Re: How to prepare patch for git am which remove a file ?

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On Tue, Nov 20, 2018 at 1:55 PM SZEDER Gábor <szeder.dev@xxxxxxxxx> wrote:
>
> On Tue, Nov 20, 2018 at 01:39:40PM +0100, Mathieu Malaterre wrote:
> > Here is a simple setup:
> >
> >   cd /tmp
> >   mkdir g
> >   cd g
> >   git init .
> >   wget http://central.maven.org/maven2/org/apache/xmlgraphics/fop/2.1/fop-2.1.pom
> >   git add fop-2.1.pom
> >   git commit -m "My First Commit"
> >   git rm fop-2.1.pom
> >   git commit -m "Second Commit"
> >   git format-patch HEAD~
> >   git reset --hard HEAD~
> >   git am 0001-Second-Commit.patch
> > Applying: Second Commit
> > error: patch failed: fop-2.1.pom:1
> > error: fop-2.1.pom: patch does not apply
> > Patch failed at 0001 Second Commit
> > hint: Use 'git am --show-current-patch' to see the failed patch
> > When you have resolved this problem, run "git am --continue".
> > If you prefer to skip this patch, run "git am --skip" instead.
> > To restore the original branch and stop patching, run "git am --abort".
> >
> > What is the black magic to get `git am` to understand this patch ?
>
> The file in question uses CRLF line endings.

Ah right, I wasn't paying attention. Thanks.

>   $ git am --keep-cr 0001-Second-Commit.patch
>   Applying: Second Commit
>
> For explanation I quote ad2c928001 (git-am: Add command line parameter
> `--keep-cr` passing it to git-mailsplit, 2010-02-27):
>
>   c2ca1d7 (Allow mailsplit (and hence git-am) to handle mails with CRLF
>   line-endings, 2009-08-04) fixed "git mailsplit" to help people with
>   MUA whose output from save-as command uses CRLF as line terminators by
>   stripping CR at the end of lines.
>
>   However, when you know you are feeding output from "git format-patch"
>   directly to "git am", and especially when your contents have CR at the
>   end of line, such stripping is undesirable.  To help such a use case,
>   teach --keep-cr option to "git am" and pass that to "git mailinfo".
>



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