$ git clone -n https://src.fedoraproject.org/rpms/pdfposter.git /var/lib/mock/f39-build-1461620-33271/root/chroot_tmpdir/scmroot/pdfposter
Cloning into '/var/lib/mock/f39-build-1461620-33271/root/chroot_tmpdir/scmroot/pdfposter'...
$ git fetch origin 1f9a25aa1a6d360d00b51671a20dfb63d69de268:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pdfposter
 * [new ref]         1f9a25aa1a6d360d00b51671a20dfb63d69de268 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f9a25a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild