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1 #! /bin/sh
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2
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3 # The build failed for and identifier in the range bwetween LOW and HIGH.
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4 # Find a new patch id to try within that range.
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5 #
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6 # It's meant to be easy to modify the heuristics used to select the
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7 # next patch to try by adding to or rearranging the patches listed in
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8 # MIDLIST. Known failures are recorded in ${REG_FAILLIST}.
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9 #
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10 # A nifty improvement would be to record known ranges of failure as
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11 # ranges, and then pick revisions just before and just after the range.
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12 #
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13 # Copyright (C) 2006 Free Software Foundation, Inc.
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14 #
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15 # This file is free software; you can redistribute it and/or modify
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16 # it under the terms of the GNU General Public License as published by
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17 # the Free Software Foundation; either version 3 of the License, or
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18 # (at your option) any later version.
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19 #
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20 # This program is distributed in the hope that it will be useful,
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21 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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22 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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23 # GNU General Public License for more details.
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24 #
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25 # For a copy of the GNU General Public License, write the the
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26 # Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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27 # Boston, MA 02111-1301, USA.
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28
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29 LOW=$1
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30 HIGH=$2
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31
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32 MIDLIST=""
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33
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34 let MID01=LOW+LOW+LOW+LOW+LOW+LOW+LOW+LOW+LOW+LOW+LOW+HIGH
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35 let MID01=MID01/12
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36 let MID02=LOW+LOW+LOW+LOW+LOW+LOW+LOW+LOW+LOW+LOW+HIGH+HIGH
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37 let MID02=MID02/12
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38 let MID03=LOW+LOW+LOW+LOW+LOW+LOW+LOW+LOW+LOW+HIGH+HIGH+HIGH
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39 let MID03=MID03/12
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40 let MID04=LOW+LOW+LOW+LOW+LOW+LOW+LOW+LOW+HIGH+HIGH+HIGH+HIGH
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41 let MID04=MID04/12
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42 let MID05=LOW+LOW+LOW+LOW+LOW+LOW+LOW+HIGH+HIGH+HIGH+HIGH+HIGH
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43 let MID05=MID05/12
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44 let MID06=LOW+LOW+LOW+LOW+LOW+LOW+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH
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45 let MID06=MID06/12
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46 let MID07=LOW+LOW+LOW+LOW+LOW+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH
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47 let MID07=MID07/12
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48 let MID08=LOW+LOW+LOW+LOW+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH
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49 let MID08=MID08/12
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50 let MID09=LOW+LOW+LOW+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH
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51 let MID09=MID09/12
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52 let MID10=LOW+LOW+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH
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53 let MID10=MID10/12
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54 let MID11=LOW+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH+HIGH
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55 let MID11=MID11/12
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56
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57 # Look in this order; MID has already been done:
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58 #
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59 # LOW--10---7---6---3---2---MID---1---4---5---8---9---HIGH
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60
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61 MIDLIST="${MIDLIST} ${MID07}"
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62 MIDLIST="${MIDLIST} ${MID05}"
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63 MIDLIST="${MIDLIST} ${MID04}"
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64 MIDLIST="${MIDLIST} ${MID08}"
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65 MIDLIST="${MIDLIST} ${MID09}"
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66 MIDLIST="${MIDLIST} ${MID03}"
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67 MIDLIST="${MIDLIST} ${MID02}"
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68 MIDLIST="${MIDLIST} ${MID10}"
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69 MIDLIST="${MIDLIST} ${MID11}"
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70 MIDLIST="${MIDLIST} ${MID01}"
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71
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72 for MID in ${MIDLIST}
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73 do
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74 # Skip this if it's the low endpoint.
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75 if [ ${MID} != ${LOW} ]; then
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76 # Is this patch already known to fail?
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77 ${REG_CHECKFAIL} ${MID}
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78 if [ $? -ne 0 ]; then
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79 echo ${MID}
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80 exit 0
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81 fi
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82 fi
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83 done
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84
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85 echo 0
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86 exit 1
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