$ git clone -n https://src.fedoraproject.org/rpms/rubygem-vte.git /var/lib/mock/f42-build-865346-173025/root/chroot_tmpdir/scmroot/rubygem-vte
Cloning into '/var/lib/mock/f42-build-865346-173025/root/chroot_tmpdir/scmroot/rubygem-vte'...
$ git fetch origin 176c3bfab47c649eddcba383fa1947fafc85e046:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-vte
 * [new ref]         176c3bfab47c649eddcba383fa1947fafc85e046 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 176c3bf Rebuild for https://fedoraproject.org/wiki/Changes/Ruby_3.4