X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=scripts%2Fcore%2Flaunch_feisty_meow.sh;h=8b07cc3b04997a0f70309488d4e54b7f68eabfc4;hb=f5d845d81352418af0785b85412a35888c82486f;hp=9bbcec146ac265972b2ef78acd169b6d7512e29c;hpb=22bbd7c6d7bbb09a5ba955d30ceebf93693d23fb;p=feisty_meow.git diff --git a/scripts/core/launch_feisty_meow.sh b/scripts/core/launch_feisty_meow.sh index 9bbcec14..8b07cc3b 100644 --- a/scripts/core/launch_feisty_meow.sh +++ b/scripts/core/launch_feisty_meow.sh @@ -10,11 +10,23 @@ ############## -# SHELL_DEBUG: if this variable is non-empty, then it causes the feisty meow +# DEBUG_FEISTY_MEOW: 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 +#export DEBUG_FEISTY_MEOW=true + +############## + +# some preconditions we want to establish before loading anything... + +# make sure that aliases can be used in non-interactive shells. +shopt -s expand_aliases + +# patch the user variable if we were launched by one of our cron jobs. +if [ -z "$USER" -a ! -z "$CRONUSER" ]; then + export USER="$CRONUSER" +fi ############## @@ -33,94 +45,100 @@ if [ -z "$FEISTY_MEOW_LOADING_DOCK" ]; then 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 $HOME/feisty_meow/scripts/core/reconfigure_feisty_meow.sh" - echo -e '\n\n' + example_dir="/usr/local/fred" + echo -e "\ +The feisty meow scripts need initialization via the bootstrap process. For\n\ +example, if the feisty meow folder lives in '$example_dir', then this\n\ +command bootstraps feisty meow:\n\ +\n\ + bash $example_dir/feisty_meow/scripts/core/reconfigure_feisty_meow.sh\n\ +\n\ +\n" ERROR_OCCURRED=true fi ############## - # pull in our generated variables that are the minimal set we need to find - # the rest of our resources. - source "$FEISTY_MEOW_VARIABLES_LOADING_FILE" + if [ -z "$ERROR_OCCURRED" ]; then + + # pull in our generated variables that are the minimal set we need to find + # the rest of our resources. + source "$FEISTY_MEOW_VARIABLES_LOADING_FILE" - # Set up the temporary directory. - source $FEISTY_MEOW_SCRIPTS/core/create_tempdir.sh + # Set up the temporary directory. + source "$FEISTY_MEOW_SCRIPTS/core/create_tempdir.sh" + fi fi ############## -# 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 $FEISTY_MEOW_SCRIPTS/core/variables.sh +if [ -z "$ERROR_OCCURRED" ]; then -############## + # 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 "$FEISTY_MEOW_SCRIPTS/core/variables.sh" + + ############## -# include helpful functions. we do this every time rather than making it part -# of variable initialization, because functions cannot be exported to -# sub-shells in bash (much like aliases cannot, to our infinite chagrin after -# having migrated from korn shell...). -source "$FEISTY_MEOW_SCRIPTS/core/functions.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 "$FEISTY_MEOW_SCRIPTS/core/functions.sh" -############## - -# check hash table before searching path. -shopt -s checkhash -# don't check path for sourced files. -shopt -u sourcepath -# ignore duplicate lines. -HISTCONTROL=ignoredups -# append to the history file. -shopt -s histappend -# automatically update window size if needed. -shopt -s checkwinsize - -############## + # load some helper methods for the terminal which we'll use below. + source "$FEISTY_MEOW_SCRIPTS/tty/terminal_titler.sh" -# 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 + ############## + + # 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 -############## + ############## -if [ -z "$LIGHTWEIGHT_INIT" ]; then + # 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 + + ############## + # perform the bulkier parts of the initialization process. - - if [ ! -z "$SHELL_DEBUG" ]; then echo "heavyweight init begins..."; fi - + + if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then echo "heavyweight init begins..."; fi + # 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 + if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then echo "the aliases were missing, now they are being added..." fi source "$FEISTY_MEOW_LOADING_DOCK/fmc_core_and_custom_aliases.sh" 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 + + if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then echo "heavyweight init is done."; fi + + if [ -z "$ERROR_OCCURRED" ]; then + # set a sentinel variable to say we loaded the feisty meow environment. + export FEISTY_MEOW_SCRIPTS_LOADED=true + fi -## disabled since we don't think is needed any more, and it's just an -## attack surface if the other users on the host are not trusted. -# # 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 - - # 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 -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 +fi # no error occurred.