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1 #!/bin/sh |
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2 |
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3 # |
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4 # Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved. |
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5 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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6 # |
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7 # This code is free software; you can redistribute it and/or modify it |
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8 # under the terms of the GNU General Public License version 2 only, as |
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9 # published by the Free Software Foundation. |
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10 # |
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11 # This code is distributed in the hope that it will be useful, but WITHOUT |
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12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 # version 2 for more details (a copy is included in the LICENSE file that |
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15 # accompanied this code). |
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16 # |
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17 # You should have received a copy of the GNU General Public License version |
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18 # 2 along with this work; if not, write to the Free Software Foundation, |
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19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 # |
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21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 # or visit www.oracle.com if you need additional information or have any |
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23 # questions. |
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24 # |
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25 |
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26 # Shell script for a fast parallel forest command |
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27 command="$1" |
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28 pull_extra_base="$2" |
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29 |
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30 # Python always buffers stdout significantly, thus we will not see any output from hg clone jdk, |
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31 # until a lot of time has passed! By passing -u to python, we get incremental updates |
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32 # on stdout. Much nicer. |
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33 whichhg="`which hg`" |
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34 |
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35 if [ "${whichhg}" = "" ] ; then |
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36 echo Cannot find hg! |
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37 exit 1 |
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38 fi |
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39 |
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40 if [ "" = "$command" ] ; then |
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41 echo No command to hg supplied! |
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42 exit 1 |
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43 fi |
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44 |
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45 has_hash_bang="`head -n 1 "${whichhg}" | cut -b 1-2`" |
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46 python="" |
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47 bpython="" |
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48 |
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49 if [ "#!" = "$has_hash_bang" ] ; then |
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50 python="`head -n 1 ${whichhg} | cut -b 3-`" |
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51 bpython="`basename "$python"`" |
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52 fi |
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53 |
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54 if [ "python" = "$bpython" -a -x "$python" ] ; then |
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55 hg="${python} -u ${whichhg}" |
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56 else |
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57 echo Cannot find python from hg launcher. Running plain hg, which probably has buffered stdout. |
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58 hg="hg" |
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59 fi |
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60 |
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61 # Clean out the temporary directory that stores the pid files. |
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62 tmp=/tmp/forest.$$ |
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63 rm -f -r ${tmp} |
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64 mkdir -p ${tmp} |
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65 |
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66 safe_interrupt () { |
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67 if [ -d ${tmp} ]; then |
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68 if [ "`ls ${tmp}`" != "" ]; then |
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69 echo "Waiting for processes ( `cat ${tmp}/* | tr '\n' ' '`) to terminate nicely!" |
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70 sleep 1 |
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71 # Pipe stderr to dev/null to silence kill, that complains when trying to kill |
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72 # a subprocess that has already exited. |
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73 kill -TERM `cat ${tmp}/* | tr '\n' ' '` 2> /dev/null |
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74 wait |
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75 echo Interrupt complete! |
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76 fi |
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77 fi |
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78 rm -f -r ${tmp} |
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79 exit 1 |
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80 } |
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81 |
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82 nice_exit () { |
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83 if [ -d ${tmp} ]; then |
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84 if [ "`ls ${tmp}`" != "" ]; then |
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85 wait |
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86 fi |
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87 fi |
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88 rm -f -r ${tmp} |
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89 } |
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90 |
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91 trap 'safe_interrupt' INT QUIT |
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92 trap 'nice_exit' EXIT |
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93 |
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94 # Only look in specific locations for possible forests (avoids long searches) |
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95 pull_default="" |
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96 repos="" |
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97 repos_extra="" |
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98 if [ "${command}" = "clone" -o "${command}" = "fclone" ] ; then |
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99 subrepos="corba jaxp jaxws langtools jdk hotspot" |
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100 if [ -f .hg/hgrc ] ; then |
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101 pull_default=`hg paths default` |
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102 if [ "${pull_default}" = "" ] ; then |
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103 echo "ERROR: Need initial clone with 'hg paths default' defined" |
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104 exit 1 |
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105 fi |
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106 fi |
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107 if [ "${pull_default}" = "" ] ; then |
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108 echo "ERROR: Need initial repository to use this script" |
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109 exit 1 |
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110 fi |
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111 for i in ${subrepos} ; do |
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112 if [ ! -f ${i}/.hg/hgrc ] ; then |
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113 repos="${repos} ${i}" |
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114 fi |
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115 done |
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116 if [ "${pull_extra_base}" != "" ] ; then |
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117 subrepos_extra="jdk/src/closed jdk/make/closed jdk/test/closed hotspot/make/closed hotspot/src/closed hotspot/test/closed deploy install sponsors pubs" |
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118 pull_default_tail=`echo ${pull_default} | sed -e 's@^.*://[^/]*/\(.*\)@\1@'` |
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119 pull_extra="${pull_extra_base}/${pull_default_tail}" |
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120 for i in ${subrepos_extra} ; do |
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121 if [ ! -f ${i}/.hg/hgrc ] ; then |
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122 repos_extra="${repos_extra} ${i}" |
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123 fi |
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124 done |
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125 fi |
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126 at_a_time=2 |
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127 # Any repos to deal with? |
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128 if [ "${repos}" = "" -a "${repos_extra}" = "" ] ; then |
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129 exit |
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130 fi |
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131 else |
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132 hgdirs=`ls -d ./.hg ./*/.hg ./*/*/.hg ./*/*/*/.hg ./*/*/*/*/.hg 2>/dev/null` |
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133 # Derive repository names from the .hg directory locations |
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134 for i in ${hgdirs} ; do |
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135 repos="${repos} `echo ${i} | sed -e 's@/.hg$@@'`" |
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136 done |
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137 for i in ${repos} ; do |
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138 if [ -h ${i}/.hg/store/lock -o -f ${i}/.hg/store/lock ] ; then |
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139 locked="${i} ${locked}" |
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140 fi |
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141 done |
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142 at_a_time=8 |
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143 # Any repos to deal with? |
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144 if [ "${repos}" = "" ] ; then |
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145 echo "No repositories to process." |
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146 exit |
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147 fi |
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148 if [ "${locked}" != "" ] ; then |
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149 echo "These repositories are locked: ${locked}" |
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150 exit |
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151 fi |
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152 fi |
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153 |
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154 # Echo out what repositories we do a command on. |
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155 echo "# Repositories: ${repos} ${repos_extra}" |
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156 echo |
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157 |
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158 # Run the supplied command on all repos in parallel. |
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159 n=0 |
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160 for i in ${repos} ${repos_extra} ; do |
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161 n=`expr ${n} '+' 1` |
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162 repopidfile=`echo ${i} | sed -e 's@./@@' -e 's@/@_@g'` |
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163 reponame=`echo ${i} | sed -e :a -e 's/^.\{1,20\}$/ &/;ta'` |
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164 pull_base="${pull_default}" |
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165 for j in $repos_extra ; do |
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166 if [ "$i" = "$j" ] ; then |
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167 pull_base="${pull_extra}" |
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168 fi |
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169 done |
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170 ( |
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171 ( |
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172 if [ "${command}" = "clone" -o "${command}" = "fclone" ] ; then |
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173 pull_newrepo="`echo ${pull_base}/${i} | sed -e 's@\([^:]/\)//*@\1@g'`" |
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174 echo ${hg} clone ${pull_newrepo} ${i} |
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175 ${hg} clone ${pull_newrepo} ${i} & |
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176 else |
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177 echo "cd ${i} && ${hg} $*" |
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178 cd ${i} && ${hg} "$@" & |
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179 fi |
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180 echo $! > ${tmp}/${repopidfile}.pid |
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181 ) 2>&1 | sed -e "s@^@${reponame}: @") & |
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182 |
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183 if [ `expr ${n} '%' ${at_a_time}` -eq 0 ] ; then |
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184 sleep 2 |
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185 echo Waiting 5 secs before spawning next background command. |
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186 sleep 3 |
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187 fi |
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188 done |
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189 # Wait for all hg commands to complete |
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190 wait |
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191 |
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192 # Terminate with exit 0 all the time (hard to know when to say "failed") |
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193 exit 0 |
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194 |