RE: svn generates long lists of empty diffs with --diff-cmd
> -Original Message- > From: Alexey Neyman [mailto:sti...@att.net] > Sent: donderdag 20 april 2017 02:59 > To: users@subversion.apache.org > Subject: svn generates long lists of empty diffs with --diff-cmd > > Hi, > > I noticed that SVN generates a lot of spurious diffs when using a > --diff-cmd option that look like this: > > Index: arch/alpha/boot/tools/objstrip.c > == > = > Index: arch/alpha/boot/Makefile > == > = > > Is it possible to suppress such empty diffs? This makes the tools like > ReviewBoard (www.reviewboard.org) examine a lot of unchanged files and > slows them down considerably and unnecessary. What argument do you pass to --diff-cmd ? Is it possible that the files are actually different, but your diff command reports that they are not different (e.g. after normalizing whitespace). I think this header is printed on changed files, right before invoking the diff command. Bert > > Regards, > Alexey.
Re: svn generates long lists of empty diffs with --diff-cmd
On 04/20/2017 06:52 AM, Bert Huijben wrote: -Original Message- From: Alexey Neyman [mailto:sti...@att.net] Sent: donderdag 20 april 2017 02:59 To: users@subversion.apache.org Subject: svn generates long lists of empty diffs with --diff-cmd Hi, I noticed that SVN generates a lot of spurious diffs when using a --diff-cmd option that look like this: Index: arch/alpha/boot/tools/objstrip.c == = Index: arch/alpha/boot/Makefile == = Is it possible to suppress such empty diffs? This makes the tools like ReviewBoard (www.reviewboard.org) examine a lot of unchanged files and slows them down considerably and unnecessary. What argument do you pass to --diff-cmd ? svn diff --diff-cmd=diff Is it possible that the files are actually different, but your diff command reports that they are not different (e.g. after normalizing whitespace). I think this header is printed on changed files, right before invoking the diff command. No, plain 'svn diff' does not show any differences, not even properties. For example: [aneyman@rhel-build2 src]$ svn diff $URL/SETUP.bash SETUP.bash [aneyman@rhel-build2 src]$ svn diff --diff-cmd=diff $URL/SETUP.bash SETUP.bash Index: SETUP.bash === Alexey.
Re: svn generates long lists of empty diffs with --diff-cmd
On 04/20/2017 09:58 PM, Alexey Neyman wrote: On 04/20/2017 06:52 AM, Bert Huijben wrote: -Original Message- From: Alexey Neyman [mailto:sti...@att.net] Sent: donderdag 20 april 2017 02:59 To: users@subversion.apache.org Subject: svn generates long lists of empty diffs with --diff-cmd Hi, I noticed that SVN generates a lot of spurious diffs when using a --diff-cmd option that look like this: Index: arch/alpha/boot/tools/objstrip.c == = Index: arch/alpha/boot/Makefile == = Is it possible to suppress such empty diffs? This makes the tools like ReviewBoard (www.reviewboard.org) examine a lot of unchanged files and slows them down considerably and unnecessary. What argument do you pass to --diff-cmd ? svn diff --diff-cmd=diff Is it possible that the files are actually different, but your diff command reports that they are not different (e.g. after normalizing whitespace). I think this header is printed on changed files, right before invoking the diff command. No, plain 'svn diff' does not show any differences, not even properties. For example: [aneyman@rhel-build2 src]$ svn diff $URL/SETUP.bash SETUP.bash [aneyman@rhel-build2 src]$ svn diff --diff-cmd=diff $URL/SETUP.bash SETUP.bash Index: SETUP.bash === Some more information: - While the properties on the file itself are the same, the inherited properties differ (at least, svn:mergeinfo on the parent directory). - This behavior is observed on 1.10.0-dev, 1.9.x and 1.8.x. Subversion 1.7.x does not display these spurious "Index:" lines. Regards, Alexey.
Re: svn generates long lists of empty diffs with --diff-cmd
On 04/20/2017 10:44 PM, Alexey Neyman wrote: On 04/20/2017 09:58 PM, Alexey Neyman wrote: On 04/20/2017 06:52 AM, Bert Huijben wrote: -Original Message- From: Alexey Neyman [mailto:sti...@att.net] Sent: donderdag 20 april 2017 02:59 To: users@subversion.apache.org Subject: svn generates long lists of empty diffs with --diff-cmd Hi, I noticed that SVN generates a lot of spurious diffs when using a --diff-cmd option that look like this: Index: arch/alpha/boot/tools/objstrip.c == = Index: arch/alpha/boot/Makefile == = Is it possible to suppress such empty diffs? This makes the tools like ReviewBoard (www.reviewboard.org) examine a lot of unchanged files and slows them down considerably and unnecessary. What argument do you pass to --diff-cmd ? svn diff --diff-cmd=diff Is it possible that the files are actually different, but your diff command reports that they are not different (e.g. after normalizing whitespace). I think this header is printed on changed files, right before invoking the diff command. No, plain 'svn diff' does not show any differences, not even properties. For example: [aneyman@rhel-build2 src]$ svn diff $URL/SETUP.bash SETUP.bash [aneyman@rhel-build2 src]$ svn diff --diff-cmd=diff $URL/SETUP.bash SETUP.bash Index: SETUP.bash === Some more information: - While the properties on the file itself are the same, the inherited properties differ (at least, svn:mergeinfo on the parent directory). - This behavior is observed on 1.10.0-dev, 1.9.x and 1.8.x. Subversion 1.7.x does not display these spurious "Index:" lines. So, given the information above, can it be considered a bug/regression? Regards, Alexey. Regards, Alexey.
Re: svn generates long lists of empty diffs with --diff-cmd
Alexey Neyman wrote on Fri, May 05, 2017 at 08:50:07 -0700: > On 04/20/2017 10:44 PM, Alexey Neyman wrote: > >On 04/20/2017 09:58 PM, Alexey Neyman wrote: > >>No, plain 'svn diff' does not show any differences, not even properties. > >>For example: > >> > >>[aneyman@rhel-build2 src]$ svn diff $URL/SETUP.bash SETUP.bash > >>[aneyman@rhel-build2 src]$ svn diff --diff-cmd=diff $URL/SETUP.bash > >>SETUP.bash > >>Index: SETUP.bash > >>=== > >Some more information: > >- While the properties on the file itself are the same, the inherited > >properties differ (at least, svn:mergeinfo on the parent directory). > >- This behavior is observed on 1.10.0-dev, 1.9.x and 1.8.x. Subversion > >1.7.x does not display these spurious "Index:" lines. > > > So, given the information above, can it be considered a bug/regression? Sure.
