diff options
Diffstat (limited to 'src/cuirass/base.scm')
| -rw-r--r-- | src/cuirass/base.scm | 98 |
1 files changed, 56 insertions, 42 deletions
diff --git a/src/cuirass/base.scm b/src/cuirass/base.scm index 58f2be3..1d15747 100644 --- a/src/cuirass/base.scm +++ b/src/cuirass/base.scm @@ -24,10 +24,12 @@ #:use-module (guix build utils) #:use-module (guix derivations) #:use-module (guix store) + #:use-module (guix git) #:use-module (ice-9 format) #:use-module (ice-9 match) #:use-module (ice-9 popen) #:use-module (ice-9 rdelim) + #:use-module (ice-9 receive) #:use-module (srfi srfi-19) #:use-module (srfi srfi-34) #:export (;; Procedures. @@ -77,33 +79,42 @@ values." duration) (acons #:duration duration result))))) -(define (fetch-repository spec) - "Get the latest version of repository specified in SPEC. Clone repository -if required. Return the last commit ID on success, #f otherwise." - (define (current-commit) - (let* ((pipe (open-input-pipe "git log -n1")) - (log (read-string pipe)) - (commit (cadr (string-split log char-set:whitespace)))) - (close-pipe pipe) - commit)) - +(define (fetch-repository store spec) + "Get the latest version of repository specified in SPEC. Return two +values: the content of the git repository at URL copied into a store +directory and the sha1 of the top level commit in this directory." + + (define (add-origin branch) + "Prefix branch name with origin if no remote is specified." + (if (string-index branch #\/) + branch + (string-append "origin/" branch))) + + (let ((name (assq-ref spec #:name)) + (url (assq-ref spec #:url)) + (branch (and=> (assq-ref spec #:branch) + (lambda (b) + `(branch . ,(add-origin b))))) + (commit (and=> (assq-ref spec #:commit) + (lambda (c) + `(commit . ,c)))) + (tag (and=> (assq-ref spec #:tag) + (lambda (t) + `(tag . ,t))))) + (latest-repository-commit store url + #:cache-directory (%package-cachedir) + #:ref (or branch commit tag)))) + +(define (copy-repository-cache repo spec) + "Copy REPO directory in cache. The directory is named after NAME + field in SPEC." (let ((cachedir (%package-cachedir))) (mkdir-p cachedir) (with-directory-excursion cachedir - (let ((name (assq-ref spec #:name)) - (url (assq-ref spec #:url)) - (branch (assq-ref spec #:branch)) - (commit (assq-ref spec #:commit)) - (tag (assq-ref spec #:tag))) - (and (or (file-exists? name) - (zero? (system* "git" "clone" url name))) - (with-directory-excursion name - (and (zero? (system* "git" "fetch")) - (zero? (system* "git" "reset" "--hard" - (or tag - commit - (string-append "origin/" branch)))) - (current-commit)))))))) + (let ((name (assq-ref spec #:name))) + ;; Flush any directory with the same name. + (false-if-exception (delete-file-recursively name)) + (copy-recursively repo name))))) (define (compile dir) ;; Required for fetching Guix bootstrap tarballs. @@ -171,24 +182,27 @@ if required. Return the last commit ID on success, #f otherwise." (define (process-specs db jobspecs) "Evaluate and build JOBSPECS and store results in DB." (define (process spec) - (let ((commit (fetch-repository spec)) - (stamp (db-get-stamp db spec))) - (when commit - (unless (string=? commit stamp) - (unless (assq-ref spec #:no-compile?) - (compile (string-append (%package-cachedir) "/" - (assq-ref spec #:name)))) - (with-store store - ;; Always set #:keep-going? so we don't stop on the first build - ;; failure. - (set-build-options store - #:use-substitutes? (%use-substitutes?) - #:keep-going? #t) - - (let* ((spec* (acons #:current-commit commit spec)) - (jobs (evaluate store db spec*))) - (build-packages store db jobs)))) - (db-add-stamp db spec commit)))) + (with-store store + (let ((stamp (db-get-stamp db spec))) + (receive (checkout commit) + (fetch-repository store spec) + (when commit + (unless (string=? commit stamp) + (copy-repository-cache checkout spec) + + (unless (assq-ref spec #:no-compile?) + (compile (string-append (%package-cachedir) "/" + (assq-ref spec #:name)))) + ;; Always set #:keep-going? so we don't stop on the first build + ;; failure. + (set-build-options store + #:use-substitutes? (%use-substitutes?) + #:keep-going? #t) + + (let* ((spec* (acons #:current-commit commit spec)) + (jobs (evaluate store db spec*))) + (build-packages store db jobs))) + (db-add-stamp db spec commit)))))) (for-each process jobspecs)) |