1 files changed, 129 insertions, 0 deletions
diff --git a/.config/wmii-hg/util.sh b/.config/wmii-hg/util.sh
new file mode 100644
index 0000000..71dbc41
--- /dev/null
+++ b/.config/wmii-hg/util.sh
@@ -0,0 +1,129 @@
+#!/bin/bash
+
+# I moved "fixes" into a separate file because it isn't so much configuration...
+. fixes.sh
+
+################################################################################
+# Added shell features                                                         #
+################################################################################
+
+##
+# Usage: dquote STRING
+# Safely double-quotes a string.
+# It escapes ways to execute code, but not variables.
+##
+dquote() {
+	local str=$1
+	str="${str//\\/\\\\}" # backslash
+	str="${str//\"/\\\"}" # dquote
+	str="${str//\$(/\\\$(}" # $(...)
+	str="${str//\`/\\\`}" # backtick
+	printf '"%s"\n' "$str"
+}
+
+##
+# Usage: expand_variables
+# Expands variables read from /dev/stdin
+##
+expand_variables() {
+	while read; do
+		eval printf "'%s\n'" "$(dquote "$REPLY")"
+	done
+}
+
+is_mounted() {
+	local dir="$(readlink -m $1)"
+	local mntpnt="$(cut -d' ' -f2 /proc/mounts|grep -Fx -- "$dir")"
+	[[ $dir = "$mntpnt" ]]
+	return $?
+}
+
+################################################################################
+# PATH manipulation                                                            #
+################################################################################
+
+##
+# Usage: path_ls PATH
+# List executables in PATH (PATH is delimited by `:')
+##
+path_ls() {
+	local dirs
+	IFS=: dirs=($@)
+	find -L "${dirs[@]}" -maxdepth 1 -type f -executable -printf '%f\n' 2>/dev/null | sort -u
+}
+
+##
+# Usage: path_which PATH PROGRAM
+# Find the full path of PROGRAM by searching PATH
+##
+path_which() {
+	local mypath=$1
+	local prog=$2
+	local which=$(which which)
+	PATH="$mypath" "$which" -- "$prog" 2>/dev/null
+}
+
+################################################################################
+# wmii convenience functions                                                   #
+################################################################################
+
+##
+# Usage: lstags
+# Lists wmii tags
+##
+lstags() {
+	ls "$WMII_DIR/tag" | sed -e 's@/$@@' -e '/^sel$/d'
+}
+
+################################################################################
+# X11 functions                                                                #
+################################################################################
+
+##
+# Usage: connected_to_x_server
+# Return status indicates whether there is an X server at $DISPLAY
+##
+connected_to_x_server() {
+	xdpyinfo &>/dev/null
+	return $?
+}
+
+################################################################################
+# My wmii configuration                                                        #
+################################################################################
+
+##
+# Usage: scansection [SECTION]
+# Reads the doc comments from a section of wmiirc.
+# If SECTION is not given, it reads all doc comments.
+##
+scansection() {
+	local file=$(conffile config.sh)
+	local sec=$1
+	local tmp=$(mktemp --tmpdir wmii-scansecion.XXXXXXXXXX)
+	# Isolate the sections we want.
+	if [ -n "$sec" ]; then
+		# Find the section
+		< "$file" sed -n "/^\s*$sec\s*()/,/##\s*End $sec/p" | sed '1d;$d'> "$tmp"
+	else
+		# Remove extra lines that mark the end of a section
+		< "$file" sed "/\s*}\s*##\s*End\s/d" > "$tmp"
+	fi
+	< "$tmp" sed -n '/##/p' | while read; do
+		var="$(echo "$REPLY" | sed -nr 's/^\s*(.*)\)\s*##.*/\1/p')"
+		comment="$(echo "$REPLY" | sed -r 's/.*## ?//')"
+		if [ -z "$var" ]; then
+			printf '%s\n' "$comment"
+		else
+			printf '\t%s\t%s\n' "$(echo "$var"|expand_variables)" "$comment"
+		fi
+	done
+	rm -- "$tmp"
+}
+
+##
+# Usage: conffile FILE
+##
+conffile() {
+	echo "$HOME/.wmii-hg/$1"
+}