diff options
Diffstat (limited to 'diff.c')
| -rw-r--r-- | diff.c | 23 |
1 files changed, 19 insertions, 4 deletions
@@ -1757,7 +1757,8 @@ static int reuse_worktree_file(const char *name, const unsigned char *sha1, int struct stat st; int pos, len; - /* We do not read the cache ourselves here, because the + /* + * We do not read the cache ourselves here, because the * benchmark with my previous version that always reads cache * shows that it makes things worse for diff-tree comparing * two linux-2.6 kernel trees in an already checked out work @@ -1798,6 +1799,13 @@ static int reuse_worktree_file(const char *name, const unsigned char *sha1, int return 0; /* + * If ce is marked as "assume unchanged", there is no + * guarantee that work tree matches what we are looking for. + */ + if (ce->ce_flags & CE_VALID) + return 0; + + /* * If ce matches the file in the work tree, we can reuse it. */ if (ce_uptodate(ce) || @@ -1946,17 +1954,23 @@ void diff_free_filespec_data(struct diff_filespec *s) s->cnt_data = NULL; } -static void prep_temp_blob(struct diff_tempfile *temp, +static void prep_temp_blob(const char *path, struct diff_tempfile *temp, void *blob, unsigned long size, const unsigned char *sha1, int mode) { int fd; + struct strbuf buf = STRBUF_INIT; fd = git_mkstemp(temp->tmp_path, PATH_MAX, ".diff_XXXXXX"); if (fd < 0) die("unable to create temp-file: %s", strerror(errno)); + if (convert_to_working_tree(path, + (const char *)blob, (size_t)size, &buf)) { + blob = buf.buf; + size = buf.len; + } if (write_in_full(fd, blob, size) != size) die("unable to write temp-file"); close(fd); @@ -1964,6 +1978,7 @@ static void prep_temp_blob(struct diff_tempfile *temp, strcpy(temp->hex, sha1_to_hex(sha1)); temp->hex[40] = 0; sprintf(temp->mode, "%06o", mode); + strbuf_release(&buf); } static struct diff_tempfile *prepare_temp_file(const char *name, @@ -2004,7 +2019,7 @@ static struct diff_tempfile *prepare_temp_file(const char *name, die("readlink(%s)", name); if (ret == sizeof(buf)) die("symlink too long: %s", name); - prep_temp_blob(temp, buf, ret, + prep_temp_blob(name, temp, buf, ret, (one->sha1_valid ? one->sha1 : null_sha1), (one->sha1_valid ? @@ -2030,7 +2045,7 @@ static struct diff_tempfile *prepare_temp_file(const char *name, else { if (diff_populate_filespec(one, 0)) die("cannot read data blob for %s", one->path); - prep_temp_blob(temp, one->data, one->size, + prep_temp_blob(name, temp, one->data, one->size, one->sha1, one->mode); } return temp; |