grep: Add basic tests

diff --git a/t/t9300-fast-import.sh b/t/t9300-fast-import.sh
index 52ac0e56dce12016ab03155bd16b2b66b062fca3..6b1ba6c858562b7c085951fb1d69d4d2371e866c 100755 (executable)
--- a/t/t9300-fast-import.sh
+++ b/t/t9300-fast-import.sh
@@ -42,6 +42,14 @@ echo "$@"'
 
 >empty
 
+test_expect_success 'setup: have pipes?' '
+       rm -f frob &&
+       if mkfifo frob
+       then
+               test_set_prereq PIPE
+       fi
+'
+
 ###
 ### series A
 ###
@@ -898,6 +906,77 @@ test_expect_success \
         git diff-tree -C --find-copies-harder -r N4^ N4 >actual &&
         compare_diff_raw expect actual'
 
+test_expect_success PIPE 'N: read and copy directory' '
+       cat >expect <<-\EOF
+       :100755 100755 f1fb5da718392694d0076d677d6d0e364c79b0bc f1fb5da718392694d0076d677d6d0e364c79b0bc C100   file2/newf      file3/newf
+       :100644 100644 7123f7f44e39be127c5eb701e5968176ee9d78b1 7123f7f44e39be127c5eb701e5968176ee9d78b1 C100   file2/oldf      file3/oldf
+       EOF
+       git update-ref -d refs/heads/N4 &&
+       rm -f backflow &&
+       mkfifo backflow &&
+       (
+               exec <backflow &&
+               cat <<-EOF &&
+               commit refs/heads/N4
+               committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+               data <<COMMIT
+               copy by tree hash, part 2
+               COMMIT
+
+               from refs/heads/branch^0
+               ls "file2"
+               EOF
+               read mode type tree filename &&
+               echo "M 040000 $tree file3"
+       ) |
+       git fast-import --cat-blob-fd=3 3>backflow &&
+       git diff-tree -C --find-copies-harder -r N4^ N4 >actual &&
+       compare_diff_raw expect actual
+'
+
+test_expect_success PIPE 'N: empty directory reads as missing' '
+       cat <<-\EOF >expect &&
+       OBJNAME
+       :000000 100644 OBJNAME OBJNAME A        unrelated
+       EOF
+       echo "missing src" >expect.response &&
+       git update-ref -d refs/heads/read-empty &&
+       rm -f backflow &&
+       mkfifo backflow &&
+       (
+               exec <backflow &&
+               cat <<-EOF &&
+               commit refs/heads/read-empty
+               committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+               data <<COMMIT
+               read "empty" (missing) directory
+               COMMIT
+
+               M 100644 inline src/greeting
+               data <<BLOB
+               hello
+               BLOB
+               C src/greeting dst1/non-greeting
+               C src/greeting unrelated
+               # leave behind "empty" src directory
+               D src/greeting
+               ls "src"
+               EOF
+               read -r line &&
+               printf "%s\n" "$line" >response &&
+               cat <<-\EOF
+               D dst1
+               D dst2
+               EOF
+       ) |
+       git fast-import --cat-blob-fd=3 3>backflow &&
+       test_cmp expect.response response &&
+       git rev-list read-empty |
+       git diff-tree -r --root --stdin |
+       sed "s/$_x40/OBJNAME/g" >actual &&
+       test_cmp expect actual
+'
+
 test_expect_success \
        'N: copy root directory by tree hash' \
        'cat >expect <<-\EOF &&
@@ -1861,6 +1940,11 @@ test_expect_success 'R: feature no-relative-marks should be honoured' '
     test_cmp marks.new non-relative.out
 '
 
+test_expect_success 'R: feature ls supported' '
+       echo "feature ls" |
+       git fast-import
+'
+
 test_expect_success 'R: feature cat-blob supported' '
        echo "feature cat-blob" |
        git fast-import
@@ -1986,14 +2070,6 @@ test_expect_success 'R: print two blobs to stdout' '
        test_cmp expect actual
 '
 
-test_expect_success 'setup: have pipes?' '
-       rm -f frob &&
-       if mkfifo frob
-       then
-               test_set_prereq PIPE
-       fi
-'
-
 test_expect_success PIPE 'R: copy using cat-file' '
        expect_id=$(git hash-object big) &&
        expect_len=$(wc -c <big) &&