$ git clone -n https://src.fedoraproject.org/rpms/rust-similar-asserts.git /var/lib/mock/f40-build-2643510-66488/root/chroot_tmpdir/scmroot/rust-similar-asserts
Cloning into '/var/lib/mock/f40-build-2643510-66488/root/chroot_tmpdir/scmroot/rust-similar-asserts'...
$ git fetch origin b58689bb9d298555e9826c92a0169d6550696cf4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-similar-asserts
 * [new ref]         b58689bb9d298555e9826c92a0169d6550696cf4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b58689b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild