Re: [PATCH 2/2] kbuild: package: add -e and -u options to shell scripts

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On Mon, Jun 17, 2024 at 01:52:23AM +0900 Masahiro Yamada wrote:
> On Mon, Jun 17, 2024 at 12:56 AM Nicolas Schier <nicolas@xxxxxxxxx> wrote:
> >
> > On Mon, Jun 17, 2024 at 12:21:15AM +0900, Masahiro Yamada wrote:
> > > On Wed, Jun 12, 2024 at 1:09 AM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
> > > >
> > > > Set -e to make these scripts fail on the first error.
> > > >
> > > > Set -u because these scripts are invoked by Makefile, and do not work
> > > > properly without necessary variables defined.
> > > >
> > > > Remove the explicit "test -n ..." from scripts/package/install-extmod-build.
> > > >
> > > > Both options are described in POSIX. [1]
> > > >
> > > > [1]: https://pubs.opengroup.org/onlinepubs/009604499/utilities/set.html
> > > >
> > > > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> > > > ---
> > >
> > >
> > >
> > > Setting -u needs more careful review and test.
> > >
> > >
> > > This patch will break 'make deb-pkg'.
> > >
> > >
> > > ./scripts/package/mkdebian: 150: KDEB_PKGVERSION: parameter not set
> > >
> > >
> > >
> > >
> > > To set -u, scripts/package/mkdebian needs code refactoring.
> > >
> > >
> > >
> > > I will keep scripts/package/mkdebian untouched.
> >
> > uh, I missed that during the review.  Do you want to refactor mkdebian
> > in large scale, or is an explicit fallback definition possibly
> > acceptable for you?
> >
> > diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
> > index ecfeb34b99aa..7e3878197041 100755
> > --- a/scripts/package/mkdebian
> > +++ b/scripts/package/mkdebian
> > @@ -7,5 +7,17 @@
> >  set -eu
> >
> > +# Optional user-specified environment variables
> > +
> > +# Set target Debian architecture (skip auto-detection)
> > +: "${KBUILD_DEBARCH:=}"
> > +
> > +# Set target Debian distribution (skipping auto-detection)
> > +: "${KDEB_CHANGELOG_DIST:=}"
> > +
> > +# Overwrite the automatically determined package version.
> > +: ${KDEB_PKGVERSION:=}
> > +
> > +
> >  is_enabled() {
> >         grep -q "^$1=y" include/config/auto.conf
> >  }
> >
> 
> 
> 
> 
> It depends on the code.
> 
> 
> 
> 
> I would fix
> 
> 
>    if [ -n "$KDEB_PKGVERSION" ]; then
> 
> 
> to
> 
>    if [ "${KDEB_PKGVERSION:+set}" = set ]; then
> 
> or
>    if [ "${KDEB_PKGVERSION:+set}" ]; then


ah, yes that's probaly better than the default value assigments,  Please ignore
my patch.

Kind regards,
Nicolas




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