diff options
Diffstat (limited to 'guix/import')
| -rw-r--r-- | guix/import/crate.scm | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/guix/import/crate.scm b/guix/import/crate.scm index b133529ba7..3bc261b04e 100644 --- a/guix/import/crate.scm +++ b/guix/import/crate.scm @@ -32,6 +32,7 @@ #:use-module (guix packages) #:use-module (guix upstream) #:use-module (guix utils) + #:use-module (gnu packages) #:use-module (ice-9 match) #:use-module (ice-9 regex) #:use-module (json) @@ -92,7 +93,7 @@ (requirement crate-dependency-requirement "req")) ;string (module-autoload! (current-module) - '(semver) '(string->semver semver<?)) + '(semver) '(string->semver semver->string semver<?)) (module-autoload! (current-module) '(semver ranges) '(string->semver-range semver-range-contains?)) @@ -235,6 +236,21 @@ look up the development dependencs for the given crate." (or version (crate-latest-version crate)))) + ;; find the highest existing package that fulfills the semver <range> + (define (find-package-version name range) + (let* ((semver-range (string->semver-range range)) + (versions + (sort + (filter (lambda (version) + (semver-range-contains? semver-range version)) + (map (lambda (pkg) + (string->semver (package-version pkg))) + (find-packages-by-name + (crate-name->package-name name)))) + semver<?))) + (and (not (null-list? versions)) + (semver->string (last versions))))) + ;; find the highest version of a crate that fulfills the semver <range> (define (find-crate-version crate range) (let* ((semver-range (string->semver-range range)) @@ -251,6 +267,17 @@ look up the development dependencs for the given crate." (and (not (null-list? versions)) (second (last versions))))) + (define (dependency-name+version dep) + (let* ((name (crate-dependency-id dep)) + (req (crate-dependency-requirement dep)) + (existing-version (find-package-version name req))) + (if existing-version + (list name existing-version) + (let* ((crate (lookup-crate* name)) + (ver (find-crate-version crate req))) + (list name + (crate-version-number ver)))))) + (define version* (and crate (find-crate-version crate version-number))) @@ -258,13 +285,7 @@ look up the development dependencs for the given crate." ;; sort and map the dependencies to a list containing ;; pairs of (name version) (define (sort-map-dependencies deps) - (sort (map (lambda (dep) - (let* ((name (crate-dependency-id dep)) - (crate (lookup-crate* name)) - (req (crate-dependency-requirement dep)) - (ver (find-crate-version crate req))) - (list name - (crate-version-number ver)))) + (sort (map dependency-name+version deps) (match-lambda* (((name _) ...) (apply string-ci<? name))))) |