revision: implement sparse algorithm

diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index 2b71e62ec2c26e6b1bbbcf71e69c5e5b784dc2ba..76a7cb0af7955aa618556a43cc9f2a568d8de3e8 100755 (executable)
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -101,7 +101,6 @@ inspect() {
 
 test_expect_success 'submodule add' '
        echo "refs/heads/master" >expect &&
-       >empty &&
 
        (
                cd addtest &&
@@ -123,7 +122,7 @@ test_expect_success 'submodule add' '
        inspect addtest/submod ../.. &&
        test_cmp expect heads &&
        test_cmp expect head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success 'setup parent and one repository' '
@@ -189,7 +188,6 @@ test_expect_success 'submodule add --branch' '
        refs/heads/initial
        refs/heads/master
        EOF
-       >empty &&
 
        (
                cd addtest &&
@@ -202,12 +200,11 @@ test_expect_success 'submodule add --branch' '
        inspect addtest/submod-branch ../.. &&
        test_cmp expect-heads heads &&
        test_cmp expect-head head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success 'submodule add with ./ in path' '
        echo "refs/heads/master" >expect &&
-       >empty &&
 
        (
                cd addtest &&
@@ -219,12 +216,11 @@ test_expect_success 'submodule add with ./ in path' '
        inspect addtest/dotsubmod/frotz ../../.. &&
        test_cmp expect heads &&
        test_cmp expect head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success 'submodule add with /././ in path' '
        echo "refs/heads/master" >expect &&
-       >empty &&
 
        (
                cd addtest &&
@@ -236,12 +232,11 @@ test_expect_success 'submodule add with /././ in path' '
        inspect addtest/dotslashdotsubmod/frotz ../../.. &&
        test_cmp expect heads &&
        test_cmp expect head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success 'submodule add with // in path' '
        echo "refs/heads/master" >expect &&
-       >empty &&
 
        (
                cd addtest &&
@@ -253,12 +248,11 @@ test_expect_success 'submodule add with // in path' '
        inspect addtest/slashslashsubmod/frotz ../../.. &&
        test_cmp expect heads &&
        test_cmp expect head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success 'submodule add with /.. in path' '
        echo "refs/heads/master" >expect &&
-       >empty &&
 
        (
                cd addtest &&
@@ -270,12 +264,11 @@ test_expect_success 'submodule add with /.. in path' '
        inspect addtest/realsubmod ../.. &&
        test_cmp expect heads &&
        test_cmp expect head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success 'submodule add with ./, /.. and // in path' '
        echo "refs/heads/master" >expect &&
-       >empty &&
 
        (
                cd addtest &&
@@ -287,7 +280,7 @@ test_expect_success 'submodule add with ./, /.. and // in path' '
        inspect addtest/realsubmod2 ../.. &&
        test_cmp expect heads &&
        test_cmp expect head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success !CYGWIN 'submodule add with \\ in path' '
@@ -306,7 +299,6 @@ test_expect_success !CYGWIN 'submodule add with \\ in path' '
 
 test_expect_success 'submodule add in subdirectory' '
        echo "refs/heads/master" >expect &&
-       >empty &&
 
        mkdir addtest/sub &&
        (
@@ -319,7 +311,7 @@ test_expect_success 'submodule add in subdirectory' '
        inspect addtest/realsubmod3 ../.. &&
        test_cmp expect heads &&
        test_cmp expect head &&
-       test_cmp empty untracked
+       test_must_be_empty untracked
 '
 
 test_expect_success 'submodule add in subdirectory with relative path should fail' '
@@ -502,8 +494,6 @@ test_expect_success 'checkout superproject with subproject already present' '
 '
 
 test_expect_success 'apply submodule diff' '
-       >empty &&
-
        git branch second &&
        (
                cd init &&
@@ -518,7 +508,7 @@ test_expect_success 'apply submodule diff' '
        git apply --index P.diff &&
 
        git diff --cached master >staged &&
-       test_cmp empty staged
+       test_must_be_empty staged
 '
 
 test_expect_success 'update --init' '
@@ -994,11 +984,6 @@ test_expect_success 'submodule deinit should remove the whole submodule section
        rmdir init
 '
 
-test_expect_success 'submodule deinit should unset core.worktree' '
-       test_path_is_file .git/modules/example/config &&
-       test_must_fail git config -f .git/modules/example/config core.worktree
-'
-
 test_expect_success 'submodule deinit from subdirectory' '
        git submodule update --init &&
        git config submodule.example.foo bar &&
@@ -1239,6 +1224,30 @@ test_expect_success 'submodule update and setting submodule.<name>.active' '
        test_cmp expect actual
 '
 
+test_expect_success 'clone active submodule without submodule url set' '
+       test_when_finished "rm -rf test/test" &&
+       mkdir test &&
+       # another dir breaks accidental relative paths still being correct
+       git clone file://"$pwd"/multisuper test/test &&
+       (
+               cd test/test &&
+               git config submodule.active "." &&
+
+               # do not pass --init flag, as the submodule is already active:
+               git submodule update &&
+               git submodule status >actual_raw &&
+
+               cut -c 1,43- actual_raw >actual &&
+               cat >expect <<-\EOF &&
+                sub0 (test2)
+                sub1 (test2)
+                sub2 (test2)
+                sub3 (test2)
+               EOF
+               test_cmp expect actual
+       )
+'
+
 test_expect_success 'clone --recurse-submodules with a pathspec works' '
        test_when_finished "rm -rf multisuper_clone" &&
        cat >expected <<-\EOF &&