[PATCH] Make git log --follow support --find-copies-harder.
From: Bo Yang <hidden>
Date: 2016-06-15 22:48:41
Subsystem:
the rest · Maintainer:
Linus Torvalds
'git log --follow --find-copies-harder <path>' don't track copies from unmodified files, and this patch fix it. Signed-off-by: Bo Yang <redacted> --- t/t4205-log-follow-harder-copies.sh | 56 +++++++++++++++++++++++++++++++++++ tree-diff.c | 2 + 2 files changed, 58 insertions(+), 0 deletions(-) create mode 100755 t/t4205-log-follow-harder-copies.sh
diff --git a/t/t4205-log-follow-harder-copies.sh b/t/t4205-log-follow-harder-copies.sh
new file mode 100755
index 0000000..11e85f4
--- /dev/null
+++ b/t/t4205-log-follow-harder-copies.sh@@ -0,0 +1,56 @@ +#!/bin/sh +# +# Copyright (c) 2010 Bo Yang +# + +test_description='Test --follow with --find-copies-harder in git log. + +' +. ./test-lib.sh +. "$TEST_DIRECTORY"/diff-lib.sh + +echo >path0 'Line 1 +Line 2 +Line 3 +' + +test_expect_success \ + 'add a file path0 and commit.' \ + 'git add path0 && + git commit -m "Add path0"' + +echo >path0 'New line 1 +New line 2 +New line 3 +' +test_expect_success \ + 'Change path0.' \ + 'git add path0 && + git commit -m "Change path0"' + +cat <path0 >path1 +test_expect_success \ + 'copy path0 to path1.' \ + 'git add path1 && + git commit -m "Copy path1 from path0"' + +test_expect_success \ + 'find the copy path0 -> path1 harder' \ + 'git log --follow --find-copies-harder --name-status --pretty="format:%s" path1 > current' + +cat >expected <<\EOF +Copy path1 from path0 +C100 path0 path1 + +Change path0 +M path0 + +Add path0 +A path0 +EOF + +test_expect_success \ + 'validate the output.' \ + 'compare_diff_patch current expected' + +test_done
diff --git a/tree-diff.c b/tree-diff.c
index fe9f52c..0dea53e 100644
--- a/tree-diff.c
+++ b/tree-diff.c@@ -346,6 +346,8 @@ static void try_to_follow_renames(struct tree_desc *t1, struct tree_desc *t2, co diff_setup(&diff_opts); DIFF_OPT_SET(&diff_opts, RECURSIVE); + if (DIFF_OPT_TST(opt, FIND_COPIES_HARDER)) + DIFF_OPT_SET(&diff_opts, FIND_COPIES_HARDER); diff_opts.detect_rename = DIFF_DETECT_RENAME; diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT; diff_opts.single_follow = opt->paths[0];
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1.7.0.2.273.gc2413.dirty