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         branch=`echo -n "$branch" | escape_html`
  34         repo=`echo -n "$repo" | escape_html`
  35
  36         if ! [ -f "$outfilename" ]; then
  37                 datetime=`date --rfc-2822`
  38                 cat >"$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>XonCW: $name</title>
  43         <link>http://git.xonotic.org/</link>
  44         <description>Xonotic Conflict Watch for branches by $name</description>
  45         <ttl>3600</ttl>
  46         <atom:link href="http://de.git.xonotic.org/conflicts/$filename" rel="self" type="application/rss+xml" />
  47         <lastBuildDate>$datetime</lastBuildDate>
  48 EOF
  49         fi
  50         cat >>"$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         echo -n "<pre>" >>"$outfilename"
  59         escape_html >>"$outfilename"
  60         echo "</pre>" >>"$outfilename"
  61
  62         cat >>"$outfilename" <<EOF
  63                 ]]></description>
  64         </item>
  65 EOF
  66 }
  67
  68 clear_rss()
  69 {
  70         datetime=`date --rfc-2822`
  71         sed -i -e '/<lastBuildDate>/,$d' "$1"
  72         cat <<EOF >"$1"
  73         <lastBuildDate>$datetime</lastBuildDate>
  74 EOF
  75 }
  76
  77 finish_rss()
  78 {
  79         cat <<EOF >>"$1"
  80 </channel>
  81 </rss>
  82 EOF
  83 }
  84
  85 if [ -z "$outdir" ]; then
  86         set --
  87 fi
  88
  89 case "$repodir" in
  90         '')
  91                 repo=`git config remote.origin.url | cut -d / -f 4-`
  92                 ;;
  93         *)
  94                 repo=$repodir # FIXME
  95                 ;;
  96 esac
  97
  98 case "$action" in
  99         --init)
 100                 mkdir -p "$outdir"
 101                 for f in "$outdir"/*; do
 102                         [ -f "$f" ] || continue
 103                         clear_rss "$f"
 104                 done
 105                 ;;
 106         --finish)
 107                 for f in "$outdir"/*; do
 108                         [ -f "$f" ] || continue
 109                         finish_rss "$f"
 110                 done
 111                 ;;
 112         --add)
 113                 masterhash=$(
 114                         (
 115                                 if [ -n "$repodir" ]; then
 116                                         cd "$repodir"
 117                                 fi
 118                                 git rev-parse HEAD
 119                         )
 120                 )
 121                 (
 122                         if [ -n "$repodir" ]; then
 123                                 cd "$repodir"
 124                         fi
 125                         branches
 126                 ) | while read -r HASH TYPE REFNAME; do
 127                         echo >&2 -n "$repodir $REFNAME..."
 128                         out=$(
 129                                 (
 130                                         if [ -n "$repodir" ]; then
 131                                                 cd "$repodir"
 132                                         fi
 133                                         git reset --hard "$masterhash" >/dev/null 2>&1
 134                                         if out=`git merge --no-commit -- "$REFNAME" 2>&1`; then
 135                                                 good=true
 136                                         else
 137                                                 good=false
 138                                                 echo "$out"
 139                                         fi
 140                                         git reset --hard "$masterhash" >/dev/null 2>&1
 141                                 )
 142                         )
 143                         if [ -n "$out" ]; then
 144                                 b=${REFNAME#refs/remotes/[^/]*/}
 145                                 case "$b" in
 146                                         */*)
 147                                                 n=${b%%/*}
 148                                                 ;;
 149                                         *)
 150                                                 n=divVerent
 151                                                 ;;
 152                                 esac
 153                                 echo "$out" | to_rss "$outdir" "$n" "$masterhash" "$HASH" "$b" "$repo"
 154                                 echo >&2 " CONFLICT"
 155                         else
 156                                 echo >&2 " ok"
 157                         fi
 158                 done
 159                 ;;
 160         *)
 161                 echo "Usage: $0 --init OUTDIR"
 162                 echo "       $0 --add OUTDIR [REPODIR]"
 163                 echo "       $0 --finish OUTDIR"
 164                 exit 1
 165                 ;;
 166 esac