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-rwxr-xr-xt/t7415-submodule-names.sh78
1 files changed, 78 insertions, 0 deletions
diff --git a/t/t7415-submodule-names.sh b/t/t7415-submodule-names.sh
index 75fa071..a770d92 100755
--- a/t/t7415-submodule-names.sh
+++ b/t/t7415-submodule-names.sh
@@ -6,6 +6,7 @@ Exercise the name-checking function on a variety of names, and then give a
real-world setup that confirms we catch this in practice.
'
. ./test-lib.sh
+. "$TEST_DIRECTORY"/lib-pack.sh
test_expect_success 'check names' '
cat >expect <<-\EOF &&
@@ -73,4 +74,81 @@ test_expect_success 'clone evil superproject' '
! grep "RUNNING POST CHECKOUT" output
'
+test_expect_success 'fsck detects evil superproject' '
+ test_must_fail git fsck
+'
+
+test_expect_success 'transfer.fsckObjects detects evil superproject (unpack)' '
+ rm -rf dst.git &&
+ git init --bare dst.git &&
+ git -C dst.git config transfer.fsckObjects true &&
+ test_must_fail git push dst.git HEAD
+'
+
+test_expect_success 'transfer.fsckObjects detects evil superproject (index)' '
+ rm -rf dst.git &&
+ git init --bare dst.git &&
+ git -C dst.git config transfer.fsckObjects true &&
+ git -C dst.git config transfer.unpackLimit 1 &&
+ test_must_fail git push dst.git HEAD
+'
+
+# Normally our packs contain commits followed by trees followed by blobs. This
+# reverses the order, which requires backtracking to find the context of a
+# blob. We'll start with a fresh gitmodules-only tree to make it simpler.
+test_expect_success 'create oddly ordered pack' '
+ git checkout --orphan odd &&
+ git rm -rf --cached . &&
+ git add .gitmodules &&
+ git commit -m odd &&
+ {
+ pack_header 3 &&
+ pack_obj $(git rev-parse HEAD:.gitmodules) &&
+ pack_obj $(git rev-parse HEAD^{tree}) &&
+ pack_obj $(git rev-parse HEAD)
+ } >odd.pack &&
+ pack_trailer odd.pack
+'
+
+test_expect_success 'transfer.fsckObjects handles odd pack (unpack)' '
+ rm -rf dst.git &&
+ git init --bare dst.git &&
+ test_must_fail git -C dst.git unpack-objects --strict <odd.pack
+'
+
+test_expect_success 'transfer.fsckObjects handles odd pack (index)' '
+ rm -rf dst.git &&
+ git init --bare dst.git &&
+ test_must_fail git -C dst.git index-pack --strict --stdin <odd.pack
+'
+
+test_expect_success 'fsck detects symlinked .gitmodules file' '
+ git init symlink &&
+ (
+ cd symlink &&
+
+ # Make the tree directly to avoid index restrictions.
+ #
+ # Because symlinks store the target as a blob, choose
+ # a pathname that could be parsed as a .gitmodules file
+ # to trick naive non-symlink-aware checking.
+ tricky="[foo]bar=true" &&
+ content=$(git hash-object -w ../.gitmodules) &&
+ target=$(printf "$tricky" | git hash-object -w --stdin) &&
+ tree=$(
+ {
+ printf "100644 blob $content\t$tricky\n" &&
+ printf "120000 blob $target\t.gitmodules\n"
+ } | git mktree
+ ) &&
+ commit=$(git commit-tree $tree) &&
+
+ # Check not only that we fail, but that it is due to the
+ # symlink detector; this grep string comes from the config
+ # variable name and will not be translated.
+ test_must_fail git fsck 2>output &&
+ grep gitmodulesSymlink output
+ )
+'
+
test_done