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Diffstat (limited to 'line-log.c')
-rw-r--r--line-log.c118
1 files changed, 78 insertions, 40 deletions
diff --git a/line-log.c b/line-log.c
index cdc2257db5..9010e00950 100644
--- a/line-log.c
+++ b/line-log.c
@@ -479,7 +479,7 @@ static struct commit *check_single_commit(struct rev_info *revs)
struct object *obj = revs->pending.objects[i].item;
if (obj->flags & UNINTERESTING)
continue;
- obj = deref_tag(obj, NULL, 0);
+ obj = deref_tag(revs->repo, obj, NULL, 0);
if (obj->type != OBJ_COMMIT)
die("Non commit %s?", revs->pending.objects[i].name);
if (commit)
@@ -496,20 +496,22 @@ static struct commit *check_single_commit(struct rev_info *revs)
return (struct commit *) commit;
}
-static void fill_blob_sha1(struct commit *commit, struct diff_filespec *spec)
+static void fill_blob_sha1(struct repository *r, struct commit *commit,
+ struct diff_filespec *spec)
{
- unsigned mode;
+ unsigned short mode;
struct object_id oid;
- if (get_tree_entry(commit->object.oid.hash, spec->path,
- oid.hash, &mode))
+ if (get_tree_entry(r, &commit->object.oid, spec->path, &oid, &mode))
die("There is no path %s in the commit", spec->path);
fill_filespec(spec, &oid, 1, mode);
return;
}
-static void fill_line_ends(struct diff_filespec *spec, long *lines,
+static void fill_line_ends(struct repository *r,
+ struct diff_filespec *spec,
+ long *lines,
unsigned long **line_ends)
{
int num = 0, size = 50;
@@ -517,7 +519,7 @@ static void fill_line_ends(struct diff_filespec *spec, long *lines,
unsigned long *ends = NULL;
char *data = NULL;
- if (diff_populate_filespec(spec, 0))
+ if (diff_populate_filespec(r, spec, 0))
die("Cannot read blob %s", oid_to_hex(&spec->oid));
ALLOC_ARRAY(ends, size);
@@ -556,7 +558,8 @@ static const char *nth_line(void *data, long line)
}
static struct line_log_data *
-parse_lines(struct commit *commit, const char *prefix, struct string_list *args)
+parse_lines(struct repository *r, struct commit *commit,
+ const char *prefix, struct string_list *args)
{
long lines = 0;
unsigned long *ends = NULL;
@@ -572,7 +575,7 @@ parse_lines(struct commit *commit, const char *prefix, struct string_list *args)
long begin = 0, end = 0;
long anchor;
- name_part = skip_range_arg(item->string);
+ name_part = skip_range_arg(item->string, r->index);
if (!name_part || *name_part != ':' || !name_part[1])
die("-L argument not 'start,end:file' or ':funcname:file': %s",
item->string);
@@ -583,8 +586,8 @@ parse_lines(struct commit *commit, const char *prefix, struct string_list *args)
name_part);
spec = alloc_filespec(full_name);
- fill_blob_sha1(commit, spec);
- fill_line_ends(spec, &lines, &ends);
+ fill_blob_sha1(r, commit, spec);
+ fill_line_ends(r, spec, &lines, &ends);
cb_data.spec = spec;
cb_data.lines = lines;
cb_data.line_ends = ends;
@@ -597,13 +600,13 @@ parse_lines(struct commit *commit, const char *prefix, struct string_list *args)
if (parse_range_arg(range_part, nth_line, &cb_data,
lines, anchor, &begin, &end,
- full_name))
+ full_name, r->index))
die("malformed -L argument '%s'", range_part);
- if (lines < end || ((lines || begin) && lines < begin))
+ if ((!lines && (begin || end)) || lines < begin)
die("file %s has only %lu lines", name_part, lines);
if (begin < 1)
begin = 1;
- if (end < 1)
+ if (end < 1 || lines < end)
end = lines;
begin--;
line_log_data_insert(&ranges, full_name, begin, end);
@@ -734,29 +737,48 @@ static struct line_log_data *lookup_line_range(struct rev_info *revs,
return ret;
}
+static int same_paths_in_pathspec_and_range(struct pathspec *pathspec,
+ struct line_log_data *range)
+{
+ int i;
+ struct line_log_data *r;
+
+ for (i = 0, r = range; i < pathspec->nr && r; i++, r = r->next)
+ if (strcmp(pathspec->items[i].match, r->path))
+ return 0;
+ if (i < pathspec->nr || r)
+ /* different number of pathspec items and ranges */
+ return 0;
+
+ return 1;
+}
+
