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