$ git clone -n https://src.fedoraproject.org/rpms/mingw-qscintilla.git /var/lib/mock/f39-build-1823299-41843/root/chroot_tmpdir/scmroot/mingw-qscintilla
Cloning into '/var/lib/mock/f39-build-1823299-41843/root/chroot_tmpdir/scmroot/mingw-qscintilla'...
$ git fetch origin dc030792acc7133d8423a364b3173fa4d30426d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-qscintilla
 * [new ref]         dc030792acc7133d8423a364b3173fa4d30426d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc03079 Rebuild (sip)