misc/tools/conflict-rss.sh

   1 #!/bin/sh
   2
   3 set -e
   4
   5 action=$1
   6 outdir=$2
   7 repodir=$3
   8
   9 branches()
  10 {
  11         git for-each-ref 'refs/remotes' | grep -vE '    refs/remotes/([^/]*/HEAD|.*/archived/.*)$'
  12 }
  13
  14 escape_html()
  15 {
  16         sed -e 's/&/\&amp;/g; s/</&lt;/g; s/>/&gt;/g'
  17 }
  18
  19 to_rss()
  20 {
  21         outdir=$1
  22         name=$2
  23         hash=$3
  24         branch=$4
  25
  26         filename=$outdir/`echo -n "$name" | tr -c 'A-Za-z0-9' '_'`.xml
  27         datetime=`date --rfc-2822`
  28         branch=`echo "$branch" | escape_html`
  29
  30         if ! [ -f "$filename" ]; then
  31                 cat >"$filename" <<EOF
  32 <?xml version="1.0" encoding="UTF-8" ?>
  33 <rss version="2.0">
  34 <channel>
  35         <title>Merge conflicts for $name</title>
  36         <link>...</link>
  37         <description>...</description>
  38         <lastBuildDate>$datetime</lastBuildDate>
  39         <ttl>3600</ttl>
  40 EOF
  41         fi
  42         cat >>"$filename" <<EOF
  43         <item>
  44                 <title>$branch ($hash)</title>
  45                 <link>...</link>
  46                 <description><![CDATA[
  47 EOF
  48
  49         escape_html >>"$filename"
  50
  51         cat >>"$filename" <<EOF
  52                 ]]></description>
  53         </item>
  54 EOF
  55 }
  56
  57 finish_rss()
  58 {
  59         cat <<EOF >>"$1"
  60 </channel>
  61 </rss>
  62 EOF
  63 }
  64
  65 if [ -z "$outdir" ]; then
  66         set --
  67 fi
  68
  69 case "$action" in
  70         --init)
  71                 rm -rf "$outdir"
  72                 mkdir -p "$outdir"
  73                 ;;
  74         --finish)
  75                 for f in "$outdir"/*; do
  76                         [ -f "$f" ] || continue
  77                         finish_rss "$f"
  78                 done
  79                 ;;
  80         --add)
  81                 (
  82                         if [ -n "$repodir" ]; then
  83                                 cd "$repodir"
  84                         fi
  85                         branches
  86                 ) | while read -r HASH TYPE REFNAME; do
  87                         echo >&2 -n "$repodir $REFNAME..."
  88                         out=$( (
  89                                 if [ -n "$repodir" ]; then
  90                                         cd "$repodir"
  91                                 fi
  92                                 git reset --hard >/dev/null 2>&1
  93                                 if out=`git merge --no-commit -- "$REFNAME" 2>&1`; then
  94                                         good=true
  95                                 else
  96                                         good=false
  97                                         echo "$out"
  98                                 fi
  99                                 git reset --hard >/dev/null 2>&1
 100                         ) )
 101                         if [ -n "$out" ]; then
 102                                 n=${REFNAME#refs/remotes/[^/]*/}
 103                                 case "$n" in
 104                                         */*)
 105                                                 b=${n#*/}
 106                                                 n=${n%%/*}
 107                                                 ;;
 108                                         *)
 109                                                 b="/$n"
 110                                                 n=divVerent
 111                                                 ;;
 112                                 esac
 113                                 echo "$out" | to_rss "$outdir" "$n" "$HASH" "$b"
 114                                 echo >&2 " CONFLICT"
 115                         else
 116                                 echo >&2 " ok"
 117                         fi
 118                 done
 119                 ;;
 120         *)
 121                 echo "Usage: $0 --init OUTDIR"
 122                 echo "       $0 --add OUTDIR [REPODIR]"
 123                 echo "       $0 --finish OUTDIR"
 124                 exit 1
 125                 ;;
 126 esac