diff options
| -rw-r--r-- | guix/import/texlive.scm | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/guix/import/texlive.scm b/guix/import/texlive.scm index 77b3c6380c..c741555928 100644 --- a/guix/import/texlive.scm +++ b/guix/import/texlive.scm @@ -18,6 +18,7 @@ ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. (define-module (guix import texlive) + #:use-module (ice-9 ftw) #:use-module (ice-9 match) #:use-module (ice-9 rdelim) #:use-module (srfi srfi-1) @@ -38,7 +39,8 @@ #:use-module (guix upstream) #:use-module (guix packages) #:use-module (guix build-system texlive) - #:export (texlive->guix-package + #:export (files-differ? + texlive->guix-package texlive-recursive-import)) ;;; Commentary: @@ -196,6 +198,44 @@ (loop all (record key value current field-type) key)))) (loop all current #false)))))))))))) +(define* (files-differ? directory package-name + #:key + (package-database tlpdb) + (type #false) + (direction 'missing)) + "Return a list of files in DIRECTORY that differ from the expected installed +files for PACKAGE-NAME according to the PACKAGE-DATABASE. By default all +files considered, but this can be restricted by setting TYPE to 'runfiles, +'docfiles, or 'srcfiles. The names of files that are missing from DIRECTORY +are returned; by setting DIRECTION to anything other than 'missing, the names +of those files are returned that are unexpectedly installed." + (define (strip-directory-prefix file-name) + (string-drop file-name (1+ (string-length directory)))) + (let* ((data (or (assoc-ref (package-database) package-name) + (error (format #false + "~a is not a valid package name in the TeX Live package database." + package-name)))) + (files (if type + (or (assoc-ref data type) (list)) + (append (or (assoc-ref data 'runfiles) (list)) + (or (assoc-ref data 'docfiles) (list)) + (or (assoc-ref data 'srcfiles) (list))))) + (existing (file-system-fold + (const #true) ;enter? + (lambda (path stat result) (cons path result)) ;leaf + (lambda (path stat result) result) ;down + (lambda (path stat result) result) ;up + (lambda (path stat result) result) ;skip + (lambda (path stat errno result) result) ;error + (list) + directory))) + (if (eq? direction 'missing) + (lset-difference string=? + files (map strip-directory-prefix existing)) + ;; List files that are installed but should not be. + (lset-difference string=? + (map strip-directory-prefix existing) files)))) + (define (files->directories files) (define name->parts (cut string-split <> #\/)) (map (cut string-join <> "/" 'suffix) |