diff options
| -rw-r--r-- | line-log.c | 71 | ||||
| -rwxr-xr-x | t/t4211-line-log.sh | 82 |
2 files changed, 134 insertions, 19 deletions
diff --git a/line-log.c b/line-log.c index 3aff1849e7..9010e00950 100644 --- a/line-log.c +++ b/line-log.c @@ -737,6 +737,38 @@ 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; @@ -746,20 +778,7 @@ void line_log_init(struct rev_info *rev, const char *prefix, struct string_list 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, @@ -817,15 +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 ? get_commit_tree_oid(parent) : NULL, - get_commit_tree_oid(commit), "", 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); diff --git a/t/t4211-line-log.sh b/t/t4211-line-log.sh index 1db7bd0f59..8319163744 100755 --- a/t/t4211-line-log.sh +++ b/t/t4211-line-log.sh @@ -132,4 +132,86 @@ test_expect_success '--raw is forbidden' ' test_must_fail git log -L1,24:b.c --raw ' +test_expect_success 'setup for checking fancy rename following' ' + git checkout --orphan moves-start && + git reset --hard && + + printf "%s\n" 12 13 14 15 b c d e >file-1 && + printf "%s\n" 22 23 24 25 B C D E >file-2 && + git add file-1 file-2 && + test_tick && + git commit -m "Add file-1 and file-2" && + oid_add_f1_f2=$(git rev-parse --short HEAD) && + + git checkout -b moves-main && + printf "%s\n" 11 12 13 14 15 b c d e >file-1 && + git commit -a -m "Modify file-1 on main" && + oid_mod_f1_main=$(git rev-parse --short HEAD) && + + printf "%s\n" 21 22 23 24 25 B C D E >file-2 && + git commit -a -m "Modify file-2 on main #1" && + oid_mod_f2_main_1=$(git rev-parse --short HEAD) && + + git mv file-1 renamed-1 && + git commit -m "Rename file-1 to renamed-1 on main" && + + printf "%s\n" 11 12 13 14 15 b c d e f >renamed-1 && + git commit -a -m "Modify renamed-1 on main" && + oid_mod_r1_main=$(git rev-parse --short HEAD) && + + printf "%s\n" 21 22 23 24 25 B C D E F >file-2 && + git commit -a -m "Modify file-2 on main #2" && + oid_mod_f2_main_2=$(git rev-parse --short HEAD) && + + git checkout -b moves-side moves-start && + printf "%s\n" 12 13 14 15 16 b c d e >file-1 && + git commit -a -m "Modify file-1 on side #1" && + oid_mod_f1_side_1=$(git rev-parse --short HEAD) && + + printf "%s\n" 22 23 24 25 26 B C D E >file-2 && + git commit -a -m "Modify file-2 on side" && + oid_mod_f2_side=$(git rev-parse --short HEAD) && + + git mv file-2 renamed-2 && + git commit -m "Rename file-2 to renamed-2 on side" && + + printf "%s\n" 12 13 14 15 16 a b c d e >file-1 && + git commit -a -m "Modify file-1 on side #2" && + oid_mod_f1_side_2=$(git rev-parse --short HEAD) && + + printf "%s\n" 22 23 24 25 26 A B C D E >renamed-2 && + git commit -a -m "Modify renamed-2 on side" && + oid_mod_r2_side=$(git rev-parse --short HEAD) && + + git checkout moves-main && + git merge moves-side && + oid_merge=$(git rev-parse --short HEAD) +' + +test_expect_success 'fancy rename following #1' ' + cat >expect <<-EOF && + $oid_merge Merge branch '\''moves-side'\'' into moves-main + $oid_mod_f1_side_2 Modify file-1 on side #2 + $oid_mod_f1_side_1 Modify file-1 on side #1 + $oid_mod_r1_main Modify renamed-1 on main + $oid_mod_f1_main Modify file-1 on main + $oid_add_f1_f2 Add file-1 and file-2 + EOF + git log -L1:renamed-1 --oneline --no-patch >actual && + test_cmp expect actual +' + +test_expect_success 'fancy rename following #2' ' + cat >expect <<-EOF && + $oid_merge Merge branch '\''moves-side'\'' into moves-main + $oid_mod_r2_side Modify renamed-2 on side + $oid_mod_f2_side Modify file-2 on side + $oid_mod_f2_main_2 Modify file-2 on main #2 + $oid_mod_f2_main_1 Modify file-2 on main #1 + $oid_add_f1_f2 Add file-1 and file-2 + EOF + git log -L1:renamed-2 --oneline --no-patch >actual && + test_cmp expect actual +' + test_done |