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From jwadamson <...@git.apache.org>
Subject [GitHub] ant issue #24: fix 60150 values containing backtick or $ character cause she...
Date Mon, 10 Oct 2016 19:39:18 GMT
Github user jwadamson commented on the issue:

    https://github.com/apache/ant/pull/24
  
    Oh, and the final two lines of ant script needed quotes to preserve
    intra-argument whitespace properly
    
    
    --Jeff
    
    On Mon, Oct 10, 2016 at 3:36 PM, Jeff Adamson <jwadamson@gmail.com> wrote:
    
    > So I think I figured out some of this in terms of why escaping was so
    > funny.
    > Also found an issue with sed on mac (no group-0 reference) in my earlier
    > fix.
    >
    > The bash variable replacement syntax is perfect, but while it works on
    > bash and ksh, does not on dash (other shells unknown).
    >
    > Outside of that, the only problem (other than non-mac, non-ubuntu testing)
    > remaining is whitespace handling.
    >
    > I looked into using awk insetad of sed. That might be better in terms of
    > portability, but has the same empty line/newline style problems parsing
    > input arguments.
    >
    > I can not figure out a way to do a 100% white-space-preserving string
    > replacement using the typical commands.
    >
    > My sample command is:
    >
    >>
    >> ./ant --execdebug -v "-Dfoo=dollar\$_backtick\`_single'_double\"_trailingbackslash\\"
    >> "-Dbar=trailingnewline
    >> "
    >
    >
    > And test build.xml is :
    >
    >> <project default="default">
    >>   <target name="default">
    >>     <echo>start</echo>
    >>     <echo>foo=${foo}</echo>
    >>     <echo message="bar=${bar}X${line.separator} Y"/>
    >>     <echo>done</echo>
    >>   </target>
    >> </project>
    >
    >
    > Current version which includes hard coded flags for using any of bash,
    > sed, or awk is here
    >   https://github.com/jwadamson/ant-1/tree/fix-60150_1.9.x
    > and
    >   https://github.com/jwadamson/ant-1/blob/fix-60150_1.9.x/src/script/ant
    >
    >
    > I am now sub'd to the dev and user ant lists. If I the thread for this
    > topic I can include this info.
    >
    >
    >
    > --Jeff
    >
    > On Mon, Oct 10, 2016 at 12:13 PM, Stefan Bodewig <notifications@github.com
    > > wrote:
    >
    >> Thanks Jeff. I've asked for help on the dev and user mailing lists. It's
    >> not only Solaris but also HP/UX which may be even more difficult to get
    >> hold of.
    >>
    >> —
    >> You are receiving this because you were mentioned.
    >> Reply to this email directly, view it on GitHub
    >> <https://github.com/apache/ant/pull/24#issuecomment-252668112>, or mute
    >> the thread
    >> <https://github.com/notifications/unsubscribe-auth/AANHKy2YBd6xACbgz-QE19bzA63VxPw2ks5qymRFgaJpZM4KA3ym>
    >> .
    >>
    >
    >



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