t4014: add format-patch --ignore-if-in-upstream test

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
new file mode 100755 (executable)
index 0000000..c044044
--- /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 "$i"; done >>file &&
+       git update-index file &&
+       git commit -m "Side change #2" &&
+       git tag C1 &&
+
+       for i in 5 6 1 2 3 A 4 B C 7 8 9 10 D E F; do echo "$i"; done >file &&
+       git update-index file &&
+       git commit -m "Side change #3" &&
+
+       git checkout master &&
+       git diff-tree -p C1 | git apply --index &&
+       git commit -m "Master accepts moral equivalent of #1"
+
+'
+
+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