improved svn version define regeneration

git-svn-id: http://subversion.jackaudio.org/jack/jack2/trunk/jackmp@2850 0c269be4-1314-0410-8aa9-9f06e86f4224

1 files changed, 52 insertions, 0 deletions

diff --git a/svnversion_regenerate.sh b/svnversion_regenerate.sh
new file mode 100755
index 00000000..be3864d1
--- /dev/null
+++ b/svnversion_regenerate.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+
+#set -x
+
+if test $# -ne 1 -a $# -ne 2
+then
+  echo "Usage: "`basename "$0"`" <file> [define_name]"
+  exit 1
+fi
+
+OUTPUT_FILE="`pwd`/${1}"
+TEMP_FILE="${OUTPUT_FILE}.tmp"
+
+#echo svnversion...
+#pwd
+#echo $OUTPUT_FILE
+#echo $TEMP_FILE
+
+pushd .. > /dev/null
+
+if test $# -eq 2
+then
+  DEFINE=${2}
+else
+  DEFINE=SVN_VERSION
+fi
+
+REV=`svnversion 2> /dev/null`
+if test -z ${REV}
+then
+  REV="unknown"
+fi
+
+echo "#define ${DEFINE} \"${REV}\"" > ${TEMP_FILE}
+if test ! -f ${OUTPUT_FILE}
+then
+  echo "Generated ${OUTPUT_FILE} (r${REV})"
+  cp ${TEMP_FILE} ${OUTPUT_FILE}
+  if test $? -ne 0; then exit 1; fi
+else
+  if ! cmp -s ${OUTPUT_FILE} ${TEMP_FILE}
+  then echo "Regenerated ${OUTPUT_FILE} (r${REV})"
+    cp ${TEMP_FILE} ${OUTPUT_FILE}
+    if test $? -ne 0; then exit 1; fi
+  fi
+fi
+
+popd > /dev/null
+
+rm ${TEMP_FILE}
+
+exit $?