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# -*- mode: sh; -*-
# vim: set ts=8 sw=4 tw=0 fenc=utf-8 ft=sh:
#
# ~/.profile
# Executed by the login shell
#
# Aaron LI
#
# Set file creation mask: be more private!
umask 027
### Functions ----------------------------------------------------------
## PATH manipulations
## Credit: http://unix.stackexchange.com/a/178822
# Remove the specified part from PATH
_path_remove() {
PATH=$(echo ":${PATH}:" | sed -e "s|:$1:|:|g" -e "s|^:\(.*\):$|\1|")
}
# Prepend the supplied part to PATH
_path_prepend() {
_path_remove "$1"
PATH="$1:${PATH}"
}
# Append the supplied part to PATH
_path_append() {
_path_remove "$1"
PATH="${PATH}:$1"
}
## Check the existence/accessibility of a command
# Credit: https://stackoverflow.com/a/677212/4856091
_exists() {
command -v "$1" >/dev/null 2>&1
}
## Check whether the program is running
_running() {
pgrep -x -u "${USER}" $1 &> /dev/null
}
### Environment Settings -----------------------------------------------
## PATH
# Locally installed NPM packages (see also `~/.npmrc`)
if [ -d "${HOME}/.npm-packages/bin" ]; then
_path_prepend "${HOME}/.npm-packages/bin"
fi
# Locally installed programs (e.g., Python)
if [ -d "${HOME}/.local/bin" ]; then
_path_prepend "${HOME}/.local/bin"
fi
# ~/bin
if [ -d "${HOME}/bin" ]; then
_path_prepend "${HOME}/bin"
fi
# System administration programs
if groups | grep -qE '\b(wheel|adm|sudo)\b'; then
_path_append "/usr/local/sbin"
_path_append "/usr/sbin"
_path_append "/sbin"
fi
## Language and locale
export LANG="en_US.UTF-8"
export LC_COLLATE="C"
## Chinese input method
export INPUT_METHOD="fcitx"
export XMODIFIERS="@im=${INPUT_METHOD}"
export GTK_IM_MODULE="${INPUT_METHOD}"
export QT_IM_MODULE="${INPUT_METHOD}"
## Xapian
# Enable the CJK N-gram tokenization algorithm for CJK indexing and search
export XAPIAN_CJK_NGRAM=1
export EDITOR="vim"
export VISUAL="${EDITOR}"
export PAGER="less"
export LESS="--ignore-case --raw-control-chars"
## LS colors
if _exists dircolors; then
eval $(dircolors -b)
fi
## gpg-agent: start it if not running
if ! _running gpg-agent; then
gpg-connect-agent /bye &> /dev/null
fi
## Set SSH to use 'gpg-agent'
unset SSH_AGENT_PID
if [ "${gnupg_SSH_AUTH_SOCK_by:-0}" -ne $$ ]; then
export SSH_AUTH_SOCK="/run/user/${UID}/gnupg/S.gpg-agent.ssh"
fi
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