From ae68ff085724dd35d60151bd153e80b8b0776873 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Tue, 27 May 1997 12:40:11 +0000
Subject: Initial revision

---
 doc/tools/update | 215 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 215 insertions(+)
 create mode 100644 doc/tools/update

(limited to 'doc/tools/update')

diff --git a/doc/tools/update b/doc/tools/update
new file mode 100644
index 0000000000..284bb3f2b2
--- /dev/null
+++ b/doc/tools/update
@@ -0,0 +1,215 @@
+#!/bin/ksh
+#
+# update,v 1.2 1995/05/31 17:20:58 joel Exp
+#
+# Either bash or ksh will be ok for this; requires 'test -ot'
+#  (-p above just says to not parse $ENV file; makes it faster for
+#   those of us who set $ENV)
+#
+#
+# NOTE
+#
+#   This is potentially a very dangerous program.
+
+# progname=`basename $0`
+progname=${0##*/}        # fast basename hack for ksh, bash
+
+USAGE=\
+"
+usage: $progname [ -vs ] [ -b base_directory ] [-p file] [-f] [files...]
+	-v	    -- verbose
+	-p	    -- file with replacement instructions
+	-s	    -- skip prompt for backup verification
+	-f	    -- do files at end of line
+
+base_directory is the root directory of the source code to update.  It
+defaults to the current directory.
+
+This program updates C, H, and .inl files.
+"
+
+fatal() {
+    if [ "$1" ]
+    then
+        echo    >&2
+        echo $* >&2
+        echo    >&2
+    fi
+    echo "$USAGE" 1>&2
+    exit 1
+}
+
+#
+#  KLUDGE to figure out at runtime how to echo a line without a
+#  newline.
+#
+count=`echo "\\c" | wc -c`
+if [ ${count} -ne 0 ] ; then
+  EARG="-n"
+  EOL=""
+else
+  EARG=""
+  EOL="\\c"
+fi
+
+#
+#  Function to make sure they do a backup
+#
+
+WARNING=\
+"
+
+*******************************************************************************
+*******************************************************************************
+*******************************************************************************
+****                                                                       ****
+****        WARNING!!!          WARNING!!!           WARNING!!!            ****
+****                                                                       ****
+****   ALL SOURCE CODE SHOULD BE BACKED UP BEFORE RUNNING THIS PROGRAM!!   ****
+****                                                                       ****
+****        WARNING!!!          WARNING!!!           WARNING!!!            ****
+****                                                                       ****
+*******************************************************************************
+*******************************************************************************
+*******************************************************************************
+
+"
+
+verify_backup()
+{
+  echo "$WARNING"
+  continue="yes"
+  while [ $continue = "yes" ]
+  do
+echo ${EARG} "Do you wish to update the source tree at this time [y|n]? " ${EOL}
+    read answer
+    case $answer in
+      [yY]*)
+        continue="no"
+        ;;
+      [nN]*)
+        echo
+        echo "Exitting at user request"
+        echo
+        exit 0
+        ;;
+    esac
+  done
+}
+
+#
+#  Default tools to use...
+#
+#  NOTE: The GNU versions of both of these are faster.
+#
+find_prog=find
+xargs_prog=xargs
+
+#
+# process the options
+#
+
+verbose=""
+suffix=""
+mode=""
+base_directory=.
+do_files="no"
+do_prompt="yes"
+replacement_file="${RTEMS_HOME}/update-tools/310_to_320_list"
+
+while getopts sfp:b:v OPT
+do
+    case "$OPT" in
+        v)
+          verbose="yes";;
+        s)
+          do_prompt="no";;
+        b)
+          base_directory=${OPTARG};;
+        p)
+          replacement_file=${OPTARG};;
+        f)
+          do_files="yes";;
+        *)
+          fatal
+    esac
+done
+
+let $((shiftcount = $OPTIND - 1))
+shift $shiftcount
+
+args=$*
+
+#
+#  Make sure they have done a backup
+#
+
+if [ ${do_prompt} = "yes" ]
+then
+  verify_backup
+fi
+
+#
+# Validate the base directory
+#
+
+if [ ! -d $base_directory ]
+then
+    fatal "${base_directory} does not exist"
+fi
+
+#
+# Validate the replacement file
+#
+
+if [ ! -r $replacement_file ]
+then
+    fatal "${replacement_file} does not exist or is not readable"
+fi
+
+
+#
+#  Verify enough of the RTEMS environment variables are set
+#
+
+if [ ! -d "${RTEMS_HOME}" ]
+then
+    fatal "RTEMS_HOME environment variable is not initialized"
+fi
+
+#
+# Update the files
+#
+
+generate_list()
+{
+  if [ ${do_files} = "yes" ]
+  then
+    for i in $args
+    do
+      echo $i
+    done
+  else
+    ${find_prog} ${base_directory} \(  -name "*.[ch]" -o -name "*.inl" \) -print
+  fi
+}
+
+generate_list | ${xargs_prog} |
+  while read line
+  do
+    ${RTEMS_HOME}/update-tools/word-replace -p ${replacement_file} ${line}
+    if [ $? -ne 0 ]
+    then
+      exit 1
+    fi
+    for file in ${line}
+    do
+      mv ${file}.fixed ${file}
+    done
+  done
+
+exit 0
+
+# Local Variables: ***
+# mode:ksh ***
+# End: ***
-- 
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