$ git clone -n https://src.fedoraproject.org/rpms/new-session-manager.git /var/lib/mock/f40-build-763283-122459/root/chroot_tmpdir/scmroot/new-session-manager
Cloning into '/var/lib/mock/f40-build-763283-122459/root/chroot_tmpdir/scmroot/new-session-manager'...
$ git fetch origin 4f90bcdefd333a1d98eccb659af8cac21cd325fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/new-session-manager
 * [new ref]         4f90bcdefd333a1d98eccb659af8cac21cd325fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f90bcd Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild