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[PATCH v2 09/16] blame: teach -L/RE/ to search from end of previous -L range

From
Eric Sunshine <sunshine@sunshineco.com>
Date
Aug 6, 2013, 13:59 UTC
Message-ID
<1375797589-65308-10-git-send-email-sunshine@sunshineco.com>
In-Reply-To
<1375797589-65308-1-git-send-email-sunshine@sunshineco.com>
Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
---
 builtin/blame.c     |  5 ++++-
 t/annotate-tests.sh | 20 ++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)
diff --git a/builtin/blame.c b/builtin/blame.c
index 7b084d8..1bf8056 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -2280,6 +2280,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 	int cmd_is_annotate = !strcmp(argv[0], "annotate");
 	struct range_set ranges;
 	unsigned int range_i;
+	long anchor;
 
 	git_config(git_blame_config, NULL);
 	init_revisions(&revs, NULL);
@@ -2475,11 +2476,12 @@ parse_done:
 	if (lno && !range_list.nr)
 		string_list_append(&range_list, xstrdup("1"));
 
+	anchor = 1;
 	range_set_init(&ranges, range_list.nr);
 	for (range_i = 0; range_i < range_list.nr; ++range_i) {
 		long bottom, top;
 		if (parse_range_arg(range_list.items[range_i].string,
-				    nth_line_cb, &sb, lno, 1,
+				    nth_line_cb, &sb, lno, anchor,
 				    &bottom, &top, sb.path))
 			usage(blame_usage);
 		if (lno < top || ((lno || bottom) && lno < bottom))
@@ -2490,6 +2492,7 @@ parse_done:
 			top = lno;
 		bottom--;
 		range_set_append_unsafe(&ranges, bottom, top);
+		anchor = top + 1;
 	}
 	sort_and_merge_range_set(&ranges);
 
diff --git a/t/annotate-tests.sh b/t/annotate-tests.sh
index 77083d9..b963d36 100644
--- a/t/annotate-tests.sh
+++ b/t/annotate-tests.sh
@@ -303,6 +303,26 @@ test_expect_success 'blame -L multiple (superset/subset: unordered)' '
 	check_count -L3,5 -L2,8 A 1 B 1 B1 1 B2 1 C 1 D 1 "A U Thor" 1
 '
 
+test_expect_success 'blame -L /RE/ (relative)' '
+	check_count -L3,3 -L/fox/ B1 1 B2 1 C 1 D 1 "A U Thor" 1
+'
+
+test_expect_success 'blame -L /RE/ (relative: no preceding range)' '
+	check_count -L/dog/ A 1 B 1 B1 1 B2 1 C 1 D 1 "A U Thor" 1
+'
+
+test_expect_success 'blame -L /RE/ (relative: adjacent)' '
+	check_count -L1,1 -L/dog/,+1 A 1 E 1
+'
+
+test_expect_success 'blame -L /RE/ (relative: not found)' '
+	test_must_fail $PROG -L4,4 -L/dog/ file
+'
+
+test_expect_success 'blame -L /RE/ (relative: end-of-file)' '
+	test_must_fail $PROG -L, -L/$/ file
+'
+
 test_expect_success 'setup -L :regex' '
 	tr Q "\\t" >hello.c <<-\EOF &&
 	int main(int argc, const char *argv[])
-- 
1.8.4.rc1.409.gbd48715
Previous: Junio C HamanoNext: Junio C Hamano
Message 14 of 22 in “blame: accept multiple -L ranges”
  1. 00/16 blame: accept multiple -L rangesEric Sunshine, Aug 6, 2013
  2. 01/16 git-log.txt: place each -L option variation on its own lineEric Sunshine, Aug 6, 2013
  3. 02/16 line-range-format.txt: clarify -L:regex usage formEric Sunshine, Aug 6, 2013
  4. 03/16 range-set: publish API for re-use by git-blame -LEric Sunshine, Aug 6, 2013
  5. 04/16 blame: inline one-line function into its lone callerEric Sunshine, Aug 6, 2013
  6. 05/16 blame: accept multiple -L rangesEric Sunshine, Aug 6, 2013
  7. Junio C HamanoAug 6, 2013
  8. Eric SunshineAug 6, 2013
  9. Junio C HamanoAug 6, 2013
  10. 06/16 t8001/t8002: blame: add tests of multiple -L optionsEric Sunshine, Aug 6, 2013
  11. 07/16 blame: document multiple -L supportEric Sunshine, Aug 6, 2013
  12. 08/16 line-range: teach -L/RE/ to search relative to anchor pointEric Sunshine, Aug 6, 2013
  13. Junio C HamanoAug 6, 2013
  14. 09/16 blame: teach -L/RE/ to search from end of previous -L rangeEric Sunshine, Aug 6, 2013
  15. Junio C HamanoAug 6, 2013
  16. 10/16 log: teach -L/RE/ to search from end of previous -L rangeEric Sunshine, Aug 6, 2013
  17. 11/16 line-range-format.txt: document -L/RE/ relative searchEric Sunshine, Aug 6, 2013
  18. 12/16 line-range: teach -L^/RE/ to search from start of fileEric Sunshine, Aug 6, 2013
  19. 13/16 line-range: teach -L:RE to search from end of previous -L rangeEric Sunshine, Aug 6, 2013
  20. 14/16 line-range: teach -L^:RE to search from start of fileEric Sunshine, Aug 6, 2013
  21. 15/16 t8001/t8002: blame: add tests of -L line numbers less than 1Eric Sunshine, Aug 6, 2013
  22. 16/16 line-range: reject -L line numbers less than 1Eric Sunshine, Aug 6, 2013

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