$ git clone -n https://src.fedoraproject.org/rpms/rust-devicemapper.git /var/lib/mock/f40-build-1612222-24071/root/chroot_tmpdir/scmroot/rust-devicemapper
Cloning into '/var/lib/mock/f40-build-1612222-24071/root/chroot_tmpdir/scmroot/rust-devicemapper'...
$ git fetch origin 09594854b0cf583be195a7ddd17008dfe463aa17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-devicemapper
 * [new ref]         09594854b0cf583be195a7ddd17008dfe463aa17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0959485 Update to version 0.34.2