$ git clone -n https://src.fedoraproject.org/rpms/rust-inventory.git /var/lib/mock/f45-build-42625-795/root/chroot_tmpdir/scmroot/rust-inventory
Cloning into '/var/lib/mock/f45-build-42625-795/root/chroot_tmpdir/scmroot/rust-inventory'...
$ git fetch origin ac5e4b603bf2c1df8a6a224c2854b663538dc252:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-inventory
 * [new ref]         ac5e4b603bf2c1df8a6a224c2854b663538dc252 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac5e4b6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild