Re: [PATCH 7/8] git-p4: decode p4 wildcard characters

[Tor Arvid Lund <torarvid@gmail.com>]

On Sat, Feb 5, 2011 at 11:52 PM, Pete Wyckoff <pw@padd.com> wrote:
> There are four wildcard characters in p4.  Files with these
> characters can be added to p4 repos using the "-f" option.
> They are stored in %xx notation, and when checked out, p4
> converts them back to normal.
>
> This patch does the same thing when importing into git,
> converting the four special characters.  Without this change,
> the files appear with literal %xx in their names.
>
> Signed-off-by: Pete Wyckoff <pw@padd.com>
> ---
>  contrib/fast-import/git-p4 |   13 +++++++++++++
>  t/t9800-git-p4.sh          |   22 ++++++++++++++++++++++
>  2 files changed, 35 insertions(+), 0 deletions(-)
>
> diff --git a/contrib/fast-import/git-p4 b/contrib/fast-import/git-p4
> index 04e6c3d..5b08cd6 100755
> --- a/contrib/fast-import/git-p4
> +++ b/contrib/fast-import/git-p4
> @@ -884,6 +884,18 @@ class P4Sync(Command):
>         if gitConfig("git-p4.syncFromOrigin") == "false":
>             self.syncWithOrigin = False
>
> +    # The p4 wildcards are not allowed in filenames.  It complains
> +    # if you try to add them, but you can override with "-f", in
> +    # which case it translates them into %xx encoding.  Search for
> +    # and fix just these four characters.  Do % last so it does
> +    # not inadvertantly create new %-escapes.
> +    def wildcard_decode(self, path):
> +        path = path.replace("%23", "#") \
> +                   .replace("%2A", "*") \

This probably works fine on UNIX platforms, but the asterisk '*'
character is not allowed in windows filenames. I don't really know
what perforce does in that scenario. Does it make the most sense to
just keep the %2A in the filename if we are running on windows (??)

    -- Tor Arvid

> +                   .replace("%40", "@") \
> +                   .replace("%25", "%")
> +        return path
> +
>     def extractFilesFromCommit(self, commit):
>         self.cloneExclude = [re.sub(r"\.\.\.$", "", path)
>                              for path in self.cloneExclude]
> @@ -962,6 +974,7 @@ class P4Sync(Command):
>            return
>
>         relPath = self.stripRepoPath(file['depotFile'], self.branchPrefixes)
> +        relPath = self.wildcard_decode(relPath)
>         if verbose:
>             sys.stderr.write("%s\n" % relPath)
>
> diff --git a/t/t9800-git-p4.sh b/t/t9800-git-p4.sh
> index 41e57bb..72c38af 100755
> --- a/t/t9800-git-p4.sh
> +++ b/t/t9800-git-p4.sh
> @@ -65,6 +65,28 @@ test_expect_success 'exit when p4 fails to produce marshaled output' '
>        test_must_fail grep -q Traceback errs
>  '
>
> +test_expect_success 'add p4 files with wildcards in the names' '
> +       cd "$cli" &&
> +       echo file-wild-hash >file-wild#hash &&
> +       echo file-wild-star >file-wild\*star &&
> +       echo file-wild-at >file-wild@at &&
> +       echo file-wild-percent >file-wild%percent &&
> +       p4 add -f file-wild* &&
> +       p4 submit -d "file wildcards" &&
> +       cd "$TRASH_DIRECTORY"
> +'
> +
> +test_expect_success 'wildcard files git-p4 clone' '
> +       "$GITP4" clone --dest="$git" //depot &&
> +       cd "$git" &&
> +       test -f file-wild#hash &&
> +       test -f file-wild\*star &&
> +       test -f file-wild@at &&
> +       test -f file-wild%percent &&
> +       cd "$TRASH_DIRECTORY" &&
> +       rm -rf "$git" && mkdir "$git"
> +'
> +
>  test_expect_success 'shutdown' '
>        pid=`pgrep -f p4d` &&
>        test -n "$pid" &&
> --
> 1.7.2.3
>
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