aboutsummaryrefslogtreecommitdiff
path: root/guix/scripts/pull.scm
diff options
context:
space:
mode:
Diffstat (limited to 'guix/scripts/pull.scm')
-rw-r--r--guix/scripts/pull.scm410
1 files changed, 218 insertions, 192 deletions
diff --git a/guix/scripts/pull.scm b/guix/scripts/pull.scm
index 433502b5de..dc83729911 100644
--- a/guix/scripts/pull.scm
+++ b/guix/scripts/pull.scm
@@ -20,6 +20,7 @@
(define-module (guix scripts pull)
#:use-module (guix ui)
#:use-module (guix utils)
+ #:use-module (guix status)
#:use-module (guix scripts)
#:use-module (guix store)
#:use-module (guix config)
@@ -30,64 +31,26 @@
#:use-module (guix grafts)
#:use-module (guix memoization)
#:use-module (guix monads)
+ #:use-module (guix channels)
#:autoload (guix inferior) (open-inferior)
#:use-module (guix scripts build)
- #:autoload (guix self) (whole-package)
+ #:use-module (guix git)
+ #:use-module (git)
#:use-module (gnu packages)
- #:autoload (gnu packages ssh) (guile-ssh)
- #:autoload (gnu packages tls) (gnutls)
#:use-module ((guix scripts package) #:select (build-and-use-profile))
- #:use-module ((guix build utils)
- #:select (with-directory-excursion delete-file-recursively))
- #:use-module ((guix build download)
- #:select (%x509-certificate-directory))
#:use-module (gnu packages base)
#:use-module (gnu packages guile)
#:use-module ((gnu packages bootstrap)
#:select (%bootstrap-guile))
#:use-module ((gnu packages certs) #:select (le-certs))
#:use-module (srfi srfi-1)
- #:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-35)
#:use-module (srfi srfi-37)
#:use-module (ice-9 match)
#:use-module (ice-9 vlist)
- #:export (guix-pull))
-
-(module-autoload! (resolve-module '(guix scripts pull))
- '(git) '(git-error? set-tls-certificate-locations!)
- '(guix git) '(latest-repository-commit))
-
-(define (ensure-guile-git!)
- ;; Previously Guile-Git was not a prerequisite. Thus, someone running 'guix
- ;; pull' on an old installation may be lacking Guile-Git. To address this,
- ;; we autoload things that depend on Guile-Git and check in the entry point
- ;; whether Guile-Git is available.
- ;;
- ;; TODO: Remove this hack when Guile-Git is widespread or enforced.
-
- (unless (false-if-exception (resolve-interface '(git)))
- (leave (G_ "Guile-Git is missing but it is now required by 'guix pull'.
-Install it by running:
-
- guix package -i ~a
- export GUILE_LOAD_PATH=$HOME/.guix-profile/share/guile/site/~a:$GUILE_LOAD_PATH
- export GUILE_LOAD_COMPILED_PATH=$HOME/.guix-profile/lib/guile/~a/site-ccache:$GUILE_LOAD_COMPILED_PATH
-\n")
- (match (effective-version)
- ("2.0" "guile2.0-git")
- (_ "guile-git"))
- (effective-version)
- (effective-version)))
-
- ;; XXX: For unclear reasons this is needed for
- ;; 'set-tls-certificate-locations!'.
- (module-use! (resolve-module '(guix scripts pull))
- (resolve-interface '(git))))
-
-(define %repository-url
- (or (getenv "GUIX_PULL_URL") "https://git.savannah.gnu.org/git/guix.git"))
+ #:export (display-profile-content
+ guix-pull))
;;;
@@ -96,11 +59,12 @@ Install it by running:
(define %default-options
;; Alist of default option values.
