1 files changed, 102 insertions, 0 deletions
diff --git a/chvers.sh b/chvers.sh
new file mode 100755
index 0000000..2d4b8f2
--- /dev/null
+++ b/chvers.sh
@@ -0,0 +1,102 @@
+#!/bin/sh
+#
+#   Copyright (c)  2000, 2001		Dmitry Butskoy
+#					<buc@citadel.stu.neva.ru>
+#   License:  GPL v2 or any later
+#
+#   See COPYING for the status of this software.
+#
+
+#
+#   Change version script.
+#   Normally invoked by a Makefile.
+#
+#   Changes version info in directory name, in VERSION file
+#   and rpm spec file (if some of these are used).
+#
+#   `release3' changes:		0.2.7 --> 0.2.8
+#   `release2' changes:		0.2.7 --> 0.3.0
+#   `release1' changes:		0.2.7 --> 1.0.0
+#   etc.
+#   `release' without a digit increment the last number used.
+#
+#
+
+
+[ $# -lt 1 ] && {
+	echo "Usage: $0 release[123...0]" >&2
+	exit 2
+}
+
+level=`expr $1 : '.*\([0-9]\)$'`
+[ -z "$level" ] && level=0
+
+main_dir=`basename \`pwd\``
+
+
+#  Find current version info.
+
+dir_v=""
+file_v=""
+
+dir_v=`expr $main_dir : '.*-\([0-9.]*\)$'`
+[ -r VERSION ] && file_v=`awk '/^ *#/ { print $3 ; exit; }
+			/^ *VERSION *=/ {split ($0, a, "="); print a[2]; exit; }
+			{ print $0; exit; }' < VERSION `
+[ -n "$file_v" ] && file_v=`echo $file_v `	#  to strip possible spaces
+
+[ -z "$file_v" -a -z "$dir_v" ] && {
+	echo "$0: Cannot determine version (use dirname postfix or VERSION file)" >&2
+	exit 2
+}
+
+[ -n "$file_v" -a -n "$dir_v" -a "$dir_v" != "$file_v" ] && {
+	echo "$0: Different version from dirname postfix and VERSION file" >&2
+	exit 2
+}
+
+version="$dir_v"
+[ -z "$version" ] && version="$file_v"
+
+
+#  Increment current version, as specified by level.
+
+new_version=`echo $version | awk '{ 
+	level = '"$level"';
+	n = split ($0, a, ".");
+	if (level == 0)  level = n;
+	for (i = 1; i <= n; i++) {
+	    if (i == level)  a[i] = a[i] + 1 ;
+	    else if (i > level)  a[i] = 0 ;
+	}
+	str = a[1]
+	for (i = 2; i <= n; i++)  str = str "." a[i]
+	print str
+}' 2>/dev/null `
+
+
+#  Adjust VERSION file, if any.
+
+#  it is ugly, because $version contains dots...
+[ -n "$file_v" ] && {
+	sed "s/$version/$new_version/" < VERSION > VERSION.new && mv -f VERSION.new VERSION
+}
+
+#  Adjust rpm .spec file, if any.
+for spec in *.spec
+do
+    [ -f $spec ] || continue
+
+    grep '^Version:[ 	]*'"$version" $spec >/dev/null 2>&1 || continue
+    sed '/^Version:[ 	]*'"$version/ s/$version/$new_version/" < $spec > ${spec}.new && mv -f ${spec}.new $spec
+done
+ 
+
+#  Adjust dirname postfix, if any.
+
+[ -n "$dir_v" ] && {
+    base=`expr \`pwd\` : '^\(.*\)-'"$version"'$' `
+    mv -f ${base}-$version ${base}-$new_version
+}
+
+exit 0