$ git clone -n https://src.fedoraproject.org/rpms/gsettings-desktop-schemas.git /var/lib/mock/f45-build-13076-446/root/chroot_tmpdir/scmroot/gsettings-desktop-schemas
Cloning into '/var/lib/mock/f45-build-13076-446/root/chroot_tmpdir/scmroot/gsettings-desktop-schemas'...
$ git fetch origin 465245f8795cc78dbe7efbc1c346f5cbaf6a57c1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gsettings-desktop-schemas
 * [new ref]         465245f8795cc78dbe7efbc1c346f5cbaf6a57c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 465245f Legacy GConf convert files removed upstream