X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=scripts%2Fcore%2Flaunch_feisty_meow.sh;h=9e818341eec7d760db4755824f029df06f53b386;hb=63ea779000a06dd59febb62501f0e97812037a31;hp=581b950eebb026a6208f96f99656ba419a592f45;hpb=65ceb7d51f096b446826c0ab5bdaa9550abab2c3;p=feisty_meow.git diff --git a/scripts/core/launch_feisty_meow.sh b/scripts/core/launch_feisty_meow.sh index 581b950e..9e818341 100644 --- a/scripts/core/launch_feisty_meow.sh +++ b/scripts/core/launch_feisty_meow.sh @@ -10,85 +10,122 @@ ############## +# SHELL_DEBUG: if this variable is non-empty, then it causes the feisty meow +# scripts to print more diagnostic information when they run. not all +# scripts support this, but the core ones do. + #export SHELL_DEBUG=true - # this variable causes the scripts that listen to it to print more information - # when they run. ############## -# FEISTY_MEOW_GENERATED is where the generated files yeti uses are located. -# this is our single entry point we can use without knowing any variables -# yet in the initialization process. -export FEISTY_MEOW_GENERATED="$HOME/.zz_auto_gen" -if [ ! -z "$WINDIR" -o ! -z "$windir" ]; then - # assume they are using windoze. - export FEISTY_MEOW_GENERATED="$TMP/zz_auto_gen" -fi +# some preconditions we want to establish before loading anything... + +# make sure that aliases can be used in non-interactive shells. +shopt -s expand_aliases -# make sure our main variables are established. -GENERATED_FEISTY_MEOW_VARIABLES="$FEISTY_MEOW_GENERATED/feisty_meow_variables.sh" -if [ ! -f "$GENERATED_FEISTY_MEOW_VARIABLES" ]; then - echo -e '\n\n' - echo "The yeti scripts need to be initialized via the bootstrap process, e.g.:" - echo " bash $HOME/feisty_meow/scripts/core/bootstrap_shells.sh" - echo -e '\n\n' +# patch the user variable if we were launched by one of our cron jobs. +if [ -z "$USER" -a ! -z "$CRONUSER" ]; then + export USER="$CRONUSER" fi -# pull in our variable set. -source "$GENERATED_FEISTY_MEOW_VARIABLES" +############## + +export ERROR_OCCURRED= + # there have been no errors to start with, at least. we will set this + # to non-empty if something bad happens. + +if [ -z "$FEISTY_MEOW_LOADING_DOCK" ]; then + # FEISTY_MEOW_LOADING_DOCK is where the generated files are located. + # this is our single entry point we can use without knowing any variables + # yet in the initialization process. + export FEISTY_MEOW_LOADING_DOCK="$HOME/.zz_feisty_loading" +#hmmm: the above is kind of a constant. that's not so great. + + # make sure our main variables are established. + FEISTY_MEOW_VARIABLES_LOADING_FILE="$FEISTY_MEOW_LOADING_DOCK/fmc_variables.sh" + if [ ! -f "$FEISTY_MEOW_VARIABLES_LOADING_FILE" ]; then + echo -e '\n\n' + echo "Feisty meow scripts need initialization via the bootstrap process, e.g.:" + echo " bash $HOME/feisty_meow/scripts/core/reconfigure_feisty_meow.sh" + echo -e '\n\n' + ERROR_OCCURRED=true + fi + + ############## + + # pull in our generated variables that are the minimal set we need to find + # the rest of our resources. + source "$FEISTY_MEOW_VARIABLES_LOADING_FILE" + + # Set up the temporary directory. + source "$FEISTY_MEOW_SCRIPTS/core/create_tempdir.sh" + +fi ############## -# Set up all of the environment's system variables. This is the first step -# in the majestic plan we have for this shell's initialization. -source $FEISTY_MEOW_SCRIPTS/core/variables.sh +# load the larger body of standard feisty meow variables into the environment. +# we actually