Merge branch 'ab/enable-i18n'

diff --git a/fast-import.c b/fast-import.c
index b59e7db6a6efe3299b95cc0d68b7f7e0f0c5a8d3..4b9c4b73a020e9eefa4caf0bd6ec833df424c9a0 100644 (file)
--- a/fast-import.c
+++ b/fast-import.c
@@ -1143,17 +1143,11 @@ static int store_object(
        return 0;
 }
 
-static void truncate_pack(off_t to, git_SHA_CTX *ctx)
+static void truncate_pack(struct sha1file_checkpoint *checkpoint)
 {
-       if (ftruncate(pack_data->pack_fd, to)
-        || lseek(pack_data->pack_fd, to, SEEK_SET) != to)
+       if (sha1file_truncate(pack_file, checkpoint))
                die_errno("cannot truncate pack to skip duplicate");
-       pack_size = to;
-
-       /* yes this is a layering violation */
-       pack_file->total = to;
-       pack_file->offset = 0;
-       pack_file->ctx = *ctx;
+       pack_size = checkpoint->offset;
 }
 
 static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark)
@@ -1166,8 +1160,8 @@ static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark)
        unsigned long hdrlen;
        off_t offset;
        git_SHA_CTX c;
-       git_SHA_CTX pack_file_ctx;
        git_zstream s;
+       struct sha1file_checkpoint checkpoint;
        int status = Z_OK;
 
        /* Determine if we should auto-checkpoint. */
@@ -1175,11 +1169,8 @@ static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark)
                || (pack_size + 60 + len) < pack_size)
                cycle_packfile();
 
-       offset = pack_size;
-
-       /* preserve the pack_file SHA1 ctx in case we have to truncate later */
-       sha1flush(pack_file);
-       pack_file_ctx = pack_file->ctx;
+       sha1file_checkpoint(pack_file, &checkpoint);
+       offset = checkpoint.offset;
 
        hdrlen = snprintf((char *)out_buf, out_sz, "blob %" PRIuMAX, len) + 1;
        if (out_sz <= hdrlen)
@@ -1245,14 +1236,14 @@ static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark)
 
        if (e->idx.offset) {
                duplicate_count_by_type[OBJ_BLOB]++;
-               truncate_pack(offset, &pack_file_ctx);
+               truncate_pack(&checkpoint);
 
        } else if (find_sha1_pack(sha1, packed_git)) {
                e->type = OBJ_BLOB;
                e->pack_id = MAX_PACK_ID;
                e->idx.offset = 1; /* just not zero! */
                duplicate_count_by_type[OBJ_BLOB]++;
-               truncate_pack(offset, &pack_file_ctx);
+               truncate_pack(&checkpoint);
 
        } else {
                e->depth = 0;
@@ -2173,6 +2164,11 @@ static uintmax_t do_change_note_fanout(
 
                if (tmp_hex_sha1_len == 40 && !get_sha1_hex(hex_sha1, sha1)) {
                        /* This is a note entry */
+                       if (fanout == 0xff) {
+                               /* Counting mode, no rename */
+                               num_notes++;
+                               continue;
+                       }
                        construct_path_with_fanout(hex_sha1, fanout, realpath);
                        if (!strcmp(fullpath, realpath)) {
                                /* Note entry is in correct location */
@@ -2379,7 +2375,7 @@ static void file_change_cr(struct branch *b, int rename)
                leaf.tree);
 }
 
-static void note_change_n(struct branch *b, unsigned char old_fanout)
+static void note_change_n(struct branch *b, unsigned char *old_fanout)
 {
        const char *p = command_buf.buf + 2;
        static struct strbuf uq = STRBUF_INIT;
@@ -2390,6 +2386,23 @@ static void note_change_n(struct branch *b, unsigned char old_fanout)
        uint16_t inline_data = 0;
        unsigned char new_fanout;
 
+       /*
+        * When loading a branch, we don't traverse its tree to count the real
+        * number of notes (too expensive to do this for all non-note refs).
+        * This means that recently loaded notes refs might incorrectly have
+        * b->num_notes == 0, and consequently, old_fanout might be wrong.
+        *
+        * Fix this by traversing the tree and counting the number of notes
+        * when b->num_notes == 0. If the notes tree is truly empty, the
+        * calculation should not take long.
+        */
+       if (b->num_notes == 0 && *old_fanout == 0) {
+               /* Invoke change_note_fanout() in "counting mode". */
+               b->num_notes = change_note_fanout(&b->branch_tree, 0xff);
+               *old_fanout = convert_num_notes_to_fanout(b->num_notes);
+       }
+
+       /* Now parse the notemodify command. */
        /* <dataref> or 'inline' */
        if (*p == ':') {
                char *x;
@@ -2450,7 +2463,7 @@ static void note_change_n(struct branch *b, unsigned char old_fanout)
                            typename(type), command_buf.buf);
        }
 
-       construct_path_with_fanout(sha1_to_hex(commit_sha1), old_fanout, path);
+       construct_path_with_fanout(sha1_to_hex(commit_sha1), *old_fanout, path);
        if (tree_content_remove(&b->branch_tree, path, NULL))
                b->num_notes--;
 
@@ -2637,7 +2650,7 @@ static void parse_new_commit(void)
                else if (!prefixcmp(command_buf.buf, "C "))
                        file_change_cr(b, 0);
                else if (!prefixcmp(command_buf.buf, "N "))
-                       note_change_n(b, prev_fanout);
+                       note_change_n(b, &prev_fanout);
                else if (!strcmp("deleteall", command_buf.buf))
                        file_change_deleteall(b);
                else if (!prefixcmp(command_buf.buf, "ls "))