- `((repository-url . ,%repository-url)
- (ref . (branch . "origin/master"))
- (system . ,(%current-system))
+ `((system . ,(%current-system))
(substitutes? . #t)
(build-hook? . #t)
+ (print-build-trace? . #t)
+ (print-extended-build-trace? . #t)
+ (multiplexed-build-output? . #t)
(graft? . #t)
(verbosity . 0)))
@@ -110,6 +74,8 @@ Download and deploy the latest version of Guix.\n"))
(display (G_ "
--verbose produce verbose output"))
(display (G_ "
+ -C, --channels=FILE deploy the channels defined in FILE"))
+ (display (G_ "
--url=URL download from the Git repository at URL"))
(display (G_ "
--commit=COMMIT download the specified COMMIT"))
@@ -119,6 +85,10 @@ Download and deploy the latest version of Guix.\n"))
-l, --list-generations[=PATTERN]
list generations matching PATTERN"))
(display (G_ "
+ -p, --profile=PROFILE use PROFILE instead of ~/.config/guix/current"))
+ (display (G_ "
+ -n, --dry-run show what would be pulled and built"))
+ (display (G_ "
--bootstrap use the bootstrap Guile to build the new Guix"))
(newline)
(show-build-options-help)
@@ -134,6 +104,9 @@ Download and deploy the latest version of Guix.\n"))
(cons* (option '("verbose") #f #f
(lambda (opt name arg result)
(alist-cons 'verbose? #t result)))
+ (option '(#\C "channels") #t #f
+ (lambda (opt name arg result)
+ (alist-cons 'channel-file arg result)))
(option '(#\l "list-generations") #f #t
(lambda (opt name arg result)
(cons `(query list-generations ,(or arg ""))
@@ -149,6 +122,10 @@ Download and deploy the latest version of Guix.\n"))
(lambda (opt name arg result)
(alist-cons 'ref `(branch . ,(string-append "origin/" arg))
result)))
+ (option '(#\p "profile") #t #f
+ (lambda (opt name arg result)
+ (alist-cons 'profile (canonicalize-profile arg)
+ result)))
(option '(#\n "dry-run") #f #f
(lambda (opt name arg result)
(alist-cons 'dry-run? #t (alist-cons 'graft? #f result))))
@@ -171,70 +148,6 @@ Download and deploy the latest version of Guix.\n"))
(define indirect-root-added
(store-lift add-indirect-root))
-(define %self-build-file
- ;; The file containing code to build Guix. This serves the same purpose as
- ;; a makefile, and, similarly, is intended to always keep this name.
- "build-aux/build-self.scm")
-
-(define %pull-version
- ;; This is the version of the 'guix pull' protocol. It specifies what's
- ;; expected from %SELF-BUILD-FILE. The initial version ("0") was when we'd
- ;; place a set of compiled Guile modules in ~/.config/guix/latest.
- 1)
-
-(define* (build-from-source source
- #:key verbose? commit)
- "Return a derivation to build Guix from SOURCE, using the self-build script
-contained therein. Use COMMIT as the version string."
- ;; Running the self-build script makes it easier to update the build
- ;; procedure: the self-build script of the Guix-to-be-installed contains the
- ;; right dependencies, build procedure, etc., which the Guix-in-use may not
- ;; be know.
- (let* ((script (string-append source "/" %self-build-file))
- (build (primitive-load script)))
- ;; BUILD must be a monadic procedure of at least one argument: the source
- ;; tree.
- ;;
- ;; Note: BUILD can return #f if it does not support %PULL-VERSION. In the
- ;; future we'll fall back to a previous version of the protocol when that
- ;; happens.
- (build source #:verbose? verbose? #:version commit
- #:pull-version %pull-version)))
-
-(define (whole-package-for-legacy name modules)
- "Return a full-blown Guix package for MODULES, a derivation that builds Guix
-modules in the old ~/.config/guix/latest style."
- (whole-package name modules
-
- ;; In the "old style", %SELF-BUILD-FILE would simply return a
- ;; derivation that builds modules. We have to infer what the
- ;; dependencies of these modules were.
- (list guile-json guile-git guile-bytestructures
- guile-ssh gnutls)))
-
-(define* (derivation->manifest-entry drv
- #:key url branch commit)
- "Return a manifest entry for DRV, which represents Guix at COMMIT. Record
-URL, BRANCH, and COMMIT as a property in the manifest entry."
- (mbegin %store-monad
- (what-to-build (list drv))
- (built-derivations (list drv))
- (let ((out (derivation->output-path drv)))
- (return (manifest-entry
- (name "guix")
- (version (string-take commit 7))
- (item (if (file-exists? (string-append out "/bin/guix"))
- drv
- (whole-package-for-legacy (string-append name "-"
- version)
- drv)))
- (properties
- `((source (repository
- (version 0)
- (url ,url)
- (branch ,branch)
- (commit ,commit))))))))))
-
(define (display-profile-news profile)
"Display what's up in PROFILE--new packages, and all that."
(match (memv (generation-number profile)
@@ -252,25 +165,19 @@ URL, BRANCH, and COMMIT as a property in the manifest entry."
#:heading (G_ "New in this revision:\n"))))
(_ #t)))
-(define* (build-and-install source config-dir
- #:key verbose? url branch commit)
- "Build the tool from SOURCE, and install it in CONFIG-DIR."
+(define* (build-and-install instances profile
+ #:key verbose? dry-run?)
+ "Build the tool from SOURCE, and install it in PROFILE. When DRY-RUN? is
+true, display what would be built without actually building it."
(define update-profile
(store-lift build-and-use-profile))
- (define profile
- (string-append config-dir "/current"))
-
- (mlet* %store-monad ((drv (build-from-source source
- #:commit commit
- #:verbose? verbose?))
- (entry (derivation->manifest-entry drv
- #:url url
- #:branch branch
- #:commit commit)))
+ (mlet %store-monad ((manifest (channel-instances->manifest instances)))
(mbegin %store-monad
- (update-profile profile (manifest (list entry)))
- (return (display-profile-news profile)))))
+ (update-profile profile manifest
+ #:dry-run? dry-run?)
+ (munless dry-run?
+ (return (display-profile-news profile))))))
(define (honor-lets-encrypt-certificates! store)
"Tell Guile-Git to use the Let's Encrypt certificates."
@@ -278,17 +185,34 @@ URL, BRANCH, and COMMIT as a property in the manifest entry."
(certs (string-append (derivation->output-path drv)
"/etc/ssl/certs")))
(build-derivations store (list drv))
-
- ;; In the past Guile-Git would not provide this procedure.
- (if (module-defined? (resolve-interface '(git))
- 'set-tls-certificate-locations!)
- (set-tls-certificate-locations! certs)
- (begin
- ;; In this case we end up using whichever certificates OpenSSL
- ;; chooses to use: $SSL_CERT_FILE, $SSL_CERT_DIR, or /etc/ssl/certs.
- (warning (G_ "cannot enforce use of the Let's Encrypt \
-certificates~%"))
- (warning (G_ "please upgrade Guile-Git~%"))))))
+ (set-tls-certificate-locations! certs)))
+
+(define (honor-x509-certificates store)
+ "Use the right X.509 certificates for Git checkouts over HTTPS."
+ ;; On distros such as CentOS 7, /etc/ssl/certs contains only a couple of
+ ;; files (instead of all the certificates) among which "ca-bundle.crt". On
+ ;; other distros /etc/ssl/certs usually contains the whole set of
+ ;; certificates along with "ca-certificates.crt". Try to choose the right
+ ;; one.
+ (let ((file (letrec-syntax ((choose
+ (syntax-rules ()
+ ((_ file rest ...)
+ (let ((f file))
+ (if (and f (file-exists? f))
+ f
+ (choose rest ...))))
+ ((_)
+ #f))))
+ (choose (getenv "SSL_CERT_FILE")
+ "/etc/ssl/certs/ca-certificates.crt"
+ "/etc/ssl/certs/ca-bundle.crt")))
+ (directory (or (getenv "SSL_CERT_DIR") "/etc/ssl/certs")))
+ (if (or file
+ (and=> (stat directory #f)
+ (lambda (st)
+ (> (stat:nlink st) 2))))
+ (set-tls-certificate-locations! directory file)
+ (honor-lets-encrypt-certificates! store))))
(define (report-git-error error)
"Report the given Guile-Git error."
@@ -309,6 +233,60 @@ certificates~%"))
;;;
+;;; Profile.
+;;;
+
+(define %current-profile
+ ;; The "real" profile under /var/guix.
