int textconv_object(const char *path,
unsigned mode,
const unsigned char *sha1,
+ int sha1_valid,
char **buf,
unsigned long *buf_size)
{
struct userdiff_driver *textconv;
df = alloc_filespec(path);
- fill_filespec(df, sha1, mode);
+ fill_filespec(df, sha1, sha1_valid, mode);
textconv = get_textconv(df);
if (!textconv) {
free_filespec(df);
num_read_blob++;
if (DIFF_OPT_TST(opt, ALLOW_TEXTCONV) &&
- textconv_object(o->path, o->mode, o->blob_sha1, &file->ptr, &file_size))
+ textconv_object(o->path, o->mode, o->blob_sha1, 1, &file->ptr, &file_size))
;
else
file->ptr = read_sha1_file(o->blob_sha1, &type, &file_size);
paths[1] = NULL;
diff_tree_setup_paths(paths, &diff_opts);
- if (diff_setup_done(&diff_opts) < 0)
- die("diff-setup");
+ diff_setup_done(&diff_opts);
if (is_null_sha1(origin->commit->object.sha1))
do_diff_cache(parent->tree->object.sha1, &diff_opts);
diff_opts.single_follow = origin->path;
paths[0] = NULL;
diff_tree_setup_paths(paths, &diff_opts);
- if (diff_setup_done(&diff_opts) < 0)
- die("diff-setup");
+ diff_setup_done(&diff_opts);
if (is_null_sha1(origin->commit->object.sha1))
do_diff_cache(parent->tree->object.sha1, &diff_opts);
paths[0] = NULL;
diff_tree_setup_paths(paths, &diff_opts);
- if (diff_setup_done(&diff_opts) < 0)
- die("diff-setup");
+ diff_setup_done(&diff_opts);
/* Try "find copies harder" on new path if requested;
* we do not want to use diffcore_rename() actually to
return 0;
}
+static int update_auto_abbrev(int auto_abbrev, struct origin *suspect)
+{
+ const char *uniq = find_unique_abbrev(suspect->commit->object.sha1,
+ auto_abbrev);
+ int len = strlen(uniq);
+ if (auto_abbrev < len)
+ return len;
+ return auto_abbrev;
+}
+
/*
* How many columns do we need to show line numbers, authors,
* and filenames?
int longest_dst_lines = 0;
unsigned largest_score = 0;
struct blame_entry *e;
+ int compute_auto_abbrev = (abbrev < 0);
+ int auto_abbrev = default_abbrev;
for (e = sb->ent; e; e = e->next) {
struct origin *suspect = e->suspect;
struct commit_info ci;
int num;
+ if (compute_auto_abbrev)
+ auto_abbrev = update_auto_abbrev(auto_abbrev, suspect);
if (strcmp(suspect->path, sb->path))
*option |= OUTPUT_SHOW_NAME;
num = strlen(suspect->path);
max_orig_digits = decimal_width(longest_src_lines);
max_digits = decimal_width(longest_dst_lines);
max_score_digits = decimal_width(largest_score);
+
+ if (compute_auto_abbrev)
+ /* one more abbrev length is needed for the boundary commit */
+ abbrev = auto_abbrev + 1;
}
/*
return git_default_config(var, value, cb);
}
+static void verify_working_tree_path(struct commit *work_tree, const char *path)
+{
+ struct commit_list *parents;
+
+ for (parents = work_tree->parents; parents; parents = parents->next) {
+ const unsigned char *commit_sha1 = parents->item->object.sha1;
+ unsigned char blob_sha1[20];
+ unsigned mode;
+
+ if (!get_tree_entry(commit_sha1, path, blob_sha1, &mode) &&
+ sha1_object_info(blob_sha1, NULL) == OBJ_BLOB)
+ return;
+ }
+ die("no such path '%s' in HEAD", path);
+}
+
+static struct commit_list **append_parent(struct commit_list **tail, const unsigned char *sha1)
+{
+ struct commit *parent;
+
+ parent = lookup_commit_reference(sha1);
+ if (!parent)
+ die("no such commit %s", sha1_to_hex(sha1));
+ return &commit_list_insert(parent, tail)->next;
+}
+
+static void append_merge_parents(struct commit_list **tail)
+{
+ int merge_head;
+ const char *merge_head_file = git_path("MERGE_HEAD");
+ struct strbuf line = STRBUF_INIT;
+
+ merge_head = open(merge_head_file, O_RDONLY);
+ if (merge_head < 0) {
+ if (errno == ENOENT)
+ return;
+ die("cannot open '%s' for reading", merge_head_file);
+ }
+
+ while (!strbuf_getwholeline_fd(&line, merge_head, '\n')) {
+ unsigned char sha1[20];
+ if (line.len < 40 || get_sha1_hex(line.buf, sha1))
+ die("unknown line in '%s': %s", merge_head_file, line.buf);
+ tail = append_parent(tail, sha1);
+ }
+ close(merge_head);
+ strbuf_release(&line);
+}
+
/*
* Prepare a dummy commit that represents the work tree (or staged) item.
* Note that annotating work tree item never works in the reverse.
{
struct commit *commit;
struct origin *origin;
+ struct commit_list **parent_tail, *parent;
unsigned char head_sha1[20];
struct strbuf buf = STRBUF_INIT;
const char *ident;
int size, len;
struct cache_entry *ce;
unsigned mode;
-
- if (get_sha1("HEAD", head_sha1))
- die("No such ref: HEAD");
+ struct strbuf msg = STRBUF_INIT;
time(&now);
commit = xcalloc(1, sizeof(*commit));
- commit->parents = xcalloc(1, sizeof(*commit->parents));
- commit->parents->item = lookup_commit_reference(head_sha1);
commit->object.parsed = 1;
commit->date = now;
commit->object.type = OBJ_COMMIT;
+ parent_tail = &commit->parents;
+
+ if (!resolve_ref_unsafe("HEAD", head_sha1, 1, NULL))
+ die("no such ref: HEAD");
+
+ parent_tail = append_parent(parent_tail, head_sha1);
+ append_merge_parents(parent_tail);
+ verify_working_tree_path(commit, path);
origin = make_origin(commit, path);
+ ident = fmt_ident("Not Committed Yet", "not.committed.yet", NULL, 0);
+ strbuf_addstr(&msg, "tree 0000000000000000000000000000000000000000\n");
+ for (parent = commit->parents; parent; parent = parent->next)
+ strbuf_addf(&msg, "parent %s\n",
+ sha1_to_hex(parent->item->object.sha1));
+ strbuf_addf(&msg,
+ "author %s\n"
+ "committer %s\n\n"
+ "Version of %s from %s\n",
+ ident, ident, path,
+ (!contents_from ? path :
+ (!strcmp(contents_from, "-") ? "standard input" : contents_from)));
+ commit->buffer = strbuf_detach(&msg, NULL);
+
if (!contents_from || strcmp("-", contents_from)) {
struct stat st;
const char *read_from;
switch (st.st_mode & S_IFMT) {
case S_IFREG:
if (DIFF_OPT_TST(opt, ALLOW_TEXTCONV) &&
- textconv_object(read_from, mode, null_sha1, &buf_ptr, &buf_len))
+ textconv_object(read_from, mode, null_sha1, 0, &buf_ptr, &buf_len))
strbuf_attach(&buf, buf_ptr, buf_len, buf_len + 1);
else if (strbuf_read_file(&buf, read_from, st.st_size) != st.st_size)
die_errno("cannot open or read '%s'", read_from);
}
else {
/* Reading from stdin */
- contents_from = "standard input";
mode = 0;
if (strbuf_read(&buf, 0, 0) < 0)
die_errno("failed to read from stdin");
ce = xcalloc(1, size);
hashcpy(ce->sha1, origin->blob_sha1);
memcpy(ce->name, path, len);
- ce->ce_flags = create_ce_flags(len, 0);
+ ce->ce_flags = create_ce_flags(0);
+ ce->ce_namelen = len;
ce->ce_mode = create_ce_mode(mode);
add_cache_entry(ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE);
*/
cache_tree_invalidate_path(active_cache_tree, path);
- commit->buffer = xmalloc(400);
- ident = fmt_ident("Not Committed Yet", "not.committed.yet", NULL, 0);
- snprintf(commit->buffer, 400,
- "tree 0000000000000000000000000000000000000000\n"
- "parent %s\n"
- "author %s\n"
- "committer %s\n\n"
- "Version of %s from %s\n",
- sha1_to_hex(head_sha1),
- ident, ident, path, contents_from ? contents_from : path);
return commit;
}
parse_done:
argc = parse_options_end(&ctx);
- if (abbrev == -1)
- abbrev = default_abbrev;
- /* one more abbrev length is needed for the boundary commit */
- abbrev++;
+ if (0 < abbrev)
+ /* one more abbrev length is needed for the boundary commit */
+ abbrev++;
if (revs_file && read_ancestry(revs_file))
die_errno("reading graft file '%s' failed", revs_file);
die("no such path %s in %s", path, final_commit_name);
if (DIFF_OPT_TST(&sb.revs->diffopt, ALLOW_TEXTCONV) &&
- textconv_object(path, o->mode, o->blob_sha1, (char **) &sb.final_buf,
+ textconv_object(path, o->mode, o->blob_sha1, 1, (char **) &sb.final_buf,
&sb.final_buf_size))
;
else