diff options
| -rw-r--r-- | gnu/build/image.scm | 26 | ||||
| -rw-r--r-- | gnu/system/images/hurd.scm | 8 | ||||
| -rw-r--r-- | guix/store/database.scm | 29 |
3 files changed, 42 insertions, 21 deletions
diff --git a/gnu/build/image.scm b/gnu/build/image.scm index e7b0418182..d8efa73f16 100644 --- a/gnu/build/image.scm +++ b/gnu/build/image.scm @@ -131,20 +131,23 @@ given CONFIG file." (define* (register-closure prefix closure #:key (deduplicate? #t) (reset-timestamps? #t) - (schema (sql-schema))) + (schema (sql-schema)) + (wal-mode? #t)) "Register CLOSURE in PREFIX, where PREFIX is the directory name of the target store and CLOSURE is the name of a file containing a reference graph as produced by #:references-graphs.. As a side effect, if RESET-TIMESTAMPS? is true, reset timestamps on store files and, if DEDUPLICATE? is true, -deduplicates files common to CLOSURE and the rest of PREFIX." +deduplicates files common to CLOSURE and the rest of PREFIX. Pass WAL-MODE? +to call-with-database." (let ((items (call-with-input-file closure read-reference-graph))) (parameterize ((sql-schema schema)) (with-database (store-database-file #:prefix prefix) db - (register-items db items - #:prefix prefix - #:deduplicate? deduplicate? - #:reset-timestamps? reset-timestamps? - #:registration-time %epoch))))) + #:wal-mode? wal-mode? + (register-items db items + #:prefix prefix + #:deduplicate? deduplicate? + #:reset-timestamps? reset-timestamps? + #:registration-time %epoch))))) (define* (initialize-efi-partition root #:key @@ -164,14 +167,16 @@ deduplicates files common to CLOSURE and the rest of PREFIX." (register-closures? #t) system-directory make-device-nodes + (wal-mode? #t) #:allow-other-keys) "Initialize the given ROOT directory. Use BOOTCFG and BOOTCFG-LOCATION to install the bootloader configuration. If REGISTER-CLOSURES? is true, register REFERENCES-GRAPHS in the store. If DEDUPLICATE? is true, then also deduplicate files common to CLOSURES and the -rest of the store when registering the closures. SYSTEM-DIRECTORY is the name -of the directory of the 'system' derivation." +rest of the store when registering the closures. SYSTEM-DIRECTORY is the name +of the directory of the 'system' derivation. Pass WAL-MODE? to +register-closure." (populate-root-file-system system-directory root) (populate-store references-graphs root) @@ -184,7 +189,8 @@ of the directory of the 'system' derivation." (register-closure root closure #:reset-timestamps? #t - #:deduplicate? deduplicate?)) + #:deduplicate? deduplicate? + #:wal-mode? wal-mode?)) references-graphs)) (when bootloader-installer diff --git a/gnu/system/images/hurd.scm b/gnu/system/images/hurd.scm index 31942e7386..d87640e8e3 100644 --- a/gnu/system/images/hurd.scm +++ b/gnu/system/images/hurd.scm @@ -61,8 +61,12 @@ #~(lambda* (#:rest args) (apply initialize-root-partition (append args - (list #:make-device-nodes - make-hurd-device-nodes))))) + (list #:make-device-nodes make-hurd-device-nodes + ;; XXX Creating a db.sqlite with journal_mode=WAL + ;; yields "unable to open database file" on GNU/Hurd + ;; for an sqlite with the hurd-locking-mode.patch; + ;; see <https://bugs.gnu.org/42151>. + #:wal-mode? #f))))) (define hurd-disk-image (image diff --git a/guix/store/database.scm b/guix/store/database.scm index a38e4d7e52..50b66ce282 100644 --- a/guix/store/database.scm +++ b/guix/store/database.scm @@ -1,6 +1,7 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2017, 2019 Caleb Ristvedt <caleb.ristvedt@cune.org> ;;; Copyright © 2018, 2020 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -20,6 +21,7 @@ (define-module (guix store database) #:use-module (sqlite3) #:use-module (guix config) + #:use-module (guix gexp) #:use-module (guix serialization) #:use-module (guix store deduplication) #:use-module (guix base16) @@ -27,6 +29,7 @@ #:use-module (guix build syscalls) #:use-module ((guix build utils) #:select (mkdir-p executable-file?)) + #:use-module (guix utils) #:use-module (guix build store-copy) #:use-module (srfi srfi-1) #:use-module (srfi srfi-11) @@ -97,17 +100,20 @@ as specified by SQL-SCHEMA." (sqlite-exec db (call-with-input-file schema get-string-all))) -(define (call-with-database file proc) +(define* (call-with-database file proc #:key (wal-mode? #t)) "Pass PROC a database record corresponding to FILE. If FILE doesn't exist, -create it and initialize it as a new database." +create it and initialize it as a new database. Unless WAL-MODE? is set to #f, +set journal_mode=WAL." (let ((new? (and (not (file-exists? file)) (begin (mkdir-p (dirname file)) #t))) (db (sqlite-open file))) - ;; Turn DB in "write-ahead log" mode, which should avoid SQLITE_LOCKED - ;; errors when we have several readers: <https://www.sqlite.org/wal.html>. - (sqlite-exec db "PRAGMA journal_mode=WAL;") + ;; Using WAL breaks for the Hurd <https://bugs.gnu.org/42151>. + (when wal-mode? + ;; Turn DB in "write-ahead log" mode, which should avoid SQLITE_LOCKED + ;; errors when we have several readers: <https://www.sqlite.org/wal.html>. + (sqlite-exec db "PRAGMA journal_mode=WAL;")) ;; Install a busy handler such that, when the database is locked, sqlite ;; retries until 30 seconds have passed, at which point it gives up and @@ -200,10 +206,15 @@ prior to returning." ;; Default location of the store database. (string-append %store-database-directory "/db.sqlite")) -(define-syntax-rule (with-database file db exp ...) - "Open DB from FILE and close it when the dynamic extent of EXP... is left. -If FILE doesn't exist, create it and initialize it as a new database." - (call-with-database file (lambda (db) exp ...))) +(define-syntax with-database + (syntax-rules () + "Open DB from FILE and close it when the dynamic extent of EXP... is left. +If FILE doesn't exist, create it and initialize it as a new database. Pass +#:wal-mode? to call-with-database." + ((_ file db #:wal-mode? wal-mode? exp ...) + (call-with-database file (lambda (db) exp ...) #:wal-mode? wal-mode?)) + ((_ file db exp ...) + (call-with-database file (lambda (db) exp ...))))) (define (sqlite-finalize stmt) ;; As of guile-sqlite3 0.1.0, cached statements aren't reset when |