#!/usr/bin/env bash ############## # variables script: # Defines the environment variables used by the personalized unix # environment. # Author: Chris Koeritz ############## # defines a variable within the feisty meow environment and remembers that # this is a new or modified definition. if the feisty meow codebase is # unloaded, then so are all the variables that were defined. # this function always exports the variables it defines. function define_yeti_variable() { #hmmm: simple implem just sets it up and exports the variable. # i.e., this method always exports. export "${@}" #hmmm: eventual approach-- if variable exists already, save old value for restore, # otherwise save null value for restore, # have to handle unsetting if there was no prior value of one # we newly defined. # add variable name to a list of feisty defined variables. return 0 } # switches from an X:/ form to a /cygdrive/X/path form. this is only useful # for the cygwin environment currently. # defined here rather than in functions.sh since we need it when setting variables # and cannot count on load order during a fresh startup in some circumstances. function dos_to_unix_path() { # we always remove dos slashes in favor of forward slashes. #old: echo "$1" | sed -e 's/\\/\//g' | sed -e 's/\([a-zA-Z]\):\/\(.*\)/\/\1\/\2/' echo "$1" | sed -e 's/\\/\//g' | sed -e 's/\([a-zA-Z]\):\/\(.*\)/\/cygdrive\/\1\/\2/' } ############## # this section should always run or bash will reset them on us. # these need to be as minimal as possible. # sets the main prompt to a simple default, with user@host. define_yeti_variable PS1='\u@\h $ '; # sets the history length and max file size so we can get some long history around here. define_yeti_variable HISTSIZE=1000000 define_yeti_variable HISTFILESIZE=8000000 # make the TERM available to all sub-shells. define_yeti_variable TERM ############## # we'll run this again only if we think it's needed. if [ -z "$CORE_VARIABLES_LOADED" ]; then if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then echo variables initialization begins...; fi ############## # start with some simpler things. #hmmm: this needs to come from some configuration item. especially for installs. define_yeti_variable DEFAULT_FEISTYMEOW_ORG_DIR=/opt/feistymeow.org define_yeti_variable SCRIPT_SYSTEM=feisty_meow # OS variable records the operating system we think we found. if [ -z "$OS" ]; then define_yeti_variable OS=UNIX fi define_yeti_variable IS_DARWIN="$(echo $OSTYPE | grep -i darwin)" ############## # guess the current platform. IS_UNIX=$(uname | grep -i linux) if [ -z "$IS_UNIX" ]; then IS_UNIX=$(uname | grep -i unix); fi if [ -z "$IS_UNIX" ]; then IS_UNIX=$(uname | grep -i darwin); fi IS_DOS=$(uname | grep -i ming) if [ -z "$IS_DOS" ]; then IS_DOS=$(uname | grep -i cygwin); fi # now if we're stuck in DOS, try to determine the type of system. if [ ! -z "$IS_DOS" ]; then # IS_MSYS will be non-empty if this is the msys toolset. otherwise # we assume that it's cygwin. IS_MSYS=$(uname | grep -i ming) # if not MSYS, then we'll assume cygwin and set the cygwin root var. if [ -z "$IS_MSYS" ]; then define_yeti_variable CYGROOT=$(cygpath -w -m /) fi fi ############## # fallbacks to set crucial variables for feisty meow... # set the main root directory variable for the feisty meow codebase. # this is only used for extreme failure modes, when the values were not # pulled in from our auto-generated config. if [ -z "$FEISTY_MEOW_APEX" ]; then if [ -d "/opt/feistymeow.org/feisty_meow" ]; then define_yeti_variable FEISTY_MEOW_APEX="/opt/feistymeow.org/feisty_meow" define_yeti_variable FEISTY_MEOW_SCRIPTS="$FEISTY_MEOW_APEX/scripts" elif [ -d "$HOME/feisty_meow" ]; then define_yeti_variable FEISTY_MEOW_APEX="$HOME/feisty_meow" define_yeti_variable FEISTY_MEOW_SCRIPTS="$FEISTY_MEOW_APEX/scripts" fi fi # main declaration of the transients area. if [ -z "$TMP" ]; then define_yeti_variable TMP=$HOME/.tmp fi # set up our event logging file for any notable situation to be recorded in. if [ -z "$FEISTY_MEOW_EVENT_LOG" ]; then define_yeti_variable FEISTY_MEOW_EVENT_LOG="$TMP/$USER-feisty_meow-events.log" fi # set up the top-level for all build creations and logs and such. if [ -z "$FEISTY_MEOW_GENERATED_STORE" ]; then define_yeti_variable FEISTY_MEOW_GENERATED_STORE="$TMP/generated-feisty_meow" fi if [ ! -d "$FEISTY_MEOW_GENERATED_STORE" ]; then mkdir -p "$FEISTY_MEOW_GENERATED_STORE" fi # set up our effluent outsourcing valves. define_yeti_variable TEMPORARIES_PILE="$FEISTY_MEOW_GENERATED_STORE/temporaries" if [ ! -d "$TEMPORARIES_PILE" ]; then mkdir -p "$TEMPORARIES_PILE" fi # similarly, make sure we have someplace to look for our generated files, if # we were not handed a value. if [ -z "$FEISTY_MEOW_LOADING_DOCK" ]; then # The generated scripts directory is where automatically generated files live. # It is separate from the main body of the shell scripts in order to keep things from # exploding. define_yeti_variable FEISTY_MEOW_LOADING_DOCK=$HOME/.zz_feisty_loading fi ############## # set up the color_add variable which is a flag that lets ls know colors work. # test if we can use color in ls... ls --help 2>&1 | grep -i -q color if [ $? -eq 0 ]; then export color_add='--color=auto' else export color_add= fi unset test_ls_colors ############## # umask sets a permission mask for all file creations. we don't set this for the users any # more; they should set it themselves. this is just documentation. # # this mask disallows writes by the "group" and disallows all permissions for "others". #umask 027 # this mask disallows writes by "group" and "others". #umask 022 # this mask allows writes by "group" but not by "others". #umask 002 # ulimit sets user limits. we set the maximum allowed core dump file size # to zero, because it is obnoxious to see the core dumps from crashed # programs lying around everywhere. ulimit -c 0 ############## # user variables, sort of... if they haven't given themselves a name yet, # then we will make one up for them. # define a default name, if one wasn't already set. if [ -z "$NAME" ]; then define_yeti_variable NAME='Unset Q. Namington, Fixley Your Name III' fi ############## # variables for perl. if [[ $PERLLIB =~ .*$FEISTY_MEOW_SCRIPTS.* ]]; then if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then echo skipping PERLLIB since already mentions feisty meow scripts. fi else define_yeti_variable PERLLIB+="/usr/lib/perl5" if [ "$OS" == "Windows_NT" ]; then define_yeti_variable PERLIO=:perlio # choose perl's IO over the ms-windows version so we can handle file # bytes properly. fi # 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 [ $? -eq 0 ]; then PERLLIB+=":$(dos_to_unix_path $i)" fi fi done fi define_yeti_variable PERL5LIB=$PERLLIB #echo PERLLIB is now $PERLLIB ############## # set this so nechung can find its data. define_yeti_variable NECHUNG=$FEISTY_MEOW_APEX/infobase/fortunes.dat # set a personal home directory that can be overridden. define_yeti_variable FEISTY_MEOW_PERSONAL_HOME if [ -z "$FEISTY_MEOW_PERSONAL_HOME" ]; then define_yeti_variable FEISTY_MEOW_PERSONAL_HOME="$HOME" fi ## # establish a pipe for less to see our beloved syntax highlighting. ## define_yeti_variable LESSOPEN="| source-highlight -f esc -o STDOUT -i %s" # the base checkout list is just to update feisty_meow. additional folder # names can be added in your customized scripts. the space at the end of # this variable is important and allows users to extend the list like: # define_yeti_variable REPOSITORY_DIR+="muppets configs" # see the customize/fred folder for a live example. define_yeti_variable REPOSITORY_LIST="$FEISTY_MEOW_APEX " # add in any active projects to the repository list. #hmmm: resolve if still using this folder. if [ -d "$FEISTY_MEOW_PERSONAL_HOME/active" ]; then REPOSITORY_LIST+="$(find "$FEISTY_MEOW_PERSONAL_HOME/active" -maxdepth 1 -mindepth 1 -type d) " fi # add in any folders that are under the feisty meow applications folder. define_yeti_variable FEISTY_MEOW_REPOS_SCAN if [ -z "$FEISTY_MEOW_REPOS_SCAN" ]; then if [ -d "$FEISTY_MEOW_PERSONAL_HOME/apps" ]; then define_yeti_variable FEISTY_MEOW_REPOS_SCAN="$FEISTY_MEOW_PERSONAL_HOME/apps" else # echo "No value set for FEISTY_MEOW_REPOS_SCAN and no default apps folder found in home." true fi fi if [ -d "$FEISTY_MEOW_REPOS_SCAN" ]; then #hmmm: handle the repos as if they are multi value!!! # general search for normal project folders in apps. REPOSITORY_LIST+="$(find "$FEISTY_MEOW_REPOS_SCAN" -maxdepth 2 -mindepth 2 -iname ".git" -type d -exec dirname {} ';') " REPOSITORY_LIST+="$(find "$FEISTY_MEOW_REPOS_SCAN" -maxdepth 2 -mindepth 2 -iname ".svn" -type d -exec dirname {} ';') " # special search for site avenger directories; they have avenger5 as second level. REPOSITORY_LIST+="$(find "$FEISTY_MEOW_REPOS_SCAN" -maxdepth 2 -mindepth 2 -iname "avenger5" -type d) " fi # the archive list is a set of directories that are major repositories of # data which can be synched to backup drives. define_yeti_variable MAJOR_ARCHIVE_SOURCES= # the source collections list is a set of directories that indicate they # harbor a lot of source code underneath. define_yeti_variable SOURCECODE_HIERARCHY_LIST= # initializes the feisty meow build variables, if possible. function initialize_build_variables() { local found_build_vars=nope # we need to know the feisty meow directory, or we bail. if [ -z "$FEISTY_MEOW_APEX" ]; then return; fi # pick from our expected generator folder, but make sure it's there... buildvars="$FEISTY_MEOW_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=true fi # now augment the environment if we found our build variables. if [ $found_build_vars == true ]; then # the binary directory contains our collection of handy programs. define_yeti_variable FEISTY_MEOW_BINARIES=$TARGETS_STORE # add binaries created within build to the path. define_yeti_variable PATH="$(dos_to_unix_path $FEISTY_MEOW_BINARIES):$PATH" # Shared libraries are located via this variable. define_yeti_variable LD_LIBRARY_PATH="$(dos_to_unix_path $LD_LIBRARY_PATH):$(dos_to_unix_path $FEISTY_MEOW_BINARIES)" fi } ############## # windoze specific patching up missing things. if [ "$OS" == "Windows_NT" ]; then define_yeti_variable HOSTNAME=$(echo $HOSTNAME | tr A-Z a-z) fi ############## # load in the build environment. initialize_build_variables ############## # add to the PATH variables used for locating applications. this step is taken after any # potential overrides from the user. #old: define_yeti_variable PATH="$(dos_to_unix_path $FEISTY_MEOW_LOADING_DOCK):$PATH:$(find /usr/local/games -maxdepth 1 -type d -exec echo -n {}: ';' 2>/dev/null)/sbin" define_yeti_variable PATH="$PATH:$(find /usr/local/games -maxdepth 1 -type d -exec echo -n {}: ';' 2>/dev/null)/sbin" ############## # set the SHUNIT_PATH so our shunit tests can find the codebase. define_yeti_variable SHUNIT_PATH="$FEISTY_MEOW_SCRIPTS/testkit/shunit" ############## define_yeti_variable CORE_VARIABLES_LOADED=true if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then echo variables initialization ends....; fi fi ############## # pull in the custom overrides for feisty_meow scripts. this is done almost # last, because we want to set everything up as expected, then let the user # override individual variables and definitions. we also don't guard this # to avoid running it again, because we don't know what mix of functions and # aliases they want to define in there. for i in $FEISTY_MEOW_LOADING_DOCK/custom/*.sh; do if [ ! -f "$i" ]; then # skip it if it's not real. continue; fi if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then echo "loading customization: $(basename $(dirname $i))/$(basename $i)" fi source "$i" done ############## # a late breaking action is to set the editor, if we can. # we will fallback to whatever we can find on the host. export EDITOR # note: the editors for revision control must wait while the document is # edited, so gvim and others that launch a separate x window are not # going to work well unless they can be prevented from forking the process # off. if [ -z "$EDITOR" ]; then EDITOR="$(whichable gvim)" if [ ! -z "$EDITOR" ]; then # if we found gvim, then add in the no forking flag. EDITOR+=" --nofork" fi fi if [ -z "$EDITOR" ]; then EDITOR="$(whichable vim)" fi if [ -z "$EDITOR" ]; then EDITOR="$(whichable vi)" fi if [ -z "$EDITOR" ]; then EDITOR="$(whichable emacs)" fi #### # out of ideas about editors at this point. #### # set the VISUAL and other variables from EDITOR if we found an editor to use. if [ ! -z "$EDITOR" ]; then VISUAL="$EDITOR" export GIT_EDITOR="$EDITOR" export SVN_EDITOR="$EDITOR" fi ##############