ambevar-dotfiles/.config/guix/profile-to-manifest.scm

55 lines
2.1 KiB
Scheme

;; Run with:
;; guile -s FILE ~/.guix-profile
(use-modules (guix profiles)
(gnu packages) ; fold-packages
(guix packages) ; package structure
(ice-9 match)
(ice-9 pretty-print))
(define (packages-by-name name)
(fold-packages (lambda (package list)
(if (string=? (package-name package) name)
(cons package list)
list))
'()))
(define (guix-manifest where)
(sort (map (lambda (entry)
(let* ((name (manifest-entry-name entry))
(out (manifest-entry-output entry))
(version (manifest-entry-version entry))
(default-version (match (packages-by-name name)
((first-name . rest)
(package-version
first-name))
(else #f))))
(string-append name
(if (and default-version
(not (string= version default-version)))
(format #f "@~a" version)
"")
(if (string= out "out")
""
(format #f ":~a" out)))))
(manifest-entries (profile-manifest where)))
string<?))
;; Thanks to Ivan Vilata-i-Balaguer for this:
(define (guix-commit)
(let ((guix-manifest (profile-manifest (string-append (getenv "HOME") "/.config/guix/current"))))
(match (assq 'source (manifest-entry-properties (car (manifest-entries guix-manifest))))
(('source ('repository ('version 0) _ _
('commit commit) _ ...))
commit)
(_ #f))))
(match (command-line)
((_ where)
(format #t ";; commit: ~a\n" (guix-commit))
(pretty-print
`(specifications->manifest
',(guix-manifest where))))
(_ (error "Please provide the path to a Guix profile.")))