$ git clone -n https://src.fedoraproject.org/rpms/pcsc-tools.git /var/lib/mock/f40-build-2220960-52672/root/chroot_tmpdir/scmroot/pcsc-tools
Cloning into '/var/lib/mock/f40-build-2220960-52672/root/chroot_tmpdir/scmroot/pcsc-tools'...
$ git fetch origin bd3ac3d4efcb51a05024439287b1eadff5be3bc0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pcsc-tools
 * [new ref]         bd3ac3d4efcb51a05024439287b1eadff5be3bc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd3ac3d pcsc-tools-1.7.0-1