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-rw-r--r--doc/guix.texi10
-rw-r--r--guix/channels.scm20
-rw-r--r--tests/channels.scm50
3 files changed, 70 insertions, 10 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index c3dd977860..7823367605 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -4160,7 +4160,15 @@ The meta-data file should contain a simple S-expression like this:
(dependencies
(channel
(name some-collection)
- (url "https://example.org/first-collection.git"))
+ (url "https://example.org/first-collection.git")
+
+ ;; The 'introduction' bit below is optional: you would
+ ;; provide it for dependencies that can be authenticated.
+ (introduction
+ (channel-introduction
+ (version 0)
+ (commit "a8883b58dc82e167c96506cf05095f37c2c2c6cd")
+ (signer "CABB A931 C0FF EEC6 900D 0CFB 090B 1199 3D9A EBB5"))))
(channel
(name some-other-collection)
(url "https://example.org/second-collection.git")
diff --git a/guix/channels.scm b/guix/channels.scm
index 32ada7bbc6..500c956f0f 100644
--- a/guix/channels.scm
+++ b/guix/channels.scm
@@ -223,6 +223,14 @@ introduction, add it."
(#f `(branch . ,(channel-branch channel)))
(commit `(commit . ,(channel-commit channel)))))
+(define sexp->channel-introduction
+ (match-lambda
+ (('channel-introduction ('version 0)
+ ('commit commit) ('signer signer)
+ _ ...)
+ (make-channel-introduction commit (openpgp-fingerprint signer)))
+ (x #f)))
+
(define (read-channel-metadata port)
"Read from PORT channel metadata in the format expected for the
'.guix-channel' file. Return a <channel-metadata> record, or raise an error
@@ -250,7 +258,9 @@ if valid metadata could not be read from PORT."
(name name)
(branch branch)
(url url)
- (commit (get 'commit))))))
+ (commit (get 'commit))
+ (introduction (and=> (get 'introduction)
+ sexp->channel-introduction))))))
dependencies)
news-file
keyring-reference
@@ -948,14 +958,6 @@ to 'latest-channel-instances'."
(define (profile-channels profile)
"Return the list of channels corresponding to entries in PROFILE. If
PROFILE is not a profile created by 'guix pull', return the empty list."
- (define sexp->channel-introduction
- (match-lambda
- (('channel-introduction ('version 0)
- ('commit commit) ('signer signer)
- _ ...)
- (make-channel-introduction commit (openpgp-fingerprint signer)))
- (x #f)))
-
(filter-map (lambda (entry)
(match (assq 'source (manifest-entry-properties entry))
(('source ('repository ('version 0)
diff --git a/tests/channels.scm b/tests/channels.scm
index 7e593b84c4..cde3b668fb 100644
--- a/tests/channels.scm
+++ b/tests/channels.scm
@@ -536,4 +536,54 @@
#:keyring-reference-prefix "")
'failed)))))))
+(unless (gpg+git-available?) (test-skip 1))
+(test-equal "latest-channel-instances, authenticate dependency"
+ #t
+ ;; Make sure that a channel dependency that has an introduction is
+ ;; authenticated. This test checks that an authentication error is raised
+ ;; as it should when authenticating the dependency.
+ (with-fresh-gnupg-setup (list %ed25519-public-key-file
+ %ed25519-secret-key-file)
+ (with-temporary-git-repository dependency-directory
+ `((add ".guix-channel"
+ ,(object->string
+ '(channel (version 0)
+ (keyring-reference "master"))))
+ (add ".guix-authorizations"
+ ,(object->string
+ `(authorizations (version 0) ())))
+ (add "signer.key" ,(call-with-input-file %ed25519-public-key-file
+ get-string-all))
+ (commit "zeroth commit"
+ (signer ,(key-fingerprint %ed25519-public-key-file)))
+ (add "foo.txt" "evil")
+ (commit "unsigned commit"))
+ (with-repository dependency-directory dependency
+ (let* ((commit0 (find-commit dependency "zeroth"))
+ (commit1 (find-commit dependency "unsigned"))
+ (intro `(channel-introduction
+ (version 0)
+ (commit ,(commit-id-string commit0))
+ (signer ,(openpgp-format-fingerprint
+ (openpgp-public-key-fingerprint
+ (read-openpgp-packet
+ %ed25519-public-key-file)))))))
+ (with-temporary-git-repository directory
+ `((add ".guix-channel"
+ ,(object->string
+ `(channel (version 0)
+ (dependencies
+ (channel
+ (name test-channel)
+ (url ,dependency-directory)
+ (introduction ,intro))))))
+ (commit "single commit"))
+ (let ((channel (channel (name 'test) (url directory))))
+ (guard (c ((unsigned-commit-error? c)
+ (oid=? (git-authentication-error-commit c)
+ (commit-id commit1))))
+ (with-store store
+ (latest-channel-instances store (list channel))
+ 'failed)))))))))
+
(test-end "channels")