On Sat, 2015-01-03 at 02:00 +0100, Sedat Dilek wrote: > lsb_release command is a good choice to determine the distribution > name for the changelog file in the generated Debian packages [1]. > Its installation is no precondition. > In Debian it is still not essential or build-essential. > > Ben gave some helpful informations and detailed explanations in [2]. > There he also suggested to have an option to explicitly set the > distribution name (see $KDEB_CHANGELOG_DIST variable). > > Embedded the improvement as suggested by Thorsten (see [3]): > > "This is suboptimal: if KDEB_CHANGELOG_DIST is defined, > lsb_release is not necessary. The following snippet > also omits using its output if it fails but still > produces any:" > > Dealing with this issue I learned about "The Colon in the Shell." and > possible pitfalls in this area (see [4,5]). Furthermore, refreshed my > knowledge about redirecting outputs with the echo command (see [5]). > Special thanks to Thorsten, I enjoyed the IRC session with you. > > Cooked together the snippets of Ben and Thorsten (see [2,3]). > Tested against Linux v3.19-rc2. > > Thanks goes to Alexander, Ben, maximilian and Thorsten for the very > vital help. > > [1] https://lkml.org/lkml/2012/4/23/516 > [2] http://marc.info/?l=linux-kbuild&m=142022188322321&w=2 > [3] http://marc.info/?l=linux-kbuild&m=142023476825460&w=2 > [4] http://blog.brlink.eu/index.html#i70 > [5] https://www.mirbsd.org/permalinks/wlog-10_e20141209-tg.htm > [6] http://stackoverflow.com/questions/23489934/echo-2-some-text-what-does-it-mean-in-shell-scripting > > CC: Ben Hutchings <ben@xxxxxxxxxxxxxxx> Reviewed-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> > CC: maximilian attems <max@xxxxxxx> > CC: Thorsten Glaser <tg@xxxxxxxxxx> > CC: Alexander Wirt <formorer@xxxxxxxxxx> > CC: Michal Marek <mmarek@xxxxxxx> > CC: linux-kbuild@xxxxxxxxxxxxxxx > Suggested-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> > Suggested-by: Thorsten Glaser <tg@xxxxxxxxxx> > Signed-off-by: Sedat Dilek <sedat.dilek@xxxxxxxxx> > --- > v5: Improve commit-message and fix Thorsten's email-address > v4: Embed improvements suggested by Thorsten > v3: Massaged the commit-message > v2: Suppress error messages when lsb_release is not installed. > (Thanks maximilian and Ben.) > > scripts/package/builddeb | 13 ++++++++++++- > 1 file changed, 12 insertions(+), 1 deletion(-) > > diff --git a/scripts/package/builddeb b/scripts/package/builddeb > index 5972624..f631c77 100755 > --- a/scripts/package/builddeb > +++ b/scripts/package/builddeb > @@ -217,9 +217,20 @@ else > fi > maintainer="$name <$email>" > > +# Try to determine distribution > +if [ -n "$KDEB_CHANGELOG_DIST" ]; then > + distribution=$KDEB_CHANGELOG_DIST > +elif distribution=$(lsb_release -cs 2>/dev/null) && [ -n "$distribution" ]; then > + : # nothing to do in this case > +else > + distribution="unstable" > + echo >&2 "Using default distribution of 'unstable' in the changelog" > + echo >&2 "Install lsb-release or set \$KDEB_CHANGELOG_DIST explicitly" > +fi > + > # Generate a simple changelog template > cat <<EOF > debian/changelog > -linux-upstream ($packageversion) unstable; urgency=low > +linux-upstream ($packageversion) $distribution; urgency=low > > * Custom built Linux kernel. > -- Ben Hutchings Theory and practice are closer in theory than in practice. - John Levine, moderator of comp.compilers
Attachment:
signature.asc
Description: This is a digitally signed message part
