From a8374a19161f7a8d09309da730aa786ca773789f Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Sat, 12 Jul 2008 22:48:58 +0000
Subject: whitespace fixing script

---
 scripts/fix_ws.sh | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100755 scripts/fix_ws.sh

(limited to 'scripts')

diff --git a/scripts/fix_ws.sh b/scripts/fix_ws.sh
new file mode 100755
index 000000000..89fce959a
--- /dev/null
+++ b/scripts/fix_ws.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+# Whitespace fixer
+# Usage: fix_ws [dir]...
+
+temp="/tmp/fix_ws.$$.$RANDOM"
+
+# Using $'xxx' bashism
+begin8sp_tab=$'s/^        /\t/'
+beginchar7sp_chartab=$'s/^\\([^ \t]\\)       /\\1\t/'
+tab8sp_tabtab=$'s/\t        /\t\t/g'
+tab8sptab_tabtabtab=$'s/\t        \t/\t\t\t/g'
+begin17sptab_tab=$'s/^ \\{1,7\\}\t/\t/'
+tab17sptab_tabtab=$'s/\t \\{1,7\\}\t/\t\t/g'
+trailingws_=$'s/[ \t]*$//'
+
+#>fix_ws.diff
+
+find "$@" -type f \
+| while read name; do
+    test "YES" = "${name/*.bz2/YES}" && continue
+    test "YES" = "${name/*.gz/YES}" && continue
+    test "YES" = "${name/*.png/YES}" && continue
+    test "YES" = "${name/*.gif/YES}" && continue
+    test "YES" = "${name/*.jpg/YES}" && continue
+    test "YES" = "${name/*.diff/YES}" && continue
+    test "YES" = "${name/*.patch/YES}" && continue
+    # shell testsuite entries are not to be touched too
+    test "YES" = "${name/*.right/YES}" && continue
+
+    if test "YES" = "${name/*.[ch]/YES}" \
+	-o "YES" = "${name/*.sh/YES}" \
+	-o "YES" = "${name/*.txt/YES}" \
+	-o "YES" = "${name/*.html/YES}" \
+	-o "YES" = "${name/*.htm/YES}" \
+	-o "YES" = "${name/*Makefile*/YES}" \
+	-o "YES" = "${name/*Kbuild*/YES}" \
+	-o "YES" = "${name/*Config.in*/YES}" \
+    ; then
+    # More aggressive whitespace fixes for known file types
+	echo "Formatting: $name" >&2
+	cat "$name" \
+	| sed -e "$tab8sptab_tabtabtab" -e "$tab8sptab_tabtabtab" \
+	      -e "$tab8sptab_tabtabtab" -e "$tab8sptab_tabtabtab" \
+	| sed "$begin17sptab_tab" \
+	| sed -e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \
+	      -e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \
+	      -e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \
+	| sed "$trailingws_"
+    else
+    # Only remove trailing WS for the rest
+	echo "Removing trailing whitespace: $name" >&2
+	cat "$name" \
+	| sed "$trailingws_"
+    fi >"$temp"
+
+#    diff -u "$temp" "$name" >>fix_ws.diff
+
+    # Conserve mode/symlink:
+    cat "$temp" >"$name"
+done
+rm "$temp" 2>/dev/null
-- 
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