$ git clone -n https://src.fedoraproject.org/rpms/CImg.git /var/lib/mock/f40-build-797293-141193/root/chroot_tmpdir/scmroot/CImg
Cloning into '/var/lib/mock/f40-build-797293-141193/root/chroot_tmpdir/scmroot/CImg'...
$ git fetch origin f697974d151b388404c7fb15007e1ccf593b312f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/CImg
 * [new ref]         f697974d151b388404c7fb15007e1ccf593b312f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f697974 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild