Mail Archives: cygwin/2001/03/01/12:31:50
On Wed, 28 Feb 2001 at 18:38:11 -0500 Christopher Faylor wrote:
> For what gain? So that users can create symlinks that could be used
> from Windows? I am wondering if the gain is worth the price.
What he said!
Apologies for butting in, but since users' needs are an issue here,
maybe a mere user can comment.
The new symlink system lets you (1) use Windows shortcuts as symbolic
links in Cygwin (sc. with Cygwin-aware programs), and (2) create Windows
shortcuts as symbolic links in Cygwin. I'd like to suggest that (1) is
more important than (2).
The main motivation for user-land use of Cygwin is to overlay the
Windows working environment with something better; e.g. to escape from
Windows Explorer to bash + fileutils. In that context, whether Explorer
can recognize a Cygwin symbolic link is a secondary issue.
Admittedly, it would sometimes be nice to let Cygwin make Windows
shortcuts. For example, it might be nice to put a symlink in
`/usr/local/bin' and have a non-Cygwin-aware "make.exe" follow it. So
(2) is a secondary issue but not a non-issue.
Obviously these are just one individual's priorities. But maybe if you
check it out, you'll find others with similar.
Anyhow, if you take the line that letting Cygwin-non-aware programs use
Cygwin-created links is nice-to-have but not essential, that suggests
that it's not worth going to great lengths to handle `.lnk' extensions
gracefully -- or raising a lot of questions of the form "But what
happens if I do X?"
I'd suggest that something like this would be sufficiently user-
friendly (for the kind of users who want Cygwin in the first place):
* Let Cygwin recognize Windows shortcuts as symbolic links.
* Let Cygwin optionally create symbolic links as Windows shortcuts,
e.g. "ln foo bar" makes an old-style symbolic link,
"ln --uwin foo bar" makes a Windows shortcut.
* Don't require Cygwin to hide or covertly add the `.lnk' extension.
So to follow a Windows shortcut "foo.lnk", you actually have to call
it "foo.lnk" when talking to your Cygwin-aware program. Similarly,
to make a Windows shortcut that Cygwin-non-aware programs will
actually recognize, you have to give the `.lnk' extension in your
"ln" command; e.g. "ln --uwin foo bar" really does make `bar'; to
make `bar.lnk' you have to ask for it explicitly,
"ln --uwin foo bar.lnk".
* Users who would like Windows Explorer to handle Cygwin symbolic
links gracefully, may ask Microsoft to link the next release of
Explorer against the cygwin DLL; or request the source code so they
can hack it themselves :).
It seems to me that this provides most of the benefits of the new
symlinks, and avoids most of the specification hassles.
--
robert mcdougall . center for global trade analysis
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