+static void parse_pathspec_from_ranges(struct pathspec *pathspec,
+ struct line_log_data *range)
+{
+ struct line_log_data *r;
+ struct argv_array array = ARGV_ARRAY_INIT;
+ const char **paths;
+
+ for (r = range; r; r = r->next)
+ argv_array_push(&array, r->path);
+ paths = argv_array_detach(&array);
+
+ parse_pathspec(pathspec, 0, PATHSPEC_PREFER_FULL, "", paths);
+ /* strings are now owned by pathspec */
+ free(paths);
+}
+
void line_log_init(struct rev_info *rev, const char *prefix, struct string_list *args)
{
struct commit *commit = NULL;
struct line_log_data *range;
commit = check_single_commit(rev);
- range = parse_lines(commit, prefix, args);
+ range = parse_lines(rev->diffopt.repo, commit, prefix, args);
add_line_range(rev, commit, range);
- if (!rev->diffopt.detect_rename) {
- struct line_log_data *r;
- struct argv_array array = ARGV_ARRAY_INIT;
- const char **paths;
-
- for (r = range; r; r = r->next)
- argv_array_push(&array, r->path);
- paths = argv_array_detach(&array);
-
- parse_pathspec(&rev->diffopt.pathspec, 0,
- PATHSPEC_PREFER_FULL, "", paths);
- /* strings are now owned by pathspec */
- free(paths);
- }
+ parse_pathspec_from_ranges(&rev->diffopt.pathspec, range);
}
static void move_diff_queue(struct diff_queue_struct *dst,
@@ -814,15 +836,29 @@ static void queue_diffs(struct line_log_data *range,
struct diff_queue_struct *queue,
struct commit *commit, struct commit *parent)
{
+ struct object_id *tree_oid, *parent_tree_oid;
+
assert(commit);
+ tree_oid = get_commit_tree_oid(commit);
+ parent_tree_oid = parent ? get_commit_tree_oid(parent) : NULL;
+
+ if (opt->detect_rename &&
+ !same_paths_in_pathspec_and_range(&opt->pathspec, range)) {
+ clear_pathspec(&opt->pathspec);
+ parse_pathspec_from_ranges(&opt->pathspec, range);
+ }
DIFF_QUEUE_CLEAR(&diff_queued_diff);
- diff_tree_oid(parent ? &parent->tree->object.oid : NULL,
- &commit->tree->object.oid, "", opt);
- if (opt->detect_rename) {
+ diff_tree_oid(parent_tree_oid, tree_oid, "", opt);
+ if (opt->detect_rename && diff_might_be_rename()) {
+ /* must look at the full tree diff to detect renames */
+ clear_pathspec(&opt->pathspec);
+ DIFF_QUEUE_CLEAR(&diff_queued_diff);
+
+ diff_tree_oid(parent_tree_oid, tree_oid, "", opt);
+
filter_diffs_for_paths(range, 1);
- if (diff_might_be_rename())
- diffcore_std(opt);
+ diffcore_std(opt);
filter_diffs_for_paths(range, 0);
}
move_diff_queue(queue, &diff_queued_diff);
@@ -892,8 +928,8 @@ static void dump_diff_hacky_one(struct rev_info *rev, struct line_log_data *rang
return;
if (pair->one->oid_valid)
- fill_line_ends(pair->one, &p_lines, &p_ends);
- fill_line_ends(pair->two, &t_lines, &t_ends);
+ fill_line_ends(rev->diffopt.repo, pair->one, &p_lines, &p_ends);
+ fill_line_ends(rev->diffopt.repo, pair->two, &t_lines, &t_ends);
fprintf(opt->file, "%s%sdiff --git a/%s b/%s%s\n", prefix, c_meta, pair->one->path, pair->two->path, c_reset);
fprintf(opt->file, "%s%s--- %s%s%s\n", prefix, c_meta,
@@ -1009,12 +1045,12 @@ static int process_diff_filepair(struct rev_info *rev,
return 0;
assert(pair->two->oid_valid);
- diff_populate_filespec(pair->two, 0);
+ diff_populate_filespec(rev->diffopt.repo, pair->two, 0);
file_target.ptr = pair->two->data;
file_target.size = pair->two->size;
if (pair->one->oid_valid) {
- diff_populate_filespec(pair->one, 0);
+ diff_populate_filespec(rev->diffopt.repo, pair->one, 0);
file_parent.ptr = pair->one->data;
file_parent.size = pair->one->size;
} else {
@@ -1101,10 +1137,12 @@ static int process_all_files(struct line_log_data **range_out,
int line_log_print(struct rev_info *rev, struct commit *commit)
{
- struct line_log_data *range = lookup_line_range(rev, commit);
show_log(rev);
- dump_diff_hacky(rev, range);
+ if (!(rev->diffopt.output_format & DIFF_FORMAT_NO_OUTPUT)) {
+ struct line_log_data *range = lookup_line_range(rev, commit);
+ dump_diff_hacky(rev, range);
+ }
return 1;
}