want this to always run also; it will decide what variables need +# to be set again. +source "$FEISTY_MEOW_SCRIPTS/core/variables.sh" -# Set up the temporary directory... -source $FEISTY_MEOW_SCRIPTS/core/create_tempdir.sh +############## + +# include helpful functions. we do this every time rather than making it part +# of variable initialization, because functions cannot be exported to +# sub-shells in bash. +source "$FEISTY_MEOW_SCRIPTS/core/functions.sh" + +# load some helper methods for the terminal which we'll use below. +source "$FEISTY_MEOW_SCRIPTS/tty/terminal_titler.sh" ############## + +# check hash table before searching path. +shopt -s checkhash +# don't check path for sourced files. +shopt -u sourcepath +# ignore duplicate lines. +HISTCONTROL=ignoredups +# append to the history file. +shopt -s histappend +# automatically update window size if needed. +shopt -s checkwinsize -# check if this is dos/windows. -if [ "$OS" == "Windows_NT" ]; then - if [ -z "$HOME" ]; then - # set a default that might not be appropriate for everyone, but should - # still work. - export HOME=/c/home - fi - if [ ! -d "$HOME" ]; then mkdir $HOME; fi +############## + +# make history writes immediate to avoid losing history if bash is zapped. +echo $PROMPT_COMMAND | grep -q history +if [ $? -ne 0 ]; then + # we only change the prompt command if we think it hasn't already been done. + export PROMPT_COMMAND="history -a;$PROMPT_COMMAND" fi ############## -if [ -z "$LIGHTWEIGHT_INIT" ]; then - # perform the bulkier parts of the login and initialization. +# perform the bulkier parts of the initialization process. - if [ ! -z "$SHELL_DEBUG" ]; then echo heavyweight login begins...; fi +if [ ! -z "$SHELL_DEBUG" ]; then echo "heavyweight init begins..."; fi -#FEISTY_MEOW_GENERATED=$(echo $FEISTY_MEOW_GENERATED | sed -e 's/\\/\//g') -#FEISTY_MEOW_SCRIPTS="$(echo $FEISTY_MEOW_SCRIPTS | sed -e 's/\\/\//g')" -#FEISTY_MEOW_SCRIPTS="$FEISTY_MEOW_SCRIPTS" - - # set up the aliases for the shell, but only if they are not already set. - alias regenerated &>/dev/null # see if a crucial alias exists. - if [ $? -ne 0 ]; then - if [ ! -z "$SHELL_DEBUG" ]; then - echo the aliases were missing, now they are added... - fi - source "$FEISTY_MEOW_GENERATED/core_and_custom_aliases.sh" +# set up the aliases for the shell, but only if they are not already set. +type CORE_ALIASES_LOADED &>/dev/null +if [ $? -ne 0 ]; then + if [ ! -z "$SHELL_DEBUG" ]; then + echo "the aliases were missing, now they are being added..." fi + source "$FEISTY_MEOW_LOADING_DOCK/fmc_core_and_custom_aliases.sh" +fi - # allow connections to our x server from the local host. - if [ ! -z "$DISPLAY" ]; then - if [ ! -z "$(echo "$OS_TYPE" | grep -i darwin)" ]; then - if [ ! -z "$SHELL_DEBUG" ]; then echo Enabling localhost X connections...; fi - xhost + localhost >/dev/null 2>&1 - fi - fi +#echo before the new labelling, terminal titles have: +#show_terminal_titles + +# a minor tickle of the title of the terminal, unless we already have some history. +label_terminal_with_info - # a minor tickle of the title of the terminal, in case there is one. - bash $FEISTY_MEOW_SCRIPTS/tty/label_terminal_with_infos.sh +if [ ! -z "$SHELL_DEBUG" ]; then echo "heavyweight init is done."; fi - if [ ! -z "$SHELL_DEBUG" ]; then echo heavyweight login ends....; fi +if [ -z "$ERROR_OCCURRED" ]; then + # set a sentinel variable to say we loaded the feisty meow environment. + export FEISTY_MEOW_SCRIPTS_LOADED=true fi