Re: [PATCH] builddeb: Fix build on non-Debian/Ubuntu distros

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On Fri, 2020-10-30 at 17:56 +0100, Petr Vorel wrote:
> This fixes make bindeb-pkg for RPM based distros, which don't have
> dpkg-dev (and thus not /usr/bin/dpkg-buildpackage), which sets
> $DEB_RULES_REQUIRES_ROOT.
> 
> Fixes: 3e8541803624 ("builddeb: Enable rootless builds")

This doesn't seem to fix a bug, and in fact it would introduce one.

> Signed-off-by: Petr Vorel <petr.vorel@xxxxxxxxx>
[...]
> --- a/scripts/package/builddeb
> +++ b/scripts/package/builddeb
> @@ -37,7 +37,7 @@ create_package() {
>                 | xargs -r0 md5sum > DEBIAN/md5sums"
>  
>         # Fix ownership and permissions
> -       if [ "$DEB_RULES_REQUIRES_ROOT" = "no" ]; then
> +       if [ -z "$DEB_RULES_REQUIRES_ROOT" -o "$DEB_RULES_REQUIRES_ROOT" = "no" ]; then
>                 dpkg_deb_opts="--root-owner-group"
>         else
>                 chown -R root:root "$pdir"

This is the wrong default behaviour; it will cause a regression with
older versions of dpkg that don't support this option.

If you invoke this script directly and do not use dpkg-buildpackage
(which I don't think is really supported anyway) then you must either
do so as root or use fakeroot (as dpkg-buildpackage does by default).

Ben.

-- 
Ben Hutchings
The first rule of tautology club is the first rule of tautology club.

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