#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]