dotfiles/env.sh

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#!/bin/sh
set -e
[ "$ENVSHED" = "yes" ] && return
ENVSHED=yes
PM=n/a
XDG_CONFIG_HOME=${XDG_CONFIG_HOME-"$HOME/.config"}
PREFIX=/usr/local
PDIR=$(dirname "${DIR-$0}")
GITHUB_PROXY=${GITHUB_PROXY-$HTTPS_PROXY}
in_china() {
! [ -f /tmp/myip_full ] && curl -s myip.ipip.net > /tmp/myip_full
grep -qF '中国' /tmp/myip_full
}
lnsf() {
[ "$#" -ne 2 ] && echo "lnsf <target> <symlink>" && return 1
TARGET=$(readlink -f "$1") || (echo failed: readlink -f "$1" ; return 1)
SYMLNK=$2
[ -z "$TARGET" ] && echo "$1 not exists" && return 1
SYMDIR=$(dirname "$SYMLNK")
if [ -n "$SYMDIR" ] && [ -L "$SYMDIR" ]; then
rm -rf "$SYMDIR"
fi
mkdir -p "$SYMDIR"
[ ! -L "$SYMLNK" ] && rm -rf "$SYMLNK"
ln -sf "$TARGET" "$SYMLNK"
}
has_bluetooth() {
dmesg | grep -i bluetooth
}
eqv() {
VERSION_PATH=$1
VERSION=$2
[ ! -f "$VERSION_PATH" ] && return 1
VERSION2="$(cat "$VERSION_PATH")"
[ "$VERSION" = "$VERSION2" ]
}
git_clone() {
mkdir -p "$(dirname "$2")"
[ -d "$2" ] && return
if echo "$1" | grep -qF 'github.com'; then
HTTPS_PROXY=$GITHUB_PROXY git clone --depth 1 "$1" "$2"
else
git clone --depth 1 "$1" "$2"
fi
}
intorepo() {
ODIR=$(pwd)
REPO=$2
git_clone "$1" "$REPO"
cd "$REPO"
}
exitrepo() {
cd "$ODIR"
}
log() {
printf "\n\033[32m%s\033[0m\n" "$@"
}
has_cmd() {
command -v "$1" >/dev/null 2>&1
}
has_fish() {
has_cmd "$1"
}
enhance_vim() {
[ "$VIM_MODE" = "enhanced" ] && has_cmd nvim
}
pm_update() {
# skip updation on daily basis
TSFILE=/tmp/apt_updated_at_$(date +%Y%m%d)
CHECKSUM=$(md5sum /etc/apt/sources.list /etc/apt/sources.list.d/*.list | sort | md5sum)
grep -qF "$CHECKSUM" "$TSFILE" && return
case "$PM" in
apt)
sudo apt update
;;
*)
echo "unsupported os"
exit 1
;;
esac
echo "$CHECKSUM" > "$TSFILE"
}
sudo mkdir -p $PREFIX
if has_cmd pacman; then
PM=pacman
elif has_cmd apt; then
PM=apt
fi
if [ "$PM" = "n/a" ]; then
echo "Unsupported Package Manager"
exit 1
fi
if [ -f /etc/lsb-release ]; then
set -a
. /etc/lsb-release
set +a
export DISTRIB_RELEASE_MAJOR=${DISTRIB_RELEASE%.*}
export DISTRIB_RELEASE_MINOR=${DISTRIB_RELEASE#.*}
fi
log "Environments"
echo " PM : $PM"
echo " DIR : $DIR"
echo " PDIR : $PDIR"
echo " PREFIX : $PREFIX"
echo " GITHUB_PROXY : $GITHUB_PROXY"