From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: From: Alexander Stein Date: Tue, 01 Apr 2014 11:59:42 +0200 Message-ID: <5060757.6ak7jiQ6Yl@ws-stein> In-Reply-To: <20140401093730.GB29751@pengutronix.de> References: <2600638.TXFjk7YaMQ@ws-stein> <5154092.4WVLzE0vXN@ws-stein> <20140401093730.GB29751@pengutronix.de> MIME-Version: 1.0 Subject: Re: [ptxdist] git ptx-patches fails Reply-To: ptxdist@pengutronix.de List-Id: PTXdist Development Mailing List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: ptxdist-bounces@pengutronix.de Errors-To: ptxdist-bounces@pengutronix.de To: Uwe =?ISO-8859-1?Q?Kleine=2DK=F6nig?= Cc: Michael Olbrich , ptxdist@pengutronix.de Hello Uwe, On Tuesday 01 April 2014 11:37:30, Uwe Kleine-K=F6nig wrote: > On Tue, Apr 01, 2014 at 11:24:52AM +0200, Alexander Stein wrote: > > On Tuesday 01 April 2014 10:24:41, Uwe Kleine-K=F6nig wrote: > > > On Mon, Mar 31, 2014 at 07:08:53PM +0200, Alexander Stein wrote: > > > > On Saturday 29 March 2014, 10:28:54 wrote Michael Olbrich: > > > > > On Thu, Mar 27, 2014 at 08:16:15AM +0100, Alexander Stein wrote: > > > > > > I tried to use git ptx-patches fromwithin a package and noticed= it doesn't work. > > > > > > I could track down the problem to this command (from scripts/gi= t-ptx-patches): > > > > > > > man git-format-patch | grep -q -e --notes > > > > > > = > > > > > > Executing this command manually results in this error message: > > > > > > > Error executing formatting or display command. > > > > > > > System command (cd "/usr/share/man" && (echo ".pl 11i"; /bin/= bzip2 -c -d '/usr/share/man/man1/git-format-patch.1.bz2') | /usr/bin/gtbl |= /usr/bin/nroff -mandoc | less) exited with status 141. > > > > > > > No manual entry for git-format-patch > > > > > > = > > > > > > Interestingly executing > > > > > > > (cd "/usr/share/man" && (echo ".pl 11i"; /bin/bzip2 -c -d '/u= sr/share/man/man1/git-format-patch.1.bz2') | /usr/bin/gtbl | /usr/bin/nroff= -mandoc | less) | grep -q -e --notes > > > > > > works as expected. I have no idea what's wrong here. > > > > > = > > > > > Maybe this is caused by some aliases or interactive/non-ineractiv= e magic. > > > > > Does it help to replace "man git-format-patch" with "git format-p= atch > > > > > --help" or "man -P cat git-format-patch"? > > > > = > > > > Unfortunately no :( > > > > = > > > > git format-patch --help | grep -q -e --notes > > > > Error executing formatting or display command. > > > > System command (cd "/usr/share/man" && (echo ".pl 11i"; /bin/bzip2 = -c -d '/usr/share/man/man1/git-format-patch.1.bz2') | /usr/bin/gtbl | /usr/= bin/nroff -mandoc | /usr/bin/less) exited with status 141. > > > > No manual entry for git-format-patch > > > > = > > > > $ man -P cat git-format-patch | grep -q -e --notes > > > > Error executing formatting or display command. > > > > System command (cd "/usr/share/man" && (echo ".pl 11i"; /bin/bzip2 = -c -d '/usr/share/man/man1/git-format-patch.1.bz2') | /usr/bin/gtbl | /usr/= bin/nroff -mandoc | cat) exited with status 141. > > > > No manual entry for git-format-patch > > > Do you have git-format-patch's manpage, i.e. does > > > = > > > man git-format-patch > > > = > > > work? > > = > > Yep, that man page is installed. > > = > > > On bash, what happens on: > > > = > > > $ man -P cat git-format-patch | grep -q -e --notes > > > $ echo ${PIPESTATUS[@]} > > = > > $ man -P cat git-format-patch | grep -q -e --notes > > Error executing formatting or display command. > > System command (cd "/usr/share/man" && (echo ".pl 11i"; /bin/bzip2 -c -= d '/usr/share/man/man1/git-format-patch.1.bz2') | /usr/bin/gtbl | /usr/bin/= nroff -mandoc | cat) exited with status 141. > > No manual entry for git-format-patch > > $ echo ${PIPESTATUS[@]} > > 1 0 > > = > > > Does > > > = > > > strace -f -o /tmp/lala man -P cat git-format-patch | grep -q -e --no= tes > > > = > > > give any insights (e.g. where does the 141 come from?) > > = > > Somewhat. The 'culprit' is grep so far: > > $ man -P cat git-format-patch | grep -q -e --notes > > Error executing formatting or display command. > > System command (cd "/usr/share/man" && (echo ".pl 11i"; /bin/bzip2 -c -= d '/usr/share/man/man1/git-format-patch.1.bz2') | /usr/bin/gtbl | /usr/bin/= nroff -mandoc | cat) exited with status 141. > > No manual entry for git-format-patch > > $ man -P cat git-format-patch | grep -e --notes > > [--[no-]cover-letter] [--quiet] [--notes[=3D<= ref>]] > > --notes[=3D] > > = > > It seems grep slightly behaves differently when used with -q. It closes= STDIN as soon as it detects the pattern. > > But the closed pipe results in an EPIPE returned from write(2) within c= at which exits with an error. > My man (from the Debian package man-db 2.6.2-1) doesn't show this > behaviour. Is your version older or newer? I don't think this is related to man (what's man-db BTW?) at all. I think the versions of cat and grep behave differently. I have installed g= rep-2.16 and coreutils-8.21 (current Gentoo stable versions). Best regards, Alexander -- = Dipl.-Inf. Alexander Stein SYS TEC electronic GmbH Am Windrad 2 08468 Heinsdorfergrund Tel.: 03765 38600-1156 Fax: 03765 38600-4100 Email: alexander.stein@systec-electronic.com Website: www.systec-electronic.com = Managing Director: Dipl.-Phys. Siegmar Schmidt Commercial registry: Amtsgericht Chemnitz, HRB 28082 -- = ptxdist mailing list ptxdist@pengutronix.de