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-rw-r--r--emacs/guix-main.scm11
1 files changed, 11 insertions, 0 deletions
diff --git a/emacs/guix-main.scm b/emacs/guix-main.scm
index 0aee206a15..bec26c7c40 100644
--- a/emacs/guix-main.scm
+++ b/emacs/guix-main.scm
@@ -403,6 +403,12 @@ MATCH-PARAMS is a list of parameters that REGEXP can match."
(let ((re (make-regexp regexp regexp/icase)))
(matching-packages (cut package-match? <> re))))
+(define (packages-by-license license)
+ "Return a list of packages with LICENSE."
+ (matching-packages
+ (lambda (package)
+ (memq license (list-maybe (package-license package))))))
+
(define (all-available-packages)
"Return a list of all available packages."
(matching-packages (const #t)))
@@ -663,6 +669,9 @@ ENTRIES is a list of installed manifest entries."
(manifest-output-proc (apply-to-first manifest-output-patterns))
(regexp-proc (lambda (_ regexp params . __)
(packages-by-regexp regexp params)))
+ (license-proc (lambda (_ license-name)
+ (packages-by-license
+ (lookup-license license-name))))
(all-proc (lambda _ (all-available-packages)))
(newest-proc (lambda _ (newest-available-packages))))
`((package
@@ -671,6 +680,7 @@ ENTRIES is a list of installed manifest entries."
(installed . ,manifest-package-proc)
(obsolete . ,(apply-to-first obsolete-package-patterns))
(regexp . ,regexp-proc)
+ (license . ,license-proc)
(all-available . ,all-proc)
(newest-available . ,newest-proc))
(output
@@ -679,6 +689,7 @@ ENTRIES is a list of installed manifest entries."
(installed . ,manifest-output-proc)
(obsolete . ,(apply-to-first obsolete-output-patterns))
(regexp . ,regexp-proc)
+ (license . ,license-proc)
(all-available . ,all-proc)
(newest-available . ,newest-proc)))))