git.ozlabs.org Git - next-scripts/blob - do_merge

   1 #!/bin/bash
   2
   3 LOG_FILE="../merge.log"
   4 build_host="sprygo"
   5 build_dir="/scratch/sfr/next"
   6 build_cmd="bin/build_next"
   7
   8 no_build=false
   9 start_from=""
  10
  11 [ "$1" = "-n" ] && {
  12         shift
  13         no_build=true
  14 }
  15 [ "$1" = "-s" ] && {
  16         shift
  17         start_from="$1"
  18         [ -z "$start_from" ] && {
  19                 echo "-s requires a start tree" 1>&2
  20                 exit 1
  21         }
  22         shift
  23 }
  24 [ -n "$1" ] && build_host="$1"
  25
  26 log()
  27 {
  28         echo "$@" | tee -a $LOG_FILE
  29 }
  30
  31 execute()
  32 {
  33         log "$" $@
  34         $@ 2>&1 | tee -a $LOG_FILE
  35         return ${PIPESTATUS[0]}
  36 }
  37
  38 [ -n "$start_from" ] || {
  39         cp /dev/null $LOG_FILE
  40         execute git checkout master
  41         execute git reset --hard stable
  42 }
  43
  44 heads=$(grep -v '^#' ../real_control | awk -F ' ' '$2=="quilt" { printf("quilt/%s ", $3); } $2=="git" { printf("%s/%s ", $3, $5); }')
  45
  46 need_build=false
  47
  48 for h in $heads; do
  49         tree=${h%/*}
  50         [ "$tree" == "quilt" ] && tree=${h#quilt/}
  51
  52         [ -n "$start_from" ] && {
  53                 if [ "$tree" = "$start_from" ]; then
  54                         start_from=""
  55                 else
  56                         continue
  57                 fi
  58         }
  59
  60         log Merging $h
  61         old_head=$(git rev-parse HEAD)
  62         execute git merge $h || {
  63                 echo Merge failed 1>&2
  64                 bash -i || exit
  65                 GIT_EDITOR=: execute git commit -v -a
  66                 execute git diff -M --stat --summary 'HEAD^..'
  67         }
  68         $no_build && continue
  69         $need_build || {
  70                 # See if we need to build after merging this tree
  71                 new_head=$(git rev-parse HEAD)
  72                 [ "$old_head" = "$new_head" ] ||
  73                         need_build=true
  74                 $need_build ||
  75                         [ "$(git diff ${old_head}.. | wc -c)" -eq 0 ] ||
  76                         need_build=true
  77         }
  78         $need_build ||
  79                 continue
  80         do_build=$(grep -v '^#' ../real_control | awk -F '      ' '$3=="'$tree'" { print $6; }')
  81         [ "$do_build" = "yes" ] ||
  82                 continue
  83         rsync -avH --exclude .git --delete . "$build_host":"$build_dir"/. || {
  84                 echo Rsync failed 1>&2
  85                 bash -i || exit
  86         }
  87         ssh "$build_host" "$build_cmd" || {
  88                 echo Build failed 1>&2
  89                 bash -i || exit
  90         }
  91         need_build=false
  92 done
  93
  94 exit 0