$ git clone -n https://src.fedoraproject.org/rpms/rust-simple_asn1.git /var/lib/mock/f40-build-2716647-72667/root/chroot_tmpdir/scmroot/rust-simple_asn1
Cloning into '/var/lib/mock/f40-build-2716647-72667/root/chroot_tmpdir/scmroot/rust-simple_asn1'...
$ git fetch origin 19d745b2caff52ada0a61a31999b4c1d49af4777:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-simple_asn1
 * [new ref]         19d745b2caff52ada0a61a31999b4c1d49af4777 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19d745b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild