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-rw-r--r--guix/download.scm19
-rw-r--r--guix/scripts/download.scm23
-rw-r--r--guix/ui.scm16
-rw-r--r--guix/utils.scm16
4 files changed, 36 insertions, 38 deletions
diff --git a/guix/download.scm b/guix/download.scm
index ea00798b4b..b315b4c1d0 100644
--- a/guix/download.scm
+++ b/guix/download.scm
@@ -21,13 +21,15 @@
#:use-module (ice-9 match)
#:use-module (guix derivations)
#:use-module (guix packages)
- #:use-module ((guix store) #:select (derivation-path?))
+ #:use-module ((guix store) #:select (derivation-path? add-to-store))
+ #:use-module ((guix build download) #:renamer (symbol-prefix-proc 'build:))
#:use-module (guix utils)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:export (%mirrors
- url-fetch))
+ url-fetch
+ download-to-store))
;;; Commentary:
;;;
@@ -231,4 +233,17 @@ must be a list of symbol/URL-list pairs."
#:guile-for-build guile-for-build
#:env-vars env-vars)))
+(define* (download-to-store store url #:optional (name (basename url))
+ #:key (log (current-error-port)))
+ "Download from URL to STORE, either under NAME or URL's basename if
+omitted. Write progress reports to LOG."
+ (call-with-temporary-output-file
+ (lambda (temp port)
+ (let ((result
+ (parameterize ((current-output-port log))
+ (build:url-fetch url temp #:mirrors %mirrors))))
+ (close port)
+ (and result
+ (add-to-store store name #f "sha256" temp))))))
+
;;; download.scm ends here
diff --git a/guix/scripts/download.scm b/guix/scripts/download.scm
index c8760454de..220211e6b8 100644
--- a/guix/scripts/download.scm
+++ b/guix/scripts/download.scm
@@ -21,30 +21,15 @@
#:use-module (guix store)
#:use-module (guix utils)
#:use-module (guix base32)
- #:use-module ((guix download) #:select (%mirrors))
- #:use-module (guix build download)
+ #:use-module (guix download)
#:use-module (web uri)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
- #:use-module (srfi srfi-11)
- #:use-module (srfi srfi-26)
#:use-module (srfi srfi-37)
#:use-module (rnrs bytevectors)
#:use-module (rnrs io ports)
#:export (guix-download))
-(define (fetch-and-store store fetch name)
- "Call FETCH for URI, and pass it the name of a file to write to; eventually,
-copy data from that port to STORE, under NAME. Return the resulting
-store path."
- (call-with-temporary-output-file
- (lambda (temp port)
- (let ((result
- (parameterize ((current-output-port (current-error-port)))
- (fetch temp))))
- (close port)
- (and result
- (add-to-store store name #f "sha256" temp))))))
;;;
;;; Command-line options.
@@ -124,10 +109,8 @@ Supported formats: 'nix-base32' (default), 'base32', and 'base16'
(add-to-store store (basename (uri-path uri))
#f "sha256" (uri-path uri)))
(else
- (fetch-and-store store
- (cut url-fetch arg <>
- #:mirrors %mirrors)
- (basename (uri-path uri))))))
+ (download-to-store store (uri->string uri)
+ (basename (uri-path uri))))))
(hash (call-with-input-file
(or path
(leave (_ "~a: download failed~%")
diff --git a/guix/ui.scm b/guix/ui.scm
index 778711be92..9ea2f02ce2 100644
--- a/guix/ui.scm
+++ b/guix/ui.scm
@@ -41,7 +41,6 @@
with-error-handling
read/eval-package-expression
location->string
- call-with-temporary-output-file
switch-symlinks
config-directory
fill-paragraph
@@ -205,21 +204,6 @@ available for download."
(($ <location> file line column)
(format #f "~a:~a:~a" file line column))))
-(define (call-with-temporary-output-file proc)
- "Call PROC with a name of a temporary file and open output port to that
-file; close the file and delete it when leaving the dynamic extent of this
-call."
- (let* ((template (string-copy "guix-file.XXXXXX"))
- (out (mkstemp! template)))
- (dynamic-wind
- (lambda ()
- #t)
- (lambda ()
- (proc template out))
- (lambda ()
- (false-if-exception (close out))
- (false-if-exception (delete-file template))))))
-
(define (switch-symlinks link target)
"Atomically switch LINK, a symbolic link, to point to TARGET. Works
both when LINK already exists and when it does not."
diff --git a/guix/utils.scm b/guix/utils.scm
index f13e585e2b..ad1c463be8 100644
--- a/guix/utils.scm
+++ b/guix/utils.scm
@@ -60,6 +60,7 @@
version-compare
version>?
package-name->name+version
+ call-with-temporary-output-file
fold2))
@@ -464,6 +465,21 @@ introduce the version part."
((head tail ...)
(loop tail (cons head prefix))))))
+(define (call-with-temporary-output-file proc)
+ "Call PROC with a name of a temporary file and open output port to that
+file; close the file and delete it when leaving the dynamic extent of this
+call."
+ (let* ((template (string-copy "guix-file.XXXXXX"))
+ (out (mkstemp! template)))
+ (dynamic-wind
+ (lambda ()
+ #t)
+ (lambda ()
+ (proc template out))
+ (lambda ()
+ (false-if-exception (close out))
+ (false-if-exception (delete-file template))))))
+
(define fold2
(case-lambda
((proc seed1 seed2 lst)