$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell-extension-gsconnect.git /var/lib/mock/f39-build-1532936-36226/root/chroot_tmpdir/scmroot/gnome-shell-extension-gsconnect
Cloning into '/var/lib/mock/f39-build-1532936-36226/root/chroot_tmpdir/scmroot/gnome-shell-extension-gsconnect'...
$ git fetch origin 84e7600ce6904638dd0b9846e1fb8bb9b43afc74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-shell-extension-gsconnect
 * [new ref]         84e7600ce6904638dd0b9846e1fb8bb9b43afc74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 84e7600 Update to latest snapshot for GNOME 45 support