$ git clone -n https://src.fedoraproject.org/rpms/gdcm.git /var/lib/mock/f45-build-9670-407/root/chroot_tmpdir/scmroot/gdcm
Cloning into '/var/lib/mock/f45-build-9670-407/root/chroot_tmpdir/scmroot/gdcm'...
$ git fetch origin f0824c38f3cdce204663f7a6e919c69569b52464:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gdcm
 * [new ref]         f0824c38f3cdce204663f7a6e919c69569b52464 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0824c3 Rebuild for poppler 26.08.0