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profiles: Manifest entries keep a reference to their parent entry.
* guix/profiles.scm (<manifest-entry>)[parent]: New field.
(package->manifest-entry): Add #:parent parameter. Fill out the
'parent' field of <manifest-entry>; pass #:parent in recursive calls.
* guix/profiles.scm (sexp->manifest)[sexp->manifest-entry]: New
procedure. Use it for version 3.
* tests/profiles.scm ("manifest-entry-parent"): New procedure.
("read-manifest")[entry->sexp]: Add 'manifest-entry-parent' to the
result.
This commit is contained in:
Ludovic Courtès
parent
55b4715fd4
commit
b3a00885c0
2 changed files with 83 additions and 49 deletions
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@ -68,6 +68,7 @@ (define-module (guix profiles)
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manifest-entry-item
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manifest-entry-dependencies
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manifest-entry-search-paths
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manifest-entry-parent
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manifest-pattern
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manifest-pattern?
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@ -157,7 +158,9 @@ (define-record-type* <manifest-entry> manifest-entry
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(dependencies manifest-entry-dependencies ; <manifest-entry>*
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(default '()))
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(search-paths manifest-entry-search-paths ; search-path-specification*
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(default '())))
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(default '()))
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(parent manifest-entry-parent ; promise (#f | <manifest-entry>)
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(default (delay #f))))
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(define-record-type* <manifest-pattern> manifest-pattern
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make-manifest-pattern
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@ -175,21 +178,28 @@ (define (profile-manifest profile)
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(call-with-input-file file read-manifest)
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(manifest '()))))
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(define* (package->manifest-entry package #:optional (output "out"))
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(define* (package->manifest-entry package #:optional (output "out")
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#:key (parent (delay #f)))
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"Return a manifest entry for the OUTPUT of package PACKAGE."
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(let ((deps (map (match-lambda
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;; For each dependency, keep a promise pointing to its "parent" entry.
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(letrec* ((deps (map (match-lambda
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((label package)
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(package->manifest-entry package))
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(package->manifest-entry package
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#:parent (delay entry)))
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((label package output)
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(package->manifest-entry package output)))
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(package-propagated-inputs package))))
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(manifest-entry
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(package->manifest-entry package output
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#:parent (delay entry))))
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(package-propagated-inputs package)))
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(entry (manifest-entry
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(name (package-name package))
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(version (package-version package))
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(output output)
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(item package)
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(dependencies (delete-duplicates deps))
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(search-paths (package-transitive-native-search-paths package)))))
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(search-paths
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(package-transitive-native-search-paths package))
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(parent parent))))
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entry))
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(define (packages->manifest packages)
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"Return a list of manifest entries, one for each item listed in PACKAGES.
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@ -254,7 +264,7 @@ (define (infer-search-paths name version)
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(package-native-search-paths package)
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'())))
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(define (infer-dependency item)
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(define (infer-dependency item parent)
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;; Return a <manifest-entry> for ITEM.
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(let-values (((name version)
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(package-name->name+version
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@ -262,7 +272,28 @@ (define (infer-dependency item)
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(manifest-entry
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(name name)
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(version version)
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(item item))))
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(item item)
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(parent parent))))
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(define* (sexp->manifest-entry sexp #:optional (parent (delay #f)))
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(match sexp
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((name version output path
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('propagated-inputs deps)
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('search-paths search-paths)
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extra-stuff ...)
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;; For each of DEPS, keep a promise pointing to ENTRY.
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(letrec* ((deps* (map (cut sexp->manifest-entry <> (delay entry))
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deps))
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(entry (manifest-entry
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(name name)
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(version version)
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(output output)
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(item path)
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(dependencies deps*)
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(search-paths (map sexp->search-path-specification
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search-paths))
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(parent parent))))
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entry))))
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(match sexp
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(('manifest ('version 0)
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@ -291,13 +322,17 @@ (define (infer-dependency item)
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directories)
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((directories ...)
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directories))))
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(manifest-entry
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(letrec* ((deps* (map (cute infer-dependency <> (delay entry))
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deps))
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(entry (manifest-entry
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(name name)
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(version version)
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(output output)
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(item path)
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(dependencies (map infer-dependency deps))
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(search-paths (infer-search-paths name version)))))
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(dependencies deps*)
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(search-paths
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(infer-search-paths name version)))))
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entry)))
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name version output path deps)))
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;; Version 2 adds search paths and is slightly more verbose.
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@ -309,35 +344,24 @@ (define (infer-dependency item)
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...)))
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(manifest
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(map (lambda (name version output path deps search-paths)
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(manifest-entry
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(letrec* ((deps* (map (cute infer-dependency <> (delay entry))
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deps))
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(entry (manifest-entry
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(name name)
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(version version)
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(output output)
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(item path)
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(dependencies (map infer-dependency deps))
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(search-paths (map sexp->search-path-specification
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search-paths))))
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(dependencies deps*)
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(search-paths
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(map sexp->search-path-specification
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search-paths)))))
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entry))
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name version output path deps search-paths)))
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;; Version 3 represents DEPS as full-blown manifest entries.
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(('manifest ('version 3 minor-version ...)
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('packages (entries ...)))
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(letrec ((sexp->manifest-entry
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(match-lambda
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((name version output path
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('propagated-inputs deps)
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('search-paths search-paths)
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extra-stuff ...)
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(manifest-entry
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(name name)
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(version version)
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(output output)
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(item path)
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(dependencies (map sexp->manifest-entry deps))
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(search-paths (map sexp->search-path-specification
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search-paths)))))))
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(manifest (map sexp->manifest-entry entries))))
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(manifest (map sexp->manifest-entry entries)))
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(_
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(raise (condition
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(&message (message "unsupported manifest format")))))))
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@ -301,6 +301,15 @@ (define (find-input name)
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(manifest-entry-dependencies
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(package->manifest-entry packages:guile-2.2))))
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(test-assert "manifest-entry-parent"
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(let ((entry (package->manifest-entry packages:guile-2.2)))
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(match (manifest-entry-dependencies entry)
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((dependencies ..1)
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(and (every (lambda (parent)
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(eq? entry (force parent)))
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(map manifest-entry-parent dependencies))
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(not (force (manifest-entry-parent entry))))))))
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(test-assertm "read-manifest"
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(mlet* %store-monad ((manifest -> (packages->manifest
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(list (package
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@ -316,7 +325,8 @@ (define (entry->sexp entry)
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(list (manifest-entry-name entry)
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(manifest-entry-version entry)
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(manifest-entry-search-paths entry)
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(manifest-entry-dependencies entry)))
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(manifest-entry-dependencies entry)
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(force (manifest-entry-parent entry))))
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(mbegin %store-monad
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(built-derivations (list drv))
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