cd "$1"
}
+ # returns true if the variable is an array.
function is_array() {
[[ "$(declare -p $1)" =~ "declare -a" ]]
}
+ # returns true if the name provided is a defined alias.
function is_alias() {
alias $1 &>/dev/null
return $?
}
+ # makes the status of pipe number N (passed as first parameter) into the
+ # main return value (i.e., the value for $?). this is super handy to avoid
+ # repeating the awkward looking code below in multiple places.
+ function promote_pipe_return()
+ {
+ ( exit ${PIPESTATUS[$1]} )
+ }
+
##############
# displays the value of a variable in bash friendly format.
# checks the result of the last command that was run, and if that failed,
# then this complains and exits from bash. the function parameters are
# used as the message to print as a complaint.
- function test_or_die()
+ function exit_on_error()
{
if [ $? -ne 0 ]; then
- echo -e "\n\naction failed: $*\n\nExiting script..."
+ echo -e "\n\nan important action failed and this script will stop:\n\n$*\n\n*** Exiting script..."
error_sound
exit 1
fi
}
- # like test_or_die, but will keep going after complaining.
- function test_or_continue()
+ # like exit_on_error, but will keep going after complaining.
+ function continue_on_error()
{
if [ $? -ne 0 ]; then
- echo -e "\n\nerror occurred: $*\n\nContinuing script..."
+ echo -e "\n\na problem occurred, but we can continue:\n\n$*\n\n=> Continuing script..."
error_sound
fi
}
##############
+ # accepts any number of arguments and outputs them to the feisty meow event log.
+ function log_feisty_meow_event()
+ {
+ echo -e "$(date_stringer) -- ${USER}@$(hostname): $*" >> "$FEISTY_MEOW_EVENT_LOG"
+ }
+
+ ##############
+
# wraps secure shell with some parameters we like, most importantly to enable X forwarding.
function ssh()
{
# version for the other side (just 'linux'); we don't want the remote side still
# thinking it's running xterm.
save_terminal_title
+ if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then
+ echo TERM saved is: $PRIOR_TERMINAL_TITLE
+ fi
#hmmm: why were we doing this? it scorches the user's logged in session, leaving it without proper terminal handling.
# # we save the value of TERM; we don't want to leave the user's terminal
# # brain dead once we come back from this function.
/usr/bin/ssh -X -C "${args[@]}"
# # restore the terminal variable also.
# TERM="$oldterm"
+ if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then
+ echo TERM before restore, will use prior title of: $PRIOR_TERMINAL_TITLE
+ fi
restore_terminal_title
+ if [ ! -z "$DEBUG_FEISTY_MEOW" ]; then
+ echo TERM title restored to prior value
+ fi
}
##############
unalias CORE_ALIASES_LOADED &>/dev/null
unset -f function_sentinel
# reload feisty meow environment in current shell.
+ log_feisty_meow_event "reloading the feisty meow scripts for $USER in current shell."
source "$FEISTY_MEOW_SCRIPTS/core/launch_feisty_meow.sh"
# run nechung oracle to give user a new fortune.
nechung
{
local custom_user="$1"; shift
if [ -z "$custom_user" ]; then
- # use our default example user if there was no name provided.
- custom_user=fred
+ # default to login name if there was no name provided.
+ custom_user="$(logname)"
+ # we do intend to use logname here to get the login name and to ignore
+ # if the user has sudo root access; we don't want to provide a custom
+ # profile for root.
fi
save_terminal_title
if [ ! -d "$FEISTY_MEOW_SCRIPTS/customize/$custom_user" ]; then
- echo "The customization folder provided for $custom_user should be:"
- echo " '$FEISTY_MEOW_SCRIPTS/customize/$custom_user'"
- echo "but that folder does not exist. Skipping customization."
+ echo -e "the customization folder for '$custom_user' is missing:
+
+ $FEISTY_MEOW_SCRIPTS/customize/$custom_user
+
+we will skip recustomization, but these other customizations are available:
+"
+ # a little tr and sed magic to fix the carriage returns into commas.
+ local line="$(find $FEISTY_MEOW_SCRIPTS/customize -mindepth 1 -maxdepth 1 -type d -exec basename {} ';' | tr '\n' '&' | sed 's/&/, /g' | sed -e 's/, $//')"
+ # make the line feeds and carriage returns manageable with tr.
+ # convert the ampersand, our weird replacement for EOL, with a comma + space in sed.
+ # last touch with sed removes the last comma.
+ echo " $line"
return 1
fi
# prevent permission foul-ups.
-#hmmm: save error output here instead of muting it.
-#hmmm: better yet actually, just don't complain on freaking cygwin, since that's where this happens
- chown -R "$(logname):$(logname)" \
+ my_user="$USER"
+ # here we definitely want the effective user name (in USER), since
+ # we don't want, say, fred (as logname) to own all of root's loading
+ # dock stuff.
+ chown -R "$my_user:$my_user" \
"$FEISTY_MEOW_LOADING_DOCK"/* "$FEISTY_MEOW_GENERATED_STORE"/* 2>/dev/null
- test_or_continue "chowning to $(logname) didn't happen."
+ continue_on_error "chowning feisty meow generated directories to $my_user"
regenerate >/dev/null
pushd "$FEISTY_MEOW_LOADING_DOCK/custom" &>/dev/null
local fail_message="\n
are the perl dependencies installed? if you're on ubuntu or debian, try this:\n
- $(grep "apt-get.*perl" $FEISTY_MEOW_APEX/readme.txt)\n
+ $(grep "apt.*perl" $FEISTY_MEOW_APEX/readme.txt)\n
or if you're on cygwin, then try this (if apt-cyg is available):\n
$(grep "apt-cyg.*perl" $FEISTY_MEOW_APEX/readme.txt)\n";
#echo "the incongruous files list is: $incongruous_files"
# disallow a single character result, since we get "*" as result when nothing exists yet.
if [ ${#incongruous_files} -ge 2 ]; then
- echo "cleaning unknown older overrides..."
