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-rw-r--r--builtin-fsck.c90
1 files changed, 83 insertions, 7 deletions
diff --git a/builtin-fsck.c b/builtin-fsck.c
index 44ce629a49..8d12287f03 100644
--- a/builtin-fsck.c
+++ b/builtin-fsck.c
@@ -1,3 +1,4 @@
+#include "builtin.h"
#include "cache.h"
#include "commit.h"
#include "tree.h"
@@ -20,6 +21,8 @@ static int check_strict;
static int keep_cache_objects;
static unsigned char head_sha1[20];
static int errors_found;
+static int write_lost_and_found;
+static int verbose;
#define ERROR_OBJECT 01
#define ERROR_REACHABLE 02
@@ -137,6 +140,31 @@ static void check_unreachable_object(struct object *obj)
if (!obj->used) {
printf("dangling %s %s\n", typename(obj->type),
sha1_to_hex(obj->sha1));
+ if (write_lost_and_found) {
+ char *filename = git_path("lost-found/%s/%s",
+ obj->type == OBJ_COMMIT ? "commit" : "other",
+ sha1_to_hex(obj->sha1));
+ FILE *f;
+
+ if (safe_create_leading_directories(filename)) {
+ error("Could not create lost-found");
+ return;
+ }
+ if (!(f = fopen(filename, "w")))
+ die("Could not open %s", filename);
+ if (obj->type == OBJ_BLOB) {
+ enum object_type type;
+ unsigned long size;
+ char *buf = read_sha1_file(obj->sha1,
+ &type, &size);
+ if (buf) {
+ fwrite(buf, size, 1, f);
+ free(buf);
+ }
+ } else
+ fprintf(f, "%s\n", sha1_to_hex(obj->sha1));
+ fclose(f);
+ }
return;
}
@@ -149,6 +177,9 @@ static void check_unreachable_object(struct object *obj)
static void check_object(struct object *obj)
{
+ if (verbose)
+ fprintf(stderr, "Checking %s\n", sha1_to_hex(obj->sha1));
+
if (obj->flags & REACHABLE)
check_reachable_object(obj);
else
@@ -161,6 +192,9 @@ static void check_connectivity(void)
/* Look up all the requirements, warn about missing objects.. */
max = get_max_object_index();
+ if (verbose)
+ fprintf(stderr, "Checking connectivity (%d objects)\n", max);
+
for (i = 0; i < max; i++) {
struct object *obj = get_indexed_object(i);
@@ -229,6 +263,10 @@ static int fsck_tree(struct tree *item)
const char *o_name;
const unsigned char *o_sha1;
+ if (verbose)
+ fprintf(stderr, "Checking tree %s\n",
+ sha1_to_hex(item->object.sha1));
+
init_tree_desc(&desc, item->buffer, item->size);
o_mode = 0;
@@ -256,7 +294,7 @@ static int fsck_tree(struct tree *item)
case S_IFREG | 0644:
case S_IFLNK:
case S_IFDIR:
- case S_IFDIRLNK:
+ case S_IFGITLINK:
break;
/*
* This is nonstandard, but we had a few of these
@@ -317,6 +355,10 @@ static int fsck_commit(struct commit *commit)
char *buffer = commit->buffer;
unsigned char tree_sha1[20], sha1[20];
+ if (verbose)
+ fprintf(stderr, "Checking commit %s\n",
+ sha1_to_hex(commit->object.sha1));
+
if (memcmp(buffer, "tree ", 5))
return objerror(&commit->object, "invalid format - expected 'tree' line");
if (get_sha1_hex(buffer+5, tree_sha1) || buffer[45] != '\n')
@@ -336,7 +378,7 @@ static int fsck_commit(struct commit *commit)
if (!commit->parents && show_root)
printf("root %s\n", sha1_to_hex(commit->object.sha1));
if (!commit->date)
- printf("bad commit date in %s\n",
+ printf("bad commit date in %s\n",
sha1_to_hex(commit->object.sha1));
