$ git clone -n https://src.fedoraproject.org/rpms/rust-pam.git /var/lib/mock/f45-build-43759-805/root/chroot_tmpdir/scmroot/rust-pam
Cloning into '/var/lib/mock/f45-build-43759-805/root/chroot_tmpdir/scmroot/rust-pam'...
$ git fetch origin 0af5858bfaf68c1da8ba71c6e838c35fa1cb0353:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pam
 * [new ref]         0af5858bfaf68c1da8ba71c6e838c35fa1cb0353 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0af5858 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild