$ git clone -n https://src.fedoraproject.org/rpms/python-nbconvert.git /var/lib/mock/f39-build-1860643-42472/root/chroot_tmpdir/scmroot/python-nbconvert
Cloning into '/var/lib/mock/f39-build-1860643-42472/root/chroot_tmpdir/scmroot/python-nbconvert'...
$ git fetch origin 02e04a536142a8d49155a82e29b50c400a7d8937:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-nbconvert
 * [new ref]         02e04a536142a8d49155a82e29b50c400a7d8937 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 02e04a5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild