Gentoo Archives: gentoo-dev

From: Mike Frysinger <vapier@g.o>
To: gentoo-dev@l.g.o
Cc: "Dawid Węgliński" <cla@g.o>
Subject: Re: [gentoo-dev] bash-4.0 regression heads up (escaped semicolons in subshells)
Date: Mon, 23 Feb 2009 00:00:52
Message-Id: 200902221900.46192.vapier@gentoo.org
In Reply to: Re: [gentoo-dev] bash-4.0 regression heads up (escaped semicolons in subshells) by "Dawid Węgliński"
1 On Sunday 22 February 2009 18:03:23 Dawid Węgliński wrote:
2 > On Sunday 22 of February 2009 23:39:11 Mike Frysinger wrote:
3 > > On Sunday 22 February 2009 17:30:09 Dawid Węgliński wrote:
4 > > > On Sunday 22 of February 2009 00:27:10 Mike Frysinger wrote:
5 > > > > looks like bash-4.0 has broken semicolon escaping in subshells. this
6 > > > > comes up when using find's -exec like we do in a few places in
7 > > > > eclasses: ls=$(find "$1" -name '*.po' -exec basename {} .po \;);
8 > > > > shift you can work around the issue in a couple of ways:
9 > > > > - quote the semicolon:
10 > > > > .... ';')
11 > > > > - use backticks
12 > > > > `find .... \;`
13 > > > >
14 > > > > i'll tweak the eclasses to use quoting for now
15 > > >
16 > > > FYI. Not only find's semicolons are affected. It also happens in case
17 > > > ;; construction.
18 > >
19 > > embedded case statements in $(...) subshells have always been broken.
20 > > bash-4.0 is supposed to fix that. if you have some code that is broken,
21 > > please post it so i can push it upstream.
22 >
23 > It wasn't me who experienced that, but a user:
24 >
25 > 13:50 < diabel-> <<< dir /usr/share/doc/wxGTK-2.8.9.1-r3
26 > 13:50 < diabel->
27 > /var/tmp/binpkgs/x11-libs/wxGTK-2.8.9.1-r3/temp/environment: line 2989:
28 > błąd składni przy nieoczekiwanym znaczniku `;;'
29 > 13:50 < diabel->
30 > /var/tmp/binpkgs/x11-libs/wxGTK-2.8.9.1-r3/temp/environment: line 2989: `
31 > ;;' * * ERROR: x11-libs/wxGTK-2.8.9.1-r3 failed.
32 >
33 > All it states is syntax error near double semicolons.
34
35 unfortunately, that info isnt useful in any way. it looks like it's a binpkg
36 though, so getting the files again should be possible. please have the user
37 find that file from the binpkg and report a bug.
38 -mike

Attachments

File name MIME type
signature.asc application/pgp-signature