From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Date: Tue, 1 Apr 2014 11:37:30 +0200 From: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= Message-ID: <20140401093730.GB29751@pengutronix.de> References: <2600638.TXFjk7YaMQ@ws-stein> <2910384.0cJodDoVy1@kongar> <20140401082441.GC6045@pengutronix.de> <5154092.4WVLzE0vXN@ws-stein> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <5154092.4WVLzE0vXN@ws-stein> 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: Alexander Stein Cc: Michael Olbrich , ptxdist@pengutronix.de Hello Alexander, 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 i= t doesn't work. > > > > > I could track down the problem to this command (from scripts/git-= 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/bz= ip2 -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 '/usr= /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-ineractive = magic. > > > > Does it help to replace "man git-format-patch" with "git format-pat= ch > > > > --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/bi= n/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/bi= n/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/nr= off -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 --notes > > = > > 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/nr= off -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]] > --notes[=3D] > = > It seems grep slightly behaves differently when used with -q. It closes S= TDIN as soon as it detects the pattern. > But the closed pipe results in an EPIPE returned from write(2) within cat= 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? Best regards Uwe -- = Pengutronix e.K. | Uwe Kleine-K=F6nig | Industrial Linux Solutions | http://www.pengutronix.de/ | -- = ptxdist mailing list ptxdist@pengutronix.de