$ git clone -n https://src.fedoraproject.org/rpms/perl-Convert-ASN1.git /var/lib/mock/f39-build-1434988-31967/root/chroot_tmpdir/scmroot/perl-Convert-ASN1
Cloning into '/var/lib/mock/f39-build-1434988-31967/root/chroot_tmpdir/scmroot/perl-Convert-ASN1'...
$ git fetch origin 7c9f018f3f2195f8bd6d8c26b58874713a053bf3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Convert-ASN1
 * [new ref]         7c9f018f3f2195f8bd6d8c26b58874713a053bf3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c9f018 0.34 bump (bug #2229845)