$ git clone -n https://src.fedoraproject.org/rpms/rust-unidecode.git /var/lib/mock/f40-build-2040525-48364/root/chroot_tmpdir/scmroot/rust-unidecode
Cloning into '/var/lib/mock/f40-build-2040525-48364/root/chroot_tmpdir/scmroot/rust-unidecode'...
$ git fetch origin 482c5fc4266035a369534cb4b893f032076daed3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-unidecode
 * [new ref]         482c5fc4266035a369534cb4b893f032076daed3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 482c5fc Initial import (#2236617)