i18n: simplify numeric error reporting
[gitweb.git] / sha1_file.c
index cb571ac6e8ed0657e39b346b41961caa8cc825be..3045aeabda1654e095fed3451ea4d5e5efc5c1dc 100644 (file)
@@ -23,6 +23,7 @@
 #include "bulk-checkin.h"
 #include "streaming.h"
 #include "dir.h"
+#include "mru.h"
 
 #ifndef O_NOATIME
 #if defined(__linux__) && (defined(__i386__) || defined(__PPC__))
@@ -59,14 +60,6 @@ static struct cached_object empty_tree = {
        0
 };
 
-/*
- * A pointer to the last packed_git in which an object was found.
- * When an object is sought, we look in this packfile first, because
- * objects that are looked up at similar times are often in the same
- * packfile as one another.
- */
-static struct packed_git *last_found_pack;
-
 static struct cached_object *find_cached_object(const unsigned char *sha1)
 {
        int i;
@@ -522,6 +515,9 @@ static size_t peak_pack_mapped;
 static size_t pack_mapped;
 struct packed_git *packed_git;
 
+static struct mru packed_git_mru_storage;
+struct mru *packed_git_mru = &packed_git_mru_storage;
+
 void pack_report(void)
 {
        fprintf(stderr,
@@ -795,7 +791,7 @@ void close_all_packs(void)
 
        for (p = packed_git; p; p = p->next)
                if (p->do_not_close)
-                       die("BUG! Want to close pack marked 'do-not-close'");
+                       die("BUG: want to close pack marked 'do-not-close'");
                else
                        close_pack(p);
 }
@@ -891,36 +887,6 @@ void close_pack_index(struct packed_git *p)
        }
 }
 
-/*
- * This is used by git-repack in case a newly created pack happens to
- * contain the same set of objects as an existing one.  In that case
- * the resulting file might be different even if its name would be the
- * same.  It is best to close any reference to the old pack before it is
- * replaced on disk.  Of course no index pointers or windows for given pack
- * must subsist at this point.  If ever objects from this pack are requested
- * again, the new version of the pack will be reinitialized through
- * reprepare_packed_git().
- */
-void free_pack_by_name(const char *pack_name)
-{
-       struct packed_git *p, **pp = &packed_git;
-
-       while (*pp) {
-               p = *pp;
-               if (strcmp(pack_name, p->pack_name) == 0) {
-                       clear_delta_base_cache();
-                       close_pack(p);
-                       free(p->bad_object_sha1);
-                       *pp = p->next;
-                       if (last_found_pack == p)
-                               last_found_pack = NULL;
-                       free(p);
-                       return;
-               }
-               pp = &p->next;
-       }
-}
-
 static unsigned int get_max_fd_limit(void)
 {
 #ifdef RLIMIT_NOFILE
@@ -1385,6 +1351,15 @@ static void rearrange_packed_git(void)
        free(ary);
 }
 
+static void prepare_packed_git_mru(void)
+{
+       struct packed_git *p;
+
+       mru_clear(packed_git_mru);
+       for (p = packed_git; p; p = p->next)
+               mru_append(packed_git_mru, p);
+}
+
 static int prepare_packed_git_run_once = 0;
 void prepare_packed_git(void)
 {
@@ -1400,6 +1375,7 @@ void prepare_packed_git(void)
                alt->name[-1] = '/';
        }
        rearrange_packed_git();
+       prepare_packed_git_mru();
        prepare_packed_git_run_once = 1;
 }
 
@@ -1716,7 +1692,7 @@ static int parse_sha1_header_extended(const char *hdr, struct object_info *oi,
                strbuf_add(oi->typename, type_buf, type_len);
        /*
         * Set type to 0 if its an unknown object and
-        * we're obtaining the type using '--allow-unkown-type'
+        * we're obtaining the type using '--allow-unknown-type'
         * option.
         */
        if ((flags & LOOKUP_UNKNOWN_OBJECT) && (type < 0))
@@ -2330,7 +2306,7 @@ void *unpack_entry(struct packed_git *p, off_t obj_offset,
        case OBJ_OFS_DELTA:
        case OBJ_REF_DELTA:
                if (data)
-                       die("BUG in unpack_entry: left loop at a valid delta");
+                       die("BUG: unpack_entry: left loop at a valid delta");
                break;
        case OBJ_COMMIT:
        case OBJ_TREE:
@@ -2604,21 +2580,15 @@ static int fill_pack_entry(const unsigned char *sha1,
  */
 static int find_pack_entry(const unsigned char *sha1, struct pack_entry *e)
 {
-       struct packed_git *p;
+       struct mru_entry *p;
 
        prepare_packed_git();
        if (!packed_git)
                return 0;
 
-       if (last_found_pack && fill_pack_entry(sha1, e, last_found_pack))
-               return 1;
-
-       for (p = packed_git; p; p = p->next) {
-               if (p == last_found_pack)
-                       continue; /* we already checked this one */
-
-               if (fill_pack_entry(sha1, e, p)) {
-                       last_found_pack = p;
+       for (p = packed_git_mru->head; p; p = p->next) {
+               if (fill_pack_entry(sha1, e, p->item)) {
+                       mru_mark(packed_git_mru, p);
                        return 1;
                }
        }