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authorJulien Lepiller <julien@lepiller.eu>2021-06-01 00:44:16 +0200
committerJulien Lepiller <julien@lepiller.eu>2021-06-22 13:10:24 +0200
commit6ec2109ab6ea8c8503288a5729a795939e6db41e (patch)
treeff486354c1842727c91ca3e857cadf7419ed9f1d /guix/build/maven
parent573b43c11675a2a125ab8c7d930f32e11f9d3acb (diff)
guix: maven: Simplify finding local packages and modules.
* guix/build/maven-build-system (fix-pom): Fix a single pom file without recursing (fix-pom-files): Find local packages and all submodules, and fix them all at once. (add-local-package): Move to... * guix/build/maven/pom.scm (add-local-package): ...here. (pom-and-submodules, pom-local-packages): New procedures.
Diffstat (limited to 'guix/build/maven')
-rw-r--r--guix/build/maven/pom.scm53
1 files changed, 52 insertions, 1 deletions
diff --git a/guix/build/maven/pom.scm b/guix/build/maven/pom.scm
index 327d5f75e8..8f16cf4d26 100644
--- a/guix/build/maven/pom.scm
+++ b/guix/build/maven/pom.scm
@@ -21,7 +21,8 @@
#:use-module (system foreign)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
- #:export (get-pom
+ #:export (add-local-package
+ get-pom
pom-ref
pom-description
pom-name
@@ -30,8 +31,24 @@
pom-groupid
pom-dependencies
group->dir
+ pom-and-submodules
+ pom-local-packages
fix-pom-dependencies))
+(define (add-local-package local-packages group artifact version)
+ "Takes @var{local-packages}, a list of local packages, and adds a new one
+for @var{group}:@var{artifact} at @var{version}."
+ (define (alist-set lst key val)
+ (match lst
+ ('() (list (cons key val)))
+ (((k . v) lst ...)
+ (if (equal? k key)
+ (cons (cons key val) lst)
+ (cons (cons k v) (alist-set lst key val))))))
+ (alist-set local-packages group
+ (alist-set (or (assoc-ref local-packages group) '()) artifact
+ version)))
+
(define (get-pom file)
"Return the content of a @file{.pom} file."
(let ((pom-content (call-with-input-file file xml->sxml)))
@@ -234,6 +251,40 @@ to re-declare the namespaces in the top-level element."
http://maven.apache.org/xsd/maven-4.0.0.xsd"))
,(map fix-xml sxml)))))
+(define (pom-and-submodules pom-file)
+ "Given @var{pom-file}, the file name of a pom, return the list of pom file
+names that correspond to itself and its submodules, recursively."
+ (define (get-modules modules)
+ (match modules
+ (#f '())
+ ('() '())
+ (((? string? _) rest ...) (get-modules rest))
+ ((('http://maven.apache.org/POM/4.0.0:module mod) rest ...)
+ (let ((pom (string-append (dirname pom-file) "/" mod "/pom.xml")))
+ (if (file-exists? pom)
+ (cons pom (get-modules rest))
+ (get-modules rest))))))
+
+ (let* ((pom (get-pom pom-file))
+ (modules (get-modules (pom-ref pom "modules"))))
+ (cons pom-file
+ (apply append (map pom-and-submodules modules)))))
+
+(define* (pom-local-packages pom-file #:key (local-packages '()))
+ "Given @var{pom-file}, a pom file name, return a list of local packages that
+this repository contains."
+ (let loop ((modules (pom-and-submodules pom-file))
+ (local-packages local-packages))
+ (match modules
+ (() local-packages)
+ ((module modules ...)
+ (let* ((pom (get-pom module))
+ (version (pom-version pom))
+ (artifactid (pom-artifactid pom))
+ (groupid (pom-groupid pom)))
+ (loop modules
+ (add-local-package local-packages groupid artifactid version)))))))
+
(define (group->dir group)
"Convert a group ID to a directory path."
(string-join (string-split group #\.) "/"))