suzanne.soy/racket
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added some error checking

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svn: r12217
This commit is contained in:
Robby Findler 2008-11-02 14:21:04 +00:00
parent 0b79aaa1ae
commit db5dcfa67e
1 changed files with 20 additions and 5 deletions
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25
collects/planet/planet.ss
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@ -43,7 +43,9 @@ Download and install the package that
(require (planet \"file.ss\" (<owner> <pkg> <maj> <min>)))
would install"
#:args (owner pkg maj min)
(download/install owner pkg maj min)]
(begin
(verify-package-name pkg)
(download/install owner pkg maj min))]
["remove" "remove the specified package from the local cache"
"
Remove the specified package from the local cache, optionally also removing its distribution file"
@ -75,21 +77,29 @@ Install local file <plt-file> into the planet cache as though it had been downlo
["link" "create a development link"
"\nCreate a development link between the specified package specifier and the specified directory name"
#:args (owner pkg maj min path)
(add-hard-link-cmd owner pkg maj min path)]
(begin
(verify-package-name pkg)
(add-hard-link-cmd owner pkg maj min path))]
["unlink" "remove development link associated with the given package"
"\nRemove development link associated with the given package"
#:args (owner pkg maj min)
(remove-hard-link-cmd owner pkg maj min)]
(begin
(verify-package-name pkg)
(remove-hard-link-cmd owner pkg maj min))]
["fetch" "download a package file without installing it"
"\nDownload the given package file without installing it"
#:args (owner pkg maj min)
(download/no-install owner pkg maj min)]
(begin
(verify-package-name pkg)
(download/no-install owner pkg maj min))]
["url" "get a URL for the given package"
"
Get a URL for the given package.
This is not necessary for normal use of planet, but may be helpful in some circumstances for retrieving packages."
#:args (owner pkg maj min)
(get-download-url owner pkg maj min)]
(begin
(verify-package-name pkg)
(get-download-url owner pkg maj min))]
["open" "unpack the contents of the given package"
"
Unpack the contents of the given package into the given directory without installing.
@ -114,6 +124,11 @@ This command does not unpack or install the named .plt file."
module
"Remove all linkage the given module has, forcing it to upgrade"
...)))
(define (verify-package-name pkg)
(unless (regexp-match #rx"\\.plt$" pkg)
(fprintf (current-error-port) "Expected package name to end with '.plt', got: ~a\n" pkg)
(exit 1)))
;; ============================================================