$ git clone -n https://src.fedoraproject.org/rpms/jack_capture.git /var/lib/mock/f40-build-2274938-55042/root/chroot_tmpdir/scmroot/jack_capture
Cloning into '/var/lib/mock/f40-build-2274938-55042/root/chroot_tmpdir/scmroot/jack_capture'...
$ git fetch origin fac29d9036f19c4d0dd80e38e1881183a9f640d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jack_capture
 * [new ref]         fac29d9036f19c4d0dd80e38e1881183a9f640d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fac29d9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild