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-rw-r--r--lib/sbatch.nix28
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/sbatch.nix b/lib/sbatch.nix
new file mode 100644
index 0000000..efb7654
--- /dev/null
+++ b/lib/sbatch.nix
@@ -0,0 +1,28 @@
+{stdenv, lib, writeScript, coreutils}:
+
+with lib;
+
+{ ppn, mem, walltime, partition ? null, slurmFlags ? null}:
+drv:
+ let ppnReified = if drv.multicore then ppn else 1;
+ in lib.overrideDerivation drv ({ args, builder, name, ... }: {
+ builder = stdenv.shell;
+ args = let
+ script = writeScript "sbatch-script" ''
+ #!${stdenv.shell}
+ ${builder} ${lib.escapeShellArgs args}
+ '';
+
+ sbatch = writeScript "sbatch" ''
+ #!${stdenv.shell}
+ NIX_BUILD_CORES=${toString ppnReified}
+
+ salloc -c $NIX_BUILD_CORES --mem=${toString mem}G -t ${walltime} \
+ -J "${name}" \
+ ${optionalString (partition != null) "-p ${partition}"} \
+ ${optionalString (slurmFlags != null) slurmFlags} \
+ ${script}
+ '';
+
+ in [ "-c" sbatch ];
+ })