$ git clone -n https://src.fedoraproject.org/rpms/pam-kwallet.git /var/lib/mock/f40-build-2501535-61685/root/chroot_tmpdir/scmroot/pam-kwallet
Cloning into '/var/lib/mock/f40-build-2501535-61685/root/chroot_tmpdir/scmroot/pam-kwallet'...
$ git fetch origin 7ed390084333ef52fb5234812c511f7fab60ac62:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pam-kwallet
 * [new ref]         7ed390084333ef52fb5234812c511f7fab60ac62 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ed3900 6.0.0