336 lines
12 KiB
Bash
336 lines
12 KiB
Bash
#! /bin/bash --
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# ex: set ts=4 sw=4 ft=sh
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# TODO: Make more general purpose, currently quite bashy
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################################ utils (posix) #################################
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_squote_escape () {
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if [ "${#}" -gt "0" ] ; then
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for arg ; do
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printf "'"
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printf '%s' "${arg}" | sed "s/'/'"'"'"'"'"'"'/g"
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printf "'\n"
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done
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else
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sed "s/'/'"'"'"'"'"'"'/g; s/^/'/; s/$/'/"
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fi
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}
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############################# define_func (posix) ##############################
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define_func () {
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[ "${#}" -ne "2" ] && { log.err "Usage: define-func _func_name FUNC_BODY_AS_STR" ; return 1 ; }
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_func_name="${1}"
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_func_body="${2}"
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eval "${_func_name}=$(_squote_escape "${_func_body}")" || return 2
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eval "${_func_name} () { ${_func_body}
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}" || return 3
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_export_bash_func "${_func_name}"
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}
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########################## _export_bash_func (posix) ###########################
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_export_bash_func () {
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_func_name="${1-}"
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[ "${#}" -ne "1" ] && { log.err "Usage: _export_bash_func _func_name" ; return 1 ; }
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case "${_func_name}" in (*[!abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]*|""|[0123456789]*) false;; esac ||
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{ log.err "_export_bash_func: not a valid name: ${_func_name}"; return 2; }
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[ -n "$(eval "printf %s "'"'"\${${_func_name}-}"'"')" ] || { log.err "_export_bash_func: not a function: ${_func_name}" ; return 3 ; }
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_newline="$(printf '\n.')" && _newline="${_newline%.}"
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BASH_FUNCTIONS="${BASH_FUNCTIONS:+${BASH_FUNCTIONS}${_newline}}${_func_name}"
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# exec env "BASH_FUNC_${_func_name}%%=() { ${_func_body}${_newline}}" "${0}"
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}
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##################### _prepare_bash_funcs_for_eval (posix) #####################
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_prepare_bash_funcs_for_eval () {
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_env_args=
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_newline="$(printf '\n.')" && _newline="${_newline%.}"
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while IFS= read -r _func_name ; do
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_func_body="$(eval "printf %s "'"'"\${${_func_name}-}"'"')"
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_env_arg_raw="BASH_FUNC_${_func_name}%%=() { ${_func_body}${_newline}}"
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_env_arg_safe="BASH_FUNC_${_func_name}_PERCENT_PERCENT=() { ${_func_body}${_newline}}BASH_FUNC_END"
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_env_args="${_env_args} $(_squote_escape "${_env_arg_raw}") $(_squote_escape "${_env_arg_safe}")"
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done <<- FUNCS
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${BASH_FUNCTIONS}
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FUNCS
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printf %s "${_env_args}"
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}
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############################# _to_eval_str (posix) #############################
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_to_eval_str () {
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_eval_args=
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for _arg; do
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_eval_args="${_eval_args} $(_squote_escape "${_arg}")"
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done
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printf %s "${_eval_args}"
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}
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_exec () {
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eval exec env "$(_prepare_bash_funcs_for_eval)" "$(_to_eval_str "${@}")"
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}
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_run () {
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eval env "$(_prepare_bash_funcs_for_eval)" "$(_to_eval_str "${@}")"
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}
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############################### define functions ###############################
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define_func __path_lookup 'type -P "${1-}"' && export -f __path_lookup # adapted for bash.
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define_func __have_all 'while [ "${#}" -gt "0" ] ; do [ -x "$(__path_lookup "${1-}")" ] || return 1 ; shift ; done' && export -f __have_all
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define_func __have '__have_all "${1-}"' && export -f __have
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define_func __source_if '[ -f "${1-}" ] && [ -r "${1-}" ] && . "${1-}"' && export -f __source_if
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# TODO: Create ~/.local/bin directory and add ~/.local/bin to PATH
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# Add some basic scripts, like log.log, etc.
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############################ logging utils (posix) #############################
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log.log () {
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case "${1-}" in
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red) __ansi='41;30' ;;
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orange) __ansi='43;30' ;;
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blue) __ansi='44;30' ;;
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green) __ansi='42;30' ;;
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*) __ansi='45;30' ;;
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esac
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shift
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1>&2 printf "\033[${__ansi}m%s\033[m\n" "${*}"
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unset __ansi
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}
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log.err () { log.log red "${@}" ; }
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log.warn () { log.log orange "${@}" ; }
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log.info () { log.log blue "${@}" ; }
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log.good () { log.log green "${@}" ; }
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if [ -n "${PROFILE_SOURCED}" ] ; then
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###################### exit when already sourced (posix) #######################
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log.err ".profile already sourced. unset PROFILE_SOURCED to force reloading, or don't start a login session (e.g. leave the -l flag from bash)."
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else
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########################## global environment (posix) ##########################
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if ! [ -n "${USER-}" ] ; then
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if ! USER="$(2>/dev/null ps -o user= -p "${$}" | awk '{print $1}')" ; then
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if ! USER="$(2>/dev/null whoami)" ; then
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if ! USER="$(2>/dev/null id -u -n)"; then
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if ! USER="$(basename -- "$({HOME=~ && printf %s "${HOME}")")" ; then
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if ! USER="$(2>/dev/null logname)" ; then
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if USER="${LOGNAME-}" ; [ -z "${USER}" ] ; then
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unset USER
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fi; fi; fi; fi; fi; fi; fi
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if ! [ -n "${HOME-}" ] ; then
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if ! HOME="$(getent passwd "$(id -u "${USER}")" | cut -d: -f6)" ; then
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if ! HOME="$(getent passwd "${UID}" | cut -d: -f6)" ; then
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if ! HOME="$(awk -v FS=':' -v user="${USER}" '($1==user) {print $6}' "/etc/passwd")" ; then
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unset HOME
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HOME=~
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if [ "${HOME}" = "~" ] ; then
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if ! mkdir "/tmp/${USER}" && HOME="/tmp/${USER}" ; then
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unset HOME
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fi; fi ; fi ; fi ; fi; fi
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export EDITOR="$({ type -P nvim ||
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type -P vim ||
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type -P vi ||
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type -P nvi ||
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type -P hx ||
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type -P nano ||
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type -P ex ||
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type -P ed ; } 2>/dev/null)"
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export _JAVA_AWT_WM_NONREPARENTING="1"
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export GIT_SSH_COMMAND="ssh -oIdentitiesOnly=yes -F"${HOME}"/.ssh/config"
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export LANG="en_US.UTF-8"
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export VISUAL="${EDITOR}"
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export SUDO_EDITOR="${EDITOR}"
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export XDG_RUNTIME_DIR="/run/user/$(id -u)"
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export SSH_AUTH_SOCK="${XDG_RUNTIME_DIR}/ssh-agent.socket"
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export GIT_CONFIG_GLOBAL="${HOME}/.gitconfig"
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export USER42="tischmid"
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export EMAIL42="timo42@proton.me"
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export MAIL="timo42@proton.me"
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export GOPATH="${HOME}/go"
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__have nvim && MANPAGER="vi +Man!" && MANPAGER="less -F -X"
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export MANPAGER
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export PATH
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export LD_LIBRARY_PATH
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####################### path append & prepend functions ########################
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pathvarprepend () {
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# prepending paths to pathvar denoted by the expansion of the PATHVAR parameter
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# if it's already in the PATH, move it to the end
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# POSIX compliant version
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test -n "${2}" ||
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{ log.info "Usage: pathvarprepend PATHVAR PATH_TO_ADD [PATH_TO_ADD...]";
