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Re: [bug-patch] Patch fails to replace unmodified files
From: |
Andreas Grünbacher |
Subject: |
Re: [bug-patch] Patch fails to replace unmodified files |
Date: |
Mon, 1 Jun 2015 20:51:30 +0200 |
Hi Andrew,
2015-06-01 20:16 GMT+02:00 Andrew Church <address@hidden>:
> At some point in the past few years, patch stopped replacing files which
> were not modified due to all hunks failing to apply. This breaks the
> following pattern:
>
> $ cp -al package package-orig
> $ cd package
> $ patch -p1 </tmp/package-fixes.diff
> 1 out of 1 hunk FAILED -- saving rejects to file foo.c.rej
> $ emacs foo.c{,.rej} # apply them manually
> $ rm foo.c.{orig,rej}
> $ cd ..
> $ diff -urN package{-orig,}
> $ # huh, no diffs?
that's when emacs is configured not to break hard links; the same would
happen if you edit any other file that patch hasn't modified.
> ...because patch leaves the original (hardlinked) file untouched when it
> detects that all hunks have failed. This is particularly annoying since
> it means patch's behavior is not consistent with respect to hard links:
> patch _does_ delink and replace files if some, but not all, hunks fail
> to apply.
Of course it does when the file changes.
> As a result, I have to check each file I intend to edit and
> manually "cp foo foo~; mv foo~ foo" if the file has not been modified.
... or fix your emacs configuration, which is what causes the problem.
Thanks,
Andreas
- [bug-patch] Patch fails to replace unmodified files, Andrew Church, 2015/06/01
- Re: [bug-patch] Patch fails to replace unmodified files,
Andreas Grünbacher <=
- Re: [bug-patch] Patch fails to replace unmodified files, Andrew Church, 2015/06/01
- Re: [bug-patch] Patch fails to replace unmodified files, Andreas Grünbacher, 2015/06/01
- Re: [bug-patch] Patch fails to replace unmodified files, Andrew Church, 2015/06/01
- Re: [bug-patch] Patch fails to replace unmodified files, Andreas Grünbacher, 2015/06/01
- Re: [bug-patch] Patch fails to replace unmodified files, Andrew Church, 2015/06/01
- Re: [bug-patch] Patch fails to replace unmodified files, Andreas Grünbacher, 2015/06/01