--- /dev/null
+#!/bin/sh
+
+test_description='git am running'
+
+. ./test-lib.sh
+
+cat >msg <<EOF
+second
+
+Lorem ipsum dolor sit amet, consectetuer sadipscing elitr, sed diam nonumy
+eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam
+voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita
+kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem
+ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod
+tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At
+vero eos et accusam et justo duo dolores et ea rebum.
+
+ Duis autem vel eum iriure dolor in hendrerit in vulputate velit
+ esse molestie consequat, vel illum dolore eu feugiat nulla facilisis
+ at vero eros et accumsan et iusto odio dignissim qui blandit
+ praesent luptatum zzril delenit augue duis dolore te feugait nulla
+ facilisi.
+
+
+Lorem ipsum dolor sit amet,
+consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut
+laoreet dolore magna aliquam erat volutpat.
+
+ git
+ ---
+ +++
+
+Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit
+lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure
+dolor in hendrerit in vulputate velit esse molestie consequat, vel illum
+dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio
+dignissim qui blandit praesent luptatum zzril delenit augue duis dolore te
+feugait nulla facilisi.
+EOF
+
+cat >failmail <<EOF
+From foo@example.com Fri May 23 10:43:49 2008
+From: foo@example.com
+To: bar@example.com
+Subject: Re: [RFC/PATCH] git-foo.sh
+Date: Fri, 23 May 2008 05:23:42 +0200
+
+Sometimes we have to find out that there's nothing left.
+
+EOF
+
+cat >pine <<EOF
+From MAILER-DAEMON Fri May 23 10:43:49 2008
+Date: 23 May 2008 05:23:42 +0200
+From: Mail System Internal Data <MAILER-DAEMON@example.com>
+Subject: DON'T DELETE THIS MESSAGE -- FOLDER INTERNAL DATA
+Message-ID: <foo-0001@example.com>
+
+This text is part of the internal format of your mail folder, and is not
+a real message. It is created automatically by the mail system software.
+If deleted, important folder data will be lost, and it will be re-created
+with the data reset to initial values.
+
+EOF
+
+echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" >expected
+
+test_expect_success setup '
+ echo hello >file &&
+ git add file &&
+ test_tick &&
+ git commit -m first &&
+ git tag first &&
+ echo world >>file &&
+ git add file &&
+ test_tick &&
+ git commit -s -F msg &&
+ git tag second &&
+ git format-patch --stdout first >patch1 &&
+ sed -n -e "3,\$p" msg >file &&
+ git add file &&
+ test_tick &&
+ git commit -m third &&
+ git format-patch --stdout first >patch2 &&
+ git checkout -b lorem &&
+ sed -n -e "11,\$p" msg >file &&
+ head -n 9 msg >>file &&
+ test_tick &&
+ git commit -a -m "moved stuff" &&
+ echo goodbye >another &&
+ git add another &&
+ test_tick &&
+ git commit -m "added another file" &&
+ git format-patch --stdout master >lorem-move.patch
+'
+
+# reset time
+unset test_tick
+test_tick
+
+test_expect_success 'am applies patch correctly' '
+ git checkout first &&
+ test_tick &&
+ git am <patch1 &&
+ ! test -d .dotest &&
+ test -z "$(git diff second)" &&
+ test "$(git rev-parse second)" = "$(git rev-parse HEAD)" &&
+ test "$(git rev-parse second^)" = "$(git rev-parse HEAD^)"
+'
+
+GIT_AUTHOR_NAME="Another Thor"
+GIT_AUTHOR_EMAIL="a.thor@example.com"
