myshellconfig/bashrc_add
2020-12-10 09:00:15 +01:00

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#!/bin/bash
#debug
#failure() {
# local lineno=$1
# local msg=$2
# echo "Failed at $lineno: $msg"
#}
#trap 'failure ${LINENO} "$BASH_COMMAND"' ERR
# set some variables to defaults, if not set in .bashrc
[ -z ${SSHS+x} ] && export SSHS=false
[ -z ${STARTTMUX+x} ] && export STARTTMUX=false
# check if we are a interactive shell
# https://guide.bash.academy/expansions/
# https://www.tldp.org/LDP/abs/html/refcards.html#AEN22473
if [[ $- = *i* ]] ; then
#echo "interactive shell" >&2
# define variables
# Base Path
[ -z "${MYSHELLCONFIG_SUBPATH+x}" ] && export MYSHELLCONFIG_SUBPATH=".local/myshellconfig"
[ -z "${MYSHELLCONFIG_BASE+x}" ] && export MYSHELLCONFIG_BASE="${HOME}/${MYSHELLCONFIG_SUBPATH}"
# hardcoded paths
export MYSHELLCONFIG_BASE_PARENT="$(dirname $MYSHELLCONFIG_BASE)"
export MYSHELLCONFIG_BASH_COMPLETION="${HOME}/${MYSHELLCONFIG_SUBPATH}/bash_completion.d"
# Userdata
[ -z "${USERNAME+x}" ] && export USERNAME="$USER"
[ -z "${USEREMAIL+x}" ] && export USEREMAIL="$USER@$(domainname -d)"
[ -z "${FULLNAME+x}" ] && export FULLNAME="$(getent passwd $USER | cut -d ":" -f 5 | cut -d ',' -f 1)"
# GIT
[ -z "${GIT_AUTHOR_NAME+x}" ] && export GIT_AUTHOR_NAME=$FULLNAME
[ -z "${GIT_AUTHOR_EMAIL+x}" ] && export GIT_AUTHOR_EMAIL=$USEREMAIL
[ -z "${GIT_COMMITTER_NAME+x}" ] && export GIT_COMMITTER_NAME=$FULLNAME
[ -z "${GIT_COMMITTER_EMAIL+x}" ] && export GIT_COMMITTER_EMAIL=$USEREMAIL
[ -z "${MYSHELLCONFIG_GIT_TIMEOUT+x}" ] && export MYSHELLCONFIG_GIT_TIMEOUT=5s
[ -z "${MYSHELLCONFIG_GIT_CHECKOUT_TIMEOUT+x}" ] && export MYSHELLCONFIG_GIT_CHECKOUT_TIMEOUT=20s
[ -z "${MYSHELLCONFIG_GIT_SYNC+x}" ] && export MYSHELLCONFIG_GIT_SYNC=true
[ -z "${MYSHELLCONFIG_GIT_SUBMODULES_UPDATE_DEFAULT+x}" ] && export MYSHELLCONFIG_GIT_SUBMODULES_UPDATE_DEFAULT=true
[ -z "${MYSHELLCONFIG_GIT_SUBMODULES_UPDATE_INTERVALL+x}" ] && export MYSHELLCONFIG_GIT_SUBMODULES_UPDATE_INTERVALL=48 #intervall in hours
[ -z "${MYSHELLCONFIG_GIT_SUBMODULES_SERVER_DEFAULT+x}" ] && export MYSHELLCONFIG_GIT_SUBMODULES_SERVER_DEFAULT="git://git.schuerz.at/github.com/"
# hardcoded git
export SGIT="git -C ${MYSHELLCONFIG_BASE}"
# git-repo-url for vim plugin
# TODO: check how to use
export MYSHELLCONFIG_VIM_PLUGINS
# Logging
[ -z "${MYSHELLCONFIG_LOGDIR+x}" ] && export MYSHELLCONFIG_LOGDIR="${HOME}/logs"
[ -z "${MYSHELLCONFIG_LOGFILE+x}" ] && export MYSHELLCONFIG_LOGFILE="${MYSHELLCONFIG_LOGDIR}/myshellconfig.log"
[ -z "${MYHSELLCONFIG_LOGLEVEL_DEFAULT+x}" ] && export MYHSELLCONFIG_LOGLEVEL_DEFAULT="INFO"
[ -z "${MYHSELLCONFIG_FILELOGLEVEL_DEFAULT+x}" ] && export MYHSELLCONFIG_FILELOGLEVEL_DEFAULT="DEBUG"
[ -z "${SCRIPT_LOG+x}" ] && export SCRIPT_LOG="${MYSHELLCONFIG_LOGFILE}"
[ -z "${LOGLEVEL_DEFAULT+x}" ] && export LOGLEVEL_DEFAULT="${MYHSELLCONFIG_LOGLEVEL_DEFAULT-INFO}"
[ -z "${FILELOGLEVEL_DEFAULT+x}" ] && export FILELOGLEVEL_DEFAULT="${MYHSELLCONFIG_FILELOGLEVEL_DEFAULT-INFO}"
# Create necessary directories for logging
[ -n "${MYSHELLCONFIG_LOGDIR-x}" ] && mkdir -p "$MYSHELLCONFIG_LOGDIR"
# load logging functions
. ${MYSHELLCONFIG_BASE}/logging
# PKCS11_MODULE for etoken/smartcard authentification
[ -n "$(whereis p11-kit-proxy.so|awk '{print $2}')" ] && PKCS11_MODULE=$(whereis p11-kit-proxy.so|awk '{print $2}')
# Basics
[ -z "${VISUAL+x}" ] && export VISUAL=vim
