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#!/usr/bin/env bash
## Variables set by this file:
#
# * IS_DARWIN, IS_WINDOWS, IS_LINUX, IS_BSD, IS_WSL, IS_UNIX_LIKE
# • Set to either "true" or "false" depending on the host operating system.
# More than one value may be true (i.e. $IS_WSL and $IS_UNIX_LIKE). Because
# "true" and "false" are Bash built-ins, these can be used in conditionals
# directly, as in "if $IS_WINDOWS || $IS_DARWIN; then …"
# * OS_FAMILY
# • One of "windows", "linux", "darwin", or "bsd", depending on the host
# operating system.
. "$(dirname "${BASH_SOURCE[0]}")/use.sh" base
_is_darwin=false
_is_windows=false
_is_linux=false
_is_unix_like=false
_is_wsl=false
_is_bsd=false
_os_family=unknown
case "$OSTYPE" in
linux-*)
if have-command cmd.exe; then
_is_wsl=true
_is_unix_like=true
_os_family=windows
else
_is_linux=true
_is_unix_like=true
_os_family=linux
fi
;;
darwin*)
_is_darwin=true
_is_unix_like=true
_os_family=darwin
;;
FreeBSD|openbsd*|netbsd)
_is_bsd=true
_is_unix_like=true
_os_family=bsd
;;
msys*|cygwin*)
_is_windows=true
_os_family=windows
;;
esac
declare -r IS_DARWIN=$_is_darwin
declare -r IS_WINDOWS=$_is_windows
declare -r IS_LINUX=$_is_linux
declare -r IS_UNIX_LIKE=$_is_unix_like
declare -r IS_WSL=$_is_wsl
declare -r IS_BSD=$_is_bsd
declare -r OS_FAMILY=$_os_family
_is_redhat_based=false
_is_debian_based=false
if $IS_LINUX; then
if is-file /etc/redhat-release; then
_is_redhat_based=true
_dist_version=$(sed 's|.*release \([^ ]\+\).*|\1|' < /etc/redhat-release)
elif is-file /etc/debian_version; then
_is_debian_based=true
_dist_version=$(grep VERSION_ID /etc/os-release | sed 's|VERSION_ID="\(.*\)"|\1|')
elif is-file /etc/alpine-release; then
_is_alpine=true
_dist_version=$(cat /etc/alpine-release)
fi
_dist_version=${_dist_version:-0}
_major_version=${_dist_version/.*/}
declare -r DIST_VERSION=$_dist_version
declare -r DIST_MAJOR_VERSION=$_major_version
if is-file /etc/redhat-release; then
_dist_id=$(cut -d ' ' -f1 < /etc/redhat-release)
declare -r DIST_ID=${_dist_id}
elif is-file /etc/os-release; then
_dist_id=$(grep '^ID=' /etc/os-release | sed 's|ID=||')
declare -r DIST_ID=${_dist_id}
fi
elif $IS_DARWIN; then
_version=$(sw_vers | grep ProductVersion | sed 's|ProductVersion: \(.*\)|\1|')
_major_version=${_version/.*/}
declare -r MACOS_VERSION=${_version}
declare -r MACOS_MAJOR_VERSION=${_major_version}
fi
declare -r IS_REDHAT_BASED=${_is_redhat_based}
declare -r IS_DEBIAN_BASED=${_is_debian_based}
_is_x86=false
_is_x64=false
_is_arm=false
_is_ppc=false
_is_zseries=false
_archname=""
case "$HOSTTYPE" in
x86_64)
_is_x86=true
_is_x64=true
_archname=x64
;;
x86*)
_is_x86=true
_archname="x86"
;;
aarch64|arm64)
_is_arm=true
_archname="arm64"
;;
powerpc*)
_is_ppc=true
_archname="ppc"
;;
s390x)
_is_zseries=true
_archname="s390x"
;;
*)
log "Unknown host architecture in HOSTTYPE '$HOSTTYPE'";;
esac
declare -r IS_X86=$_is_x86
declare -r IS_X64=$_is_x64
declare -r IS_ARM=$_is_arm
declare -r IS_POWERPC=$_is_ppc
declare -r IS_ZSERIES=$_is_zseries
declare -r ARCHNAME=$_archname
if is-set DIST_ID; then
_os_shortname="${DIST_ID}${DIST_MAJOR_VERSION}"
elif $IS_WINDOWS; then
_os_shortname=win
elif $IS_DARWIN; then
_os_shortname=macos$MACOS_VERSION
else
_os_shortname=unknown
fi
declare OS_SHORTNAME=$_os_shortname
if is-main; then
log "Operating system detection:"
log " • OS_SHORTNAME: $OS_SHORTNAME"
log " • OS_FAMILY: $OS_FAMILY"
log " • IS_WINDOWS: $IS_WINDOWS"
log " • IS_DARWIN: $IS_DARWIN"
log " • IS_LINUX: $IS_LINUX"
log " • IS_BSD: $IS_BSD"
log " • IS_WSL: $IS_WSL"
log " • IS_UNIX_LIKE: $IS_UNIX_LIKE"
log " • IS_REDHAT_BASED: $IS_REDHAT_BASED"
log " • IS_DEBIAN_BASED: $IS_DEBIAN_BASED"
log " • DIST_ID: ${DIST_ID:-⟨unset⟩}"
log " • DIST_VERSION: ${DIST_VERSION:-⟨unset⟩}"
log " • DIST_MAJOR_VERSION: ${DIST_MAJOR_VERSION:-⟨unset⟩}"
log " • MACOS_VERSION: ${MACOS_VERSION:-⟨unset⟩}"
log " • MACOS_MAJOR_VERSION: ${MACOS_MAJOR_VERSION:-⟨unset⟩}"
log " • IS_X86: $IS_X86"
log " • IS_X64: $IS_X64"
log " • IS_ARM: $IS_ARM"
log " • IS_POWERPC: $IS_POWERPC"
log " • IS_ZSERIES: $IS_ZSERIES"
log " • ARCHNAME: $ARCHNAME"
fi
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