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log.info "Example: pathvarprepend LD_LIBRARY_PATH '${HOME}/.local/lib' '/usr/local/lib'";
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return 2; }
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pathvar="${1}"
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shift
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case $pathvar in (*[!abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]*|""|[0123456789]*) false;; esac ||
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{ log.err 'Expanded pathvar is not a valid name/variable identifier'; return 3; }
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if [ "$pathvar" = "PATH" ]; then
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test "${-#*r}" = "${-}" ||
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{ log.err 'Restricted shell, cannot change PATH'; return 4; }
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fi
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path_prepend_error=0
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# Thanks Stephane
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code="set -- dummy"
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n="${#}"
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while [ "${n}" -gt 0 ]; do
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code="$code \"\${${n}}\""
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n="$((n - 1))"
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done
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eval "$code"
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while shift; [ "${#}" -gt 0 ]; do
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norm_path_to_add="${1}"
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test "${norm_path_to_add#*:}" = "${norm_path_to_add}" ||
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{ log.warn 'Cannot add path with colon'; path_prepend_error="1"; continue; }
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test -d "${norm_path_to_add}" ||
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{ log.warn "path_to_add ('${norm_path_to_add}') not a directory"; path_prepend_error="1"; continue; }
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norm_path=$(printf %s ":$(eval "printf %s "'"'"\$$pathvar"'"'):" | head -n 1 | sed 's|/\+|/|g; s/\/$//; s/:/::/g') # fence with colons, ensure one line, deduplicate slashes, trim trailing, duplicate colons
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norm_path_to_add=$(printf %s "$norm_path_to_add" | head -n 1 | sed 's|/\+|/|g; s/\/$//') # ensure one line, deduplicate slashes, trim trailing
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exec 3<<- 'EOF'
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# escape BRE meta-characters
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s/\\/\\./g # backslash first
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s/\./\\./g
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s/\^/\\^/g
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s/\$/\\$/g
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s/\*/\\*/g
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s/\[/\\[/g
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s|/|\\/|g # escape delimiter for outer sed
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EOF
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norm_path="$(printf %s "${norm_path}" | sed "s/:$(printf %s "${norm_path_to_add}" | sed -f /proc/self/fd/3 3<&3)://g")" # remove all instances of PATH_TO_ADD from PATH
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exec 3<&-
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norm_path="$(printf %s "${norm_path}" | sed 's/:\+/:/g; s/^://; s/:$//')" # deduplicate colons, trim leading and trailing
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eval "${pathvar}=\$norm_path_to_add\${norm_path:+:\$norm_path}" # prepend with colon
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done
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return "${path_prepend_error}"
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} && export -f pathvarprepend
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pathvarappend () {
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# appending paths to pathvar denoted by the expansion of the PATHVAR parameter
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# if it's already in the PATH, move it to the end
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# POSIX compliant version
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test -n "${2}" ||
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{ log.info "Usage: pathappend PATHVAR PATH_TO_ADD [PATH_TO_ADD...]";
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log.info "Example: pathappend LD_LIBRARY_PATH '${HOME}/.local/lib' '/usr/local/lib'";
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return 2; }
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pathvar="${1}"
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case "${pathvar}" in (*[!abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_]*|""|[0123456789]*) false;; esac ||
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{ log.err 'Expanded pathvar is not a valid name/variable identifier'; return 3; }
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if [ "${pathvar}" = "PATH" ]; then
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test "${-#*r}" = "${-}" ||
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{ log.err 'Restricted shell, cannot change PATH'; return 4; }
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fi
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path_append_error="0"
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while shift; [ "${#}" -gt "0" ]; do
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norm_path_to_add="${1}"
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test "${norm_path_to_add#*:}" = "${norm_path_to_add}" ||
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{ log.warn 'Cannot add path with colon'; path_append_error="1"; continue; }
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test -d "${norm_path_to_add}" ||
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{ log.warn "path_to_add ('${norm_path_to_add}') not a directory"; path_append_error="1"; continue; }
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norm_path="$(printf %s ":$(eval "printf %s "'"'"\$${pathvar}"'"'):" | head -n 1 | sed 's|/\+|/|g; s/\/$//; s/:/::/g')" # fence with colons, ensure one line, deduplicate slashes, trim trailing, duplicate colons
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norm_path_to_add="$(printf %s "${norm_path_to_add}" | head -n 1 | sed 's|/\+|/|g; s/\/$//')" # ensure one line, deduplicate slashes, trim trailing
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exec 3<<- 'EOF'
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# escape BRE meta-characters
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s/\\/\\./g # backslash first
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s/\./\\./g
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s/\^/\\^/g
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s/\$/\\$/g
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s/\*/\\*/g
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s/\[/\\[/g
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s|/|\\/|g # escape delimiter for outer sed
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EOF
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norm_path="$(printf %s "${norm_path}" | sed "s/:$(printf %s "${norm_path_to_add}" | sed -f /proc/self/fd/3 3<&3)://g")" # remove all instances of PATH_TO_ADD from PATH
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exec 3<&-
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norm_path="$(printf %s "${norm_path}" | sed 's/:\+/:/g; s/^://; s/:$//')" # deduplicate colons, trim leading and trailing
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eval "${pathvar}=\${norm_path:+\$norm_path:}\$norm_path_to_add" # append with colon
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done
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return "${path_append_error}"
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} && export -f pathvarappend
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path_append () {
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pathvarappend PATH "$@"
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} && export -f path_append
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ld_lib_path_append () {
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pathvarappend LD_LIBRARY_PATH "$@"
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} && export -f ld_lib_path_append
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cdpath_append () {
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pathvarappend CDPATH "$@"
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} && export -f cdpath_append
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path_prepend () {
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pathvarprepend PATH "$@"
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} && export -f path_prepend
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ld_lib_path_prepend () {
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pathvarprepend LD_LIBRARY_PATH "$@"
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} && export -f ld_lib_path_prepend
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cdpath_prepend () {
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pathvarprepend CDPATH "$@"
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} && export -f cdpath_prepend
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# ld_lib_path_append \
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# "${HOME}/.local/lib"
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set | grep -sq '^\(TMUX_PANE\|SSH_CONNECTION\)' && exec 2>/dev/null
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path_prepend \
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"/bin" \
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"/sbin" \
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"/usr/bin" \
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"/usr/sbin" \
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"/usr/local/bin" \
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"/usr/local/sbin" \
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"/usr/games" \
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"/usr/local/games" \
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"/snap/bin" \
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path_append \
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"${HOME}/bin" \
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"${HOME}/.bin" \
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"${HOME}/.local/bin" \
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"${HOME}/.local/sbin" \
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"${HOME}/.brew/bin" \
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"${GOPATH}/bin"
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set | grep -sq '^\(TMUX_PANE\|SSH_CONNECTION\)' && exec 2>/dev/tty
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# add cargo bin to path
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if [ -f "${HOME}/.cargo/env" ] && [ -r "${HOME}/.cargo/env" ]; then
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. "${HOME}/.cargo/env"
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fi
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export NVM_DIR="${HOME}/.nvm"
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[ -s "${NVM_DIR}/nvm.sh" ] && . "${NVM_DIR}/nvm.sh"
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[ -s "${NVM_DIR}/bash_completion" ] && . "${NVM_DIR}/bash_completion"
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if ! set | grep -sq '^\(TMUX_PANE\|SSH_CONNECTION\)' ; then
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! pidof -q startx && 1>/home/tosuman/.startx.log 2>&1 _exec startx || log.warn "Not starting X again"
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fi
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log.info ".profile sourced"
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export PROFILE_SOURCED='1'
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fi
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# if running bash
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[ -n "${BASH_VERSINFO}" ] && [ -f "${HOME}/.bashrc" ] && [ -r "${HOME}/.bashrc" ] && _exec bash
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