Bug#881254: [git-buildpackage/master] command_wrapper: quote error strings

[Guido Günther]

tag 881254 pending
thanks

Date:   Thu Nov 9 13:27:54 2017 +0100
Author: Guido Günther <a...@sigxcpu.org>
Commit ID: 4378eae4cc22ea612dc48823dfbe74b4d9f45ba9
Commit URL: 
https://git.sigxcpu.org/cgit/git-buildpackage//commit/?id=4378eae4cc22ea612dc48823dfbe74b4d9f45ba9
Patch URL: 
https://git.sigxcpu.org/cgit/git-buildpackage//patch/?id=4378eae4cc22ea612dc48823dfbe74b4d9f45ba9

    command_wrapper: quote error strings

    so we don't accidentally try to expand values in error messages

    Closes: #881254