2005-10-26 Daniel Berlin <dberlin@dberlin.org>

[pf3gnuchains/gcc-fork.git] / maintainer-scripts / update_version

diff --git a/maintainer-scripts/update_version b/maintainer-scripts/update_version
index 2b3362e..2217052 100755 (executable)
--- a/maintainer-scripts/update_version
+++ b/maintainer-scripts/update_version
@@ -1,7 +1,15 @@
-#!/bin/sh 
+#!/bin/sh
+#
+# Update the current version date in all files in the tree containing
+# it.  Consider all release branches except those matching the regular
+# expression in $IGNORE_BRANCHES, and also consider those branches listed
+# in $ADD_BRANCHES.
 
-# Run this from /tmp.
 CVSROOT=${CVSROOT:-/cvs/gcc}
+IGNORE_BRANCHES='gcc-(2_95|3_0|3_1|3_2|3_3)-branch'
+ADD_BRANCHES='HEAD autovect-branch dfp-branch'
+
+# Run this from /tmp.
 export CVSROOT
 /bin/rm -rf /tmp/$$
 /bin/mkdir /tmp/$$
@@ -14,30 +22,37 @@ CVS=${CVS:-/usr/local/bin/cvs}
 $CVS co gcc/ChangeLog
 BRANCHES=`$CVS status -v gcc/ChangeLog \
           | awk '{print $1;}' \
-          | egrep 'gcc-[0-9]+_[0-9]+-branch$'`
+          | egrep 'gcc-[0-9]+_[0-9]+-branch$' \
+          | egrep -v $IGNORE_BRANCHES`
 # Always update the mainline.
-BRANCHES="${BRANCHES} HEAD"
+BRANCHES="${BRANCHES} ${ADD_BRANCHES}"
 
 # ARGS is passed to 'cvs co'
 CURR_DATE=`/bin/date +"%Y%m%d"`
 
 # version is contained within a char*
-textstring_FILES="gcc/gcc/version.c gcc/gcc/f/version.c gcc/libf2c/libF77/Version.c gcc/libf2c/libI77/Version.c gcc/libf2c/libU77/Version.c"
+textstring_FILES="gcc/gcc/version.c"
 
 # version is contained within a #define
 cppdefine_FILES="gcc/libstdc++-v3/include/bits/c++config"
 
+# version is all there is
+datestamp_FILES="gcc/gcc/DATESTAMP"
+
+FILES="$textstring_FILES $cppdefine_FILES $datestamp_FILES"
+
 # Assume all will go well.
 RESULT=0
 
 for BRANCH in $BRANCHES; do
+  echo "Working on \"$BRANCH\"."
   # Check out the files on the branch.  HEAD is a special case; if
   # you check out files with -r HEAD, CVS will not let you check 
   # in changes.
   if test "$BRANCH" = HEAD; then 
-    ${CVS} co $textstring_FILES $cppdefine_FILES
+    ${CVS} co $FILES
   else
-    ${CVS} co -r $BRANCH $textstring_FILES $cppdefine_FILES
+    ${CVS} co -r $BRANCH $FILES
   fi
 
   # There are no files to commit yet.
@@ -45,23 +60,42 @@ for BRANCH in $BRANCHES; do
 
   for file in $textstring_FILES; do
     if test -f $file; then 
-      OLD_VERSION=`/bin/cat $file`
-      /bin/sed -e "s/\(.*\"[^ ]*\) [0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/\1 ${CURR_DATE}/" >${file} <<HERE
-        $OLD_VERSION
-HERE
-
-      COMMIT_FILES="$COMMIT_FILES $file"
+      /bin/sed  <$file >$file.new -e \
+  "s/\(.*\"[^ ]*\) [0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/\1 ${CURR_DATE}/" 
+
+      if /usr/bin/cmp -s $file $file.new; then
+       rm -f $file.new
+      else
+       mv -f $file.new $file
+        COMMIT_FILES="$COMMIT_FILES $file"
+      fi
     fi
   done
 
   for file in $cppdefine_FILES; do
-    if test -f $file; then 
-      OLD_VERSION=`/bin/cat $file`
-      /bin/sed -e "s/\(#.*\) [0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/\1 ${CURR_DATE}/" >${file} <<HERE
-        $OLD_VERSION
-HERE
+    if test -f $file; then
+      /bin/sed <$file >$file.new -e \
+  "s/\(#.*\) [0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]/\1 ${CURR_DATE}/"
+
+      if /usr/bin/cmp -s $file $file.new; then
+       rm -f $file.new
+      else
+       mv -f $file.new $file
+        COMMIT_FILES="$COMMIT_FILES $file"
+      fi
+    fi
+  done
 
-      COMMIT_FILES="$COMMIT_FILES $file"
+  for file in $datestamp_FILES; do
+    if test -f $file; then
+      echo ${CURR_DATE} > $file.new
+
+      if /usr/bin/cmp -s $file $file.new; then
+       rm -f $file.new
+      else
+       mv -f $file.new $file
+        COMMIT_FILES="$COMMIT_FILES $file"
+      fi
     fi
   done
 
@@ -77,4 +111,3 @@ done
 
 /bin/rm -rf /tmp/$$
 exit $RESULT
-