X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=scripts%2Fcore%2Fvariables.sh;h=2eb0c6c4fe42d1f8a5d4ee7bfbb48014b16156d9;hb=4bb80f419dbc6ea61640b47f9b5982a63b50106f;hp=e3dcb0f0af6ccc8ff1a22005bd7a4591236f2153;hpb=3ea085ec301ed1399dfa1e9f3a240312dc95410b;p=feisty_meow.git diff --git a/scripts/core/variables.sh b/scripts/core/variables.sh index e3dcb0f0..2eb0c6c4 100644 --- a/scripts/core/variables.sh +++ b/scripts/core/variables.sh @@ -1,56 +1,61 @@ #!/bin/bash -############################################################################## +############## + # variables script: # Defines the environment variables used by the personalized unix # environment. -############################################################################## +# Author: Chris Koeritz + +############## if [ ! -z "$SHELL_DEBUG" ]; then echo variables initialization begins...; fi -############################################################################## -# System variables. -############################################################################## -# OS stands for the operating system that we think is running. +############## + +# start with some simpler things. + +export SCRIPT_SYSTEM=feisty_meow + +# OS variable records the operating system we think we found. if [ -z "$OS" ]; then export OS=UNIX fi export IS_DARWIN=$(echo $OSTYPE | grep -i darwin) -if [ -z "$HOME" ]; then - if [ "$OS" == "Windows_NT" ]; then - export HOME=/c/home - if [ ! -d $HOME ]; then - mkdir $HOME - fi - fi -fi - -# patch home to undo cygwin style of drive letter. -export HOME=$(echo $HOME | sed -e 's/\/cygdrive\//\//g') -#echo HOME is now $HOME +############## +# windoze sometimes needs a special home variable setup. if [ "$OS" == "Windows_NT" ]; then - export HOSTNAME=$(echo $HOSTNAME | tr A-Z a-z) + # give them a default place if they don't have one already. + if [ -z "$HOME" ]; then + export HOME=/c/home + fi + # patch home to undo cygwin style of drive letter. + export HOME=$(echo $HOME | sed -e 's/\/cygdrive\//\//g') + # make the home folder if it doesn't exist yet. + if [ ! -d $HOME ]; then + mkdir $HOME + fi + if [ ! -z "$SHELL_DEBUG" ]; then echo HOME is now $HOME; fi fi -############################################################################## -# Directory variables. -############################################################################## -# The yeti library directory holds useful shell scripts, public databases, -# configuration examples, javascript code, and other stuff. -export SCRIPT_SYSTEM=feisty_meow - -#if [ -z "$FEISTY_MEOW_DIR" ]; then export FEISTY_MEOW_DIR="$HOME/$SCRIPT_SYSTEM"; fi -#if [ -z "$FEISTY_MEOW_SCRIPTS" ]; then export FEISTY_MEOW_SCRIPTS="$FEISTY_MEOW_DIR/scripts"; fi -#if [ -z "$FEISTY_MEOW_SCRIPTS" ]; then export FEISTY_MEOW_SCRIPTS="$FEISTY_MEOW_SCRIPTS"; fi +############## -# include helpful functions. -source "$FEISTY_MEOW_SCRIPTS/core/functions.sh" +# fallbacks to set crucial variables for feisty meow... -# LIBDIR is an older variable that points at the root of the yeti code. -export LIBDIR=$FEISTY_MEOW_DIR +# set the main root directory variable for the feisty meow codebase. +# this is only used for extreme failure modes, when the values were not +# pulled in from our auto-generated config. +if [ -z "$FEISTY_MEOW_DIR" ]; then + if [ -d "$HOME/feisty_meow" ]; then + export FEISTY_MEOW_DIR="$HOME/feisty_meow" + export FEISTY_MEOW_SCRIPTS="$FEISTY_MEOW_DIR/scripts" + fi +fi +# similarly, make sure we have someplace to look for our generated files, if +# we were not handed a value. if [ -z "$FEISTY_MEOW_GENERATED" ]; then # The generated scripts directory is where automatically generated files live. # It is separate from the main body of the shell scripts in order to keep things from @@ -58,42 +63,66 @@ if [ -z "$FEISTY_MEOW_GENERATED" ]; then export FEISTY_MEOW_GENERATED=$HOME/.zz_auto_gen fi -############################################################################## -# other variables... -############################################################################## +############## -# pull in the custom overrides for feisty_meow scripts. -for i in $FEISTY_MEOW_SCRIPTS/custom/*.sh; do - if [ ! -z "$SHELL_DEBUG" ]; then - echo "loading customization: $(basename $(dirname $i))/$(basename $i)" - fi - source $i -done +# umask sets a permission mask for all file creations. the mask used here +# disallows writing by the "group" and "others" categories. +umask 022 +# ulimit sets user limits. we set the maximum allowed core dump file size +# to zero, because it is obnoxious to see the core dumps from crashed +# programs lying around everywhere. +ulimit -c 0 + +############## + +# include helpful functions. +source "$FEISTY_MEOW_SCRIPTS/core/functions.sh" + +############## -# sets the prompts to what we (i.e., i) like... -# there are four different prompts. the first one, PS1, is the one that users -# see the most often. +# user variables, sort of... if they haven't given themselves a name yet, +# then we will make one up for them. + +# define a default name, if one wasn't already set. +if [ -z "$NAME" ]; then + export NAME='Unset Q. Namington, Fixley Your Name III' +fi + +############## + +# sets the main prompt to a simple default, with user@host. export PS1='\u@\h $ '; -### export PS2='> '; export PS3='#? '; export PS4='+ ' + +############## # variables for perl. + export PERLLIB if [ "$OS" != "Windows_NT" ]; then PERLLIB+="/usr/lib/perl5" else -#echo "the scripts dir is $FEISTY_MEOW_SCRIPTS" - FEISTY_MEOW_SCRIPTS="$(echo $FEISTY_MEOW_SCRIPTS | sed -e 's/\\/\//g')" - FEISTY_MEOW_SCRIPTS="$FEISTY_MEOW_SCRIPTS" -#echo "the scripts dir is now $FEISTY_MEOW_SCRIPTS" export PERLIO=:perlio - # choose perl's IO over the system's so we can handle file bytes exactly. + # choose perl's IO over the ms-windows version so we can handle file + # bytes properly. fi -#make this automatic! -PERLLIB+=":$FEISTY_MEOW_SCRIPTS/core:$FEISTY_MEOW_SCRIPTS/text:$FEISTY_MEOW_SCRIPTS/files:$FEISTY_MEOW_SCRIPTS/archival" +# iterate across our sub-directories and find the perl scripts. +# this currently only looks one level down. +for i in $FEISTY_MEOW_SCRIPTS/*; do + if [ -d "$i" ]; then + # check if there is a perl file present; add the folder to PERLLIB if so. + ls $i/*.pl &>/dev/null + if [ $? -eq 0 ]; then + PERLLIB+=":$i" + fi + fi +done +#echo PERLLIB is now $PERLLIB + +############## # set this so nechung can find its data. -export NECHUNG=$LIBDIR/database/fortunes.dat +export NECHUNG=$FEISTY_MEOW_DIR/database/fortunes.dat # ensure we use the right kind of rsh for security. export CVS_RSH=ssh @@ -102,6 +131,10 @@ export CVS_RSH=ssh HISTSIZE=1000000 HISTFILESIZE=2000000 +# the base checkout list is just to update feisty_meow. additional folder +# names can be added in your customized scripts. +export REPOSITORY_LIST="feisty_meow" + # set the editor for subversion if it hasn't already been set. if [ -z "$SVN_EDITOR" ]; then #hmmm: not sure what original reason for having these different was... @@ -112,61 +145,71 @@ if [ -z "$SVN_EDITOR" ]; then fi fi -# include variables needed for compiling hoople and using its scripts. -if [ -z "$FEISTY_MEOW_DIR" ]; then - if [ -d "$HOME/feisty_meow" ]; then - export FEISTY_MEOW_DIR="$HOME/feisty_meow" - fi -fi - -# initialize the build variables, if possible. -found_build_vars=0 -if [ ! -z "$FEISTY_MEOW_DIR" ]; then - # first guess at using the old school bin directory. - bv="$FEISTY_MEOW_DIR/bin/build_variables.sh" - if [ -f "$bv" ]; then - # the old bin directory is present, so let's use its build vars. - source "$bv" "$bv" +# initializes the feisty meow build variables, if possible. +function initialize_build_variables() +{ + found_build_vars=0 + # we need to know the feisty meow directory, or we bail. + if [ -z "$FEISTY_MEOW_DIR" ]; then return; fi + # pick from our expected generator folder, but make sure it's there... + buildvars="$FEISTY_MEOW_DIR/scripts/generator/build_variables.sh" + if [ -f "$buildvars" ]; then + # yep, that one looks good, so pull in the build defs. + source "$buildvars" "$buildvars" found_build_vars=1 - else - # try again with the new school location for the file. - bv="$FEISTY_MEOW_DIR/scripts/generator/build_variables.sh" - if [ -f "$bv" ]; then - # yep, that one looks good, so pull in the build defs. - source "$bv" "$bv" - found_build_vars=1 - else - # try once more with new school and assume we're deep. - bv="$FEISTY_MEOW_DIR/../../scripts/generator/build_variables.sh" - if [ -f "$bv" ]; then - # sweet, there is something there. - source "$bv" "$bv" - found_build_vars=1 - fi - fi fi -fi + # now augment the environment if we found our build variables. + if [ $found_build_vars == 1 ]; then + # the binary directory contains handy programs we use a lot in yeti. we set up the path to it + # here based on the operating system. + # note that yeti has recently become more dependent on hoople. hoople was always the source of + # the binaries, but now we don't ship them with yeti any more as pre-built items. this reduces + # the size of the code package a lot and shortens up our possible exposure to compromised + # binaries. people can bootstrap up their own set from hoople now instead. + export BINDIR=$FEISTY_MEOW_DIR/production/binaries + + # add binaries created within build to the path. + export PATH="$(dos_to_msys_path $BUILD_TOP/build/bin):$PATH" + + # Shared libraries are located via this variable. + export LD_LIBRARY_PATH="$(dos_to_msys_path $LD_LIBRARY_PATH):$(dos_to_msys_path $BINDIR)" + fi +} -# augment the configuration if we found our build variables. -if [ $found_build_vars == 1 ]; then +# load in the build environment. +initialize_build_variables - # the binary directory contains handy programs we use a lot in yeti. we set up the path to it - # here based on the operating system. - # note that yeti has recently become more dependent on hoople. hoople was always the source of - # the binaries, but now we don't ship them with yeti any more as pre-built items. this reduces - # the size of the code package a lot and shortens up our possible exposure to compromised - # binaries. people can bootstrap up their own set from hoople now instead. - export BINDIR=$FEISTY_MEOW_DIR/production/binaries +############## - # add binaries created within build to the path. - export PATH="$(dos_to_msys_path $BUILD_TOP/build/bin):$PATH" +# windoze specific patching up missing things. - # Shared libraries are located via this variable. - export LD_LIBRARY_PATH="$(dos_to_msys_path $LD_LIBRARY_PATH):$(dos_to_msys_path $BINDIR)" +if [ "$OS" == "Windows_NT" ]; then + export HOSTNAME=$(echo $HOSTNAME | tr A-Z a-z) fi -# Set the path for locating applications. +############## + +# pull in the custom overrides for feisty_meow scripts. this is done last, +# because we want to set everything up as expected, then let the user +# override individual variables and definitions. +for i in $FEISTY_MEOW_GENERATED/custom/*.sh; do + if [ ! -f "$i" ]; then + # skip it if it's not real. + continue; + fi + if [ ! -z "$SHELL_DEBUG" ]; then + echo "loading customization: $(basename $(dirname $i))/$(basename $i)" + fi + source $i +done + +############## + +# set the path for locating applications. this is done after any +# potential overrides from the user. export PATH="$(dos_to_msys_path $BINDIR):$(dos_to_msys_path $FEISTY_MEOW_GENERATED):$PATH:/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/lib:/usr/games:/usr/bin:." +############## + if [ ! -z "$SHELL_DEBUG" ]; then echo variables initialization ends....; fi