standardize and improve lookup rules for external local repos

diff --git a/t/t7810-grep.sh b/t/t7810-grep.sh
index 4a05e79caee758ee7c2dbeb1914d41fc79346fd2..81263b78516cbe2949ad7e426a5e44af188cccdd 100755 (executable)
--- a/t/t7810-grep.sh
+++ b/t/t7810-grep.sh
@@ -570,6 +570,23 @@ test_expect_success 'outside of git repository' '
                test_must_fail git grep o &&
                git grep --no-index o >../../actual.sub &&
                test_cmp ../../expect.sub ../../actual.sub
+       ) &&
+
+       echo ".*o*" >non/git/.gitignore &&
+       (
+               GIT_CEILING_DIRECTORIES="$(pwd)/non/git" &&
+               export GIT_CEILING_DIRECTORIES &&
+               cd non/git &&
+               test_must_fail git grep o &&
+               git grep --no-index --exclude-standard o >../actual.full &&
+               test_cmp ../expect.full ../actual.full &&
+
+               {
+                       echo ".gitignore:.*o*"
+                       cat ../expect.full
+               } >../expect.with.ignored &&
+               git grep --no-index --no-exclude o >../actual.full &&
+               test_cmp ../expect.with.ignored ../actual.full
        )
 '
 
@@ -580,9 +597,12 @@ test_expect_success 'inside git repository but with --no-index' '
        echo world >is/git/sub/file2 &&
        echo ".*o*" >is/git/.gitignore &&
        {
-               echo ".gitignore:.*o*" &&
                echo file1:hello &&
                echo sub/file2:world
+       } >is/expect.unignored &&
+       {
+               echo ".gitignore:.*o*" &&
+               cat is/expect.unignored
        } >is/expect.full &&
        : >is/expect.empty &&
        echo file2:world >is/expect.sub &&
@@ -591,12 +611,24 @@ test_expect_success 'inside git repository but with --no-index' '
                git init &&
                test_must_fail git grep o >../actual.full &&
                test_cmp ../expect.empty ../actual.full &&
+
+               git grep --untracked o >../actual.unignored &&
+               test_cmp ../expect.unignored ../actual.unignored &&
+
                git grep --no-index o >../actual.full &&
                test_cmp ../expect.full ../actual.full &&
+
+               git grep --no-index --exclude-standard o >../actual.unignored &&
+               test_cmp ../expect.unignored ../actual.unignored &&
+
                cd sub &&
                test_must_fail git grep o >../../actual.sub &&
                test_cmp ../../expect.empty ../../actual.sub &&
+
                git grep --no-index o >../../actual.sub &&
+               test_cmp ../../expect.sub ../../actual.sub &&
+
+               git grep --untracked o >../../actual.sub &&
                test_cmp ../../expect.sub ../../actual.sub
        )
 '