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.SRCINFO generation differs from makepkg

Hi,
sometime ago the decision was made that devtools always generates the .SRCINFO file on builds. The .SRCINFO contains the basic metadata in a plain and easily parsable format. The canonical way to generate the file is via makepkg --printsrcinfo.

Description

The issue here is that the .SRCINFO generated by devtools doesn't collapse whitespaces like makepkg --printsrcinfo does. Take this example PKGBUILD:

pkgname=foo
pkgver=1.0
pkgrel=1
pkgdesc="Lots    of     whitespace"

The pkgdesc must become "Lots of whitespace", devtools leaves it as is. This doesn't sound like a big issue, but can lead to invalid .SRCINFO if the pkgdesc contains newlines, like it did in haskell-language-c99: haskell-language-c99/.SRCINFO@76dbff,
haskell-language-c99/PKGBUILD@76dbff

Analysis

devtools doesn't call makepkg, instead accessing the underlying function write_srcinfo_content. To make a long story short, just calling write_srcinfo_content like makepkg does isn't enough, shopt -s extglob must also be specified. makepkg does this, but devtools does not.

-- Vekhir

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