, fsck_obj_buffer,
+                                       progress, count))
+                               errors_found |= ERROR_PACK;
+                       count += p->num_objects;
                }
+               stop_progress(&progress);
        }
 
        heads = 0;