$ git clone -n https://src.fedoraproject.org/rpms/gmailctl.git /var/lib/mock/f39-build-1686804-41102/root/chroot_tmpdir/scmroot/gmailctl
Cloning into '/var/lib/mock/f39-build-1686804-41102/root/chroot_tmpdir/scmroot/gmailctl'...
$ git fetch origin 6b6f8e74764f661a6e90c14d47e9972371d7a8ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gmailctl
 * [new ref]         6b6f8e74764f661a6e90c14d47e9972371d7a8ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b6f8e7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild