# This defines some general, useful functions.
-if [ ! -z "$SHELL_DEBUG" ]; then
- echo function definitions begin...
+# test whether we've been here before or not.
+skip_all=
+function_sentinel &>/dev/null
+if [ $? -eq 0 ]; then
+ # there was no error, so we can skip the inits.
+ if [ ! -z "$SHELL_DEBUG" ]; then
+ echo skipping functions.sh because already defined.
+ fi
+ skip_all=yes
fi
-# applies a chown and a chgrp to the files specified, but the user name must
-# have a private group of the same name for this to work.
-function chowngrp {
- chown $*
-# $2 $3 $4 $5 $6 $7 $8 $9
- chgrp $*
-# $2 $3 $4 $5 $6 $7 $8 $9
-}
-
-# makes a directory of the name specified and then tries to change the
-# current directory to that directory.
-function mcd {
- if [ ! -d "$1" ]; then mkdir "$1"; fi
- cd "$1"
-}
-
-# locates a process given a search pattern to match in the process list.
-function psfind {
- PID_DUMP="$(mktemp "$TMP/zz_pidlist.XXXXXX")"
- appropriate_pattern='s/^[-a-zA-Z_0-9][-a-zA-Z_0-9]* *\([0-9][0-9]*\).*$/\1/p'
- # pattern to use for peeling off the process numbers.
- extra_flags=
- # flags to pass to ps if any special ones are needed.
- if [ "$OS" = "Windows_NT" ]; then
- # on win32, there is some weirdness to support msys.
- appropriate_pattern='s/^[ ]*\([0-9][0-9]*\).*$/\1/p'
- extra_flags=-W
+if [ -z "$skip_all" ]; then
+ if [ ! -z "$SHELL_DEBUG" ]; then
+ echo function definitions begin...
fi
- /bin/ps $extra_flags wuax >$PID_DUMP
- # remove the first line of the file, search for the pattern the
- # user wants to find, and just pluck the process ids out of the
- # results.
- PIDS_SOUGHT=$(cat $PID_DUMP \
- | sed -e '1d' \
- | grep -i "$1" \
- | sed -n -e "$appropriate_pattern")
- if [ ! -z "$PIDS_SOUGHT" ]; then echo "$PIDS_SOUGHT"; fi
- /bin/rm $PID_DUMP
-}
-
-# finds all processes matching the pattern specified and shows their full
-# process listing (whereas psfind just lists process ids).
-function psa {
- p=$(psfind "$1")
- if [ ! -z "$p" ]; then
+
+ # a handy little method that can be used for date strings. it was getting
+ # really tiresome how many different ways the script did the date formatting.
+ function date_stringer() {
+ local sep="$1"; shift
+ if [ -z "$sep" ]; then sep='_'; fi
+ date +"%Y$sep%m$sep%d$sep%H%M$sep%S" | tr -d '/\n/'
+ }
+
+ # makes a directory of the name specified and then tries to change the
+ # current directory to that directory.
+ function mcd() {
+ if [ ! -d "$1" ]; then mkdir -p "$1"; fi
+ cd "$1"
+ }
+
+ # displays the value of a variable in bash friendly format.
+ function var() {
+ local varname="$1"; shift
+ if [ -z "${!varname}" ]; then
+ echo "$varname undefined"
+ else
+ echo "$varname=${!varname}"
+ fi
+ }
+
+ function success_sound()
+ {
+ if [ ! -z "$CLAM_FINISH_SOUND" ]; then
+ bash $FEISTY_MEOW_SCRIPTS/multimedia/sound_play.sh "$CLAM_FINISH_SOUND"
+ fi
+ }
+
+ function error_sound()
+ {
+ if [ ! -z "$CLAM_ERROR_SOUND" ]; then
+ bash $FEISTY_MEOW_SCRIPTS/multimedia/sound_play.sh "$CLAM_ERROR_SOUND"
+ fi
+ }
+
+ # checks the result of the last command that was run, and if it failed,
+ # then this complains and exits from bash. the function parameters are
+ # used as the message to print as a complaint.
+ function check_result()
+ {
+ if [ $? -ne 0 ]; then
+ echo -e "failed on: $*"
+ error_sound
+ exit 1
+ fi
+ }
+
+ # locates a process given a search pattern to match in the process list.
+ function psfind() {
+ local PID_DUMP="$(mktemp "$TMP/zz_pidlist.XXXXXX")"
+ local PIDS_SOUGHT=()
+ local patterns=($*)
+ if [ "$OS" == "Windows_NT" ]; then
+ # needs to be a windows format filename for 'type' to work.
+ if [ ! -d c:/tmp ]; then
+ mkdir c:/tmp
+ fi
+ # windows7 magical mystery tour lets us create a file c:\\tmp_pids.txt, but then it's not really there
+ # in the root of drive c: when we look for it later. hoping to fix that problem by using a subdir, which
+ # also might be magical thinking from windows perspective.
+ tmppid=c:\\tmp\\pids.txt
+ # we have abandoned all hope of relying on ps on windows. instead
+ # we use wmic to get full command lines for processes.
+ # this does not exist on windows home edition. we are hosed if that's
+ # what they insist on testing on.
+ wmic /locale:ms_409 PROCESS get processid,commandline </dev/null >"$tmppid"
+ local flag='/c'
+ if [ ! -z "$(uname -a | grep "^MING" )" ]; then
+ flag='//c'
+ fi
+ # we 'type' the file to get rid of the unicode result from wmic.
+ cmd $flag type "$tmppid" >$PID_DUMP
+ \rm "$tmppid"
+ local CR='\r' # embedded carriage return.
+ local appropriate_pattern="s/^.* *\([0-9][0-9]*\)[ $CR]*\$/\1/p"
+ for i in "${patterns[@]}"; do
+ PIDS_SOUGHT+=$(cat $PID_DUMP \
+ | grep -i "$i" \
+ | sed -n -e "$appropriate_pattern")
+ if [ ${#PIDS_SOUGHT[*]} -ne 0 ]; then
+ # we want to bail as soon as we get matches, because on the same
+ # platform, the same set of patterns should work to find all
+ # occurrences of the genesis java.
+ break;
+ fi
+ done
+ else
+ /bin/ps $extra_flags wuax >$PID_DUMP
+ # pattern to use for peeling off the process numbers.
+ local appropriate_pattern='s/^[-a-zA-Z_0-9][-a-zA-Z_0-9]* *\([0-9][0-9]*\).*$/\1/p'
+ # remove the first line of the file, search for the pattern the
+ # user wants to find, and just pluck the process ids out of the
+ # results.
+ for i in "${patterns[@]}"; do
+ PIDS_SOUGHT=$(cat $PID_DUMP \
+ | sed -e '1d' \
+ | grep -i "$i" \
+ | sed -n -e "$appropriate_pattern")
+ if [ ${#PIDS_SOUGHT[*]} -ne 0 ]; then
+ # we want to bail as soon as we get matches, because on the same
+ # platform, the same set of patterns should work to find all
+ # occurrences of the genesis java.
+ break;
+ fi
+ done
+ fi
+ if [ ! -z "$PIDS_SOUGHT" ]; then echo "$PIDS_SOUGHT"; fi
+ /bin/rm $PID_DUMP
+ }
+
+ # finds all processes matching the pattern specified and shows their full
+ # process listing (whereas psfind just lists process ids).
+ function psa() {
+ if [ -z "$1" ]; then
+ echo "psa finds processes by pattern, but there was no pattern on the command line."
+ return 1
+ fi
+ p=$(psfind "$1")
+ if [ -z "$p" ]; then
+ # no matches.
+ return 0
+ fi
echo ""
echo "Processes containing \"$1\"..."
echo ""
fuzil_sentinel=true
done
else
- # cases besides darwin OS (for macs).
+ # cases besides mac os x's darwin.
extra_flags=
if [ "$OS" = "Windows_NT" ]; then
# special case for windows.
extra_flags=-W
ps | head -1
for curr in $p; do
- ps $extra_flags | grep "^ *$curr"
+ ps $extra_flags | grep "$curr"
done
else
# normal OSes can handle a nice simple query.
ps wu $p
fi
fi
- fi
-}
-
-# an unfortunately similarly named function to the above 'ps' as in process
-# methods, but this 'ps' stands for postscript. this takes a postscript file
-# and converts it into pcl3 printer language and then ships it to the printer.
-# this mostly makes sense for an environment where one's default printer is
-# pcl. if the input postscript causes ghostscript to bomb out, there has been
-# some good success running ps2ps on the input file and using the cleaned
-# postscript file for printing.
-function ps2pcl2lpr {
- for $i in $*; do
- gs -sDEVICE=pcl3 -sOutputFile=- -sPAPERSIZE=letter "$i" | lpr -l
- done
-}
-
-function fix_alsa {
- sudo /etc/init.d/alsasound restart
-}
-
-# switches from a /X/path form to an X:/ form.
-function msys_to_dos_path() {
- # we always remove dos slashes in favor of forward slashes.
- echo "$1" | sed -e 's/\\/\//g' | sed -e 's/\/\([a-zA-Z]\)\/\(.*\)/\1:\/\2/'
-}
-
-# switches from an X:/ form to an /X/path form.
-function dos_to_msys_path() {
- # we always remove dos slashes in favor of forward slashes.
- echo "$1" | sed -e 's/\\/\//g' | sed -e 's/\([a-zA-Z]\):\/\(.*\)/\/\1\/\2/'
-}
-
-if [ ! -z "$SHELL_DEBUG" ]; then echo function definitions end....; fi
+ }
+
+ # an unfortunately similarly named function to the above 'ps' as in process
+ # methods, but this 'ps' stands for postscript. this takes a postscript file
+ # and converts it into pcl3 printer language and then ships it to the printer.
+ # this mostly makes sense for an environment where one's default printer is
+ # pcl. if the input postscript causes ghostscript to bomb out, there has been
+ # some good success running ps2ps on the input file and using the cleaned
+ # postscript file for printing.
+ function ps2pcl2lpr() {
+ for $i in $*; do
+ gs -sDEVICE=pcl3 -sOutputFile=- -sPAPERSIZE=letter "$i" | lpr -l
+ done
+ }
+
+ function fix_alsa() {
+ sudo /etc/init.d/alsasound restart
+ }
+
+ # switches from a /X/path form to an X:/ form. this also processes cygwin paths.
+ function unix_to_dos_path() {
+ # we usually remove dos slashes in favor of forward slashes.
+ if [ ! -z "$SERIOUS_SLASH_TREATMENT" ]; then
+ # unless this flag is set, in which case we force dos slashes.
+ echo "$1" | sed -e 's/\\/\//g' | sed -e 's/\/cygdrive//' | sed -e 's/\/\([a-zA-Z]\)\/\(.*\)/\1:\/\2/' | sed -e 's/\//\\/g'
+ else
+ echo "$1" | sed -e 's/\\/\//g' | sed -e 's/\/cygdrive//' | sed -e 's/\/\([a-zA-Z]\)\/\(.*\)/\1:\/\2/'
+ fi
+ }
+
+ # switches from an X:/ form to an /X/path form.
+ function dos_to_unix_path() {
+ # we always remove dos slashes in favor of forward slashes.
+ echo "$1" | sed -e 's/\\/\//g' | sed -e 's/\([a-zA-Z]\):\/\(.*\)/\/\1\/\2/'
+ }
+
+ # returns a successful value (0) if this system is debian or ubuntu.
+ function debian_like() {
+ # decide if we think this is debian or ubuntu or a variant.
+ DEBIAN_LIKE=$(if [ ! -z "$(grep -i debian /etc/issue)" \
+ -o ! -z "$(grep -i ubuntu /etc/issue)" ]; then echo 1; else echo 0; fi)
+ if [ $DEBIAN_LIKE -eq 1 ]; then
+ # success; this is debianish.
+ return 0
+ else
+ # this seems like some other OS.
+ return 1
+ fi
+ }
+
+ # su function: makes su perform a login.
+ # for some OSes, this transfers the X authority information to the new login.
+ function su() {
+ if debian_like; then
+ # debian currently requires the full version which imports X authority
+ # information for su.
+
+ # get the x authority info for our current user.
+ source $FEISTY_MEOW_SCRIPTS/x_win/get_x_auth.sh
+
+ if [ -z "$X_auth_info" ]; then
+ # if there's no authentication info to pass along, we just do a normal su.
+ /bin/su -l $*
+ else
+ # under X, we update the new login's authority info with the previous
+ # user's info.
+ (unset XAUTHORITY; /bin/su -l $* -c "$X_auth_info ; export DISPLAY=$DISPLAY ; bash")
+ fi
+ else
+ # non-debian supposedly doesn't need the extra overhead any more.
+ # or at least suse doesn't, which is the other one we've tested on.
+ /bin/su -l $*
+ fi
+
+ # relabel the console after returning.
+ bash $FEISTY_MEOW_SCRIPTS/tty/label_terminal_with_infos.sh
+ }
+
+ # sudo function wraps the normal sudo by ensuring we replace the terminal
+ # label if they're doing an su with the sudo.
+ function sudo() {
+ local first_command="$1"
+ /usr/bin/sudo "$@"
+ if [ "$first_command" == "su" ]; then
+ # yep, they were doing an su, but they're back now.
+ bash $FEISTY_MEOW_SCRIPTS/tty/label_terminal_with_infos.sh
+ fi
+ }
+
+ # trashes the .#blah files that cvs and svn leave behind when finding conflicts.
+ # this kind of assumes you've already checked them for any salient facts.
+ function clean_cvs_junk() {
+ for i in $*; do
+ find $i -follow -type f -iname ".#*" -exec perl $FEISTY_MEOW_SCRIPTS/files/safedel.pl {} ";"
+ done
+ }
+
+ # overlay for nechung binary so that we can complain less grossly about it when it's missing.
+ function nechung() {
+ local wheres_nechung=$(which nechung 2>/dev/null)
+ if [ -z "$wheres_nechung" ]; then
+ echo "The nechung oracle program cannot be found. You may want to consider"
+ echo "rebuilding the feisty meow applications with this command:"
+ echo "bash $FEISTY_MEOW_SCRIPTS/generator/bootstrap_build.sh"
+ else
+ $wheres_nechung
+ fi
+ }
+
+ # recreates all the generated files that the feisty meow scripts use.
+ function regenerate() {
+ bash $FEISTY_MEOW_SCRIPTS/core/bootstrap_shells.sh
+ echo
+ nechung
+ }
+
+ # generates a random password where the first parameter is the number of characters
+ # in the password (default 20) and the second parameter specifies whether to use
+ # special characters (1) or not (0).
+ # found function at http://legroom.net/2010/05/06/bash-random-password-generator
+ function random_password()
+ {
+ [ "$2" == "0" ] && CHAR="[:alnum:]" || CHAR="[:graph:]"
+ cat /dev/urandom | tr -cd "$CHAR" | head -c ${1:-32}
+ echo
+ }
+
+ # a wrapper for the which command that finds items on the path. some OSes
+ # do not provide which, so we want to not be spewing errors when that
+ # happens.
+ function whichable()
+ {
+ to_find="$1"; shift
+ which which &>/dev/null
+ if [ $? -ne 0 ]; then
+ # there is no which command here. we produce nothing due to this.
+ echo
+ fi
+ echo $(which $to_find)
+ }
+
+ # copies a set of custom scripts into the proper location for feisty meow
+ # to merge their functions and aliases with the standard set.
+ function recustomize()
+ {
+ user="$1"; shift
+ if [ -z "$user" ]; then
+ # use our default example user if there was no name provided.
+ user=fred
+ fi
+ if [ ! -d "$FEISTY_MEOW_DIR/customizing/$user" ]; then
+ echo "The customization folder provided for $user should be:"
+ echo " '$FEISTY_MEOW_DIR/customizing/$user'"
+ echo "but that folder does not exist. Skipping customization."
+ return 1
+ fi
+ regenerate >/dev/null
+ pushd "$FEISTY_MEOW_GENERATED/custom" &>/dev/null
+ local incongruous_files="$(bash "$FEISTY_MEOW_SCRIPTS/files/list_non_dupes.sh" "$FEISTY_MEOW_DIR/customizing/$user" "$FEISTY_MEOW_GENERATED/custom")"
+ if [ ${#incongruous_files} -ge 1 ]; then
+ echo "cleaning unknown older overrides..."
+ perl "$FEISTY_MEOW_SCRIPTS/files/safedel.pl" $incongruous_files
+ echo
+ fi
+ popd &>/dev/null
+ echo "copying custom overrides for $user"
+ mkdir "$FEISTY_MEOW_GENERATED/custom" 2>/dev/null
+ perl "$FEISTY_MEOW_SCRIPTS/text/cpdiff.pl" "$FEISTY_MEOW_DIR/customizing/$user" "$FEISTY_MEOW_GENERATED/custom"
+ regenerate
+ }
+
+ function add_cygwin_drive_mounts() {
+ for i in c d e f g h q z ; do
+ ln -s /cygdrive/$i $i
+ done
+ }
+
+
+ # takes a file to modify, and then it will replace any occurrences of the
+ # pattern provided as the second parameter with the text in the third
+ # parameter.
+ function replace_pattern_in_file()
+ {
+ local file="$1"; shift
+ local pattern="$1"; shift
+ local replacement="$1"; shift
+ if [ -z "$file" -o -z "$pattern" -o -z "$replacement" ]; then
+ echo "replace_pattern_in_file: needs a filename, a pattern to replace, and the"
+ echo "text to replace that pattern with."
+ return 1
+ fi
+ sed -i -e "s%$pattern%$replacement%g" "$file"
+ }
+
+ ##############
+
+ function function_sentinel() { return 0; }
+
+ if [ ! -z "$SHELL_DEBUG" ]; then echo function definitions end....; fi
+
+fi
projects / feisty_meow.git / blobdiff