$ git clone -n https://src.fedoraproject.org/rpms/pesign-test-app.git /var/lib/mock/f41-build-1639727-24158/root/chroot_tmpdir/scmroot/pesign-test-app
Cloning into '/var/lib/mock/f41-build-1639727-24158/root/chroot_tmpdir/scmroot/pesign-test-app'...
$ git fetch origin 0a27f1afb214ceca4fca9cd896d38a517a739b92:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pesign-test-app
 * [new ref]         0a27f1afb214ceca4fca9cd896d38a517a739b92 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a27f1a Fix location of GNUEFIDIR