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

   1 #!/bin/bash
   2
   3 no_build=false
   4 start_from=""
   5
   6 while getopts 'ns:' opt; do
   7         case "$opt" in
   8         n)
   9                 no_build=true
  10                 ;;
  11         s)
  12                 start_from="$OPTARG"
  13                 ;;
  14         *)
  15                 exit 1
  16                 ;;
  17         esac
  18 done
  19 shift $((OPTIND - 1))
  20
  21 # shellcheck source=common.sh
  22 source "$(dirname "$0")/common.sh"
  23
  24 log()
  25 {
  26         echo "$@" | tee -a "$LOG_FILE"
  27 }
  28
  29 execute()
  30 {
  31         log "$" "$@"
  32         "$@" 2>&1 | tee -a "$LOG_FILE"
  33         return "${PIPESTATUS[0]}"
  34 }
  35
  36 fix_up()
  37 {
  38         if [ -n "$1" ]; then
  39                 linux-next-notify "$1"
  40         fi
  41         if [ -n "$2" ]; then
  42                 printf '%s\n' "$2" 1>&2
  43         fi
  44         if ! bash -i; then
  45                 exit
  46         fi
  47 }
  48
  49 if [ -z "$start_from" ]; then
  50         cp /dev/null "$LOG_FILE"
  51         execute date -R
  52         execute git checkout master
  53         execute git reset --hard stable
  54         printf 'Name\t\tSHA1\n----\t\t----\n' > "$SHA1_FILE"
  55 fi
  56
  57 heads=$(awk -F '\t' '
  58         /^#/ { next; }
  59         $2=="quilt" || $2=="git" { printf("%s/%s ", $3, $5); }
  60         $2=="branch" { printf("branch/%s ", $1); }' "$CTRL_FILE")
  61
  62 need_build=false
  63
  64 for h in $heads; do
  65         tree=${h%%/*}
  66
  67         if [ -n "$start_from" ]; then
  68                 if [ "$tree" = "$start_from" ]; then
  69                         start_from=""
  70                 else
  71                         continue
  72                 fi
  73         fi
  74
  75         if [ "$tree" = "branch" ]; then
  76                 git branch -f "${h#branch/}"
  77                 continue
  78         fi
  79
  80         hlog=$(git log -1 --oneline "$h") 2>/dev/null
  81         old_head=$(git rev-parse HEAD)
  82         if [ -f "../pre-merge/$tree" ]; then
  83                 while read -r p <&7; do
  84                         if ! "$bin_dir/do_patch" -n "$p"; then
  85                                 fix_up "premerge patch failed"
  86                         fi 7<&-
  87                 done 7<"../pre-merge/$tree"
  88         fi
  89         log Merging "$h" "($hlog)"
  90         if ! execute git merge "$h"; then
  91                 echo Merge failed 1>&2
  92                 echo "$h" >>../merge.debug
  93                 git diff >>../merge.debug 2>&1
  94
  95                 check_unmerged_files "$tree"
  96
  97                 if git diff 2>&1 | grep -E -q '<<<<<|^\*'; then
  98                         if [ -f "../merge-fixes/$tree" ]; then
  99                                 echo "Merge fixes exist for this tree:"
 100                                 cat "../merge-fixes/$tree"
 101                         fi
 102                         fix_up "new conflict found merging $tree"
 103                 fi
 104 #               if [ "$(git status --porcelain)" ]; then
 105                         if ! execute git commit --no-edit -v -a; then
 106                                 fix_up "next commit failed for $tree"
 107                         fi
 108                         execute git diff -M --stat --summary 'HEAD^..'
 109 #               fi
 110         fi
 111         if [ -f "../merge-fixes/$tree" ]; then
 112                 while read -r p <&7; do
 113                         if ! "$bin_dir/merge_fix" -n "$p"; then
 114                                 fix_up "merge fix failed for $tree"
 115                         fi 7<&-
 116                 done 7<"../merge-fixes/$tree"
 117         fi
 118
 119         tab=$'\t'
 120         if [ "${#tree}" -le 8 ]; then
 121                 tab=$'\t\t'
 122         fi
 123         printf '%s%s%s\n' "$tree" "$tab" "$(git rev-parse "$h^{}")" >> "$SHA1_FILE"
 124
 125         if $no_build; then
 126                 continue
 127         fi
 128
 129         if ! $need_build; then
 130                 # See if we need to build after merging this tree
 131                 if [ -n "$(git diff "$old_head"..)" ]; then
 132                         need_build=true
 133                 fi
 134         fi
 135         if ! $need_build; then
 136                 continue
 137         fi
 138
 139         do_build=$(awk -F '\t' '/^[^#]/ && $3=="'"$tree"'" { print $6; }' "$CTRL_FILE")
 140         if [ "$do_build" != "yes" ]; then
 141                 continue
 142         fi
 143
 144         repo="${build_host:+$build_host:}${build_dir}"
 145         if ! git push -f "$repo" master:refs/heads/next; then
 146                 fix_up "push failed for $tree" "git push failed"
 147         fi
 148
 149         if [ -x "../pre-build/$tree" ] &&
 150            ! "../pre-build/$tree"; then
 151                 fix_up "pre-build script failed for $tree" "Prebuild script failed"
 152         fi
 153         if ! "$bin_dir/do_build" "$tree"; then
 154                 fix_up "build failed for $tree" "Build failed"
 155         fi
 156
 157         need_build=false
 158 done
 159
 160 exit 0