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[Refactor] Use "case" instead of multi "if"

Peter Dave Hello 2016-11-28 03:39:48 +08:00 committed by Jordan Harband
parent 47c60dfc1d
commit 84575cf353
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1 changed files with 14 additions and 9 deletions
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15
nvm.sh
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@ -1778,15 +1778,20 @@ nvm_get_make_jobs() {
local NVM_OS local NVM_OS
NVM_OS="$(nvm_get_os)" NVM_OS="$(nvm_get_os)"
local NVM_CPU_CORES local NVM_CPU_CORES
if [ "_$NVM_OS" = "_linux" ]; then case "_$NVM_OS" in
"_linux")
NVM_CPU_CORES="$(nvm_grep -c -E '^processor.+: [0-9]+' /proc/cpuinfo)" NVM_CPU_CORES="$(nvm_grep -c -E '^processor.+: [0-9]+' /proc/cpuinfo)"
elif [ "_$NVM_OS" = "_freebsd" ] || [ "_$NVM_OS" = "_darwin" ]; then ;;
"_freebsd" | "_darwin")
NVM_CPU_CORES="$(sysctl -n hw.ncpu)" NVM_CPU_CORES="$(sysctl -n hw.ncpu)"
elif [ "_$NVM_OS" = "_sunos" ]; then ;;
"_sunos")
NVM_CPU_CORES="$(psrinfo | wc -l)" NVM_CPU_CORES="$(psrinfo | wc -l)"
elif [ "_$NVM_OS" = "_aix" ]; then ;;
"_aix")
NVM_CPU_CORES="$(pmcycles -m | wc -l)" NVM_CPU_CORES="$(pmcycles -m | wc -l)"
fi ;;
esac
if ! nvm_is_natural_num "$NVM_CPU_CORES" ; then if ! nvm_is_natural_num "$NVM_CPU_CORES" ; then
nvm_err 'Can not determine how many core(s) are available, running in single-threaded mode.' nvm_err 'Can not determine how many core(s) are available, running in single-threaded mode.'
nvm_err 'Please report an issue on GitHub to help us make nvm run faster on your computer!' nvm_err 'Please report an issue on GitHub to help us make nvm run faster on your computer!'