$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_mktemp.git /var/lib/mock/f41-build-810493-146724/root/chroot_tmpdir/scmroot/rust-uu_mktemp
Cloning into '/var/lib/mock/f41-build-810493-146724/root/chroot_tmpdir/scmroot/rust-uu_mktemp'...
$ git fetch origin b9ae726ae3df2c497a38449c7a6e24fa4e157861:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_mktemp
 * [new ref]         b9ae726ae3df2c497a38449c7a6e24fa4e157861 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9ae726 Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces