$ git clone -n https://src.fedoraproject.org/rpms/python-img2pdf.git /var/lib/mock/f39-build-1717921-41229/root/chroot_tmpdir/scmroot/python-img2pdf
Cloning into '/var/lib/mock/f39-build-1717921-41229/root/chroot_tmpdir/scmroot/python-img2pdf'...
$ git fetch origin b429dba1e48faf72aa03e92223b5a919e428a08b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-img2pdf
 * [new ref]         b429dba1e48faf72aa03e92223b5a919e428a08b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b429dba Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild