third_party/heimdal/apply_heimdal.sh

   1 #!/bin/bash
   2
   3 [ $# == 2 ] || {
   4     echo "Usage: apply_heimdal.sh <lorikeet_path>"
   5     exit 1
   6 }
   7
   8 LORIKEET_PATH="$1"
   9 IMPORT_HASH="$2"
  10 S4PATH="$PWD"
  11
  12 pushd $LORIKEET_PATH || exit 1
  13 git reset --hard
  14 git am --abort
  15 popd
  16
  17 # From https://gist.github.com/kfish/7425248
  18
  19 apply () {
  20   filename=$1
  21   shift
  22   patch_args=$*
  23
  24   gotSubject=no
  25   msg=""
  26
  27   cat $filename | while read line; do
  28     if [ "$line" == "---" ]; then
  29
  30       patch $patch_args -p1 < $filename
  31       git commit -a -m 'CHECK AUTHOR' -m "$msg"
  32
  33       break
  34     fi
  35     if [ "$gotSubject" == "no" ]; then
  36       hdr=(${line//:/ })
  37       if [ "${hdr[0]}" == "Subject" ]; then
  38         gotSubject=yes
  39         msg="${hdr[@]:3}"
  40       fi
  41     else
  42       msg="$msg $line"
  43     fi
  44     msg="$msg
  45 "
  46   done
  47 }
  48
  49 try_patch() {
  50     commit="$1"
  51     git format-patch --stdout $commit -1 source4/heimdal > "$commit".patch
  52     sed -i 's|/source4/heimdal/|/|g' "$commit".patch
  53     sed -i "s|^---$|(cherry picked from Samba commit $commit)\n---|g" "$commit".patch
  54     pushd $LORIKEET_PATH || exit 1
  55     git reset --hard
  56     echo
  57     if patch -p1 --forward < "$S4PATH/$commit.patch"; then
  58         echo
  59         echo "Commit $commit can apply - applying"
  60         git reset --hard
  61         git am "$S4PATH/$commit.patch" || apply "$S4PATH/$commit.patch"
  62     else
  63         echo
  64         echo "Commit $commit does not apply cleanly"
  65         echo
  66     fi
  67     git am --abort
  68     popd || exit 1
  69 }
  70
  71 commits="$(git log --pretty=oneline --reverse $IMPORT_HASH..HEAD -- source4/heimdal | cut -d' ' -f1)"
  72 for c in $commits; do
  73     git log $c -1
  74     echo -n "Try apply? [Y/n] "
  75     read answer
  76     case $answer in
  77         n*)
  78             continue
  79             ;;
  80          *)
  81             try_patch $c
  82             ;;
  83     esac
  84 done