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