$ git clone -n https://src.fedoraproject.org/rpms/rubygem-importmap-rails.git /var/lib/mock/f39-build-1856418-42424/root/chroot_tmpdir/scmroot/rubygem-importmap-rails
Cloning into '/var/lib/mock/f39-build-1856418-42424/root/chroot_tmpdir/scmroot/rubygem-importmap-rails'...
$ git fetch origin 676a37775903c9f455e668428f628df9ce71900c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-importmap-rails
 * [new ref]         676a37775903c9f455e668428f628df9ce71900c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 676a377 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild