$ git clone -n https://src.fedoraproject.org/rpms/jakarta-activation1.git /var/lib/mock/f40-build-2370691-60393/root/chroot_tmpdir/scmroot/jakarta-activation1
Cloning into '/var/lib/mock/f40-build-2370691-60393/root/chroot_tmpdir/scmroot/jakarta-activation1'...
$ git fetch origin dae28fe3f715347338a2871d8b698399d3feee2e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jakarta-activation1
 * [new ref]         dae28fe3f715347338a2871d8b698399d3feee2e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dae28fe Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild