docs/diff-options: clarify scope of diff-filter types

diff --git a/t/t7406-submodule-update.sh b/t/t7406-submodule-update.sh
index 5f278799d5a0ceed90b9297ace552b653026e596..4ac386d98b8ebdfb4808b9a8119900ee23b5dfa9 100755 (executable)
--- a/t/t7406-submodule-update.sh
+++ b/t/t7406-submodule-update.sh
@@ -136,8 +136,25 @@ test_expect_success 'submodule update --init --recursive from subdirectory' '
         cd tmp &&
         git submodule update --init --recursive ../super >../../actual 2>../../actual2
        ) &&
-       test_cmp expect actual &&
-       test_cmp expect2 actual2
+       test_i18ncmp expect actual &&
+       test_i18ncmp expect2 actual2
+'
+
+cat <<EOF >expect2
+Submodule 'foo/sub' ($pwd/withsubs/../rebasing) registered for path 'sub'
+EOF
+
+test_expect_success 'submodule update --init from and of subdirectory' '
+       git init withsubs &&
+       (cd withsubs &&
+        mkdir foo &&
+        git submodule add "$(pwd)/../rebasing" foo/sub &&
+        (cd foo &&
+         git submodule deinit -f sub &&
+         git submodule update --init sub 2>../../actual2
+        )
+       ) &&
+       test_i18ncmp expect2 actual2
 '
 
 apos="'";
@@ -209,9 +226,42 @@ test_expect_success 'submodule update --remote should fetch upstream changes' '
        )
 '
 
+test_expect_success 'submodule update --remote should fetch upstream changes with .' '
+       (
+               cd super &&
+               git config -f .gitmodules submodule."submodule".branch "." &&
+               git add .gitmodules &&
+               git commit -m "submodules: update from the respective superproject branch"
+       ) &&
+       (
+               cd submodule &&
+               echo line4a >> file &&
+               git add file &&
+               test_tick &&
+               git commit -m "upstream line4a" &&
+               git checkout -b test-branch &&
+               test_commit on-test-branch
+       ) &&
+       (
+               cd super &&
+               git submodule update --remote --force submodule &&
+               git -C submodule log -1 --oneline >actual
+               git -C ../submodule log -1 --oneline master >expect
+               test_cmp expect actual &&
+               git checkout -b test-branch &&
+               git submodule update --remote --force submodule &&
+               git -C submodule log -1 --oneline >actual
+               git -C ../submodule log -1 --oneline test-branch >expect
+               test_cmp expect actual &&
+               git checkout master &&
+               git branch -d test-branch &&
+               git reset --hard HEAD^
+       )
+'
+
 test_expect_success 'local config should override .gitmodules branch' '
        (cd submodule &&
-        git checkout -b test-branch &&
+        git checkout test-branch &&
         echo line5 >> file &&
         git add file &&
         test_tick &&
@@ -370,7 +420,7 @@ test_expect_success 'submodule update - command in .git/config catches failure'
        (cd super &&
         test_must_fail git submodule update submodule 2>../actual
        ) &&
-       test_cmp actual expect
+       test_i18ncmp actual expect
 '
 
 cat << EOF >expect
@@ -388,7 +438,17 @@ test_expect_success 'submodule update - command in .git/config catches failure -
         mkdir tmp && cd tmp &&
         test_must_fail git submodule update ../submodule 2>../../actual
        ) &&
-       test_cmp actual expect
+       test_i18ncmp actual expect
+'
+
+test_expect_success 'submodule update - command run for initial population of submodule' '
+       cat >expect <<-EOF &&
+       Execution of '\''false $submodulesha1'\'' failed in submodule path '\''submodule'\''
+       EOF
+       rm -rf super/submodule &&
+       test_must_fail git -C super submodule update 2>actual &&
+       test_cmp expect actual &&
+       git -C super submodule update --checkout
 '
 
 cat << EOF >expect
@@ -408,7 +468,7 @@ test_expect_success 'recursive submodule update - command in .git/config catches
         mkdir -p tmp && cd tmp &&
         test_must_fail git submodule update --recursive ../super 2>../../actual
        ) &&
-       test_cmp actual expect
+       test_i18ncmp actual expect
 '
 
 test_expect_success 'submodule init does not copy command into .git/config' '
@@ -443,6 +503,7 @@ test_expect_success 'submodule init picks up merge' '
 '
 
 test_expect_success 'submodule update --merge  - ignores --merge  for new submodules' '
+       test_config -C super submodule.submodule.update checkout &&
        (cd super &&
         rm -rf submodule &&
         git submodule update submodule &&
@@ -455,6 +516,7 @@ test_expect_success 'submodule update --merge  - ignores --merge  for new submod
 '
 
 test_expect_success 'submodule update --rebase - ignores --rebase for new submodules' '
+       test_config -C super submodule.submodule.update checkout &&
        (cd super &&
         rm -rf submodule &&
         git submodule update submodule &&
@@ -841,16 +903,35 @@ test_expect_success SYMLINKS 'submodule update can handle symbolic links in pwd'
 '
 
 test_expect_success 'submodule update clone shallow submodule' '
+       test_when_finished "rm -rf super3" &&
+       first=$(git -C cloned submodule status submodule |cut -c2-41) &&
+       second=$(git -C submodule rev-parse HEAD) &&
+       commit_count=$(git -C submodule rev-list --count $first^..$second) &&
        git clone cloned super3 &&
        pwd=$(pwd) &&
-       (cd super3 &&
-        sed -e "s#url = ../#url = file://$pwd/#" <.gitmodules >.gitmodules.tmp &&
-        mv -f .gitmodules.tmp .gitmodules &&
-        git submodule update --init --depth=3
-        (cd submodule &&
-         test 1 = $(git log --oneline | wc -l)
-        )
-)
+       (
+               cd super3 &&
+               sed -e "s#url = ../#url = file://$pwd/#" <.gitmodules >.gitmodules.tmp &&
+               mv -f .gitmodules.tmp .gitmodules &&
+               git submodule update --init --depth=$commit_count &&
+               test 1 = $(git -C submodule log --oneline | wc -l)
+       )
+'
+
+test_expect_success 'submodule update clone shallow submodule outside of depth' '
+       test_when_finished "rm -rf super3" &&
+       git clone cloned super3 &&
+       pwd=$(pwd) &&
+       (
+               cd super3 &&
+               sed -e "s#url = ../#url = file://$pwd/#" <.gitmodules >.gitmodules.tmp &&
+               mv -f .gitmodules.tmp .gitmodules &&
+               test_must_fail git submodule update --init --depth=1 2>actual &&
+               test_i18ngrep "Direct fetching of that commit failed." actual &&
+               git -C ../submodule config uploadpack.allowReachableSHA1InWant true &&
+               git submodule update --init --depth=1 >actual &&
+               test 1 = $(git -C submodule log --oneline | wc -l)
+       )
 '
 
 test_expect_success 'submodule update --recursive drops module name before recursing' '