+ log_feisty_meow_event "cleaning unknown older overrides..."
perl "$FEISTY_MEOW_SCRIPTS/files/safedel.pl" $incongruous_files
- test_or_continue "running safedel. $fail_message"
- echo
+ continue_on_error "running safedel. $fail_message"
fi
popd &>/dev/null
- echo "copying custom overrides for $custom_user"
+ log_feisty_meow_event "copying custom overrides for $custom_user"
mkdir -p "$FEISTY_MEOW_LOADING_DOCK/custom" 2>/dev/null
perl "$FEISTY_MEOW_SCRIPTS/text/cpdiff.pl" "$FEISTY_MEOW_SCRIPTS/customize/$custom_user" "$FEISTY_MEOW_LOADING_DOCK/custom"
- test_or_continue "running cpdiff. $fail_message"
+ continue_on_error "running cpdiff. $fail_message"
if [ -d "$FEISTY_MEOW_SCRIPTS/customize/$custom_user/scripts" ]; then
- echo "copying custom scripts for $custom_user"
- netcp "$FEISTY_MEOW_SCRIPTS/customize/$custom_user/scripts" "$FEISTY_MEOW_LOADING_DOCK/custom/" &>/dev/null
+ log_feisty_meow_event "copying custom scripts for $custom_user"
#hmmm: could save output to show if an error occurs.
+ rsync -avz "$FEISTY_MEOW_SCRIPTS/customize/$custom_user/scripts" "$FEISTY_MEOW_LOADING_DOCK/custom/" &>/dev/null
+ continue_on_error "copying customization scripts"
fi
- echo
regenerate
# prevent permission foul-ups, again.
- chown -R "$(logname):$(logname)" \
+ chown -R "$my_user:$my_user" \
"$FEISTY_MEOW_LOADING_DOCK" "$FEISTY_MEOW_GENERATED_STORE" 2>/dev/null
- test_or_continue "chowning to $(logname) didn't happen."
+ continue_on_error "once more chowning feisty meow generated directories to $my_user"
restore_terminal_title
}
echo $(which $to_find)
}
-#hmmm: improve this by not adding the link
-# if already there, or if the drive is not valid.
function add_cygwin_drive_mounts() {
for i in c d e f g h q z ; do
+#hmmm: improve this by not adding the link if already there, or if the drive is not valid.
ln -s /cygdrive/$i $i
done
}
while [ $# -gt 0 ]; do
arg="$1"; shift
if [ ! -f "$arg" -a ! -d "$arg" ]; then
- echo "failure to find a file or directory named '$arg'."
+ echo "=> did not find a file or directory named '$arg'."
continue
fi
# count the number of sub-directories in a directory and echo the result.
function count_directories()
{
- local appsdir="$1"; shift
- numdirs="$(find "$appsdir" -mindepth 1 -maxdepth 1 -type d | wc -l)"
+ local subbydir="$1"; shift
+ numdirs="$(find "$subbydir" -mindepth 1 -maxdepth 1 -type d | wc -l)"
echo $numdirs
}
if [ -d "$src" ]; then
ln -s "$src" "$target"
- test_or_die "Creating symlink from '$src' to '$target'"
+ exit_on_error "Creating symlink from '$src' to '$target'"
fi
echo "Created symlink from '$src' to '$target'."
}
temp_out="$TMP/$file.view"
cat "$file" | python -m json.tool > "$temp_out"
show_list+=($temp_out)
- test_or_continue "pretty printing '$file'"
+ continue_on_error "pretty printing '$file'"
done
filedump "${show_list[@]}"
rm "${show_list[@]}"
# make a backup first, oy.
\cp -f "$filename" "/tmp/$(basename ${filename}).bkup-${RANDOM}"
- test_or_die "backing up file: $filename"
+ exit_on_error "backing up file: $filename"
# make a temp file to write to before we move file into place in bind.
local new_version="/tmp/$(basename ${filename}).bkup-${RANDOM}"
\rm -f "$new_version"
- test_or_die "cleaning out new version of file from: $new_version"
+ exit_on_error "cleaning out new version of file from: $new_version"
local line
local skip_count=0
if [ ! -z "$found_any" ]; then
# put the file back into place under the original name.
\mv "$new_version" "$filename"
- test_or_die "moving the new version into place in: $filename"
+ exit_on_error "moving the new version into place in: $filename"
else
# cannot always be considered an error, but we can at least gripe.
echo "Did not find any matches for seeker '$seeker' in file: $filename"
##############
+ # site avenger aliases
+ function switchto()
+ {
+ THISDIR="$FEISTY_MEOW_SCRIPTS/site_avenger"
+ source "$FEISTY_MEOW_SCRIPTS/site_avenger/shared_site_mgr.sh"
+ switch_to "$1"
+ }
+
+ ##############
+
# NOTE: no more function definitions are allowed after this point.
function function_sentinel()
echo running tests on set_var_if_undefined.
flagrant=petunia
set_var_if_undefined flagrant forknordle
- test_or_die "testing if defined variable would be whacked"
+ exit_on_error "testing if defined variable would be whacked"
if [ $flagrant != petunia ]; then
echo set_var_if_undefined failed to leave the test variable alone
exit 1