add update 'none' flag to disable update of submodule by default

diff --git a/t/t7406-submodule-update.sh b/t/t7406-submodule-update.sh
index 4f16fcce2bfcb63f437fa6b495fdb5c4370fccc1..58877d3b38786a6811e7ddbd78d54318c5abdece 100755 (executable)
--- a/t/t7406-submodule-update.sh
+++ b/t/t7406-submodule-update.sh
@@ -30,6 +30,7 @@ test_expect_success 'setup a submodule tree' '
        git clone super submodule &&
        git clone super rebasing &&
        git clone super merging &&
+       git clone super none &&
        (cd super &&
         git submodule add ../submodule submodule &&
         test_tick &&
@@ -58,6 +59,11 @@ test_expect_success 'setup a submodule tree' '
         test_tick &&
         git commit -m "rebasing"
        )
+       (cd super &&
+        git submodule add ../none none &&
+        test_tick &&
+        git commit -m "none"
+       )
 '
 
 test_expect_success 'submodule update detaching the HEAD ' '
@@ -90,7 +96,7 @@ test_expect_success 'submodule update does not fetch already present commits' '
        (cd super &&
          git submodule update > ../actual 2> ../actual.err
        ) &&
-       test_cmp expected actual &&
+       test_i18ncmp expected actual &&
        ! test -s actual.err
 '
 
@@ -298,4 +304,204 @@ test_expect_success 'submodule update ignores update=rebase config for new submo
        )
 '
 
+test_expect_success 'submodule init picks up update=none' '
+       (cd super &&
+        git config -f .gitmodules submodule.none.update none &&
+        git submodule init none &&
+        test "none" = "$(git config submodule.none.update)"
+       )
+'
+
+test_expect_success 'submodule update - update=none in .git/config' '
+       (cd super &&
+        git config submodule.submodule.update none &&
+        (cd submodule &&
+         git checkout master &&
+         compare_head
+        ) &&
+        git diff --raw | grep "        submodule" &&
+        git submodule update &&
+        git diff --raw | grep "        submodule" &&
+        (cd submodule &&
+         compare_head
+        ) &&
+        git config --unset submodule.submodule.update &&
+        git submodule update submodule
+       )
+'
+
+test_expect_success 'submodule update - update=none in .git/config but --checkout given' '
+       (cd super &&
+        git config submodule.submodule.update none &&
+        (cd submodule &&
+         git checkout master &&
+         compare_head
+        ) &&
+        git diff --raw | grep "        submodule" &&
+        git submodule update --checkout &&
+        test_must_fail git diff --raw \| grep "        submodule" &&
+        (cd submodule &&
+         test_must_fail compare_head
+        ) &&
+        git config --unset submodule.submodule.update
+       )
+'
+
+test_expect_success 'submodule update --init skips submodule with update=none' '
+       (cd super &&
+        git add .gitmodules &&
+        git commit -m ".gitmodules"
+       ) &&
+       git clone super cloned &&
+       (cd cloned &&
+        git submodule update --init &&
+        test -e submodule/.git &&
+        test_must_fail test -e none/.git
+       )
+'
+
+test_expect_success 'submodule update continues after checkout error' '
+       (cd super &&
+        git reset --hard HEAD &&
+        git submodule add ../submodule submodule2 &&
+        git submodule init &&
+        git commit -am "new_submodule" &&
+        (cd submodule2 &&
+         git rev-parse --max-count=1 HEAD > ../expect
+        ) &&
+        (cd submodule &&
+         test_commit "update_submodule" file
+        ) &&
+        (cd submodule2 &&
+         test_commit "update_submodule2" file
+        ) &&
+        git add submodule &&
+        git add submodule2 &&
+        git commit -m "two_new_submodule_commits" &&
+        (cd submodule &&
+         echo "" > file
+        ) &&
+        git checkout HEAD^ &&
+        test_must_fail git submodule update &&
+        (cd submodule2 &&
+         git rev-parse --max-count=1 HEAD > ../actual
+        ) &&
+        test_cmp expect actual
+       )
+'
+test_expect_success 'submodule update continues after recursive checkout error' '
+       (cd super &&
+        git reset --hard HEAD &&
+        git checkout master &&
+        git submodule update &&
+        (cd submodule &&
+         git submodule add ../submodule subsubmodule &&
+         git submodule init &&
+         git commit -m "new_subsubmodule"
+        ) &&
+        git add submodule &&
+        git commit -m "update_submodule" &&
+        (cd submodule &&
+         (cd subsubmodule &&
+          test_commit "update_subsubmodule" file
+         ) &&
+         git add subsubmodule &&
+         test_commit "update_submodule_again" file &&
+         (cd subsubmodule &&
+          test_commit "update_subsubmodule_again" file
+         ) &&
+         test_commit "update_submodule_again_again" file
+        ) &&
+        (cd submodule2 &&
+         git rev-parse --max-count=1 HEAD > ../expect &&
+         test_commit "update_submodule2_again" file
+        ) &&
+        git add submodule &&
+        git add submodule2 &&
+        git commit -m "new_commits" &&
+        git checkout HEAD^ &&
+        (cd submodule &&
+         git checkout HEAD^ &&
+         (cd subsubmodule &&
+          echo "" > file
+         )
+        ) &&
+        test_must_fail git submodule update --recursive &&
+        (cd submodule2 &&
+         git rev-parse --max-count=1 HEAD > ../actual
+        ) &&
+        test_cmp expect actual
+       )
+'
+
+test_expect_success 'submodule update exit immediately in case of merge conflict' '
+       (cd super &&
+        git checkout master &&
+        git reset --hard HEAD &&
+        (cd submodule &&
+         (cd subsubmodule &&
+          git reset --hard HEAD
+         )
+        ) &&
+        git submodule update --recursive &&
+        (cd submodule &&
+         test_commit "update_submodule_2" file
+        ) &&
+        (cd submodule2 &&
+         test_commit "update_submodule2_2" file
+        ) &&
+        git add submodule &&
+        git add submodule2 &&
+        git commit -m "two_new_submodule_commits" &&
+        (cd submodule &&
+         git checkout master &&
+         test_commit "conflict" file &&
+         echo "conflict" > file
+        ) &&
+        git checkout HEAD^ &&
+        (cd submodule2 &&
+         git rev-parse --max-count=1 HEAD > ../expect
+        ) &&
+        git config submodule.submodule.update merge &&
+        test_must_fail git submodule update &&
+        (cd submodule2 &&
+         git rev-parse --max-count=1 HEAD > ../actual
+        ) &&
+        test_cmp expect actual
+       )
+'
+test_expect_success 'submodule update exit immediately after recursive rebase error' '
+       (cd super &&
+        git checkout master &&
+        git reset --hard HEAD &&
+        (cd submodule &&
+         git reset --hard HEAD &&
+         git submodule update --recursive
+        ) &&
+        (cd submodule &&
+         test_commit "update_submodule_3" file
+        ) &&
+        (cd submodule2 &&
+         test_commit "update_submodule2_3" file
+        ) &&
+        git add submodule &&
+        git add submodule2 &&
+        git commit -m "two_new_submodule_commits" &&
+        (cd submodule &&
+         git checkout master &&
+         test_commit "conflict2" file &&
+         echo "conflict" > file
+        ) &&
+        git checkout HEAD^ &&
+        (cd submodule2 &&
+         git rev-parse --max-count=1 HEAD > ../expect
+        ) &&
+        git config submodule.submodule.update rebase &&
+        test_must_fail git submodule update &&
+        (cd submodule2 &&
+         git rev-parse --max-count=1 HEAD > ../actual
+        ) &&
+        test_cmp expect actual
+       )
+'
 test_done