$ git clone -n https://src.fedoraproject.org/rpms/libexif.git /var/lib/mock/f40-build-2294008-56242/root/chroot_tmpdir/scmroot/libexif
Cloning into '/var/lib/mock/f40-build-2294008-56242/root/chroot_tmpdir/scmroot/libexif'...
$ git fetch origin fe4cd9969616a0f96cfa7155a583c808d6d85ef3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libexif
 * [new ref]         fe4cd9969616a0f96cfa7155a583c808d6d85ef3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe4cd99 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild