$ git clone -n https://src.fedoraproject.org/rpms/plexus-interpolation.git /var/lib/mock/f40-build-2542233-61878/root/chroot_tmpdir/scmroot/plexus-interpolation
Cloning into '/var/lib/mock/f40-build-2542233-61878/root/chroot_tmpdir/scmroot/plexus-interpolation'...
$ git fetch origin e00b982c9e8ad9659b384c72971ea251bdbec63c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plexus-interpolation
 * [new ref]         e00b982c9e8ad9659b384c72971ea251bdbec63c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e00b982 Rebuilt for java-21-openjdk as system jdk