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minimal-bootstrap.bash{,_2_05}: Normalize the NIX_BUILD_CORES variable

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This commit is contained in:
Emily Trau 2023-10-23 01:07:25 +00:00
parent e42f00c96c
commit 14f2ba715d
2 changed files with 22 additions and 0 deletions
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11
pkgs/os-specific/linux/minimal-bootstrap/bash/2.nix
View File

@ -84,6 +84,17 @@ kaem.runCommand "${pname}-${version}" {
"-e"
(builtins.toFile "bash-builder.sh" ''
export CONFIG_SHELL=$SHELL
# Normalize the NIX_BUILD_CORES variable. The value might be 0, which
# means that we're supposed to try and auto-detect the number of
# available CPU cores at run-time. We don't have nproc to detect the
# number of available CPU cores so default to 1 if not set.
NIX_BUILD_CORES="''${NIX_BUILD_CORES:-1}"
if [ $NIX_BUILD_CORES -le 0 ]; then
NIX_BUILD_CORES=1
fi
export NIX_BUILD_CORES
bash -eux $buildCommandPath
'')
];

11
pkgs/os-specific/linux/minimal-bootstrap/bash/default.nix
View File

@ -54,6 +54,17 @@ bootBash.runCommand "${pname}-${version}" {
"-e"
(builtins.toFile "bash-builder.sh" ''
export CONFIG_SHELL=$SHELL
# Normalize the NIX_BUILD_CORES variable. The value might be 0, which
# means that we're supposed to try and auto-detect the number of
# available CPU cores at run-time.
NIX_BUILD_CORES="''${NIX_BUILD_CORES:-1}"
if ((NIX_BUILD_CORES <= 0)); then
guess=$(nproc 2>/dev/null || true)
((NIX_BUILD_CORES = guess <= 0 ? 1 : guess))
fi
export NIX_BUILD_CORES
bash -eux $buildCommandPath
'')
];