$ git clone -n https://src.fedoraproject.org/rpms/pam-kwallet.git /var/lib/mock/f41-build-side-115201-61076140-6588638/root/chroot_tmpdir/scmroot/pam-kwallet
Cloning into '/var/lib/mock/f41-build-side-115201-61076140-6588638/root/chroot_tmpdir/scmroot/pam-kwallet'...
$ git fetch origin 1381cdf999feee210436ec084050772b0d437262:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pam-kwallet
 * [new ref]         1381cdf999feee210436ec084050772b0d437262 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1381cdf 6.4.3