diff.c: rewrite emit_line_0 more understandably

diff --git a/t/t7501-commit.sh b/t/t7501-commit.sh
index fa61b1a4ee4a1d5ba457cb30e5cc045f724ed503..51646d80197486a19475a144ae8e64b2151b511c 100755 (executable)
--- a/t/t7501-commit.sh
+++ b/t/t7501-commit.sh
@@ -47,11 +47,23 @@ test_expect_success 'paths and -a do not mix' '
 test_expect_success PERL 'can use paths with --interactive' '
        echo bong-o-bong >file &&
        # 2: update, 1:st path, that is all, 7: quit
-       ( echo 2; echo 1; echo; echo 7 ) |
+       test_write_lines 2 1 "" 7 |
        git commit -m foo --interactive file &&
        git reset --hard HEAD^
 '
 
+test_expect_success 'removed files and relative paths' '
+       test_when_finished "rm -rf foo" &&
+       git init foo &&
+       >foo/foo.txt &&
+       git -C foo add foo.txt &&
+       git -C foo commit -m first &&
+       git -C foo rm foo.txt &&
+
+       mkdir -p foo/bar &&
+       git -C foo/bar commit -m second ../foo.txt
+'
+
 test_expect_success 'using invalid commit with -C' '
        test_must_fail git commit --allow-empty -C bogus
 '
@@ -281,7 +293,7 @@ test_expect_success PERL 'interactive add' '
 test_expect_success PERL "commit --interactive doesn't change index if editor aborts" '
        echo zoo >file &&
        test_must_fail git diff --exit-code >diff1 &&
-       (echo u ; echo "*" ; echo q) |
+       test_write_lines u "*" q |
        (
                EDITOR=: &&
                export EDITOR &&
@@ -399,8 +411,8 @@ test_expect_success 'sign off (1)' '
        git commit -s -m "thank you" &&
        git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
        (
-               echo thank you
-               echo
+               echo thank you &&
+               echo &&
                git var GIT_COMMITTER_IDENT |
                sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /"
        ) >expected &&
@@ -418,9 +430,9 @@ test_expect_success 'sign off (2)' '
 $existing" &&
        git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
        (
-               echo thank you
-               echo
-               echo $existing
+               echo thank you &&
+               echo &&
+               echo $existing &&
                git var GIT_COMMITTER_IDENT |
                sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /"
        ) >expected &&
@@ -438,9 +450,9 @@ test_expect_success 'signoff gap' '
 $alt" &&
        git cat-file commit HEAD | sed -e "1,/^\$/d" > actual &&
        (
-               echo welcome
-               echo
-               echo $alt
+               echo welcome &&
+               echo &&
+               echo $alt &&
                git var GIT_COMMITTER_IDENT |
                sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /"
        ) >expected &&
@@ -458,11 +470,11 @@ We have now
 $alt" &&
        git cat-file commit HEAD | sed -e "1,/^\$/d" > actual &&
        (
-               echo welcome
-               echo
-               echo We have now
-               echo $alt
-               echo
+               echo welcome &&
+               echo &&
+               echo We have now &&
+               echo $alt &&
+               echo &&
                git var GIT_COMMITTER_IDENT |
                sed -e "s/>.*/>/" -e "s/^/Signed-off-by: /"
        ) >expected &&
@@ -479,11 +491,11 @@ non-trailer line
 Myfooter: x" &&
        git cat-file commit HEAD | sed -e "1,/^\$/d" > actual &&
        (
-               echo subject
-               echo
-               echo non-trailer line
-               echo Myfooter: x
-               echo
+               echo subject &&
+               echo &&
+               echo non-trailer line &&
+               echo Myfooter: x &&
+               echo &&
                echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
        ) >expected &&
        test_cmp expected actual &&
@@ -496,10 +508,10 @@ non-trailer line
 Myfooter: x" &&
        git cat-file commit HEAD | sed -e "1,/^\$/d" > actual &&
        (
-               echo subject
-               echo
-               echo non-trailer line
-               echo Myfooter: x
+               echo subject &&
+               echo &&
+               echo non-trailer line &&
+               echo Myfooter: x &&
                echo "Signed-off-by: $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
        ) >expected &&
        test_cmp expected actual
@@ -512,10 +524,10 @@ test_expect_success 'multiple -m' '
        git commit -m "one" -m "two" -m "three" &&
        git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
        (
-               echo one
-               echo
-               echo two
-               echo
+               echo one &&
+               echo &&
+               echo two &&
+               echo &&
                echo three
        ) >expected &&
        test_cmp expected actual