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-rw-r--r--emacs/guix-main.scm49
1 files changed, 49 insertions, 0 deletions
diff --git a/emacs/guix-main.scm b/emacs/guix-main.scm
index 62eeabba1e..8ad4dcbdd7 100644
--- a/emacs/guix-main.scm
+++ b/emacs/guix-main.scm
@@ -46,10 +46,12 @@
(ice-9 vlist)
(ice-9 match)
(srfi srfi-1)
+ (srfi srfi-2)
(srfi srfi-11)
(srfi srfi-19)
(srfi srfi-26)
(guix)
+ (guix git-download)
(guix packages)
(guix profiles)
(guix licenses)
@@ -252,6 +254,18 @@ Example:
(license-name license)))
(list-maybe (package-license package))))
+(define (package-source-names package)
+ "Return a list of source names (URLs) of the PACKAGE."
+ (let ((source (package-source package)))
+ (and (origin? source)
+ (filter-map (lambda (uri)
+ (cond ((string? uri)
+ uri)
+ ((git-reference? uri)
+ (git-reference-url uri))
+ (else "Unknown source type")))
+ (list-maybe (origin-uri source))))))
+
(define (package-unique? package)
"Return #t if PACKAGE is a single package with such name/version."
(null? (cdr (packages-by-name (package-name package)
@@ -263,6 +277,7 @@ Example:
(name . ,package-name)
(version . ,package-version)
(license . ,package-license-names)
+ (source . ,package-source-names)
(synopsis . ,package-synopsis)
(description . ,package-description)
(home-url . ,package-home-page)
@@ -867,3 +882,37 @@ OUTPUTS is a list of package outputs (may be an empty list)."
GENERATIONS is a list of generation numbers."
(with-store store
(delete-generations store profile generations)))
+
+(define (package-source-derivation->store-path derivation)
+ "Return a store path of the package source DERIVATION."
+ (match (derivation-outputs derivation)
+ ;; Source derivation is always (("out" . derivation)).
+ (((_ . output-drv))
+ (derivation-output-path output-drv))
+ (_ #f)))
+
+(define (package-source-path package-id)
+ "Return a store file path to a source of a package PACKAGE-ID."
+ (and-let* ((package (package-by-id package-id))
+ (source (package-source package)))
+ (with-store store
+ (package-source-derivation->store-path
+ (package-source-derivation store source)))))
+
+(define* (package-source-build-derivation package-id #:key dry-run?
+ (use-substitutes? #t))
+ "Build source derivation of a package PACKAGE-ID."
+ (and-let* ((package (package-by-id package-id))
+ (source (package-source package)))
+ (with-store store
+ (let* ((derivation (package-source-derivation store source))
+ (derivations (list derivation)))
+ (set-build-options store
+ #:use-substitutes? use-substitutes?)
+ (show-what-to-build store derivations
+ #:use-substitutes? use-substitutes?
+ #:dry-run? dry-run?)
+ (unless dry-run?
+ (build-derivations store derivations))
+ (format #t "The source store path: ~a~%"
+ (package-source-derivation->store-path derivation))))))