misc/tools/conflict-watch.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         masterbranch=$4
  25         masterhash2=$5
  26         masterbranch2=$6
  27         hash=$7
  28         branch=$8
  29         repo=$9
  30
  31         filename=`echo -n "$name" | tr -c 'A-Za-z0-9' '_'`.rss
  32         outfilename="$outdir/$filename"
  33         masterbranch=`echo -n "$masterbranch" | escape_html`
  34         masterbranch2=`echo -n "$masterbranch2" | escape_html`
  35         branch=`echo -n "$branch" | escape_html`
  36         repo=`echo -n "$repo" | escape_html`
  37         if [ -n "$repo" ]; then
  38                 repotxt=" in $repo"
  39         else
  40                 repotxt=
  41         fi
  42
  43         if [ x"$masterhash" = x"$masterhash2" ]; then
  44                 against="$masterbranch at $masterhash"
  45         else
  46                 against="$masterbranch at $masterhash or $masterbranch2 at $masterhash2"
  47         fi
  48
  49         if ! [ -f "$outfilename" ]; then
  50                 datetime=`date --rfc-2822`
  51                 cat >"$outfilename" <<EOF
  52 <?xml version="1.0" encoding="UTF-8" ?>
  53 <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
  54 <channel>
  55         <title>XonCW: $name</title>
  56         <link>http://git.xonotic.org/</link>
  57         <description>Xonotic Conflict Watch for branches by $name</description>
  58         <ttl>10800</ttl>
  59         <atom:link href="http://nl.git.xonotic.org/xoncw/$filename" rel="self" type="application/rss+xml" />
  60         <lastBuildDate>$datetime</lastBuildDate>
  61 EOF
  62         fi
  63         cat >>"$outfilename" <<EOF
  64         <item>
  65                 <title>$branch$repotxt</title>
  66                 <link>http://git.xonotic.org/?p=$repo;a=shortlog;h=refs/heads/$branch</link>
  67                 <guid isPermaLink="false">http://nl.git.xonotic.org/xoncw/$filename#$hash</guid>
  68                 <description><![CDATA[
  69                 Conflicts of $branch at $hash against $against:
  70 EOF
  71
  72         echo -n "<pre>" >>"$outfilename"
  73         escape_html >>"$outfilename"
  74         echo "</pre>" >>"$outfilename"
  75
  76         cat >>"$outfilename" <<EOF
  77                 ]]></description>
  78         </item>
  79 EOF
  80 }
  81
  82 clear_rss()
  83 {
  84         datetime=`date --rfc-2822`
  85         sed -i -e '/<lastBuildDate>/,$d' "$1"
  86         cat <<EOF >>"$1"
  87         <lastBuildDate>$datetime</lastBuildDate>
  88 EOF
  89 }
  90
  91 finish_rss()
  92 {
  93         cat <<EOF >>"$1"
  94 </channel>
  95 </rss>
  96 EOF
  97 }
  98
  99 if [ -z "$outdir" ]; then
 100         set --
 101 fi
 102
 103 repo=$(
 104         (
 105                 if [ -n "$repodir" ]; then
 106                         cd "$repodir"
 107                 fi
 108                 git config remote.origin.url | cut -d / -f 4-
 109         )
 110 )
 111
 112 case "$action" in
 113         --init)
 114                 mkdir -p "$outdir"
 115                 for f in "$outdir"/*; do
 116                         [ -f "$f" ] || continue
 117                         clear_rss "$f"
 118                 done
 119                 ;;
 120         --finish)
 121                 for f in "$outdir"/*; do
 122                         [ -f "$f" ] || continue
 123                         finish_rss "$f"
 124                 done
 125                 ;;
 126         --add)
 127                 masterhash=$(
 128                         (
 129                                 if [ -n "$repodir" ]; then
 130                                         cd "$repodir"
 131                                 fi
 132                                 git rev-parse HEAD
 133                         )
 134                 )
 135                 masterbranch=$(
 136                         (
 137                                 if [ -n "$repodir" ]; then
 138                                         cd "$repodir"
 139                                 fi
 140                                 git symbolic-ref HEAD
 141                         )
 142                 )
 143                 masterbranch=${masterbranch#refs/heads/}
 144
 145                 masterhash2=$(
 146                         (
 147                                 if [ -n "$repodir" ]; then
 148                                         cd "$repodir"
 149                                 fi
 150                                 git rev-parse master
 151                         )
 152                 )
 153                 masterbranch2=master
 154
 155                 (
 156                         if [ -n "$repodir" ]; then
 157                                 cd "$repodir"
 158                         fi
 159                         branches
 160                 ) | while read -r HASH TYPE REFNAME; do
 161                         echo >&2 -n "$repo $REFNAME..."
 162                         case "$repo:$REFNAME" in
 163                                 xonotic/netradiant.git:refs/remotes/origin/divVerent/zeroradiant) continue ;;
 164                                 xonotic/netradiant.git:refs/remotes/origin/divVerent/zeroradiant-original) continue ;;
 165                                 xonotic/netradiant.git:refs/remotes/origin/divVerent/zeroradiant-split-up-the-q3map2-commit) continue ;;
 166                                 xonotic/netradiant.git:refs/remotes/origin/divVerent/zeroradiant-split-up-the-q3map2-commit-goal) continue ;;
 167                                 xonotic/fteqcc.git:refs/remotes/origin/wip) continue ;;
 168                                 xonotic/darkplaces:refs/remotes/origin/master) continue ;;
 169                                 xonotic/darkplaces:refs/remotes/origin/dp-mqc-render) continue ;;
 170                         esac
 171                         out=$(
 172                                 (
 173                                         if [ -n "$repodir" ]; then
 174                                                 cd "$repodir"
 175                                         fi
 176                                         git reset --hard "$masterhash" >/dev/null 2>&1
 177                                         if out=`git merge --no-commit -- "$REFNAME" 2>&1`; then
 178                                                 good=true
 179                                         else
 180                                                 if [ x"$masterbranch2" != x"$masterbranch" ]; then
 181                                                         git reset --hard "$masterhash2" >/dev/null 2>&1
 182                                                         if out2=`git merge --no-commit -- "$REFNAME" 2>&1`; then
 183                                                                 good=true
 184                                                         else
 185                                                                 good=false
 186                                                                 l=`echo "$out" | wc -l`
 187                                                                 l2=`echo "$out2" | wc -l`
 188                                                                 if [ $l -gt $l2 ]; then
 189                                                                         echo "$out2"
 190                                                                 else
 191                                                                         echo "$out"
 192                                                                 fi
 193                                                         fi
 194                                                 else
 195                                                         good=false
 196                                                         echo "$out"
 197                                                 fi
 198                                         fi
 199                                         git reset --hard "$masterhash" >/dev/null 2>&1
 200                                 )
 201                         )
 202                         if [ -n "$out" ]; then
 203                                 b=${REFNAME#refs/remotes/[!/]*/}
 204                                 case "$b" in
 205                                         */*)
 206                                                 n=${b%%/*}
 207                                                 ;;
 208                                         *)
 209                                                 n=divVerent
 210                                                 ;;
 211                                 esac
 212                                 echo "$out" | to_rss "$outdir" "$n" "$masterhash" "$masterbranch" "$masterhash2" "$masterbranch2" "$HASH" "$b" "$repo"
 213                                 echo >&2 " CONFLICT"
 214                         else
 215                                 echo >&2 " ok"
 216                         fi
 217                 done
 218                 ;;
 219         *)
 220                 echo "Usage: $0 --init OUTDIR"
 221                 echo "       $0 --add OUTDIR [REPODIR]"
 222                 echo "       $0 --finish OUTDIR"
 223                 exit 1
 224                 ;;
 225 esac