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         masterhash=$3
  24         hash=$4
  25         branch=$5
  26         repo=$6
  27         if [ -n "$repo" ]; then
  28                 repo=" in $repo"
  29         fi
  30
  31         filename=`echo -n "$name" | tr -c 'A-Za-z0-9' '_'`.rss
  32         outfilename="$outdir/$filename"
  33         datetime=`date --rfc-2822`
  34         branch=`echo "$branch" | escape_html`
  35         repo=`echo "$repo" | escape_html`
  36
  37         if ! [ -f "$outfilename" ]; then
  38                 cat >"$outfilename" <<EOF
  39 <?xml version="1.0" encoding="UTF-8" ?>
  40 <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
  41 <channel>
  42         <title>Merge conflicts for $name</title>
  43         <link>http://git.xonotic.org/</link>
  44         <description>...</description>
  45         <lastBuildDate>$datetime</lastBuildDate>
  46         <ttl>3600</ttl>
  47         <atom:link href="http://de.git.xonotic.org/conflicts/$filename" rel="self" type="application/rss+xml" />
  48 EOF
  49         fi
  50         cat >>"$outfilename" <<EOF
  51         <item>
  52                 <title>$branch$repo ($hash)</title>
  53                 <link>http://git.xonotic.org/?p=xonotic/netradiant.git;a=shortlog;h=refs/heads/$name/$branch</link>
  54                 <guid isPermaLink="false">http://de.git.xonotic.org/conflicts/$filename#$hash-$masterhash</guid>
  55                 <description><![CDATA[
  56 EOF
  57
  58         escape_html >>"$outfilename"
  59
  60         cat >>"$outfilename" <<EOF
  61                 ]]></description>
  62         </item>
  63 EOF
  64 }
  65
  66 clear_rss()
  67 {
  68         sed -i -e '/<item>/,$d' "$1"
  69 }
  70
  71 finish_rss()
  72 {
  73         cat <<EOF >>"$1"
  74 </channel>
  75 </rss>
  76 EOF
  77 }
  78
  79 if [ -z "$outdir" ]; then
  80         set --
  81 fi
  82
  83 case "$action" in
  84         --init)
  85                 mkdir -p "$outdir"
  86                 for f in "$outdir"/*; do
  87                         [ -f "$f" ] || continue
  88                         clear_rss "$f"
  89                 done
  90                 ;;
  91         --finish)
  92                 for f in "$outdir"/*; do
  93                         [ -f "$f" ] || continue
  94                         finish_rss "$f"
  95                 done
  96                 ;;
  97         --add)
  98                 masterhash=$(
  99                         (
 100                                 if [ -n "$repodir" ]; then
 101                                         cd "$repodir"
 102                                 fi
 103                                 git rev-parse HEAD
 104                         )
 105                 )
 106                 (
 107                         if [ -n "$repodir" ]; then
 108                                 cd "$repodir"
 109                         fi
 110                         branches
 111                 ) | while read -r HASH TYPE REFNAME; do
 112                         echo >&2 -n "$repodir $REFNAME..."
 113                         out=$(
 114                                 (
 115                                         if [ -n "$repodir" ]; then
 116                                                 cd "$repodir"
 117                                         fi
 118                                         git reset --hard "$masterhash" >/dev/null 2>&1
 119                                         if out=`git merge --no-commit -- "$REFNAME" 2>&1`; then
 120                                                 good=true
 121                                         else
 122                                                 good=false
 123                                                 echo "$out"
 124                                         fi
 125                                         git reset --hard "$masterhash" >/dev/null 2>&1
 126                                 )
 127                         )
 128                         if [ -n "$out" ]; then
 129                                 b=${REFNAME#refs/remotes/[^/]*/}
 130                                 case "$b" in
 131                                         */*)
 132                                                 n=${b%%/*}
 133                                                 ;;
 134                                         *)
 135                                                 n=divVerent
 136                                                 ;;
 137                                 esac
 138                                 echo "$out" | to_rss "$outdir" "$n" "$masterhash" "$HASH" "$b" "$repodir"
 139                                 echo >&2 " CONFLICT"
 140                         else
 141                                 echo >&2 " ok"
 142                         fi
 143                 done
 144                 ;;
 145         *)
 146                 echo "Usage: $0 --init OUTDIR"
 147                 echo "       $0 --add OUTDIR [REPODIR]"
 148                 echo "       $0 --finish OUTDIR"
 149                 exit 1
 150                 ;;
 151 esac