util: make str(url) return file:/// for abs paths again
str(url) was recently changed to return only file:/. However, the
canonical way to represent absolute local paths is file:/// [1], which
is also expected by at least hgsubversion.
Relative paths are returned as file:the/relative/path.
[1] http://en.wikipedia.org/wiki/File_URI_scheme
$ "$TESTDIR/hghave" symlink || exit 80
$ origdir=`pwd`
$ hg init repo
$ cd repo
$ ln -s nothing dangling
avoid tar warnings about old timestamp
$ hg ci -d '2000-01-01 00:00:00 +0000' -qAm 'add symlink'
$ hg archive -t files ../archive
$ hg archive -t tar -p tar ../archive.tar
$ hg archive -t zip -p zip ../archive.zip
files
$ cd "$origdir"
$ cd archive
$ $TESTDIR/readlink.py dangling
dangling -> nothing
tar
$ cd "$origdir"
$ tar xf archive.tar
$ cd tar
$ $TESTDIR/readlink.py dangling
dangling -> nothing
zip
$ cd "$origdir"
$ unzip archive.zip > /dev/null
$ cd zip
$ $TESTDIR/readlink.py dangling
dangling -> nothing