$ git clone -n https://git.cclinux.org/stage/rpms/pam.git /mnt/compose/mock/dist-circle8-build-109678-63181/root/chroot_tmpdir/scmroot/pam
Cloning into '/mnt/compose/mock/dist-circle8-build-109678-63181/root/chroot_tmpdir/scmroot/pam'...
$ git fetch origin 6468b06f0bd2d42c1b6bf68344d74ca09748b000:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/pam
 * [new ref]         6468b06f0bd2d42c1b6bf68344d74ca09748b000 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6468b06 import pam-1.3.1-27.el8