$ git clone -n https://src.fedoraproject.org/rpms/rust-onefetch-ascii.git /var/lib/mock/f45-build-43536-803/root/chroot_tmpdir/scmroot/rust-onefetch-ascii
Cloning into '/var/lib/mock/f45-build-43536-803/root/chroot_tmpdir/scmroot/rust-onefetch-ascii'...
$ git fetch origin e96737b5546abddf630e872bb87476dc64af3f43:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-onefetch-ascii
 * [new ref]         e96737b5546abddf630e872bb87476dc64af3f43 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e96737b Update to version 2.28.1; Fixes RHBZ#2525977