Fix misspelled mergetool.keepBackup

[git.git] / sha1_file.c

diff --git a/sha1_file.c b/sha1_file.c
index 8868b800cbb9259f97b8acac3c8701153118b657..8fe135dc61908103cf2d7de700794843f83db057 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -689,6 +689,7 @@ void free_pack_by_name(const char *pack_name)
        while (*pp) {
                p = *pp;
                if (strcmp(pack_name, p->pack_name) == 0) {
+                       clear_delta_base_cache();
                        close_pack_windows(p);
                        if (p->pack_fd != -1)
                                close(p->pack_fd);
@@ -800,7 +801,7 @@ unsigned char* use_pack(struct packed_git *p,
        if (p->pack_fd == -1 && open_packed_git(p))
                die("packfile %s cannot be accessed", p->pack_name);
 
-       /* Since packfiles end in a hash of their content and its
+       /* Since packfiles end in a hash of their content and it's
         * pointless to ask for an offset into the middle of that
         * hash, and the in_window function above wouldn't match
         * don't allow an offset too close to the end of the file.
@@ -1663,6 +1664,13 @@ static inline void release_delta_base_cache(struct delta_base_cache_entry *ent)
        }
 }
 
+void clear_delta_base_cache(void)
+{
+       unsigned long p;
+       for (p = 0; p < MAX_DELTA_CACHE; p++)
+               release_delta_base_cache(&delta_base_cache[p]);
+}
+
 static void add_delta_base_cache(struct packed_git *p, off_t base_offset,
        void *base, unsigned long base_size, enum object_type type)
 {
@@ -1911,25 +1919,7 @@ off_t find_pack_entry_one(const unsigned char *sha1,
        return 0;
 }
 
-int matches_pack_name(struct packed_git *p, const char *name)
-{
-       const char *last_c, *c;
-
-       if (!strcmp(p->pack_name, name))
-               return 1;
-
-       for (c = p->pack_name, last_c = c; *c;)
-               if (*c == '/')
-                       last_c = ++c;
-               else
-                       ++c;
-       if (!strcmp(last_c, name))
-               return 1;
-
-       return 0;
-}
-
-static int find_pack_entry(const unsigned char *sha1, struct pack_entry *e, const char **ignore_packed)
+static int find_pack_entry(const unsigned char *sha1, struct pack_entry *e)
 {
        static struct packed_git *last_found = (void *)1;
        struct packed_git *p;
@@ -1941,15 +1931,6 @@ static int find_pack_entry(const unsigned char *sha1, struct pack_entry *e, cons
        p = (last_found == (void *)1) ? packed_git : last_found;
 
        do {
-               if (ignore_packed) {
-                       const char **ig;
-                       for (ig = ignore_packed; *ig; ig++)
-                               if (matches_pack_name(p, *ig))
-                                       break;
-                       if (*ig)
-                               goto next;
-               }
-
                if (p->num_bad_objects) {
                        unsigned i;
                        for (i = 0; i < p->num_bad_objects; i++)
@@ -2030,7 +2011,7 @@ int sha1_object_info(const unsigned char *sha1, unsigned long *sizep)
        struct pack_entry e;
        int status;
 
-       if (!find_pack_entry(sha1, &e, NULL)) {
+       if (!find_pack_entry(sha1, &e)) {
                /* Most likely it's a loose object. */
                status = sha1_loose_object_info(sha1, sizep);
                if (status >= 0)
@@ -2038,7 +2019,7 @@ int sha1_object_info(const unsigned char *sha1, unsigned long *sizep)
 
                /* Not a loose object; someone else may have just packed it. */
                reprepare_packed_git();
-               if (!find_pack_entry(sha1, &e, NULL))
+               if (!find_pack_entry(sha1, &e))
                        return status;
        }
 
@@ -2057,7 +2038,7 @@ static void *read_packed_sha1(const unsigned char *sha1,
        struct pack_entry e;
        void *data;
 
-       if (!find_pack_entry(sha1, &e, NULL))
+       if (!find_pack_entry(sha1, &e))
                return NULL;
        data = cache_or_unpack_entry(e.p, e.offset, size, type, 1);
        if (!data) {
@@ -2235,11 +2216,15 @@ static void write_sha1_file_prepare(const void *buf, unsigned long len,
 }
 
 /*
- * Move the just written object into its final resting place
+ * Move the just written object into its final resting place.
+ * NEEDSWORK: this should be renamed to finalize_temp_file() as
+ * "moving" is only a part of what it does, when no patch between
+ * master to pu changes the call sites of this function.
  */
 int move_temp_to_file(const char *tmpfile, const char *filename)
 {
        int ret = 0;
+
        if (link(tmpfile, filename))
                ret = errno;
 
@@ -2251,12 +2236,12 @@ int move_temp_to_file(const char *tmpfile, const char *filename)
         *
         * The same holds for FAT formatted media.
         *
-        * When this succeeds, we just return 0. We have nothing
+        * When this succeeds, we just return.  We have nothing
         * left to unlink.
         */
        if (ret && ret != EEXIST) {
                if (!rename(tmpfile, filename))
-                       return 0;
+                       goto out;
                ret = errno;
        }
        unlink(tmpfile);
@@ -2267,6 +2252,9 @@ int move_temp_to_file(const char *tmpfile, const char *filename)
                /* FIXME!!! Collision check here ? */
        }
 
+out:
+       if (set_shared_perm(filename, (S_IFREG|0444)))
+               return error("unable to set permission to '%s'", filename);
        return 0;
 }
 
@@ -2291,9 +2279,8 @@ static void close_sha1_file(int fd)
 {
        if (fsync_object_files)
                fsync_or_die(fd, "sha1 file");
-       fchmod(fd, 0444);
        if (close(fd) != 0)
-               die("unable to write sha1 file");
+               die("error when closing sha1 file (%s)", strerror(errno));
 }
 
 /* Size of directory component, including the ending '/' */
@@ -2456,17 +2443,17 @@ int has_pack_file(const unsigned char *sha1)
        return 1;
 }
 
-int has_sha1_pack(const unsigned char *sha1, const char **ignore_packed)
+int has_sha1_pack(const unsigned char *sha1)
 {
        struct pack_entry e;
-       return find_pack_entry(sha1, &e, ignore_packed);
+       return find_pack_entry(sha1, &e);
 }
 
 int has_sha1_file(const unsigned char *sha1)
 {
        struct pack_entry e;
 
-       if (find_pack_entry(sha1, &e, NULL))
+       if (find_pack_entry(sha1, &e))
                return 1;
        return has_loose_object(sha1);
 }