diff options
Diffstat (limited to 'nix/scripts/list-runtime-roots.in')
| -rw-r--r-- | nix/scripts/list-runtime-roots.in | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/nix/scripts/list-runtime-roots.in b/nix/scripts/list-runtime-roots.in index 6f0e7f5b6a..001d25c577 100644 --- a/nix/scripts/list-runtime-roots.in +++ b/nix/scripts/list-runtime-roots.in @@ -26,6 +26,7 @@ (use-modules (ice-9 ftw) (ice-9 regex) (ice-9 rdelim) + (ice-9 match) (srfi srfi-1) (srfi srfi-26) (rnrs io ports)) @@ -126,5 +127,18 @@ or the empty list." (lambda (a b) (< (string->number a) (string->number b)))))) +(define canonicalize-store-item + (let ((prefix (+ 1 (string-length %store-directory)))) + (lambda (file) + "Return #f if FILE is not a store item; otherwise, return the store file +name without any sub-directory components." + (and (string-prefix? %store-directory file) + (string-append %store-directory "/" + (let ((base (string-drop file prefix))) + (match (string-index base #\/) + (#f base) + (slash (string-take base slash))))))))) + (for-each (cut simple-format #t "~a~%" <>) - (delete-duplicates (referenced-files))) + (delete-duplicates + (filter-map canonicalize-store-item (referenced-files)))) |