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145
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1 #!/bin/sh
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2 #
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3 # Update the current version date in all files in the tree containing
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4 # it. Consider all single-component-version release branches except
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5 # those matching the regular expression in $IGNORE_BRANCHES, and also
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6 # consider those branches listed in the space separated list in
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7 # $ADD_BRANCHES.
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8
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9 GITROOT=${GITROOT:-"/git/gcc.git"}
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10 IGNORE_BRANCHES='releases/gcc-(.*\..*|5|6|7)'
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11 ADD_BRANCHES='master'
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12
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13 # Run this from /tmp.
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14 export GITROOT
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15 BASEDIR=/tmp/$$
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16 /bin/rm -rf "$BASEDIR"
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17 /bin/mkdir "$BASEDIR"
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18 cd "$BASEDIR"
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19
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20 GIT=${GIT:-/usr/local/bin/git}
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21
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22 # Compute the branches which we should update.
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23 BRANCHES=`(cd $GITROOT \
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24 && ${GIT} for-each-ref --format='%(refname)' \
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25 'refs/heads/releases/gcc-*') \
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26 | sed -e 's/refs\/heads\///' \
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27 | egrep -v $IGNORE_BRANCHES`
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28 # Always update the mainline.
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29 BRANCHES="${ADD_BRANCHES} ${BRANCHES}"
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30
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31 # This is put into the datestamp files.
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32 CURR_DATE=`/bin/date +"%Y%m%d"`
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33
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34 datestamp_FILES="gcc/DATESTAMP"
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35
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36
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37 # Assume all will go well.
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38 RESULT=0
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39 SUBDIR=$BASEDIR/gcc
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40 for BRANCH in $BRANCHES; do
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41 echo "Working on \"$BRANCH\"."
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42 # Check out the files on the branch.
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43 if [ -d "$SUBDIR" ]; then
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44 cd "$SUBDIR"
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45 ${GIT} pull -q
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46 ${GIT} checkout -q "$BRANCH"
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47 else
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48 ${GIT} clone -q -b "$BRANCH" "$GITROOT" "$SUBDIR"
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49 fi
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50
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51 # There are no files to commit yet.
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52 COMMIT_FILES=""
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53
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54 cd "$SUBDIR"
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55 for file in $datestamp_FILES; do
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56 if test -f $file; then
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57 echo "${CURR_DATE}" > $file.new
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58
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59 if /usr/bin/cmp -s $file $file.new; then
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60 rm -f $file.new
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61 else
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62 mv -f $file.new $file
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63 COMMIT_FILES="$COMMIT_FILES $file"
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64 fi
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65 fi
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66 done
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67
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68 if test -n "$COMMIT_FILES"; then
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69 for i in $COMMIT_FILES; do
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70 echo "Attempting to commit $i"
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71 if ${GIT} commit -m "Daily bump." $i; then
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72 if ! ${GIT} push origin "$BRANCH"; then
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73 # If we could not push the files, indicate failure.
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74 RESULT=1
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75 fi
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76 else
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77 # If we could not commit the files, indicate failure.
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78 RESULT=1
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79 fi
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80 done
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81 fi
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82 done
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83
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84 /bin/rm -rf $BASEDIR
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85 exit $RESULT
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