Initial commit.

* guix.scm: New file.
* zabbix.scm: New file.
* zabbix_guix: New file.

1 files changed, 104 insertions, 0 deletions

diff --git a/guix.scm b/guix.scm
new file mode 100644
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+++ b/guix.scm
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+;; guix.scm --- Guix package for Zabbix-Guix
+;; Copyright © 2019 Oleg Pykhalov <go.wigust@gmail.com>
+;; Released under the GNU GPLv3 or any later version.
+
+(use-modules ((guix licenses) #:prefix license:)
+             (guix build-system guile)
+             (guix build utils)
+             (guix packages)
+             (guix gexp)
+             (guix git-download)
+             (ice-9 popen)
+             (ice-9 rdelim)
+             (gnu packages bash)
+             (gnu packages guile)
+             (gnu packages package-management))
+
+(define %source-dir (dirname (current-filename)))
+
+(define (git . args)
+  "Execute 'git ARGS ...' command and return its output without trailing
+newspace."
+  (with-directory-excursion %source-dir
+    (let* ((port   (apply open-pipe* OPEN_READ "git" args))
+           (output (read-string port)))
+      (close-port port)
+      (string-trim-right output #\newline))))
+
+(let ((commit (git "log" "-n" "1" "--pretty=format:%H")))
+  (package
+    (name "zabbix-guix")
+    (version (string-append "0.0.1" "-" (string-take commit 7)))
+    (source (local-file %source-dir
+                        #:recursive? #t
+                        #:select? (git-predicate %source-dir)))
+    (build-system guile-build-system)
+    (inputs
+     `(("bash" ,bash)))
+    (native-inputs
+     `(("guile" ,guile-2.2)
+       ("guile-json" ,guile-json)
+       ("guix" ,guix)
+       ,@(package-propagated-inputs guix)))
+    (arguments
+     `(#:modules ((guix build guile-build-system)
+                  (guix build utils)
+                  (srfi srfi-26)
+                  (ice-9 popen)
+                  (ice-9 rdelim))
+                 #:phases
+                 (modify-phases %standard-phases
+                   (replace 'unpack
+                     (lambda* (#:key inputs #:allow-other-keys)
+                       (for-each (lambda (file)
+                                   (copy-file (string-append (assoc-ref inputs "source") "/" file)
+                                              (string-append "./" file)))
+                                 '("zabbix_guix" "zabbix.scm"))))
+                   (add-after 'unpack 'setenv
+                     (lambda _
+                       (setenv "PATH"
+                               (string-append (assoc-ref %build-inputs "bash") "/bin" ":"
+                                              (getenv "PATH")))))
+                   (add-after 'install 'install-script
+                     (lambda* (#:key inputs outputs #:allow-other-keys)
+                       (let* ((out (assoc-ref outputs "out"))
+                              (bin (string-append out "/bin"))
+                              (zabbix-guix (string-append bin "/zabbix_guix"))
+                              (guile (assoc-ref inputs "guile"))
+                              (guile-bin (string-append guile "/bin/guile"))
+                              (git (assoc-ref inputs "guile-git"))
+                              (bs (assoc-ref inputs "guile-bytestructures"))
+                              (gcrypt (assoc-ref inputs "guile-gcrypt"))
+                              (json (assoc-ref inputs "guile-json"))
+                              (guix (assoc-ref inputs "guix"))
+                              (deps (list out gcrypt json bs git guix))
+                              (effective
+                               (read-line
+                                (open-pipe* OPEN_READ guile-bin
+                                            "-c" "(display (effective-version))")))
+                              (path   (string-join
+                                       (map (cut string-append <>
+                                                 "/share/guile/site/"
+                                                 effective)
+                                            deps)
+                                       ":"))
+                              (gopath (string-join
+                                       (map (cut string-append <>
+                                                 "/lib/guile/" effective
+                                                 "/site-ccache")
+                                            deps)
+                                       ":")))
+                         (mkdir-p bin)
+                         (substitute* "./zabbix_guix"
+                           (("\\$\\(which guile\\)") guile-bin))
+                         (install-file "./zabbix_guix" bin)
+                         (chmod zabbix-guix #o555)
+                         (wrap-program zabbix-guix
+                           `("GUILE_LOAD_PATH" ":" prefix (,path))
+                           `("GUILE_LOAD_COMPILED_PATH" ":" prefix (,gopath)))
+                         #t))))))
+    (home-page "https://anongit.duckdns.org/guix/zabbix-guix")
+    (description "This package provides a Guile script to monitor Guix
+channels difference.")
+    (synopsis "Monitor Guix in Zabbix")
+    (license license:gpl3+)))