--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-git-gpg.t	Tue Feb 06 17:04:24 2018 -0800
@@ -0,0 +1,74 @@
+#require gpg
+
+Load commonly used test logic
+  $ . "$TESTDIR/testutil"
+
+  $ export GNUPGHOME="$(mktemp -d)"
+  $ cp -R "$TESTDIR"/gpg/* "$GNUPGHOME"
+
+Start gpg-agent, which is required by GnuPG v2
+
+#if gpg21
+  $ gpg-connect-agent -q --subst /serverpid '/echo ${get serverpid}' /bye \
+  > >> $DAEMON_PIDS
+#endif
+
+and migrate secret keys
+
+#if gpg2
+  $ gpg --no-permission-warning --no-secmem-warning --list-secret-keys \
+  > > /dev/null 2>&1
+#endif
+
+  $ alias gpg='gpg --no-permission-warning --no-secmem-warning --no-auto-check-trustdb'
+
+Set up two identical git repos.
+
+  $ mkdir gitrepo
+  $ cd gitrepo
+  $ git init
+  Initialized empty Git repository in $TESTTMP/gitrepo/.git/
+  $ touch a
+  $ git add a
+  $ git commit -m "initial commit"
+  [master (root-commit) *] initial commit (glob)
+   1 file changed, 0 insertions(+), 0 deletions(-)
+   create mode 100644 a
+  $ cd ..
+  $ git clone gitrepo gitrepo2
+  Cloning into 'gitrepo2'...
+  done.
+
+Add a signed commit to the first clone.
+
+  $ cd gitrepo
+  $ git checkout -b signed
+  Switched to a new branch 'signed'
+  $ touch b
+  $ git add b
+  $ git commit -m "message" -Shgtest
+  [signed *] message (glob)
+   1 file changed, 0 insertions(+), 0 deletions(-)
+   create mode 100644 b
+  $ cd ..
+
+Hg clone it
+
+  $ hg clone gitrepo hgrepo
+  importing git objects into hg
+  updating to branch default
+  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+  $ cd hgrepo
+  $ hg push ../gitrepo2 -B signed
+  pushing to ../gitrepo2
+  searching for changes
+  adding objects
+  added 1 commits with 1 trees and 0 blobs
+  $ cd ..
+
+Verify the commit
+
+  $ cd gitrepo2
+  $ git show --show-signature signed | grep "Good signature from"
+  gpg: Good signature from "hgtest" [ultimate]