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

   1 #!/bin/bash
   2
   3 #cp /dev/null ../quilt-import.log
   4
   5 log()
   6 {
   7         echo "$@" | tee -a ../quilt-import.log
   8 }
   9
  10 execute()
  11 {
  12         log "$" $@
  13         "$@" 2>&1 | tee -a ../quilt-import.log
  14         [ ${PIPESTATUS[0]} -eq 0 ] || sh -i || {
  15                 [ -f "$sfile.orig" ] &&
  16                         mv -f "$sfile.orig" "$sfile"
  17                 exit 1
  18         }
  19 }
  20
  21 quilters=$(grep -v '^#' ../real_control | awk -F '      ' '$2=="quilt" { print $3; }')
  22
  23 for name in $quilters; do
  24
  25         # don't bother importing things that haven't changed
  26         change_size=$(cd ../quilt;git diff last_merge.. -- "$name/" | wc -c)
  27         [ $change_size -eq 0 ] && {
  28                 log "Unchanged quilt series $name"
  29                 continue
  30         }
  31
  32         sfile="../quilt/$name/series"
  33         base=$(sed -n 's/^#[    ]*NEXT_BASE[    ]*\(.*\)[       ]*$/\1/p' "$sfile")
  34         if [ -n "$base" ]; then
  35                 base=$(grep -v '^#' ../real_control | awk -F '  ' '$3=="'"$base"'" { if ($2=="quilt") printf("quilt/%s", "'"$base"'"); else printf("%s/%s", "'"$base"'", $5); }')
  36         else
  37                 base=$(sed -n 's/^#[    ]*BASE[         ]*\(.*\)[       ]*$/\1/p' "$sfile")
  38                 [ -n "$base" ] || {
  39                         # for stgit
  40                         base=$(sed '1{s/^#.*GIT commit \(.*\)$/\1/;q}' "$sfile")
  41                         [ -n "$base" ] ||
  42                                 base="origin/master"
  43                 }
  44         fi
  45         rbase="$base"
  46         case "$base" in
  47         *-git[0-9]*)    rbase=$(wget -q -O - "http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-${base}.id")
  48                         ;;
  49         commit*)        rbase=$(expr "$base" : "commit[         ]*\(.*\)")
  50                         ;;
  51         [0-9]*.*)       rbase="v$base"
  52                         ;;
  53         esac
  54         log "Importing $name based on $base"
  55         rbase_sha1=$(git rev-parse --verify "$rbase^{commit}") || {
  56                 log "Unknown BASE"
  57                 continue
  58         }
  59         mv -f "$sfile" "$sfile.orig"
  60         if grep -q NEXT_PATCHES "$sfile.orig"; then
  61                 do_echo=:
  62                 while read line; do
  63                         case $line in
  64                         *NEXT_PATCHES_START*)   do_echo=echo
  65                                                 ;;
  66                         *NEXT_PATCHES_END*)     do_echo=:
  67                                                 ;;
  68                         esac
  69                         $do_echo $line
  70                 done <"$sfile.orig" >"$sfile"
  71         else
  72                 cp "$sfile.orig" "$sfile"
  73         fi
  74
  75         git show-ref --quiet --verify "refs/heads/quilt/$name" ||
  76                 execute git branch "quilt/$name" "$rbase_sha1"
  77
  78         mv -f "$sfile" "$sfile.tmp"
  79         sed -e '/^[     ]*$/d' -e '/^[  ]*#/d' <"$sfile.tmp" >"$sfile"
  80         rm -f "$sfile.tmp"
  81         [ -s "$sfile" ] || {
  82                 log "   quilt series is empty"
  83                 [ -f "$sfile.orig" ] &&
  84                         mv -f "$sfile.orig" "$sfile"
  85                 execute git update-ref "refs/heads/quilt/$name" "$rbase_sha1"
  86                 continue
  87         }
  88
  89         [ -d "../quilt-tmp" ] ||
  90                 execute git clone -s -l -n -q . ../quilt-tmp
  91
  92         log '$' cd ../quilt-tmp
  93         cd ../quilt-tmp
  94         execute git reset --hard "$rbase_sha1"
  95
  96         author=$(grep -v '^#' ../real_control | awk -F '        ' '$3=="'"$name"'" { printf("%s", $1); }' | sed 's/,.*$//')
  97         execute git quiltimport --author "$author" --patches "../quilt/$name"
  98
  99         log '$' cd ../next
 100         cd ../next
 101
 102         execute git fetch -f ../quilt-tmp master:"quilt/$name"
 103
 104         [ -f "$sfile.orig" ] &&
 105                 mv -f "$sfile.orig" "$sfile"
 106 done
 107
 108 [ -d "../quilt-tmp" ] &&
 109         rm -rf ../quilt-tmp
 110
 111 ( cd ../quilt; git update-ref refs/heads/last_merge HEAD )
 112
 113 exit 0