+ (string-append %profile-directory "/current-guix"))
+
+(define %user-profile-directory
+ ;; The user-friendly name of %CURRENT-PROFILE.
+ (string-append (config-directory #:ensure? #f) "/current"))
+
+(define (migrate-generations profile directory)
+ "Migrate the generations of PROFILE to DIRECTORY."
+ (format (current-error-port)
+ (G_ "Migrating profile generations to '~a'...~%")
+ %profile-directory)
+ (let ((current (generation-number profile)))
+ (for-each (lambda (generation)
+ (let ((source (generation-file-name profile generation))
+ (target (string-append directory "/current-guix-"
+ (number->string generation)
+ "-link")))
+ ;; Note: Don't use 'rename-file' as SOURCE and TARGET might
+ ;; live on different file systems.
+ (symlink (readlink source) target)
+ (delete-file source)))
+ (profile-generations profile))
+ (symlink (string-append "current-guix-"
+ (number->string current) "-link")
+ (string-append directory "/current-guix"))))
+
+(define (ensure-default-profile)
+ (ensure-profile-directory)
+
+ ;; In 0.15.0+ we'd create ~/.config/guix/current-[0-9]*-link symlinks. Move
+ ;; them to %PROFILE-DIRECTORY.
+ (unless (string=? %profile-directory
+ (dirname (canonicalize-profile %user-profile-directory)))
+ (migrate-generations %user-profile-directory %profile-directory))
+
+ ;; Make sure ~/.config/guix/current points to /var/guix/profiles/….
+ (let ((link %user-profile-directory))
+ (unless (equal? (false-if-exception (readlink link))
+ %current-profile)
+ (catch 'system-error
+ (lambda ()
+ (false-if-exception (delete-file link))
+ (symlink %current-profile link))
+ (lambda args
+ (leave (G_ "while creating symlink '~a': ~a~%")
+ link (strerror (system-error-errno args))))))))
+
+
+;;;
;;; Queries.
;;;
@@ -335,7 +313,9 @@ way and displaying details about the channel's source code."
;; Show most recently installed packages last.
(reverse
(manifest-entries
- (profile-manifest (generation-file-name profile number))))))
+ (profile-manifest (if (zero? number)
+ profile
+ (generation-file-name profile number)))))))
(define (indented-string str indent)
"Return STR with each newline preceded by IDENT spaces."
@@ -421,11 +401,8 @@ and ALIST2 differ, display HEADING upfront."
(display-new/upgraded-packages (package-alist gen1)
(package-alist gen2)))
-(define (process-query opts)
- "Process any query specified by OPTS."
- (define profile
- (string-append (config-directory) "/current"))
-
+(define (process-query opts profile)
+ "Process any query on PROFILE specified by OPTS."
(match (assoc-ref opts 'query)
(('list-generations pattern)
(define (list-generations profile numbers)
@@ -455,62 +432,111 @@ and ALIST2 differ, display HEADING upfront."
((numbers ...)
(list-generations profile numbers)))))))))
+(define (channel-list opts)
+ "Return the list of channels to use. If OPTS specify a channel file,
+channels are read from there; otherwise, if ~/.config/guix/channels.scm
+exists, read it; otherwise %DEFAULT-CHANNELS is used. Apply channel
+transformations specified in OPTS (resulting from '--url', '--commit', or
+'--branch'), if any."
+ (define file
+ (assoc-ref opts 'channel-file))
+
+ (define default-file
+ (string-append (config-directory) "/channels.scm"))
+
+ (define (load-channels file)
+ (let ((result (load* file (make-user-module '((guix channels))))))
+ (if (and (list? result) (every channel? result))
+ result
+ (leave (G_ "'~a' did not return a list of channels~%") file))))
+
+ (define channels
+ (cond (file
+ (load-channels file))
+ ((file-exists? default-file)
+ (load-channels default-file))
+ (else
+ %default-channels)))
+
+ (define (environment-variable)
+ (match (getenv "GUIX_PULL_URL")
+ (#f #f)
+ (url
+ (warning (G_ "The 'GUIX_PULL_URL' environment variable is deprecated.
