From 0e4e9c8e7655f3e2a9c2615923768d211ac02a3e Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Mon, 18 May 2020 22:25:13 +0200
Subject: guix hash, guix download: Support base64 format.

* guix/scripts/download.scm (show-help, %options): Support "base64"
format.
* guix/scripts/hash.scm (show-help, %options): Likewise.
* tests/guix-hash.sh: Test it.
* doc/guix.texi (Invoking guix hash): Document it.
---
 guix/scripts/download.scm | 12 ++++++++----
 guix/scripts/hash.scm     | 14 +++++++++-----
 2 files changed, 17 insertions(+), 9 deletions(-)

(limited to 'guix')

diff --git a/guix/scripts/download.scm b/guix/scripts/download.scm
index b4446c2e2f..589f62da9d 100644
--- a/guix/scripts/download.scm
+++ b/guix/scripts/download.scm
@@ -23,6 +23,7 @@
   #:use-module (gcrypt hash)
   #:use-module (guix base16)
   #:use-module (guix base32)
+  #:autoload   (guix base64) (base64-encode)
   #:use-module ((guix download) #:hide (url-fetch))
   #:use-module ((guix build download)
                 #:select (url-fetch))
@@ -84,10 +85,11 @@
 (define (show-help)
   (display (G_ "Usage: guix download [OPTION] URL
 Download the file at URL to the store or to the given file, and print its
-file name and the hash of its contents.
-
-Supported formats: 'nix-base32' (default), 'base32', and 'base16'
-('hex' and 'hexadecimal' can be used as well).\n"))
+file name and the hash of its contents.\n"))
+  (newline)
+  (display (G_ "\
+Supported formats: 'base64', 'nix-base32' (default), 'base32',
+and 'base16' ('hex' and 'hexadecimal' can be used as well).\n"))
   (format #t (G_ "
   -f, --format=FMT       write the hash in the given format"))
   (format #t (G_ "
@@ -111,6 +113,8 @@ Supported formats: 'nix-base32' (default), 'base32', and 'base16'
                 (lambda (opt name arg result)
                   (define fmt-proc
                     (match arg
+                      ("base64"
+                       base64-encode)
                       ("nix-base32"
                        bytevector->nix-base32-string)
                       ("base32"
diff --git a/guix/scripts/hash.scm b/guix/scripts/hash.scm
index cfc4420260..9b4f419a24 100644
--- a/guix/scripts/hash.scm
+++ b/guix/scripts/hash.scm
@@ -20,12 +20,13 @@
 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
 
 (define-module (guix scripts hash)
-  #:use-module (guix base32)
   #:use-module (gcrypt hash)
   #:use-module (guix serialization)
   #:use-module (guix ui)
   #:use-module (guix scripts)
   #:use-module (guix base16)
+  #:use-module (guix base32)
+  #:autoload   (guix base64) (base64-encode)
   #:use-module (ice-9 binary-ports)
   #:use-module (rnrs files)
   #:use-module (ice-9 match)
@@ -47,10 +48,11 @@
 
 (define (show-help)
   (display (G_ "Usage: guix hash [OPTION] FILE
-Return the cryptographic hash of FILE.
-
-Supported formats: 'nix-base32' (default), 'base32', and 'base16' ('hex'
-and 'hexadecimal' can be used as well).\n"))
+Return the cryptographic hash of FILE.\n"))
+  (newline)
+  (display (G_ "\
+Supported formats: 'base64', 'nix-base32' (default), 'base32',
+and 'base16' ('hex' and 'hexadecimal' can be used as well).\n"))
   (format #t (G_ "
   -x, --exclude-vcs      exclude version control directories"))
   (format #t (G_ "
@@ -83,6 +85,8 @@ and 'hexadecimal' can be used as well).\n"))
                 (lambda (opt name arg result)
                   (define fmt-proc
                     (match arg
+                      ("base64"
+                       base64-encode)
                       ("nix-base32"
                        bytevector->nix-base32-string)
                       ("base32"
-- 
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