$ git clone -n https://src.fedoraproject.org/rpms/rust-spin0.5.git /var/lib/mock/f40-build-2643606-66490/root/chroot_tmpdir/scmroot/rust-spin0.5
Cloning into '/var/lib/mock/f40-build-2643606-66490/root/chroot_tmpdir/scmroot/rust-spin0.5'...
$ git fetch origin 2ababab4f15074062bf2af8d3b3d02491612fc32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-spin0.5
 * [new ref]         2ababab4f15074062bf2af8d3b3d02491612fc32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ababab Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild