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-rw-r--r--refs/debug.c11
-rw-r--r--refs/files-backend.c115
-rw-r--r--refs/packed-backend.c8
-rw-r--r--refs/refs-internal.h6
-rw-r--r--refs/reftable-backend.c8
5 files changed, 147 insertions, 1 deletions
diff --git a/refs/debug.c b/refs/debug.c
index 547d9245b9..45e2e784a0 100644
--- a/refs/debug.c
+++ b/refs/debug.c
@@ -419,6 +419,15 @@ static int debug_reflog_expire(struct ref_store *ref_store, const char *refname,
return res;
}
+static int debug_fsck(struct ref_store *ref_store,
+ struct fsck_options *o)
+{
+ struct debug_ref_store *drefs = (struct debug_ref_store *)ref_store;
+ int res = drefs->refs->be->fsck(drefs->refs, o);
+ trace_printf_key(&trace_refs, "fsck: %d\n", res);
+ return res;
+}
+
struct ref_storage_be refs_be_debug = {
.name = "debug",
.init = NULL,
@@ -451,4 +460,6 @@ struct ref_storage_be refs_be_debug = {
.create_reflog = debug_create_reflog,
.delete_reflog = debug_delete_reflog,
.reflog_expire = debug_reflog_expire,
+
+ .fsck = debug_fsck,
};
diff --git a/refs/files-backend.c b/refs/files-backend.c
index 68a3f71f70..8d6ec9458d 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -4,6 +4,7 @@
#include "../gettext.h"
#include "../hash.h"
#include "../hex.h"
+#include "../fsck.h"
#include "../refs.h"
#include "refs-internal.h"
#include "ref-cache.h"
@@ -3419,6 +3420,116 @@ static int files_ref_store_remove_on_disk(struct ref_store *ref_store,
return ret;
}
+/*
+ * For refs and reflogs, they share a unified interface when scanning
+ * the whole directory. This function is used as the callback for each
+ * regular file or symlink in the directory.
+ */
+typedef int (*files_fsck_refs_fn)(struct ref_store *ref_store,
+ struct fsck_options *o,
+ const char *refs_check_dir,
+ struct dir_iterator *iter);
+
+static int files_fsck_refs_name(struct ref_store *ref_store UNUSED,
+ struct fsck_options *o,
+ const char *refs_check_dir,
+ struct dir_iterator *iter)
+{
+ struct strbuf sb = STRBUF_INIT;
+ int ret = 0;
+
+ /*
+ * Ignore the files ending with ".lock" as they may be lock files
+ * However, do not allow bare ".lock" files.
+ */
+ if (iter->basename[0] != '.' && ends_with(iter->basename, ".lock"))
+ goto cleanup;
+
+ if (check_refname_format(iter->basename, REFNAME_ALLOW_ONELEVEL)) {
+ struct fsck_ref_report report = { .path = NULL };
+
+ strbuf_addf(&sb, "%s/%s", refs_check_dir, iter->relative_path);
+ report.path = sb.buf;
+ ret = fsck_report_ref(o, &report,
+ FSCK_MSG_BAD_REF_NAME,
+ "invalid refname format");
+ }
+
+cleanup:
+ strbuf_release(&sb);
+ return ret;
+}
+
+static int files_fsck_refs_dir(struct ref_store *ref_store,
+ struct fsck_options *o,
+ const char *refs_check_dir,
+ files_fsck_refs_fn *fsck_refs_fn)
+{
+ struct strbuf sb = STRBUF_INIT;
+ struct dir_iterator *iter;
+ int iter_status;
+ int ret = 0;
+
+ strbuf_addf(&sb, "%s/%s", ref_store->gitdir, refs_check_dir);
+
+ iter = dir_iterator_begin(sb.buf, 0);
+ if (!iter) {
+ ret = error_errno(_("cannot open directory %s"), sb.buf);
+ goto out;
+ }
+
+ while ((iter_status = dir_iterator_advance(iter)) == ITER_OK) {
+ if (S_ISDIR(iter->st.st_mode)) {
+ continue;
+ } else if (S_ISREG(iter->st.st_mode) ||
+ S_ISLNK(iter->st.st_mode)) {
+ if (o->verbose)
+ fprintf_ln(stderr, "Checking %s/%s",
+ refs_check_dir, iter->relative_path);
+ for (size_t i = 0; fsck_refs_fn[i]; i++) {
+ if (fsck_refs_fn[i](ref_store, o, refs_check_dir, iter))
