GUB dist-check failure

[Graham Percival]

Presumably the script was tested with bash, but was being run with
sh or dash?  or something like that?

- Graham


git
--git-dir=/main/src/gub/target/linux-x86/src/lilypond-git.sv.gnu.org--lilypond.git-release-unstable/.git
show HEAD | head -100 > out/RELEASE-COMMIT
make[5]: Leaving directory
`/main/src/gub/target/linux-x86/build/lilypond-git.sv.gnu.org--lilypond.git-release-unstable'
cd
/main/src/gub/target/linux-x86/src/lilypond-git.sv.gnu.org--lilypond.git-release-unstable
&& git ls-files
>/main/src/gub/target/linux-x86/build/lilypond-git.sv.gnu.org--lilypond.git-release-unstable/.gitfilelist
/bin/sh: Syntax error: word unexpected (expecting "then")
make[4]: *** [dist] Error 2
make[4]: Leaving directory
`/main/src/gub/target/linux-x86/build/lilypond-git.sv.gnu.org--lilypond.git-release-unstable'
Traceback (most recent call last):
  File "test-lily/dist-check.py", line 137, in <module>
    main ()
  File "test-lily/dist-check.py", line 129, in main
    system ('cd %(builddir)s/ && make DOCUMENTATION=yes dist' %
locals ())
  File "test-lily/dist-check.py", line 56, in system
    raise Exception ('failed')
Exception: failed
make[3]: *** [unlocked-dist-check] Error 1
make[3]: Leaving directory `/main/src/gub'