[ -z "${EDITOR+x}" ] && export EDITOR=vim
cat << EOF >> "${MYSHELLCONFIG_LOGFILE}"
==8<=== start configure new shell ============== $(date) ===============8<==
EOF
SCRIPTENTRY
# define functions
lastupdatesubmodules () {
date "+%s" > ${MYSHELLCONFIG_BASE%/}${MYSHELLCONFIG_BASE:+/}.last_update_submodules
}
lastupdaterepo () {
date "+%s" > ${MYSHELLCONFIG_BASE%/}${MYSHELLCONFIG_BASE:+/}.last_update_repo
}
ckrepo () {
# check if remote repo is reachable
if $MYSHELLCONFIG_GIT_SYNC; then
if $( timeout --foreground "${MYSHELLCONFIG_GIT_TIMEOUT}" $SGIT ls-remote >/dev/null 2>&1) ;then
return 0
else
return 1
fi
else
logwarn "no sync allowed from config" >&2
return 0
fi
}
sync_config () {
if $MYSHELLCONFIG_GIT_SYNC; then
local nok=""
local gco=""
if which git >/dev/null; then
loginfo -n "Sync config with ${MYSHELLCONFIG_GIT_SERVER}: "
# MYSHELLCONFIG_GITCHECKOUTSCRIPT_OPTIONS are options for bin/git-myshellconfig-checkout
if [ -z ${MYSHELLCONFIG_GIT_CHECKOUTSCRIPT_OPTIONS+x} ]; then
gco="-h"
else
gco="$MYSHELLCONFIG_GIT_CHECKOUTSCRIPT_OPTIONS"
fi
${MYSHELLCONFIG_BASE}/bin/git-myshellconfig-checkout ${gco}|| nok="not " 1>>"${MYSHELLCONFIG_LOGFILE}" 2>&1
loginfo "$(printf '%s\n' "${nok}synced" )"
[ -z "$nok" ] && mkdir -pv "${MYSHELLCONFIG_LOGDIR}"
else
logwarn "git not installed, no configuration possible, please install git" >&2
fi
else
logwarn "Not syncing profile in case of configuration"
fi
}
pathmunge () {
ENTRY
case ":${PATH}:" in
*:"$1":*)
;;
*)
if [ "$2" = "after" ] ; then
PATH=$PATH:$1
else
PATH=$1:$PATH
fi
esac
EXIT
}
if [ -d "${MYSHELLCONFIG_BASE}/bin" ] ; then
pathmunge "${MYSHELLCONFIG_BASE}/bin"
export PATH
fi
if [ -d "${HOME}/.local/bin" ] ; then
pathmunge "${HOME}/.local/bin"
export PATH
fi
# Check for interactive bash and that we haven't already been sourced.
if [ -n "${BASH_VERSION-}" -a -n "${PS1-}" -a -z "${BASH_COMPLETION_VERSINFO-}" ]; then
# Check for recent enough version of bash.
if [ ${BASH_VERSINFO[0]} -gt 4 ] || \
[ ${BASH_VERSINFO[0]} -eq 4 -a ${BASH_VERSINFO[1]} -ge 1 ]; then
[ -r "${XDG_CONFIG_HOME:-$HOME/.config}/bash_completion" ] && \
. "${XDG_CONFIG_HOME:-$HOME/.config}/bash_completion"
if shopt -q progcomp && [ -r /usr/share/bash-completion/bash_completion ]; then
# Source completion code.
logdebug "Source bash-completion"
. /usr/share/bash-completion/bash_completion
fi
fi
fi
# source git-sync part of myshellconfig
. "${MYSHELLCONFIG_BASE}/myshell_git_sync"
# source loading defaults part of myshellconfig
. "${MYSHELLCONFIG_BASE}/myshell_load_defaults"
# source loading workaround for x2go to forward local etoken to remote machine with forwardagent
. "${MYSHELLCONFIG_BASE}/myshell_load_x2go_tokenforward"
promptcommandmunge "_tmux_hook"
promptcommandmunge "_umask_hook"
which direnv >/dev/null && eval "$(direnv hook bash)"
cat << EOF >> "${MYSHELLCONFIG_LOGFILE}"
==8<=== finished configure new shell ================ $(date) ===============8<==
EOF
#else
# echo "non-interactive shell" >&2
SCRIPTEXIT
# Start tmux if not defined as STARTTMUX in bashrc
logdebug "start tmux ${STARTTMUXDEFAULT} - ${STARTTMUXDEFAULT-$STARTTMUX}"
if ${STARTTMUXDEFAULT-$STARTTMUX} ; then
cat << EOF
"User: $USER - $UID"
Starting or resuming screen session
Press CTRL+C to cancel screen startup
EOF
sleep 1
#screen -UxR
tmux attach-session
logdebug "started tmux"
fi
logdebug "after"
fi