$ git clone -n https://src.fedoraproject.org/rpms/perl-Gtk3-WebKit.git /var/lib/mock/f40-build-2112730-50672/root/chroot_tmpdir/scmroot/perl-Gtk3-WebKit
Cloning into '/var/lib/mock/f40-build-2112730-50672/root/chroot_tmpdir/scmroot/perl-Gtk3-WebKit'...
$ git fetch origin dcf6d281a0d144c1365b06d1a783e59a06ea9ed4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Gtk3-WebKit
 * [new ref]         dcf6d281a0d144c1365b06d1a783e59a06ea9ed4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dcf6d28 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild