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1 #!/bin/sh |
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2 # |
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3 # Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
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4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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5 # |
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6 # This code is free software; you can redistribute it and/or modify it |
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7 # under the terms of the GNU General Public License version 2 only, as |
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8 # published by the Free Software Foundation. |
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9 # |
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10 # This code is distributed in the hope that it will be useful, but WITHOUT |
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11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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12 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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13 # version 2 for more details (a copy is included in the LICENSE file that |
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14 # accompanied this code). |
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15 # |
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16 # You should have received a copy of the GNU General Public License version |
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17 # 2 along with this work; if not, write to the Free Software Foundation, |
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18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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19 # |
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20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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21 # or visit www.oracle.com if you need additional information or have any |
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22 # questions. |
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23 # |
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24 |
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25 # Script for updating a patch file as per the shuffled/unshuffled source location. |
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26 |
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27 usage() { |
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28 echo "Usage: $0 [-h|--help] [-v|--verbose] <repo> <input_patch> <output_patch>" |
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29 echo "where:" |
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30 echo " <repo> is one of: corba, jaxp, jaxws, jdk, langtools, nashorn" |
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31 echo " [Note: patches from other repos do not need updating]" |
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32 echo " <input_patch> is the input patch file, that needs shuffling/unshuffling" |
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33 echo " <output_patch> is the updated patch file " |
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34 echo " " |
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35 exit 1 |
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36 } |
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37 |
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38 SCRIPT_DIR=`dirname $0` |
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39 UNSHUFFLE_LIST=$SCRIPT_DIR"/unshuffle_list.txt" |
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40 |
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41 if [ ! -f "$UNSHUFFLE_LIST" ] ; then |
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42 echo "FATAL: cannot find $UNSHUFFLE_LIST" >&2 |
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43 exit 1 |
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44 fi |
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45 |
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46 vflag="false" |
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47 while [ $# -gt 0 ] |
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48 do |
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49 case $1 in |
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50 -h | --help ) |
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51 usage |
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52 ;; |
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53 |
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54 -v | --verbose ) |
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55 vflag="true" |
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56 ;; |
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57 |
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58 -*) # bad option |
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59 usage |
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60 ;; |
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61 |
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62 * ) # non option |
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63 break |
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64 ;; |
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65 esac |
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66 shift |
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67 done |
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68 |
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69 # Make sure we have the right number of arguments |
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70 if [ ! $# -eq 3 ] ; then |
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71 echo "ERROR: Invalid number of arguments." >&2 |
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72 usage |
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73 fi |
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74 |
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75 # Check the given repo |
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76 repos="corba jaxp jaxws jdk langtools nashorn" |
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77 repo="$1" |
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78 found="false" |
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79 for r in $repos ; do |
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80 if [ $repo = "$r" ] ; then |
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81 found="true" |
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82 break; |
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83 fi |
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84 done |
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85 if [ $found = "false" ] ; then |
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86 echo "ERROR: Unknown repo: $repo. Should be one of [$repos]." >&2 |
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87 usage |
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88 fi |
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89 |
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90 # Check given input/output files |
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91 input="$2" |
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92 if [ "x$input" = "x-" ] ; then |
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93 input="/dev/stdin" |
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94 fi |
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95 |
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96 if [ ! -f $input -a "x$input" != "x/dev/stdin" ] ; then |
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97 echo "ERROR: Cannot find input patch file: $input" >&2 |
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98 exit 1 |
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99 fi |
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100 |
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101 output="$3" |
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102 if [ "x$output" = "x-" ] ; then |
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103 output="/dev/stdout" |
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104 fi |
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105 |
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106 if [ -f $output -a "x$output" != "x/dev/stdout" ] ; then |
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107 echo "ERROR: Output patch already exists: $output" >&2 |
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108 exit 1 |
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109 fi |
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110 |
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111 what="" ## shuffle or unshuffle |
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112 |
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113 verbose() { |
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114 if [ ${vflag} = "true" ] ; then |
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115 echo "$@" >&2 |
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116 fi |
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117 } |
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118 |
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119 unshuffle() { |
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120 line=$@ |
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121 verbose "Attempting to rewrite: \"$line\"" |
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122 |
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123 # Retrieve the file name |
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124 path= |
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125 if echo "$line" | egrep '^diff' > /dev/null ; then |
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126 if ! echo "$line" | egrep '\-\-git' > /dev/null ; then |
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127 echo "ERROR: Only git patches supported. Please use 'hg export --git ...'." >&2 |
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128 exit 1 |
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129 fi |
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130 path="`echo "$line" | sed -e s@'diff --git a/'@@ -e s@' b/.*$'@@`" |
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131 elif echo "$line" | egrep '^\-\-\-' > /dev/null ; then |
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132 path="`echo "$line" | sed -e s@'--- a/'@@`" |
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133 elif echo "$line" | egrep '^\+\+\+' > /dev/null ; then |
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134 path="`echo "$line" | sed s@'+++ b/'@@`" |
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135 fi |
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136 verbose "Extracted path: \"$path\"" |
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137 |
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138 # Only source can be shuffled, or unshuffled |
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139 if ! echo "$path" | egrep '^src/.*' > /dev/null ; then |
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140 verbose "Not a src path, skipping." |
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141 echo "$line" >> $output |
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142 return |
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143 fi |
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144 |
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145 # Shuffle or unshuffle? |
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146 if [ "${what}" = "" ] ; then |
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147 if echo "$path" | egrep '^src/java\..*|^src/jdk\..*' > /dev/null ; then |
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148 what="unshuffle" |
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149 else |
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150 what="shuffle" |
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151 fi |
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152 verbose "Shuffle or unshuffle: $what" |
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153 fi |
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154 |
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155 # Find the most specific matches in the shuffle list |
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156 matches= |
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157 matchpath="$repo"/"$path"/x |
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158 while [ "$matchpath" != "" ] ; do |
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159 matchpath="`echo $matchpath | sed s@'\(.*\)/.*$'@'\1'@`" |
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160 |
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161 if [ "${what}" = "shuffle" ] ; then |
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162 pattern=": $matchpath$" |
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163 else |
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164 pattern="^$matchpath :" |
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165 fi |
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166 verbose "Attempting to find \"$matchpath\"" |
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167 matches=`egrep "$pattern" "$UNSHUFFLE_LIST"` |
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168 if ! [ "x${matches}" = "x" ] ; then |
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169 verbose "Got matches: [$matches]" |
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170 break; |
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171 fi |
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172 |
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173 if ! echo "$matchpath" | egrep '.*/.*' > /dev/null ; then |
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174 break; |
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175 fi |
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176 done |
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177 |
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178 # Rewrite the line, if we have a match |
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179 if ! [ "x${matches}" = "x" ] ; then |
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180 shuffled="`echo "$matches" | sed -e s@' : .*'@@g -e s@'^[a-z]*\/'@@`" |
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181 unshuffled="`echo "$matches" | sed -e s@'.* : '@@g -e s@'^[a-z]*\/'@@`" |
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182 if [ "${what}" = "shuffle" ] ; then |
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183 newline="`echo "$line" | sed -e s@"$unshuffled"@"$shuffled"@g`" |
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184 else |
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185 newline="`echo "$line" | sed -e s@"$shuffled"@"$unshuffled"@g`" |
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186 fi |
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187 verbose "Rewriting to \"$newline\"" |
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188 echo "$newline" >> $output |
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189 else |
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190 echo "WARNING: no match found for $path" |
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191 echo "$line" >> $output |
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192 fi |
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193 } |
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194 |
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195 while IFS= read -r line |
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196 do |
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197 if echo "$line" | egrep '^diff|^\-\-\-|^\+\+\+' > /dev/null ; then |
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198 unshuffle "$line" |
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199 else |
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200 printf "%s\n" "$line" >> $output |
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201 fi |
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202 done < "$input" |