$ git clone -n https://src.fedoraproject.org/rpms/cpp-httplib.git /var/lib/mock/f39-build-1562909-37466/root/chroot_tmpdir/scmroot/cpp-httplib
Cloning into '/var/lib/mock/f39-build-1562909-37466/root/chroot_tmpdir/scmroot/cpp-httplib'...
$ git fetch origin 2499f08af55b691a84637e3a34b199a54862f51d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cpp-httplib
 * [new ref]         2499f08af55b691a84637e3a34b199a54862f51d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2499f08 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild