$ git clone -n https://src.fedoraproject.org/rpms/rust-fs4.git /var/lib/mock/f41-build-side-1-3002895-36598/root/chroot_tmpdir/scmroot/rust-fs4
Cloning into '/var/lib/mock/f41-build-side-1-3002895-36598/root/chroot_tmpdir/scmroot/rust-fs4'...
$ git fetch origin f84dc06f3b6650d82c08f44f545437cffe660fff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-fs4
 * [new ref]         f84dc06f3b6650d82c08f44f545437cffe660fff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f84dc06 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild