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Diffstat (limited to 'gnu/build/vm.scm')
| -rw-r--r-- | gnu/build/vm.scm | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm index 7d5e613956..d0bc8c3033 100644 --- a/gnu/build/vm.scm +++ b/gnu/build/vm.scm @@ -46,6 +46,7 @@ partition-flags partition-initializer + estimated-partition-size root-partition-initializer initialize-partition-table initialize-hard-disk)) @@ -150,6 +151,12 @@ the #:references-graphs parameter of 'derivation'." (flags partition-flags (default '())) (initializer partition-initializer (default (const #t)))) +(define (estimated-partition-size graphs) + "Return the estimated size of a partition that can store the store items +given by GRAPHS, a list of file names produced by #:references-graphs." + ;; Simply add a 20% overhead. + (round (* 1.2 (closure-size graphs)))) + (define (fold2 proc seed1 seed2 lst) ;TODO: factorize "Like `fold', but with a single list and two seeds." (let loop ((result1 seed1) |