print errno when reporting a system call error

diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index 01e25a44c727f2562781bff8cd9ca787cae4ff50..1b8f1dbd3a3d8a59a74888155d36d0d49e94cb64 100755 (executable)
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -160,6 +160,20 @@ test_expect_success 'submodule add to .gitignored path with --force' '
        )
 '
 
+test_expect_success 'submodule add to reconfigure existing submodule with --force' '
+       (
+               cd addtest-ignore &&
+               git submodule add --force bogus-url submod &&
+               git submodule add -b initial "$submodurl" submod-branch &&
+               test "bogus-url" = "$(git config -f .gitmodules submodule.submod.url)" &&
+               test "bogus-url" = "$(git config submodule.submod.url)" &&
+               # Restore the url
+               git submodule add --force "$submodurl" submod
+               test "$submodurl" = "$(git config -f .gitmodules submodule.submod.url)" &&
+               test "$submodurl" = "$(git config submodule.submod.url)"
+       )
+'
+
 test_expect_success 'submodule add --branch' '
        echo "refs/heads/initial" >expect-head &&
        cat <<-\EOF >expect-heads &&
@@ -267,6 +281,20 @@ test_expect_success 'submodule add with ./, /.. and // in path' '
        test_cmp empty untracked
 '
 
+test_expect_success 'submodule add with \\ in path' '
+       test_when_finished "rm -rf parent sub\\with\\backslash" &&
+
+       # Initialize a repo with a backslash in its name
+       git init sub\\with\\backslash &&
+       touch sub\\with\\backslash/empty.file &&
+       git -C sub\\with\\backslash add empty.file &&
+       git -C sub\\with\\backslash commit -m "Added empty.file" &&
+
+       # Add that repository as a submodule
+       git init parent &&
+       git -C parent submodule add ../sub\\with\\backslash
+'
+
 test_expect_success 'submodule add in subdirectory' '
        echo "refs/heads/master" >expect &&
        >empty &&
@@ -950,7 +978,7 @@ test_expect_success 'submodule deinit from subdirectory' '
                cd sub &&
                git submodule deinit ../init >../output
        ) &&
-       grep "\\.\\./init" output &&
+       test_i18ngrep "\\.\\./init" output &&
        test -z "$(git config --get-regexp "submodule\.example\.")" &&
        test -n "$(git config --get-regexp "submodule\.example2\.")" &&
        test -f example2/.git &&
@@ -1124,5 +1152,141 @@ test_expect_success 'submodule helper list is not confused by common prefixes' '
        test_cmp expect actual
 '
 
+test_expect_success 'setup superproject with submodules' '
+       git init sub1 &&
+       test_commit -C sub1 test &&
+       test_commit -C sub1 test2 &&
+       git init multisuper &&
+       git -C multisuper submodule add ../sub1 sub0 &&
+       git -C multisuper submodule add ../sub1 sub1 &&
+       git -C multisuper submodule add ../sub1 sub2 &&
+       git -C multisuper submodule add ../sub1 sub3 &&
+       git -C multisuper commit -m "add some submodules"
+'
+
+cat >expect <<-EOF
+-sub0
+ sub1 (test2)
+ sub2 (test2)
+ sub3 (test2)
+EOF
+
+test_expect_success 'submodule update --init with a specification' '
+       test_when_finished "rm -rf multisuper_clone" &&
+       pwd=$(pwd) &&
+       git clone file://"$pwd"/multisuper multisuper_clone &&
+       git -C multisuper_clone submodule update --init . ":(exclude)sub0" &&
+       git -C multisuper_clone submodule status |cut -c 1,43- >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'submodule update --init with submodule.active set' '
+       test_when_finished "rm -rf multisuper_clone" &&
+       pwd=$(pwd) &&
+       git clone file://"$pwd"/multisuper multisuper_clone &&
+       git -C multisuper_clone config submodule.active "." &&
+       git -C multisuper_clone config --add submodule.active ":(exclude)sub0" &&
+       git -C multisuper_clone submodule update --init &&
+       git -C multisuper_clone submodule status |cut -c 1,43- >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'submodule update and setting submodule.<name>.active' '
+       test_when_finished "rm -rf multisuper_clone" &&
+       pwd=$(pwd) &&
+       git clone file://"$pwd"/multisuper multisuper_clone &&
+       git -C multisuper_clone config --bool submodule.sub0.active "true" &&
+       git -C multisuper_clone config --bool submodule.sub1.active "false" &&
+       git -C multisuper_clone config --bool submodule.sub2.active "true" &&
+
+       cat >expect <<-\EOF &&
+        sub0 (test2)
+       -sub1
+        sub2 (test2)
+       -sub3
+       EOF
+       git -C multisuper_clone submodule update &&
+       git -C multisuper_clone submodule status |cut -c 1,43- >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'clone --recurse-submodules with a pathspec works' '
+       test_when_finished "rm -rf multisuper_clone" &&
+       cat >expected <<-\EOF &&
+        sub0 (test2)
+       -sub1
+       -sub2
+       -sub3
+       EOF
+
+       git clone --recurse-submodules="sub0" multisuper multisuper_clone &&
+       git -C multisuper_clone submodule status |cut -c1,43- >actual &&
+       test_cmp actual expected
+'
+
+test_expect_success 'clone with multiple --recurse-submodules options' '
+       test_when_finished "rm -rf multisuper_clone" &&
+       cat >expect <<-\EOF &&
+       -sub0
+        sub1 (test2)
+       -sub2
+        sub3 (test2)
+       EOF
+
+       git clone --recurse-submodules="." \
+                 --recurse-submodules=":(exclude)sub0" \
+                 --recurse-submodules=":(exclude)sub2" \
+                 multisuper multisuper_clone &&
+       git -C multisuper_clone submodule status |cut -c1,43- >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'clone and subsequent updates correctly auto-initialize submodules' '
+       test_when_finished "rm -rf multisuper_clone" &&
+       cat <<-\EOF >expect &&
+       -sub0
+        sub1 (test2)
+       -sub2
+        sub3 (test2)
+       EOF
+
+       cat <<-\EOF >expect2 &&
+       -sub0
+        sub1 (test2)
+       -sub2
+        sub3 (test2)
+       -sub4
+        sub5 (test2)
+       EOF
+
+       git clone --recurse-submodules="." \
+                 --recurse-submodules=":(exclude)sub0" \
+                 --recurse-submodules=":(exclude)sub2" \
+                 --recurse-submodules=":(exclude)sub4" \
+                 multisuper multisuper_clone &&
+
+       git -C multisuper_clone submodule status |cut -c1,43- >actual &&
+       test_cmp expect actual &&
+
+       git -C multisuper submodule add ../sub1 sub4 &&
+       git -C multisuper submodule add ../sub1 sub5 &&
+       git -C multisuper commit -m "add more submodules" &&
+       # obtain the new superproject
+       git -C multisuper_clone pull &&
+       git -C multisuper_clone submodule update --init &&
+       git -C multisuper_clone submodule status |cut -c1,43- >actual &&
+       test_cmp expect2 actual
+'
+
+test_expect_success 'init properly sets the config' '
+       test_when_finished "rm -rf multisuper_clone" &&
+       git clone --recurse-submodules="." \
+                 --recurse-submodules=":(exclude)sub0" \
+                 multisuper multisuper_clone &&
+
+       git -C multisuper_clone submodule init -- sub0 sub1 &&
+       git -C multisuper_clone config --get submodule.sub0.active &&
+       test_must_fail git -C multisuper_clone config --get submodule.sub1.active
+'
 
 test_done