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q3rally/engine/resync_svn.sh

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#!/bin/sh
#
# Creates a patch in the current directory to resync a branched
# working copy to a newer revision of a main Subversion Repository.
#
# Created to resync standalone games based on ioquake3 (ioq3).
# (Such as Turtle Arena, Smokin' Guns, and many more)
#
# ~ZTurtleMan
#
#
# Most of the variables that are used are listed below.
#
# Show usage; 1 = show full usage, 2 = show mini usage
USAGE=0
# For command line parsing
NEXT_ARG=""
# Revisions
HEAD_REV=""
CURRENT_REV=""
DEFAULT_RESYNC_REV="HEAD"
# Name of the main branch
DEFAULT_MAINNAME="Main"
# Default SVN path to create the patch/log from
DEFAULT_SVN_PATH="svn://svn.example.com/trunk"
# Magic tokens in $CFGFILE
# "MAIN_REVISION = current-revision"
DEFAULT_MAINREVISION="MAIN_REVISION"
# "MAIN_SVN = svn path"
DEFAULT_MAINSVN="MAIN_SVN"
# True if config file was used to get current revision
USED_CFGFILE=0
# Name of local file where "$MAINREVISION = ..." is stored.
CFGFILE="Makefile"
# Patch/log prefix, followed by '${CURRENT_REV}to$RESYNC_REV.ext'
DEFAULT_OUTPREFIX="resync_"
APPLY_PATCH=0
SAVE_LOG=1
#
# ioquake3 resync specfic
#
DEFAULT_MAINNAME="ioquake3"
# Default SVN path
DEFAULT_SVN_PATH="https://github.com/ioquake/ioq3/trunk/"
# Magic tokens
DEFAULT_MAINREVISION="IOQ3_REVISION"
# For consistency...
DEFAULT_MAINSVN="IOQ3_SVN"
# Set to the default value
MAINREVISION=$DEFAULT_MAINREVISION
MAINSVN=$DEFAULT_MAINSVN
RESYNC_REV=$DEFAULT_RESYNC_REV
OUTPREFIX=$DEFAULT_OUTPREFIX
MAINNAME=$DEFAULT_MAINNAME
#
# Read command line arguments
#
for ARG in `echo $*`
do
#
# Single argument options
#
if [ "$ARG" = "--help" ] || [ "$ARG" = "-help" ] || [ "$ARG" = "-h" ]
then
USAGE=1
break
fi
if [ "$ARG" = "--apply-patch" ]
then
APPLY_PATCH=1
continue
fi
if [ "$ARG" = "--no-log" ]
then
SAVE_LOG=0
continue
fi
#
# Arguments that have a token after it
#
if [ "$ARG" = "--svn" ] || [ "$ARG" = "--current-rev" ] || [ "$ARG" = "--resync-rev" ] || [ "$ARG" = "--cfgfile" ] || [ "$ARG" = "--svn-token" ] || [ "$ARG" = "--rev-token" ] || [ "$ARG" = "--prefix" ] || [ "$ARG" = "--mainname" ]
then
NEXT_ARG="$ARG"
continue
fi
case "$NEXT_ARG" in
--svn)
SVN_PATH="$ARG"
;;
--current-rev)
CURRENT_REV="$ARG"
;;
--resync-rev)
RESYNC_REV="$ARG"
;;
--cfgfile)
CFGFILE="$ARG"
;;
--svn-token)
MAINSVN="$ARG"
;;
--rev-token)
MAINREVISION="$ARG"
;;
--prefix)
OUTPREFIX="$ARG"
;;
--mainname)
MAINNAME="$ARG"
;;
*)
echo "Unknown argument '$ARG'"
USAGE=2
;;
esac
NEXT_ARG=""
done
# Check for missing ARG!
if [ "$NEXT_ARG" != "" ] && [ ! "$USAGE" -eq 1 ]
then
echo "Error: Missing ARG for $NEXT_ARG!"
