Package: lintian
Version: 2.5.10.3
Severity: minor
In an exceptionally stupid in-house package, I ran across a false
positive for shell-script-fails-syntax-check. Distilled, it is
$ cat tmp.bash
#!/bin/bash
shopt -s extglob
ls -ld /home/!(prisoners)
$ bash -n tmp.bash
tmp.bash: line 3: syntax error near unexpected token `('
tmp.bash: line 3: `ls -ld /home/!(prisoners)'
$ bash -O extglob -n tmp.bash
$ bash tmp.bash
drwxr-xr-x 1 twb twb 6538 Jan 27 00:00 /home/twb
This happens because -n prevents bash from switching into extglob mode
before parsing the third line. Manually telling bash to be in extglob
at the start of the file shows it has no syntax errors.
A pathological script could turn extglob/nullglob/&c on and off
halfway through, so I see no way to handle this other than to
downgrade the certainty from "certain", at least for bash scripts.
-- System Information:
Debian Release: 7.0
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 3.7-trunk-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_AU.utf8, LC_CTYPE=en_AU.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages lintian depends on:
ii binutils 2.22-7.1
ii bzip2 1.0.6-4
ii diffstat 1.55-3
ii file 5.11-2
ii gettext 0.18.1.1-9
ii hardening-includes 2.2
ii intltool-debian 0.35.0+20060710.1
ii libapt-pkg-perl 0.1.26+b1
ii libarchive-zip-perl 1.30-6
ii libc-bin 2.13-37
ii libclass-accessor-perl 0.34-1
ii libclone-perl 0.31-1+b2
ii libdpkg-perl 1.16.9
ii libemail-valid-perl 0.190-1
ii libipc-run-perl 0.92-1
ii libparse-debianchangelog-perl 1.2.0-1
ii libtimedate-perl 1.2000-1
ii liburi-perl 1.60-1
ii locales 2.13-37
ii man-db 2.6.2-1
ii patchutils 0.3.2-1.1
ii perl [libdigest-sha-perl] 5.14.2-16
lintian recommends no packages.
Versions of packages lintian suggests:
pn binutils-multiarch <none>
ii dpkg-dev 1.16.9
ii libhtml-parser-perl 3.69-2
pn libperlio-gzip-perl <none>
pn libtext-template-perl <none>
ii man-db 2.6.2-1
ii xz-utils [lzma] 5.1.1alpha+20120614-2
-- no debconf information
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