6 # Defines the environment variables used by the personalized unix
8 # Author: Chris Koeritz
12 #hmmm: moved from functions.sh; does that hose everything up?
14 # defines a variable within the feisty meow environment and remembers that
15 # this is a new or modified definition. if the feisty meow codebase is
16 # unloaded, then so are all the variables that were defined.
17 # this function always exports the variables it defines.
18 function define_yeti_variable()
20 # if variable exists already, save old value for restore,
21 # otherwise save null value for restore,
22 # have to handle unsetting if there was no prior value of one
24 # add variable name to a list of feisty defined variables.
26 #hmmm: first implem just sets it up and exports the variable.
27 # i.e., this method always exports.
37 # this section should always run or bash will reset them on us.
38 # these need to be as minimal as possible.
40 # sets the main prompt to a simple default, with user@host.
41 define_yeti_variable PS1='\u@\h $ ';
42 # sets the history length and max file size so we can get some long history around here.
43 define_yeti_variable HISTSIZE=1000000
44 define_yeti_variable HISTFILESIZE=8000000
46 # make the TERM available to all sub-shells.
47 define_yeti_variable TERM
51 # we'll run this again only if we think it's needed.
52 if [ -z "$NECHUNG" ]; then
54 if [ ! -z "$SHELL_DEBUG" ]; then echo variables initialization begins...; fi
58 # start with some simpler things.
60 define_yeti_variable SCRIPT_SYSTEM=feisty_meow
62 # OS variable records the operating system we think we found.
64 define_yeti_variable OS=UNIX
66 define_yeti_variable IS_DARWIN=$(echo $OSTYPE | grep -i darwin)
70 # guess the current platform.
71 IS_UNIX=$(uname | grep -i linux)
72 if [ -z "$IS_UNIX" ]; then IS_UNIX=$(uname | grep -i unix); fi
73 if [ -z "$IS_UNIX" ]; then IS_UNIX=$(uname | grep -i darwin); fi
74 IS_DOS=$(uname | grep -i ming)
75 if [ -z "$IS_DOS" ]; then IS_DOS=$(uname | grep -i cygwin); fi
77 # now if we're stuck in DOS, try to determine the type of system.
78 if [ ! -z "$IS_DOS" ]; then
79 # IS_MSYS will be non-empty if this is the msys toolset. otherwise
80 # we assume that it's cygwin.
81 IS_MSYS=$(uname | grep -i ming)
83 # if not MSYS, then we'll assume cygwin and set the cygwin root var.
84 if [ -z "$IS_MSYS" ]; then
85 define_yeti_variable CYGROOT=$(cygpath -w -m /)
91 # fallbacks to set crucial variables for feisty meow...
93 # set the main root directory variable for the feisty meow codebase.
94 # this is only used for extreme failure modes, when the values were not
95 # pulled in from our auto-generated config.
96 if [ -z "$FEISTY_MEOW_APEX" ]; then
97 if [ -d "$HOME/feisty_meow" ]; then
98 define_yeti_variable FEISTY_MEOW_APEX="$HOME/feisty_meow"
99 define_yeti_variable FEISTY_MEOW_SCRIPTS="$FEISTY_MEOW_SCRIPTS"
103 # main declaration of the transients area.
104 if [ -z "$TMP" ]; then
105 define_yeti_variable TMP=$HOME/.tmp
108 # set up the top-level for all build creations and logs and such.
109 if [ -z "$GENERATED_DIR" ]; then
110 define_yeti_variable GENERATED_DIR="$TMP/generated-feisty_meow"
112 if [ ! -d "$GENERATED_DIR" ]; then
113 mkdir -p "$GENERATED_DIR"
115 # set up our effluent outsourcing valves.
116 if [ -z "$TEMPORARIES_DIR" ]; then
117 define_yeti_variable TEMPORARIES_DIR="$GENERATED_DIR/temporaries"
119 if [ ! -d "$TEMPORARIES_DIR" ]; then
120 mkdir -p "$TEMPORARIES_DIR"
123 # similarly, make sure we have someplace to look for our generated files, if
124 # we were not handed a value.
125 if [ -z "$FEISTY_MEOW_LOADING_DOCK" ]; then
126 # The generated scripts directory is where automatically generated files live.
127 # It is separate from the main body of the shell scripts in order to keep things from
129 define_yeti_variable FEISTY_MEOW_LOADING_DOCK=$HOME/.zz_feisty_loading
134 # umask sets a permission mask for all file creations.
135 # this mask disallows writes by "group" and "others".
137 # this mask disallows writes by the "group" and disallows "others" completely.
140 # ulimit sets user limits. we set the maximum allowed core dump file size
141 # to zero, because it is obnoxious to see the core dumps from crashed
142 # programs lying around everywhere.
147 # user variables, sort of... if they haven't given themselves a name yet,
148 # then we will make one up for them.
150 # define a default name, if one wasn't already set.
151 if [ -z "$NAME" ]; then
152 define_yeti_variable NAME='Unset Q. Namington, Fixley Your Name III'
157 # variables for perl.
159 define_yeti_variable PERLLIB+="/usr/lib/perl5"
160 define_yeti_variable PERL5LIB+="/usr/lib/perl5"
161 if [ "$OS" == "Windows_NT" ]; then
162 define_yeti_variable PERLIO=:perlio
163 # choose perl's IO over the ms-windows version so we can handle file
167 # iterate across our sub-directories and find the perl scripts.
168 # this currently only looks one level down.
169 for i in $FEISTY_MEOW_SCRIPTS/*; do
171 # check if there is a perl file present; add the folder to PERLLIB if so.
172 ls $i/*.pl &>/dev/null
173 if [ $? -eq 0 ]; then
174 PERLLIB+=":$(dos_to_unix_path $i)"
175 PERL5LIB+=":$(dos_to_unix_path $i)"
179 #echo PERLLIB is now $PERLLIB
183 # set this so nechung can find its data.
184 define_yeti_variable NECHUNG=$FEISTY_MEOW_APEX/infobase/fortunes.dat
186 # ensure we use the right kind of secure shell.
187 # define_yeti_variable CVS_RSH=$FEISTY_MEOW_SCRIPTS/security/ssh.sh
188 # define_yeti_variable GIT_SSH=$FEISTY_MEOW_SCRIPTS/security/ssh.sh
190 # the base checkout list is just to update feisty_meow. additional folder
191 # names can be added in your customized scripts. the space at the end of
192 # this variable is important and allows users to extend the list like:
193 # define_yeti_variable REPOSITORY_DIR+="muppets configs"
194 define_yeti_variable REPOSITORY_LIST="feisty_meow "
196 # initializes the feisty meow build variables, if possible.
197 function initialize_build_variables()
200 # we need to know the feisty meow directory, or we bail.
201 if [ -z "$FEISTY_MEOW_APEX" ]; then return; fi
202 # pick from our expected generator folder, but make sure it's there...
203 buildvars="$FEISTY_MEOW_SCRIPTS/generator/build_variables.sh"
204 if [ -f "$buildvars" ]; then
205 # yep, that one looks good, so pull in the build defs.
206 source "$buildvars" "$buildvars"
209 # now augment the environment if we found our build variables.
210 if [ $found_build_vars == 1 ]; then
211 # the binary directory contains our collection of handy programs.
212 define_yeti_variable FEISTY_MEOW_BINARIES=$TARGETS_DIR
213 # add binaries created within build to the path.
214 define_yeti_variable PATH="$(dos_to_unix_path $FEISTY_MEOW_BINARIES):$PATH"
215 # Shared libraries are located via this variable.
216 define_yeti_variable LD_LIBRARY_PATH="$(dos_to_unix_path $LD_LIBRARY_PATH):$(dos_to_unix_path $FEISTY_MEOW_BINARIES)"
222 # windoze specific patching up missing things.
224 if [ "$OS" == "Windows_NT" ]; then
225 define_yeti_variable HOSTNAME=$(echo $HOSTNAME | tr A-Z a-z)
230 # load in the build environment.
231 initialize_build_variables
235 # add to the PATH variables used for locating applications. this step is taken after any
236 # potential overrides from the user.
237 define_yeti_variable PATH="$(dos_to_unix_path $FEISTY_MEOW_LOADING_DOCK):$PATH:$(find /usr/local/games -maxdepth 1 -type d -exec echo -n {}: ';' 2>/dev/null)/sbin"
241 # set the SHUNIT_DIR so our shunit tests can find the codebase.
242 define_yeti_variable SHUNIT_DIR="$FEISTY_MEOW_SCRIPTS/shunit"
246 if [ ! -z "$SHELL_DEBUG" ]; then echo variables initialization ends....; fi
251 # pull in the custom overrides for feisty_meow scripts. this is done last,
252 # because we want to set everything up as expected, then let the user
253 # override individual variables and definitions. we also don't guard this
254 # to avoid running it again, because we don't know what mix of functions and
255 # aliases they want to define in there.
256 for i in $FEISTY_MEOW_LOADING_DOCK/custom/*.sh; do
257 if [ ! -f "$i" ]; then
258 # skip it if it's not real.
261 if [ ! -z "$SHELL_DEBUG" ]; then
262 echo "loading customization: $(basename $(dirname $i))/$(basename $i)"