$ git clone -n https://src.fedoraproject.org/rpms/rust-btrd.git /var/lib/mock/f41-build-818512-151131/root/chroot_tmpdir/scmroot/rust-btrd
Cloning into '/var/lib/mock/f41-build-818512-151131/root/chroot_tmpdir/scmroot/rust-btrd'...
$ git fetch origin 39c5a955f665cf3a25a1da094fdf348896f05f81:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-btrd
 * [new ref]         39c5a955f665cf3a25a1da094fdf348896f05f81 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 39c5a95 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild