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1 #! /bin/bash
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2
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3 #set -ex
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4
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5 # Update an SVN tree for a particular date.
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6
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7 if [ $# != 1 ]; then
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8 echo Usage: $0 id
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9 exit 1
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10 fi
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11
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12 if [ "x${REG_DO_CLEANUPS}" != "x" ]; then
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13 reg_cleanup
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14 fi
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15
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16 ID=$1
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17 BRANCH=""
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18
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19 ########################################################################
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20 # Get sources.
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21 ########################################################################
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22
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23 svn_get() {
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24 # In case there are problems with updates (there were with CVS),
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25 # creating a file called REMOVE in the REG_SRCDIR directory causes us
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26 # to start with a clean tree each time.
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27
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28 unset LC_ALL
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29 unset LANG
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30
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31 cd ${REG_SRCDIR}
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32 if [ -d gcc ]; then
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33 # There's already a tree; do an update with the new revision.
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34 cd gcc
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35 echo "`date` svn update begun for id ${ID}, rev ${REV} (fix)"
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36 echo svn update --non-interactive --revision ${REV} >> $LOG
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37 svn update --non-interactive --revision ${REV} >> $LOG
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38 if [ $? -eq 0 ]; then
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39 echo "`date` svn update done"
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40 else
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41 echo "`date` svn update failed"
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42 exit 1
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43 fi
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44 else
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45 echo "`date` svn checkout begun for id ${ID}, rev ${REV}"
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46 echo svn checkout --non-interactive --revision ${REV} \
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47 ${REG_SVN_REPO}/${BRANCHPATH} gcc >> $LOG
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48 svn checkout --non-interactive --revision ${REV} \
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49 ${REG_SVN_REPO}/${BRANCHPATH} gcc >> $LOG
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50 if [ $? -eq 0 ]; then
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51 echo "`date` svn checkout done"
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52 else
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53 echo "`date` svn checkout failed"
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54 exit 1
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55 fi
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56 cd gcc
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57 fi
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58
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59 # Touch generated files.
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60 contrib/gcc_update --touch >> $LOG
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61 }
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62
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63 ########################################################################
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64 # Main program
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65 ########################################################################
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66
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67 cd ${REG_SRCDIR}
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68
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69 # This is a simple way to stop a long regression search fairly cleanly;
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70 # just touch a file called STOP.
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71
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72 if [ -f STOP ]; then
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73 echo "`date` $0 detected STOP file"
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74 rm -f STOP
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75 exit 1
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76 fi
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77
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78 # Set up the log file.
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79 REV=`${REG_IDS} -f index -t rev ${ID}`
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80 LOG=${REG_SRCDIR}/logs/${BUGID}/${REV}.log
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81 mkdir -p ${REG_SRCDIR}/logs/${BUGID}
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82 rm -f $LOG
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83 touch $LOG
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84
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85 # Get the branch for this patch.
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86 BRANCH=`${REG_IDS} -f index -t branch ${ID}`
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87 if [ "${BRANCH}" = "error" ]; then
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88 echo "`date` $0: cannot determine the SVN branch for id ${ID}"
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89 exit 1
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90 fi
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91
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92 if [ "${BRANCH}" = "trunk" ]; then
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93 BRANCHPATH=trunk
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94 else
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95 BRANCHPATH=branches/${BRANCH}
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96 fi
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97
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98 svn_get
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99
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100 # Look for a patch that's needed for this revision to build.
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101 FIX=${REG_PATCHES}/${REV}.fix
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102 echo "`date` looking for $FIX"
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103 if [ -f $FIX ]; then
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104 echo "`date` fix needed; checking whether it is already applied"
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105 cd ${REG_SRCDIR}/gcc
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106 patch --dry-run -s -p0 -i $FIX < /dev/null > /dev/null 2>&1
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107 if [ $? -eq 0 ]; then
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108 echo "`date` applying fix"
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109 patch -s -p0 -i $FIX
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110 fi
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111 fi
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112
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113 exit 0
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