1 files changed, 80 insertions, 0 deletions
diff --git a/tools/checkadoc-repeat.sh b/tools/checkadoc-repeat.sh
new file mode 100755
index 0000000..223d647
--- /dev/null
+++ b/tools/checkadoc-repeat.sh
@@ -0,0 +1,80 @@
+#!/bin/bash
+
+set -e		# exit on errors
+set -o pipefail	# exit if pipe writer fails
+set -u		# disallow usage of unset variables
+set -C		# disallow redirection file overwriting
+SCRIPT_INVOCATION_SHORT_NAME=$(basename ${0})
+trap 'echo "${SCRIPT_INVOCATION_SHORT_NAME}: exit on error"; exit 1' ERR
+
+usage() {
+	echo "Usage: ${0} [-vVh]"
+	echo " -h  print this help and exit"
+}
+
+VERBOSE='false'
+while getopts vVh OPTIONS; do
+	case ${OPTIONS} in
+		h)
+			usage
+			exit 0
+			;;
+		*)
+			usage
+			exit 1
+	esac
+done
+
+# Try to find missing manuals matching build targets with manual files.
+declare -A ADOC_LIST
+
+declare -i COUNT_REPEATS=0
+declare -a REPEATS
+declare -A KNOWN_REPEATS
+KNOWN_REPEATS[mount.8.adoc]='foo l2 l c overlay'
+KNOWN_REPEATS[hexdump.1.adoc]='l'
+KNOWN_REPEATS[flock.1.adoc]='"$0"'
+KNOWN_REPEATS[switch_root.8.adoc]='$DIR'
+KNOWN_REPEATS[logger.1.adoc]='-'
+KNOWN_REPEATS[unshare.1.adoc]='1000 0 1'
+
+remove_repeats()
+{
+	set +u
+	for KN in ${KNOWN_REPEATS[${I##*/}]}; do
+		if [ "${KN}" = "${REPEATS[$1]}" ]; then
+			if $VERBOSE; then
+				echo "info: ${I} removing repeat: ${REPEATS[$1]}"
+			fi
+			unset REPEATS[$1]
+		fi
+	done
+	set -u
+}
+
+cd $(git rev-parse --show-toplevel)
+
+for I in $(
+	find . -type f -name '*[[:alpha:]].[1-8].adoc' |grep -v "autom4te.cache\|\.libs/\|\.git"
+); do
+	ADOC_FILE=${I##*/}
+	ADOC_LIST[${ADOC_FILE%%.[0-9]}]=1
+
+	REPEATS=( $(cat ${I} |
+		col -b |
+		sed  -e 's/\/\/\/\///g; s/\.\.\.\.//g;' |
+		awk 'BEGIN { p="" } { if (0 < length($0)) { if (p == $0) { print } } p = $0 }') )
+	if [ 0 -lt "${#REPEATS[@]}" ]; then
+		ITER=${#REPEATS[@]}+1
+		while ((ITER--)); do
+			remove_repeats ${ITER}
+		done
+		if [ 0 -lt "${#REPEATS[@]}" ]; then
+			echo "warning: ${I} has repeating words: ${REPEATS[@]}"
+			echo "=================================================="
+			((++COUNT_REPEATS))
+		fi
+	fi
+done
+
+exit 0