$ git clone -n https://src.fedoraproject.org/rpms/perl-Glib-Object-Introspection.git /var/lib/mock/f40-build-731662-104578/root/chroot_tmpdir/scmroot/perl-Glib-Object-Introspection
Cloning into '/var/lib/mock/f40-build-731662-104578/root/chroot_tmpdir/scmroot/perl-Glib-Object-Introspection'...
$ git fetch origin 8f4fbc2bcf79346f8af66076dbc41c30f110f240:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Glib-Object-Introspection
 * [new ref]         8f4fbc2bcf79346f8af66076dbc41c30f110f240 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8f4fbc2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild