$ git clone -n https://src.fedoraproject.org/rpms/calendarsupport.git /var/lib/mock/f42-flatpak-app-build-58988836-6569919/root/chroot_tmpdir/scmroot/calendarsupport
Cloning into '/var/lib/mock/f42-flatpak-app-build-58988836-6569919/root/chroot_tmpdir/scmroot/calendarsupport'...
$ git fetch origin cbafd5ce940475d51ab7a2b32345ef1c735bb182:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/calendarsupport
 * [new ref]         cbafd5ce940475d51ab7a2b32345ef1c735bb182 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cbafd5c 25.04.0