From f15c323397f87b978f4057eb1462efcbf487493a Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Date: Mon, 5 Dec 2016 09:41:41 -0200
Subject: [PATCH] scripts: add a script to check if Documentation/00-INDEX is
 sane

It is easy to forget adding/removing entries at the
Documentation/00-INDEX file. In a matter of fact, even before
ReST conversion, people use to forget adding things here, as
there are lots of missing stuff out there.

Now that we're doing a hard work converting entries to ReST,
and while this hole file is not outdated, it is good to have
some tool that would help to verify that this file is kept
updated.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
---
 scripts/check_00index.sh | 66 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100755 scripts/check_00index.sh

diff --git a/scripts/check_00index.sh b/scripts/check_00index.sh
new file mode 100755
index 000000000000..6ac9527aeddb
--- /dev/null
+++ b/scripts/check_00index.sh
@@ -0,0 +1,66 @@
+#!/bin/bash
+
+cd Documentation/
+
+# Check entries that should be removed
+
+obsolete=""
+for i in $(tail -n +12 00-INDEX |grep -E '^[a-zA-Z0-9]+'); do
+	if [ ! -e $i ]; then
+		obsolete="$obsolete $i"
+	fi
+done
+
+# Check directory entries that should be added
+search=""
+dir=""
+for i in $(find . -maxdepth 1 -type d); do
+	if [ "$i" != "." ]; then
+		new=$(echo $i|perl -ne 's,./(.*),$1/,; print $_')
+		search="$search $new"
+	fi
+done
+
+for i in $search; do
+	if [ "$(grep -P "^$i" 00-INDEX)" == "" ]; then
+		dir="$dir $i"
+	fi
+done
+
+# Check file entries that should be added
+search=""
+file=""
+for i in $(find . -maxdepth 1 -type f); do
+	if [ "$i" != "./.gitignore" ]; then
+		new=$(echo $i|perl -ne 's,./(.*),$1,; print $_')
+		search="$search $new"
+	fi
+done
+
+for i in $search; do
+	if [ "$(grep -P "^$i\$" 00-INDEX)" == "" ]; then
+		file="$file $i"
+	fi
+done
+
+# Output its findings
+
+echo -e "Documentation/00-INDEX check results:\n"
+
+if [ "$obsolete" != "" ]; then
+	echo -e "- Should remove those entries:\n\t$obsolete\n"
+else
+	echo -e "- No obsolete entries\n"
+fi
+
+if [ "$dir" != "" ]; then
+	echo -e "- Should document those directories:\n\t$dir\n"
+else
+	echo -e "- No new directories to add\n"
+fi
+
+if [ "$file" != "" ]; then
+	echo -e "- Should document those files:\n\t$file"
+else
+	echo "- No new files to add"
+fi
-- 
2.39.5