return 0;
}
@@ -345,6 +387,10 @@ static int fsck_tag(struct tag *tag)
{
struct object *tagged = tag->tagged;
+ if (verbose)
+ fprintf(stderr, "Checking tag %s\n",
+ sha1_to_hex(tag->object.sha1));
+
if (!tagged) {
return objerror(&tag->object, "could not load tagged object");
}
@@ -446,6 +492,9 @@ static void fsck_dir(int i, char *path)
if (!dir)
return;
+ if (verbose)
+ fprintf(stderr, "Checking directory %s\n", path);
+
while ((de = readdir(dir)) != NULL) {
char name[100];
unsigned char sha1[20];
@@ -480,6 +529,10 @@ static int fsck_handle_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
{
struct object *obj;
+ if (verbose)
+ fprintf(stderr, "Checking reflog %s->%s\n",
+ sha1_to_hex(osha1), sha1_to_hex(nsha1));
+
if (!is_null_sha1(osha1)) {
obj = lookup_object(osha1);
if (obj) {
@@ -549,6 +602,10 @@ static void get_default_heads(void)
static void fsck_object_dir(const char *path)
{
int i;
+
+ if (verbose)
+ fprintf(stderr, "Checking object directory\n");
+
for (i = 0; i < 256; i++) {
static char dir[4096];
sprintf(dir, "%s/%02x", path, i);
@@ -564,6 +621,9 @@ static int fsck_head_link(void)
int null_is_error = 0;
const char *head_points_at = resolve_ref("HEAD", sha1, 0, &flag);
+ if (verbose)
+ fprintf(stderr, "Checking HEAD link\n");
+
if (!head_points_at)
return error("Invalid HEAD");
if (!strcmp(head_points_at, "HEAD"))
@@ -586,6 +646,9 @@ static int fsck_cache_tree(struct cache_tree *it)
int i;
int err = 0;
+ if (verbose)
+ fprintf(stderr, "Checking cache tree\n");
+
if (0 <= it->entry_count) {
struct object *obj = parse_object(it->sha1);
if (!obj) {
@@ -605,9 +668,9 @@ static int fsck_cache_tree(struct cache_tree *it)
static const char fsck_usage[] =
"git-fsck [--tags] [--root] [[--unreachable] [--cache] [--full] "
-"[--strict] <head-sha1>*]";
+"[--strict] [--verbose] <head-sha1>*]";
-int cmd_fsck(int argc, char **argv, const char *prefix)
+int cmd_fsck(int argc, const char **argv, const char *prefix)
{
int i, heads;
@@ -645,6 +708,16 @@ int cmd_fsck(int argc, char **argv, const char *prefix)
check_strict = 1;
continue;
}
+ if (!strcmp(arg, "--verbose")) {
+ verbose = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--lost-found")) {
+ check_full = 1;
+ include_reflogs = 0;
+ write_lost_and_found = 1;
+ continue;
+ }
if (*arg == '-')
usage(fsck_usage);
}
@@ -668,7 +741,10 @@ int cmd_fsck(int argc, char **argv, const char *prefix)
verify_pack(p, 0);
for (p = packed_git; p; p = p->next) {
- uint32_t i, num = p->num_objects;
+ uint32_t i, num;
+ if (open_pack_index(p))
+ continue;
+ num = p->num_objects;
for (i = 0; i < num; i++)
fsck_sha1(nth_packed_object_sha1(p, i));
}
@@ -676,7 +752,7 @@ int cmd_fsck(int argc, char **argv, const char *prefix)
heads = 0;
for (i = 1; i < argc; i++) {
- const char *arg = argv[i];
+ const char *arg = argv[i];
if (*arg == '-')
continue;
@@ -715,7 +791,7 @@ int cmd_fsck(int argc, char **argv, const char *prefix)
struct object *obj;
mode = ntohl(active_cache[i]->ce_mode);
- if (S_ISDIRLNK(mode))
+ if (S_ISGITLINK(mode))
continue;
blob = lookup_blob(active_cache[i]->sha1);
if (!blob)