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| author | Marius Bakke <mbakke@fastmail.com> | 2020-02-03 15:45:44 +0100 |
|---|---|---|
| committer | Marius Bakke <mbakke@fastmail.com> | 2020-02-03 15:45:44 +0100 |
| commit | 52665d2b6bd709ba46c1e364a6d6164f5f4824ff (patch) | |
| tree | 55fd79b3939c08f6f6e9fe383f0df5e4caa82b57 /guix/derivations.scm | |
| parent | 584d08c5c98cb1893e4f44bd1c4191f405b13f01 (diff) | |
| parent | 0a83339bb1429332ee889e9a976aa214ae2ac0db (diff) | |
| download | guix-52665d2b6bd709ba46c1e364a6d6164f5f4824ff.tar guix-52665d2b6bd709ba46c1e364a6d6164f5f4824ff.tar.gz | |
Merge branch 'staging' into core-updates
Diffstat (limited to 'guix/derivations.scm')
| -rw-r--r-- | guix/derivations.scm | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/guix/derivations.scm b/guix/derivations.scm index 16aa95d2c7..7db61d272f 100644 --- a/guix/derivations.scm +++ b/guix/derivations.scm @@ -240,6 +240,13 @@ the store." "Return a list of inputs, such that when INPUTS contains the same DRV twice, they are coalesced, with their sub-derivations merged. This is needed because Nix itself keeps only one of them." + (define (find pred lst) ;inlinable copy of 'find' + (let loop ((lst lst)) + (match lst + (() #f) + ((head . tail) + (if (pred head) head (loop tail)))))) + (fold (lambda (input result) (match input (($ <derivation-input> (= derivation-file-name path) sub-drvs) |