+Use '~/.config/guix/channels.scm' instead."))
+ url)))
+
+ (let ((ref (assoc-ref opts 'ref))
+ (url (or (assoc-ref opts 'repository-url)
+ (environment-variable))))
+ (if (or ref url)
+ (match channels
+ ((one)
+ ;; When there's only one channel, apply '--url', '--commit', and
+ ;; '--branch' to this specific channel.
+ (let ((url (or url (channel-url one))))
+ (list (match ref
+ (('commit . commit)
+ (channel (inherit one)
+ (url url) (commit commit) (branch #f)))
+ (('branch . branch)
+ (channel (inherit one)
+ (url url) (commit #f) (branch branch)))
+ (#f
+ (channel (inherit one) (url url)))))))
+ (_
+ ;; Otherwise bail out.
+ (leave
+ (G_ "'--url', '--commit', and '--branch' are not applicable~%"))))
+ channels)))
+
(define (guix-pull . args)
- (define (use-le-certs? url)
- (string-prefix? "https://git.savannah.gnu.org/" url))
-
(with-error-handling
(with-git-error-handling
- (let* ((opts (parse-command-line args %options
- (list %default-options)))
- (url (assoc-ref opts 'repository-url))
- (ref (assoc-ref opts 'ref))
- (cache (string-append (cache-directory) "/pull")))
- (ensure-guile-git!)
-
+ (let* ((opts (parse-command-line args %options
+ (list %default-options)))
+ (cache (string-append (cache-directory) "/pull"))
+ (channels (channel-list opts))
+ (profile (or (assoc-ref opts 'profile) %current-profile)))
+ (ensure-default-profile)
(cond ((assoc-ref opts 'query)
- (process-query opts))
- ((assoc-ref opts 'dry-run?)
- #t) ;XXX: not very useful
+ (process-query opts profile))
(else
(with-store store
- (parameterize ((%graft? (assoc-ref opts 'graft?)))
- (set-build-options-from-command-line store opts)
-
- ;; For reproducibility, always refer to the LE certificates
- ;; when we know we're talking to Savannah.
- (when (use-le-certs? url)
- (honor-lets-encrypt-certificates! store))
-
- (format (current-error-port)
- (G_ "Updating from Git repository at '~a'...~%")
- url)
-
- (let-values (((checkout commit)
- (latest-repository-commit store url
- #:ref ref
- #:cache-directory
- cache)))
-
- (format (current-error-port)
- (G_ "Building from Git commit ~a...~%")
- commit)
- (parameterize ((%guile-for-build
- (package-derivation
- store
- (if (assoc-ref opts 'bootstrap?)
- %bootstrap-guile
- (canonical-package guile-2.2)))))
- (run-with-store store
- (build-and-install checkout (config-directory)
- #:url url
- #:branch (match ref
- (('branch . branch)
- branch)
- (_ #f))
- #:commit commit
- #:verbose?
- (assoc-ref opts 'verbose?)))))))))))))
+ (with-status-report print-build-event
+ (parameterize ((%graft? (assoc-ref opts 'graft?))
+ (%repository-cache-directory cache))
+ (set-build-options-from-command-line store opts)
+ (honor-x509-certificates store)
+
+ (let ((instances (latest-channel-instances store channels)))
+ (format (current-error-port)
+ (N_ "Building from this channel:~%"
+ "Building from these channels:~%"
+ (length instances)))
+ (for-each (lambda (instance)
+ (let ((channel
+ (channel-instance-channel instance)))
+ (format (current-error-port)
+ " ~10a~a\t~a~%"
+ (channel-name channel)
+ (channel-url channel)
+ (string-take
+ (channel-instance-commit instance)
+ 7))))
+ instances)
+ (parameterize ((%guile-for-build
+ (package-derivation
+ store
+ (if (assoc-ref opts 'bootstrap?)
+ %bootstrap-guile
+ (canonical-package guile-2.2)))))
+ (run-with-store store
+ (build-and-install instances profile
+ #:dry-run?
+ (assoc-ref opts 'dry-run?)
+ #:verbose?
+ (assoc-ref opts 'verbose?))))))))))))))
;;; pull.scm ends here