$ git clone -n https://src.fedoraproject.org/rpms/libexif.git /var/lib/mock/f40-build-785425-133927/root/chroot_tmpdir/scmroot/libexif
Cloning into '/var/lib/mock/f40-build-785425-133927/root/chroot_tmpdir/scmroot/libexif'...
$ git fetch origin 83e1a2cfc1e8dc6384b0a49b947cebcd90ac3149:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libexif
 * [new ref]         83e1a2cfc1e8dc6384b0a49b947cebcd90ac3149 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83e1a2c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild