Merge branch 'js/patch'

* js/patch:
  diff.c: fix get_patch_id()
  t4014: fix test commit labels.
  format-patch: use clear_commit_marks() instead of some ad-hockery
  t4014: fix for whitespace from "wc -l"
  t4014: add format-patch --ignore-if-in-upstream test
  format-patch: introduce "--ignore-if-in-upstream"
  add diff_flush_patch_id() to calculate the patch id

1 files changed, 69 insertions, 0 deletions

diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
new file mode 100755
index 000000000..4795872a7
--- /dev/null
+++ b/t/t4014-format-patch.sh
@@ -0,0 +1,69 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Junio C Hamano
+#
+
+test_description='Format-patch skipping already incorporated patches'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+	for i in 1 2 3 4 5 6 7 8 9 10; do echo "$i"; done >file &&
+	git add file &&
+	git commit -m Initial &&
+	git checkout -b side &&
+
+	for i in 1 2 5 6 A B C 7 8 9 10; do echo "$i"; done >file &&
+	git update-index file &&
+	git commit -m "Side change #1" &&
+
+	for i in D E F; do echo "$i"; done >>file &&
+	git update-index file &&
+	git commit -m "Side change #2" &&
+	git tag C2 &&
+
+	for i in 5 6 1 2 3 A 4 B C 7 8 9 10 D E F; do echo "$i"; done >file &&
+	git update-index file &&
+	git commit -m "Side change #3" &&
+
+	git checkout master &&
+	git diff-tree -p C2 | git apply --index &&
+	git commit -m "Master accepts moral equivalent of #2"
+
+'
+
+test_expect_success "format-patch --ignore-if-in-upstream" '
+
+	git format-patch --stdout master..side >patch0 &&
+	cnt=`grep "^From " patch0 | wc -l` &&
+	test $cnt = 3
+
+'
+
+test_expect_success "format-patch --ignore-if-in-upstream" '
+
+	git format-patch --stdout \
+		--ignore-if-in-upstream master..side >patch1 &&
+	cnt=`grep "^From " patch1 | wc -l` &&
+	test $cnt = 2
+
+'
+
+test_expect_success "format-patch result applies" '
+
+	git checkout -b rebuild-0 master &&
+	git am -3 patch0 &&
+	cnt=`git rev-list master.. | wc -l` &&
+	test $cnt = 2
+'
+
+test_expect_success "format-patch --ignore-if-in-upstream result applies" '
+
+	git checkout -b rebuild-1 master &&
+	git am -3 patch1 &&
+	cnt=`git rev-list master.. | wc -l` &&
+	test $cnt = 2
+'
+
+test_done