+ ret = -1;
+ }
+ } else {
+ struct fsck_ref_report report = { .path = iter->basename };
+ if (fsck_report_ref(o, &report,
+ FSCK_MSG_BAD_REF_FILETYPE,
+ "unexpected file type"))
+ ret = -1;
+ }
+ }
+
+ if (iter_status != ITER_DONE)
+ ret = error(_("failed to iterate over '%s'"), sb.buf);
+
+out:
+ strbuf_release(&sb);
+ return ret;
+}
+
+static int files_fsck_refs(struct ref_store *ref_store,
+ struct fsck_options *o)
+{
+ files_fsck_refs_fn fsck_refs_fn[]= {
+ files_fsck_refs_name,
+ NULL,
+ };
+
+ if (o->verbose)
+ fprintf_ln(stderr, _("Checking references consistency"));
+ return files_fsck_refs_dir(ref_store, o, "refs", fsck_refs_fn);
+}
+
+static int files_fsck(struct ref_store *ref_store,
+ struct fsck_options *o)
+{
+ struct files_ref_store *refs =
+ files_downcast(ref_store, REF_STORE_READ, "fsck");
+
+ return files_fsck_refs(ref_store, o) |
+ refs->packed_ref_store->be->fsck(refs->packed_ref_store, o);
+}
+
struct ref_storage_be refs_be_files = {
.name = "files",
.init = files_ref_store_init,
@@ -3445,5 +3556,7 @@ struct ref_storage_be refs_be_files = {
.reflog_exists = files_reflog_exists,
.create_reflog = files_create_reflog,
.delete_reflog = files_delete_reflog,
- .reflog_expire = files_reflog_expire
+ .reflog_expire = files_reflog_expire,
+
+ .fsck = files_fsck,
};
diff --git a/refs/packed-backend.c b/refs/packed-backend.c
index 89976aa359..f00106df14 100644
--- a/refs/packed-backend.c
+++ b/refs/packed-backend.c
@@ -1733,6 +1733,12 @@ static struct ref_iterator *packed_reflog_iterator_begin(struct ref_store *ref_s
return empty_ref_iterator_begin();
}
+static int packed_fsck(struct ref_store *ref_store,
+ struct fsck_options *o)
+{
+ return 0;
+}
+
struct ref_storage_be refs_be_packed = {
.name = "packed",
.init = packed_ref_store_init,
@@ -1760,4 +1766,6 @@ struct ref_storage_be refs_be_packed = {
.create_reflog = NULL,
.delete_reflog = NULL,
.reflog_expire = NULL,
+
+ .fsck = packed_fsck,
};
diff --git a/refs/refs-internal.h b/refs/refs-internal.h
index 390a2ab001..2313c830d8 100644
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -4,6 +4,7 @@
#include "refs.h"
#include "iterator.h"
+struct fsck_options;
struct ref_transaction;
/*
@@ -651,6 +652,9 @@ typedef int read_raw_ref_fn(struct ref_store *ref_store, const char *refname,
typedef int read_symbolic_ref_fn(struct ref_store *ref_store, const char *refname,
struct strbuf *referent);
+typedef int fsck_fn(struct ref_store *ref_store,
+ struct fsck_options *o);
+
struct ref_storage_be {
const char *name;
ref_store_init_fn *init;
@@ -678,6 +682,8 @@ struct ref_storage_be {
create_reflog_fn *create_reflog;
delete_reflog_fn *delete_reflog;
reflog_expire_fn *reflog_expire;
+
+ fsck_fn *fsck;
};
extern struct ref_storage_be refs_be_files;
diff --git a/refs/reftable-backend.c b/refs/reftable-backend.c
index db2ae1dfcb..8b7ffbf66f 100644
--- a/refs/reftable-backend.c
+++ b/refs/reftable-backend.c
@@ -2309,6 +2309,12 @@ done:
return ret;
}
+static int reftable_be_fsck(struct ref_store *ref_store,
+ struct fsck_options *o)
+{
+ return 0;
+}
+
struct ref_storage_be refs_be_reftable = {
.name = "reftable",
.init = reftable_be_init,
@@ -2336,4 +2342,6 @@ struct ref_storage_be refs_be_reftable = {
.create_reflog = reftable_be_create_reflog,
.delete_reflog = reftable_be_delete_reflog,
.reflog_expire = reftable_be_reflog_expire,
+
+ .fsck = reftable_be_fsck,
};