bin: some script fixes

.local/bin/scripts/addgroup

@@ -0,0 +1,3 @@
+#!/bin/sh -e
+sudo usermod -aG "$@" "$USER"
+sudo su "$USER"

.local/bin/scripts/compress

@@ -1,3 +1,3 @@
 #!/bin/sh
 # Just compress the given directory!
-7z a "$1" "$@"
+7z a "$1.zip" "$@"

.local/bin/scripts/ex

@@ -4,6 +4,7 @@
 # detects whether unpacking into a subfolder is sensible
 # and shows progress indications for some operations
 # optdepends: rewrite(part of my dotfiles, for unzip line rewriting) 7z p7zip unzip
+# TODO auto-delete archive, auto-extract in current dir, trim .tar.gz fully
 for arg do
 case $arg in
 	(-d) del=$(expr ${del:-0} + 1);;

.local/bin/scripts/help

@@ -7,12 +7,11 @@ paginate="${PAGER:-less} +Gg"
 case "$1" in
 	(-d) browse=1; shift;;
 	(-v) set -o xtrace; shift;;
-	("") echo "Try:
+	("") echo "Provide an object to get help on or check out the following options:
 		tldr
 		info
 		man
-		test-colors
+		quickref; test-colors; arg-test / arg-notify"
-		arg-test / arg-notify"
 esac
 
 showinfo() {

.local/bin/scripts/own

@@ -1,3 +1,8 @@
-#!/bin/sh
+#!/bin/sh -e
 # Recursively take ownership of the given files or the current directory
-sudo chown -R --preserve-root $USER:$USER "${@:-.}"
+u=$USER
+case "$1" in
+	(+*) sudo chmod -R "$1" "${@:-.}"; shift; break;;
+	(-*) u="${1#-}"; shift; break;;
+esac
+sudo chown -R --preserve-root "$u:$u" "${@:-.}"

.local/bin/scripts/rd

@@ -15,7 +15,7 @@ do
 		fi
 
 		# $elevate find -H "$f" -maxdepth $(expr 1 \& "$f" = "/" \| 5 \& $# \> 0 \| 4) -type d -empty -name .stfolder -exec rm -div {} \;
-		$elevate find -H "$f" -maxdepth $(expr 1 \& "$f" = "/" \| 5 \& $# \> 0 \| 3) -not \( -name '.stfolder' -o -name '.*keep' -o -name "*.py" \) \( -type d -o -type f \) -a -empty -printf 'Removing empty %p\n' -delete
+		$elevate find -H "$f" -maxdepth $(expr 1 \& "$f" = "/" \| 5 \& $# \> 0 \| 3) -not \( -name '.stfolder' -o -name '.*keep' -o -name "*.py" -o -name "nodelay.txt" \) \( -type d -o -type f \) -a -empty -printf 'Removing empty %p\n' -delete
 		test $# -eq 0 && exit $?
 		if test -e "$f"; then
 			echo -n "$f ($(ls -A "$f" | head -3 | paste -s -d' ')) " >&2 &&

.local/bin/scripts/sign

@@ -1,8 +1,8 @@
-#!/bin/sh -e
+#!/bin/sh -ex
 test "$1" = "-q" && quiet=$1 && shift
 test ! -r "$1" && echo "Usage: sign <document.pdf> [hoffset (-160) [voffset (-310) [scale [signature-image]]]]" && exit 1
 
-signature=$(pass info/signature$(test -n "$5" && echo "-$5"))
+signature=$(pass info/signature$(test -n "$5" && echo "-$5") || echo "$5")
 
 # TODO make filenames unique and don't rerun unneccessarily
 tmp_base=/tmp/sign
@@ -10,7 +10,7 @@ mkdir -p $tmp_base
 tmp_signed=$tmp_base/$1_last-signature.pdf
 tmp_reversed=$tmp_base/$1_reverse.pdf
 sig=$tmp_base/signature_offset.pdf
-result="${1%.pdf}_${5:-signed}.pdf"
+result="${1%.pdf}_$(basename "${5:-signed}").pdf"
 
 h=${2:--160}
 v=${3:--310}