$ git clone -n https://src.fedoraproject.org/rpms/rust-crc32fast.git /var/lib/mock/epel10.0-build-61096599-6588882/root/chroot_tmpdir/scmroot/rust-crc32fast
Cloning into '/var/lib/mock/epel10.0-build-61096599-6588882/root/chroot_tmpdir/scmroot/rust-crc32fast'...
$ git fetch origin 709b06af5edc9360151996e6887a31235fe9ba88:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-crc32fast
 * [new ref]         709b06af5edc9360151996e6887a31235fe9ba88 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 709b06a Update to version 1.5.0; Fixes RHBZ#2379769