mirror of
https://github.com/LadybirdBrowser/ladybird.git
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51 lines
1.6 KiB
Bash
51 lines
1.6 KiB
Bash
# shellcheck shell=bash
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# shellcheck disable=SC2034
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# SC2034: "Variable appears unused. Verify it or export it."
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# Those are intentional here, as the file is meant to be included elsewhere.
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# NOTE: If using another privilege escalation binary make sure it is configured or has the appropriate flag
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# to keep the current environment variables in the launched process (in sudo's case this is achieved
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# through the -E flag described in sudo(8).
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die() {
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echo "die: $*"
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exit 1
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}
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exit_if_running_as_root() {
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if [ "$(id -u)" -eq 0 ]; then
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die "$*"
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fi
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}
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# Usage: check_program_version_at_least <Display Name> <Program Name> <Version String>
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check_program_version_at_least()
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{
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echo -n "Checking for $1 version at least $3... "
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if ! command -v "$2" > /dev/null 2>&1; then
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echo "ERROR: Cannot find $2 ($1)"
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return 1
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fi
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v=$("$2" --version 2>&1 | grep -E -o '[0-9]+\.[0-9\.]+[a-z]*' | head -n1)
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if printf '%s\n' "$3" "$v" | sort --version-sort --check &>/dev/null; then
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echo "ok, found $v"
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return 0;
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else
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echo "ERROR: found version $v, too old!"
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return 1;
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fi
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}
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get_number_of_processing_units() {
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number_of_processing_units="nproc"
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SYSTEM_NAME="$(uname -s)"
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if [ "$SYSTEM_NAME" = "OpenBSD" ]; then
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number_of_processing_units="sysctl -n hw.ncpuonline"
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elif [ "$SYSTEM_NAME" = "FreeBSD" ]; then
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number_of_processing_units="sysctl -n hw.ncpu"
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elif [ "$SYSTEM_NAME" = "Darwin" ]; then
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number_of_processing_units="sysctl -n hw.ncpu"
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fi
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($number_of_processing_units)
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}
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