USAGE=2
fi
# Check for missing current revision!
if [ "$CURRENT_REV" = "" ] && [ "$CFGFILE" = "" ] && [ ! "$USAGE" -eq 1 ]
then
echo "$0: you have to specify the current revision"
USAGE=2
fi
# Check for missing config file!
if [ ! "$CFGFILE" = "" ] && [ ! -f "$CFGFILE" ] && [ ! "$USAGE" -eq 1 ]
then
echo "$0: you have to specify a existing readable/writable file."
USAGE=2
fi
#
# Show usage, the user asked to see it.
#
if [ $USAGE -eq 1 ]
then
echo "Usage: $0 OPTIONS... CURRENTREV..."
echo " Creates a patch in the current directory to resync a branched"
echo " working copy to a newer revision of a main Subversion Repository."
echo ""
echo " CURRENTREV"
echo " You must pass ether --current-rev [rev] or --cfgfile [file]"
echo ""
echo " OPTIONS"
echo " --help Show this help"
echo " -help"
echo " -h"
echo " --apply-patch apply patch, otherwise just download"
echo " --no-log don't save svn log file"
echo " --svn [text] path to main Subversion Repository"
echo " (default: $DEFAULT_SVN_PATH)"
echo " --current-rev [rev] branched off revision from main svn"
echo " --resync-rev [rev] resync to main svn at revision (default: $DEFAULT_RESYNC_REV)"
echo " --cfgfile [file] file to get config from"
echo " '$DEFAULT_MAINSVN = svn path'"
echo " '$DEFAULT_MAINREVISION = current-revision'"
echo " $DEFAULT_MAINREVISION is updated when --apply-patch is used"
echo " --svn-token [text] set token for --cfgfile to find svn path"
echo " (default: $DEFAULT_MAINSVN)"
echo " --rev-token [text] set token for --cfgfile to find current-revision"
echo " (default: $DEFAULT_MAINREVISION)"
echo " --prefix [text] prefix for output patch and log files"
echo " (default: $DEFAULT_OUTPREFIX)"
echo " --mainname [text] name of the main branch, for log"
echo " (default: $DEFAULT_MAINNAME)"
echo " [rev] requires integer or 'HEAD'"
exit 1
fi
#
# Mini usage message for miss formated command.
#
if [ $USAGE -eq 2 ]
then
echo "Try \`$0 --help' for more information."
exit 1
fi
#
# Set SVN_PATH (if not passed on command line)
#
if [ "$SVN_PATH" = "" ]
then
# Get svn path from $CFGFILE
if [ -f "$CFGFILE" ]
then
SVN_PATH=`grep "$MAINSVN =" "$CFGFILE" | cut -f3 -d' '`
fi
# Check if found the svn path
if [ "$SVN_PATH" = "" ]
then
SVN_PATH=$DEFAULT_SVN_PATH
fi
fi
#
# Set current revision (if not passed on command line)
#
if [ "$CURRENT_REV" = "" ]
then
# Get current revision from $CFGFILE
if [ -f "$CFGFILE" ]
then
CURRENT_REV=`grep "$MAINREVISION =" "$CFGFILE" | cut -f3 -d' '`
fi
# Check if found the current revision
if [ "$CURRENT_REV" != "" ]
then
USED_CFGFILE=1
else
echo "$0 error: failed to find $MAINREVISION in $CFGFILE."
exit 1
fi
fi
# Change "HEAD" to integer!
# Get the HEAD svn log (Which has the revision number),
# ------------------------------------------------------------------------
# r1754 | tjw | 2009-12-08 16:36:48 -0600 (Tue, 08 Dec 2009) | 2 lines
#
# * build the dedicated server with voip support (benmachine)
#
# ------------------------------------------------------------------------
# We only want the line with the revision,
# r1754 | tjw | 2009-12-08 16:36:48 -0600 (Tue, 08 Dec 2009) | 2 lines
# The revision nubmer is in the first field, ...
# r1754
# Cut characters after 'r' through end!
# 1754
HEAD_REV=`svn log $SVN_PATH -rHEAD | grep "^r[0-9]" | cut -f1 -d' ' | cut -c 2-`
# There are some places we can't use "HEAD" so just use the integer.
if [ "$CURRENT_REV" = "HEAD" ]
then
CURRENT_REV=$HEAD_REV
fi
if [ "$CURRENT_REV" -eq "$HEAD_REV" ]
then
# Were already up to date!
exit 0
fi
# CURRENT_REV can't be more than the HEAD_REV
if [ "$CURRENT_REV" -gt "$HEAD_REV" ]
then
echo "$0 error: current revision can't be greater than the HEAD revision."
exit 1
fi
if [ "$RESYNC_REV" = "HEAD" ]
then
RESYNC_REV=$HEAD_REV
fi
# RESYNC_REV must be more than the CURRENT_REV
if [ ! "$RESYNC_REV" -gt "$CURRENT_REV" ]
then
echo "$0 error: resync revision must be more then the current revision."
exit 1
fi
if [ "$RESYNC_REV" -gt "$HEAD_REV" ]
then
echo "$0 error: resync revision can't be greater than the HEAD revision."
exit 1
fi
#
# Create patch
#
PATCH="$OUTPREFIX${CURRENT_REV}to$RESYNC_REV.patch"
PATCH_NOBINARY="$OUTPREFIX${CURRENT_REV}to$RESYNC_REV-nobinary.patch"
# Get patch from CURRENT_REV to RESYNC_REV in $SVN_PATH
if [ ! -f "$PATCH" ] ; then
svn diff $SVN_PATH@$CURRENT_REV $SVN_PATH@$RESYNC_REV > $PATCH
fi
binaryChanges=`grep -e "Index: .*\.a" -e "Index: .*\.dll" -e "Index: .*\.dylib" $PATCH`
if [ "x$binaryChanges" != "x" ]
then
binaryChanges=`echo "$binaryChanges" | sed 's/Index: //g'`
echo "Patch has binary files which need to be manually updated."
echo "You need to manually remove their diff sections from patch too."
echo
echo "$binaryChanges"
echo
# filter diff creates a broken patch
#if [ ! -f "$PATCH_NOBINARY" ] ; then
# filterdiff -x "*.a" -x "*.dll" -x "*.dylib" $PATCH > $PATCH_NOBINARY
#fi
fi
#
# Output svn log messages
#
if [ "$SAVE_LOG" -eq 1 ]
then
LOG="$OUTPREFIX${CURRENT_REV}to$RESYNC_REV.log"
if [ ! -f "$LOG" ] ; then
echo "$MAINNAME resync to revision $RESYNC_REV from $CURRENT_REV.\n" > $LOG
svn log $SVN_PATH -r "`expr $CURRENT_REV + 1`:$RESYNC_REV" | grep -v "^$" \
| grep -v "^------*$" | grep -v "| [0-9]* lines$" \
| grep -v "| 1 line$" >> $LOG
echo "\n\nLog Messages: (Full)\n" >> $LOG
svn log $SVN_PATH -r "`expr $CURRENT_REV + 1`:$RESYNC_REV" >> $LOG
fi
fi
#
# Apply patch
#
if [ "$APPLY_PATCH" -eq 1 ]
then
if [ -f "$PATCH_NOBINARY" ]
then
APPLY_PATCH_FILE=$PATCH_NOBINARY
else
APPLY_PATCH_FILE=$PATCH
fi
#
# Apply patch
#
# TODO: Can I check the return value to see if patching failed? (So I can tell user to fix it manually)
#
# Only shows warnings/errors about failed patching [a existing file].
patch -p0 -i $APPLY_PATCH_FILE | grep -v "patching file" | grep -v "Hunk #"
#
# Remove patch?
# We shouldn't need it (The failed patch sections are saved as "file-to-patch-with-ext.rej",
# unless there is no source to patch.
#
#rm $PATCH
#rm $PATCH_NOBINARY
if [ "$USED_CFGFILE" -eq 1 ]
then
#
# Update '$MAINREVISION =' in $CFGFILE
#
sed "s/$MAINREVISION = $CURRENT_REV/$MAINREVISION = $RESYNC_REV/" $CFGFILE > $CFGFILE.temp
rm $CFGFILE
mv $CFGFILE.temp $CFGFILE
fi
fi
# Finish!
exit 0
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