date +"%Y$sep%m$sep%d$sep%H%M$sep%S" | tr -d '/\n/'
}
+ # 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="$1"; shift
+ local WHICHER="$(\which which 2>/dev/null)"
+ if [ $? -ne 0 ]; then
+ # there is no which command here. we produce nothing due to this.
+ echo
+ fi
+ echo $($WHICHER $to_find 2>/dev/null)
+ }
+
# makes a directory of the name specified and then tries to change the
# current directory to that directory.
function mcd() {
##############
+ function fm_username()
+ {
+ # see if we can get the user name from the login name. oddly this sometimes doesn't work.
+ local custom_user="$(logname 2>/dev/null)"
+ if [ -z "$custom_user" ]; then
+ # try the normal unix user variable.
+ custom_user="$USER"
+ fi
+ if [ -z "$custom_user" ]; then
+ # try the windows user variable.
+ custom_user="$USERNAME"
+ fi
+ echo "$custom_user"
+ }
+
+ ##############
+
# displays the value of a variable in bash friendly format.
function var() {
HOLDIFS="$IFS"
# wraps secure shell with some parameters we like, most importantly to enable X forwarding.
function ssh()
{
- local args=($*)
+ local args=($@)
# we remember the old terminal title, then force the TERM variable to a more generic
# version for the other side (just 'linux'); we don't want the remote side still
# thinking it's running xterm.
# local oldterm="$TERM"
# export TERM=linux
- /usr/bin/ssh -X -C "${args[@]}"
+ /usr/bin/ssh -C "${args[@]}"
+# removed -Y flag because considered dangerous to trust remote hosts to not abuse our X session.
# # restore the terminal variable also.
# TERM="$oldterm"
##############
# locates a process given a search pattern to match in the process list.
- # supports a single command line flag style parameter of "-u USERNAME";
- # if the -u flag is found, a username is expected afterwards, and only the
- # processes of that user are considered.
+ #
+ # + the -u flag specifies a user name, e.g. "-u joe", which causes only
+ # the processes of that user "joe" to be considered.
+ #
+ # + the -x flag specifies a pattern to exclude from the list, e.g. "-x pszap.sh"
+ # would ignore any processes that mention the phrase "pszap.sh".
function psfind() {
+ local user_flag="-e"
+ # default user flag is for all users.
+ local excluder="ScrengeflebbitsAPhraseWeNeverExpecttomatchanythingYO298238"
+ # for our default, pick an exclusion string we would never match.
+
+ local found_flag=1
+ while [ $found_flag -eq 1 ]; do
+ # reset our sentinel now that we're safely in our loop.
+ found_flag=0
+
+ # save the first argument, since we're going to shift the args.
+ local arg1="$1"
+ if [ "$arg1" == "-u" ]; then
+ # handle the user flag.
+ user_flag="-u $2"
+#echo "found a -u parm and user=$2"
+ found_flag=1 # signal that we found one.
+ # skip these two arguments, since we've consumed them.
+ shift
+ shift
+ elif [ "$arg1" == "-x" ]; then
+ # handle the exclusion flag.
+ excluder="$2"
+#echo "found a -x parm and excluder=$excluder"
+ found_flag=1 # signal that we found one.
+ # skip these two arguments, since we've consumed them.
+ shift
+ shift
+ fi
+ done
+
+ # now that we've yanked any flags out, we can pull the rest of the
+ # arguments in as patterns to seek in the process list.
local -a patterns=("${@}")
#echo ====
#echo patterns list is: "${patterns[@]}"
#echo ====
- local user_flag
- if [ "${patterns[0]}" == "-u" ]; then
- user_flag="-u ${patterns[1]}"
-#echo "found a -u parm and user=${patterns[1]}"
- # void the two elements with that user flag so we don't use them as patterns.
- unset patterns[0] patterns[1]=
- else
- # select all users.
- user_flag="-e"
- fi
-
local PID_DUMP="$(mktemp "$TMP/zz_pidlist.XXXXXX")"
local -a PIDS_SOUGHT
# ids out of the results.
local i
for i in "${patterns[@]}"; do
+#echo "pattern curr is '$i'"
PIDS_SOUGHT+=($(cat $PID_DUMP \
| grep -i "$i" \
+ | grep -v "$excluder" \
| sed -n -e "$pid_finder_pattern"))
done
#echo ====
done
}
-#hmmm: not really doing anything yet; ubuntu seems to have changed from pulseaudio in 17.04?
- # restarts the sound driver.
- function fix_sound_driver() {
- # stop bash complaining about blank function body.
- local nothing=
-#if alsa something
-# sudo service alsasound restart
-#elif pulse something
-# sudo pulseaudio -k
-# sudo pulseaudio -D
-#else
-# something else...?
-#fi
-
- }
-
function screen() {
save_terminal_title
#hmmm: ugly absolute path here.
fi
}
- # switches from an X:/ form to a /cygdrive/X/path form. this is only useful
- # for the cygwin environment currently.
- 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/'
- }
+# # switches from an X:/ form to a /cygdrive/X/path form. this is only useful
+# # for the cygwin environment currently.
+# 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/'
+# }
# returns a successful value (0) if this system is debian or ubuntu.
function debian_like() {
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 "$FEISTY_MEOW_SCRIPTS/security/get_x_auth.sh"
-
- if [ -z "$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 $*
- fi
- }
-
- # sudo function wraps the normal sudo by ensuring we replace the terminal
- # label if they're doing an su with the sudo.
+ # this function wraps the normal sudo by ensuring we replace the terminal
+ # label before we launch what they're passing to sudo. we also preserve
+ # specific variables that enable the main user's ssh credentials to still
+ # be relied on for ssh forwarding, even if the '-i' flag is passed to cause
+ # a fresh shell (which normally doesn't get the launching user's environment
+ # variables).
function sudo() {
save_terminal_title
- /usr/bin/sudo "$@"
+
+ # hoist our X authorization info in case environment is passed along;
+ # this can allow root to use our display to show X.org windows.
+ if [ -z "$IMPORTED_XAUTH" -a ! -z "$DISPLAY" ]; then
+ export IMPORTED_XAUTH="$(xauth list $DISPLAY | head -n 1 | awk '{print $3}')"
+ local REMOVE_IMP_XAUTH=true
+ fi
+
+ # launch sudo with just the variables we want to reach the other side.
+ local varmods=
+ varmods+="OLD_HOME=$HOME "
+ if [ ! -z "$IMPORTED_XAUTH" ]; then varmods+="IMPORTED_XAUTH=$IMPORTED_XAUTH "; fi
+ if [ ! -z "$SSH_AUTH_SOCK" ]; then varmods+="SSH_AUTH_SOCK=$SSH_AUTH_SOCK "; fi
+ /usr/bin/sudo $varmods "$@"
retval=$?
+
+ # take the xauth info away again if it wasn't set already.
+ if [ ! -z "$REMOVE_IMP_XAUTH" ]; then
+ unset IMPORTED_XAUTH
+ fi
restore_terminal_title
-# if [ "$first_command" == "su" ]; then
-# # yep, they were doing an su, but they're back now.
-# label_terminal_with_info
-# fi
return $retval
}
# overlay for nechung binary so that we can complain less grossly about it when it's missing.
function nechung() {
- local wheres_nechung=$(which nechung 2>/dev/null)
+ local wheres_nechung=$(whichable nechung)
if [ -z "$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:"
local custom_user="$1"; shift
if [ -z "$custom_user" ]; then
# default to login name if there was no name provided.
- custom_user="$(logname)"
- # we do intend to use logname here to get the login name and to ignore
+ custom_user="$(fm_username)"
+ # we do intend to use the login name 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
+ # chop off any email address style formatting to leave just the name.
+ custom_user="$(echo "$custom_user" | cut -f1 -d'@')"
save_terminal_title
return 1
fi
-#hmmm: begin old custom section...
-#hmmm: here is where it starts being wrong for a link due to current borked copy approach.
-## # prevent permission foul-ups.
-## my_user="$USER"
-## # here we definitely want the effective user name (in USER), since
-## # we don't want, say, fred (as logname) to own all of root's loading
-## # dock stuff.
-###hmmm: argh, seems a bit heavyweight to do chowning here!
-## chown -R "$my_user:$my_user" \
-## "$FEISTY_MEOW_LOADING_DOCK"/* "$FEISTY_MEOW_GENERATED_STORE"/* 2>/dev/null
-## continue_on_error "chowning feisty meow generated directories to $my_user"
-##
-## regenerate >/dev/null
-##
-## pushd "$FEISTY_MEOW_LOADING_DOCK/custom" &>/dev/null
-## incongruous_files="$(bash "$FEISTY_MEOW_SCRIPTS/files/list_non_dupes.sh" "$FEISTY_MEOW_SCRIPTS/customize/$custom_user" "$FEISTY_MEOW_LOADING_DOCK/custom")"
-##
-## local fail_message="\n
-##are the perl dependencies installed? if you're on ubuntu or debian, try this:\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 [ ${#incongruous_files} -ge 2 ]; then
-## log_feisty_meow_event "cleaning unknown older overrides..."
-## perl "$FEISTY_MEOW_SCRIPTS/files/safedel.pl" $incongruous_files
-## continue_on_error "running safedel. $fail_message"
-## fi
-## popd &>/dev/null
-## 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"
-## continue_on_error "running cpdiff. $fail_message"
-##
-## if [ -d "$FEISTY_MEOW_SCRIPTS/customize/$custom_user/scripts" ]; then
-## 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
-## regenerate
-##
-## # prevent permission foul-ups, again.
-## chown -R "$my_user:$my_user" \
-## "$FEISTY_MEOW_LOADING_DOCK" "$FEISTY_MEOW_GENERATED_STORE" 2>/dev/null
-## continue_on_error "once more chowning feisty meow generated directories to $my_user"
-#hmmm: begin old custom section.
-
-####
-
-#hmmm: begin new customization section...
# recreate the feisty meow loading dock.
regenerate >/dev/null
# there's an existing link, so remove it.
\rm custom
fi
+ # make sure we cleaned up the area before we re-link.
if [ -h custom -o -d custom -o -f custom ]; then
echo "
Due to an over-abundance of caution, we are not going to remove an unexpected
-'custom' object in the file system. This is located here:
- $(pwd)
+'custom' object found in the file system. This object is located in the
+feisty meow loading dock here: $(pwd)
+And here is a description of the rogue 'custom' object:
"
- ls -al .
+ ls -al custom
+ echo "
+If you are pretty sure that this is just a remnant of an older approach in
+feisty meow, where we copied the custom directory rather than linking it
+(and it most likely is just such a bit of cruft of that nature), then please
+remove that old remnant 'custom' item, for example by saying:
+ /bin/rm -rf \"custom\" ; popd
+Sorry for the interruption, but we want to make sure this removal wasn't
+automatic if there is even a small amount of doubt about the issue."
return 1
fi
# now take into account all the customizations by regenerating the feisty meow environment.
regenerate
-#hmmm: end new customization section.
-
-####
restore_terminal_title
}
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 $to_find)
- }
-
function add_cygwin_drive_mounts() {
for i in c d e f g h q z ; do
#hmmm: improve this by not adding the link if already there, or if the drive is not valid.
this_host=$(hostname)
elif [ ! -z "$(echo $MACHTYPE | grep suse)" ]; then
this_host=$(hostname --long)
- elif [ -x "$(which hostname 2>/dev/null)" ]; then
+ elif [ -x "$(whichable hostname)" ]; then
this_host=$(hostname)
fi
echo "$this_host"
fi
local charnfile="$(mktemp $TMP/zz_charn.XXXXXX)"
- find "${dirs[@]}" -follow -maxdepth 1 -mindepth 1 -type f | \
+#hmmm: any way to do the below more nicely or reusably?
+#hmmm: yes! a variable with a list of files that are considered TEXT_FILE_EXTENSIONS or something like that.
+#hmmm: yes continued! also a variable for BINARY_FILE_EXTENSIONS to avoid those, where we need to in other scripts.
+ find "${dirs[@]}" -follow -maxdepth 1 -mindepth 1 -type f -and -not -iname ".[a-zA-Z0-9]*" | \
grep -i \
-"docx\|eml\|html\|jpeg\|jpg\|m4a\|mov\|mp3\|ods\|odt\|pdf\|png\|pptx\|txt\|xlsx\|zip" | \
+"csv\|doc\|docx\|eml\|html\|jpeg\|jpg\|m4a\|mov\|mp3\|ods\|odt\|pdf\|png\|ppt\|pptx\|rtf\|txt\|vsd\|vsdx\|wav\|xls\|xlsx\|xml\|zip" | \
sed -e 's/^/"/' | sed -e 's/$/"/' | \
xargs bash "$FEISTY_MEOW_SCRIPTS/files/spacem.sh"
# drop the temp file now that we're done.
##############
- # site avenger aliases
+ # tty relevant functions...
+
+ # keep_awake: sends a message to the screen from the background.
+ function keep_awake()
+ {
+ # just starts the keep_awake process in the background.
+ bash $FEISTY_MEOW_SCRIPTS/tty/keep_awake_process.sh &
+ # this should leave the job running as %1 or a higher number if there
+ # are pre-existing background jobs.
+ }
+
+ ##############
+
+ # site avenger functions...
+
function switchto()
{
THISDIR="$FEISTY_MEOW_SCRIPTS/site_avenger"
##############
+ # you have hit the borderline functional zone...
+
+#hmmm: not really doing anything yet; ubuntu seems to have changed from pulseaudio in 17.04?
+ # restarts the sound driver.
+ function fix_sound_driver() {
+ # stop bash complaining about blank function body.
+ local nothing=
+#if alsa something
+# sudo service alsasound restart
+#elif pulse something
+# sudo pulseaudio -k
+# sudo pulseaudio -D
+#else
+# something else...?
+#fi
+
+ }
+
+ # ...and here's the end of the borderline functional zone.
+
+ ##############
+
# NOTE: no more function definitions are allowed after this point.
function function_sentinel()