+GIT_COMMITTER_NAME="Co M Miter"
+GIT_COMMITTER_EMAIL="c.miter@example.com"
+export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_COMMITTER_NAME GIT_COMMITTER_EMAIL
+
+compare () {
+ test "$(git cat-file commit "$2" | grep "^$1 ")" = \
+ "$(git cat-file commit "$3" | grep "^$1 ")"
+}
+
+test_expect_success 'am changes committer and keeps author' '
+ test_tick &&
+ git checkout first &&
+ git am patch2 &&
+ ! test -d .dotest &&
+ test "$(git rev-parse master^^)" = "$(git rev-parse HEAD^^)" &&
+ test -z "$(git diff master..HEAD)" &&
+ test -z "$(git diff master^..HEAD^)" &&
+ compare author master HEAD &&
+ compare author master^ HEAD^ &&
+ test "$GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" = \
+ "$(git log -1 --pretty=format:"%cn <%ce>" HEAD)"
+'
+
+test_expect_success 'am --signoff adds Signed-off-by: line' '
+ git checkout -b master2 first &&
+ git am --signoff <patch2 &&
+ echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" >>expected &&
+ git cat-file commit HEAD^ | grep "Signed-off-by:" >actual &&
+ test_cmp actual expected &&
+ echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" >expected &&
+ git cat-file commit HEAD | grep "Signed-off-by:" >actual &&
+ test_cmp actual expected
+'
+
+test_expect_success 'am stays in branch' '
+ test "refs/heads/master2" = "$(git symbolic-ref HEAD)"
+'
+
+test_expect_success 'am --signoff does not add Signed-off-by: line if already there' '
+ git format-patch --stdout HEAD^ >patch3 &&
+ sed -e "/^Subject/ s,\[PATCH,Re: Re: Re: & 1/5 v2," patch3 >patch4
+ git checkout HEAD^ &&
+ git am --signoff patch4 &&
+ test "$(git cat-file commit HEAD | grep -c "^Signed-off-by:")" -eq 1
+'
+
+test_expect_success 'am without --keep removes Re: and [PATCH] stuff' '
+ test "$(git rev-parse HEAD)" = "$(git rev-parse master2)"
+'
+
+test_expect_success 'am --keep really keeps the subject' '
+ git checkout HEAD^ &&
+ git am --keep patch4 &&
+ ! test -d .dotest &&
+ git-cat-file commit HEAD |
+ grep -q -F "Re: Re: Re: [PATCH 1/5 v2] third"
+'
+
+test_expect_success 'am -3 falls back to 3-way merge' '
+ git checkout -b lorem2 master2 &&
+ sed -n -e "3,\$p" msg >file &&
+ head -n 9 msg >>file &&
+ git add file &&
+ test_tick &&
+ git commit -m "copied stuff" &&
+ git am -3 lorem-move.patch &&
+ ! test -d .dotest &&
+ test -z "$(git diff lorem)"
+'
+
+test_expect_success 'am pauses on conflict' '
+ git checkout lorem2^^ &&
+ ! git am lorem-move.patch &&
+ test -d .dotest
+'
+
+test_expect_success 'am --skip works' '
+ git am --skip &&
+ ! test -d .dotest &&
+ test -z "$(git diff lorem2^^ -- file)" &&
+ test goodbye = "$(cat another)"
+'
+
+test_expect_success 'am --resolved works' '
+ git checkout lorem2^^ &&
+ ! git am lorem-move.patch &&
+ test -d .dotest &&
+ echo resolved >>file &&
+ git add file &&
+ git am --resolved &&
+ ! test -d .dotest &&
+ test goodbye = "$(cat another)"
+'
+
+test_expect_success 'am takes patches from a Pine mailbox' '
+ git checkout first &&
+ cat pine patch1 | git am &&
+ ! test -d .dotest &&
+ test -z "$(git diff master^..HEAD)"
+'
+
+test_expect_success 'am fails on mail without patch' '
+ ! git am <failmail &&
+ rm -r .dotest/
+'
+
+test_expect_success 'am fails on empty patch' '
+ echo "---" >>failmail &&
+ ! git am <failmail &&
+ git am --skip &&
+ ! test -d .dotest
+'
+
+test_done