$ git clone -n https://src.fedoraproject.org/rpms/jakarta-activation1.git /var/lib/mock/f40-build-2275012-55046/root/chroot_tmpdir/scmroot/jakarta-activation1
Cloning into '/var/lib/mock/f40-build-2275012-55046/root/chroot_tmpdir/scmroot/jakarta-activation1'...
$ git fetch origin 88b411eb116bd3179b6cdf16adea40eb69c490ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jakarta-activation1
 * [new ref]         88b411eb116bd3179b6cdf16adea40eb69c490ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88b411e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild