$ git clone -n https://src.fedoraproject.org/rpms/gpgme1.22.git /var/lib/mock/f40-build-2363330-60368/root/chroot_tmpdir/scmroot/gpgme1.22
Cloning into '/var/lib/mock/f40-build-2363330-60368/root/chroot_tmpdir/scmroot/gpgme1.22'...
$ git fetch origin 0adf1b5f2f37a87e7255c8a60a442c30526abcc7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gpgme1.22
 * [new ref]         0adf1b5f2f37a87e7255c8a60a442c30526abcc7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0adf1b5 For epel only, not Fedora