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authorJörg Frings-Fürst <debian@jff-webhosting.net>2020-03-30 21:30:45 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2020-03-30 21:30:45 +0200
commitee770c2346eb37e0dcb8b6cf3eaacf3d8efd6bbc (patch)
tree58f05092be1a17a939e861f8cadcda1b6ca2ecef /tools/style-check.sh
parent0da9e21872802cfc6e975b1ebaf9efb9e5934d84 (diff)
parentfef76e17ed4c607ea73b81279f9ef1d7121be900 (diff)
Merge branch 'release/experimental/1.0.29-1_experimental1'experimental/1.0.29-1_experimental1
Diffstat (limited to 'tools/style-check.sh')
-rwxr-xr-xtools/style-check.sh99
1 files changed, 99 insertions, 0 deletions
diff --git a/tools/style-check.sh b/tools/style-check.sh
new file mode 100755
index 0000000..479f7bb
--- /dev/null
+++ b/tools/style-check.sh
@@ -0,0 +1,99 @@
+#!/bin/sh -u
+# tools/style-check.sh -- for conformance or --fix to conform
+# Copyright (C) 2017 Olaf Meeuwissen
+#
+# License: GPL-3.0+
+
+check_final_newline() {
+ test x = "x$(tail -c 1 $1)"
+}
+
+insert_final_newline() {
+ check_final_newline $1 || echo >> $1
+}
+
+check_trailing_whitespace() {
+ test -z "$(sed -n '/[ \t]$/{p;q}' $1)"
+}
+
+trim_trailing_whitespace() {
+ sed -i 's/[ \t]*$//' $1
+}
+
+check_trailing_blank_lines() {
+ test -z "$(sed -n '${/^$/s/^/blank/p}' $1)"
+}
+
+trim_trailing_blank_lines() {
+ sed -i -e :a -e '/^\n*$/{$d;N;};/\n$/ba' $1
+}
+
+check_leading_blank_lines() {
+ test -z "$(sed -n '1{/^$/s/^/blank/p;q}' $1)"
+}
+
+trim_leading_blank_lines() {
+ sed -i '/./,$!d' $1
+}
+
+check_utf_8_charset() {
+ err=$(iconv -f utf-8 -t utf-8 < $1 2>&1 > /dev/null)
+ if test x != "x$err"; then
+ echo "charset not UTF-8: $1" >&2
+ echo "$err" >&2
+ return 1
+ fi
+}
+
+fix=false
+case $1 in
+ --fix) fix=true; shift;;
+esac
+
+status=0
+for file in "$@"; do
+ test -d $file && continue # skip directories, just in case
+ file=$(echo $file | sed 's,^\.\/,,')
+ case $file in
+ COPYING) ;; # hands off of the GPL
+ *.gif) ;; # don't touch image files
+ *.jpg) ;;
+ *.png) ;;
+ *.pnm) ;;
+ *.patch) ;; # patch output may have trailing lines or whitespace
+ Makefile.in) ;; # skip automake outputs
+ */Makefile.in) ;;
+ aclocal.m4) ;; # skip autoconf outputs
+ include/sane/config.h.in) ;;
+ m4/libtool.m4) ;; # courtesy of libtool
+ m4/lt~obsolete.m4) ;;
+ ABOUT-NLS) ;; # courtesy of gettext
+ doc/doxygen-*.conf.in) ;; # don't fix doxygen -g comments
+
+ *)
+ if `$fix`; then
+ trim_trailing_whitespace $file
+ insert_final_newline $file
+ trim_trailing_blank_lines $file
+ else
+ if ! check_trailing_whitespace $file; then
+ status=1
+ echo "trailing whitespace: $file" >&2
+ fi
+ if ! check_final_newline $file; then
+ status=1
+ echo "final newline missing: $file" >&2
+ fi
+ if ! check_trailing_blank_lines $file; then
+ status=1
+ echo "trailing blank lines: $file" >&2
+ fi
+ if ! check_utf_8_charset $file; then
+ status=1
+ fi
+ fi
+ ;;
+ esac
+done
+
+exit $status