# test whether we've been here before or not.
skip_all=
-date_stringer &>/dev/null
+function_sentinel &>/dev/null
if [ $? -eq 0 ]; then
# there was no error, so we can skip the inits.
-# if [ ! -z "$SHELL_DEBUG" ]; then
+ if [ ! -z "$SHELL_DEBUG" ]; then
echo skipping functions.sh because already defined.
-# fi
+ fi
+ skip_all=yes
fi
-echo proceeding to run functions.sh
-
if [ -z "$skip_all" ]; then
-
if [ ! -z "$SHELL_DEBUG" ]; then
echo function definitions begin...
fi
# 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() {
- date +"%Y_%m_%e_%H%M_%S" | tr -d '/\n/'
+ 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
if [ ! -d "$1" ]; then mkdir -p "$1"; fi
cd "$1"
}
-
+
+ # 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: $*"
+ exit 1
+ fi
+ }
+
# locates a process given a search pattern to match in the process list.
function psfind() {
- PID_DUMP="$(mktemp "$TMP/zz_pidlist.XXXXXX")"
- appropriate_pattern='s/^[-a-zA-Z_0-9][-a-zA-Z_0-9]* *\([0-9][0-9]*\).*$/\1/p'
+ local PID_DUMP="$(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.
- 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
+ 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
- /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() {
+ 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
- echo ""
- echo "Processes containing \"$1\"..."
- echo ""
- if [ -n "$IS_DARWIN" ]; then
- unset fuzil_sentinel
- for i in $p; do
- # only print the header the first time.
- if [ -z "$fuzil_sentinel" ]; then
- ps $i -w -u
- else
- ps $i -w -u | sed -e '1d'
- fi
- fuzil_sentinel=true
- done
- else
- # cases besides darwin OS (for macs).
- extra_flags=
- if [ "$OS" = "Windows_NT" ]; then
- # special case for windows.
- extra_flags=-W
- ps | head -1
- for curr in $p; do
- ps $extra_flags | grep "^ *$curr"
- done
+ if [ -z "$p" ]; then
+ # no matches.
+ return 0
+ fi
+ echo ""
+ echo "Processes containing \"$1\"..."
+ echo ""
+ if [ -n "$IS_DARWIN" ]; then
+ unset fuzil_sentinel
+ for i in $p; do
+ # only print the header the first time.
+ if [ -z "$fuzil_sentinel" ]; then
+ ps $i -w -u
else
- # normal OSes can handle a nice simple query.
- ps wu $p
+ ps $i -w -u | sed -e '1d'
fi
+ fuzil_sentinel=true
+ done
+ else
+ # cases besides mac os x's darwin.
+ extra_flags=
+ if [ "$OS" = "Windows_NT" ]; then
+ # special case for windows.
+ extra_flags=-W
+ ps | head -1
+ for curr in $p; do
+ ps $extra_flags | grep "$curr"
+ done
+ else
+ # normal OSes can handle a nice simple query.
+ ps wu $p
fi
fi
}
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 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_msys_path() {
+ 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/'
}
-
- # su function: makes su perform a login.
- # for some OSes, this transfers the X authority information to the new login.
- function su() {
+
+ # 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.
fi
}
- # buntar is a long needed uncompressing macro that feeds into tar -x.
- # it takes a list of bz2 file names and extracts their contents into
- # sequentially numbered directories.
- function buntar() {
- index=1
- for i in $*; do
- mkdir buntar_$index
- pushd buntar_$index &>/dev/null
- file=$i
- # if the filename has no directory component, we will assume it used to
- # be above our unzipping directory here.
- if [ "$(basename $file)" = $file ]; then
- file=../$file
- fi
- bunzip2 -d -c $file | tar -xf -
- popd &>/dev/null
- index=$(expr $index + 1)
- done
- }
-
# 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() {
find $i -follow -type f -iname ".#*" -exec perl $FEISTY_MEOW_SCRIPTS/files/safedel.pl {} ";"
done
}
-
- # recreates all the generated files that the feisty meow scripts use.
- function regenerate() {
- bash $FEISTY_MEOW_SCRIPTS/core/bootstrap_shells.sh
- echo
+
+ # overlay for nechung binary so that we can complain less grossly about it when it's missing.
+ function nechung() {
local wheres_nechung=$(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_DIR/scripts/generator/bootstrap_build.sh"
+ echo "bash $FEISTY_MEOW_SCRIPTS/generator/bootstrap_build.sh"
else
- nechung
+ $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 $i
+ done
+ }
+
+ function function_sentinel() { return 0; }
+
if [ ! -z "$SHELL_DEBUG" ]; then echo function definitions end....; fi
fi