$ git clone -n https://src.fedoraproject.org/rpms/rust-streebog.git /var/lib/mock/f42-build-3234194-41196/root/chroot_tmpdir/scmroot/rust-streebog
Cloning into '/var/lib/mock/f42-build-3234194-41196/root/chroot_tmpdir/scmroot/rust-streebog'...
$ git fetch origin dc5bea96e951ca8c6dc8bb9d30f7f93d739d4d54:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-streebog
 * [new ref]         dc5bea96e951ca8c6dc8bb9d30f7f93d739d4d54 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc5bea9 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild