$ git clone -n https://src.fedoraproject.org/rpms/kf5-kwallet.git /var/lib/mock/f40-build-787371-134746/root/chroot_tmpdir/scmroot/kf5-kwallet
Cloning into '/var/lib/mock/f40-build-787371-134746/root/chroot_tmpdir/scmroot/kf5-kwallet'...
$ git fetch origin 5160fcf2883bdb604083836eb312c0af7ab99a22:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kwallet
 * [new ref]         5160fcf2883bdb604083836eb312c0af7ab99a22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5160fcf 5.115.0