tg-summary.sh

   1 #!/bin/sh
   2 # TopGit - A different patch queue manager
   3 # (c) Petr Baudis <pasky@suse.cz>  2008
   4 # GPLv2
   5
   6 terse=
   7 graphviz=
   8 sort=
   9 deps=
  10 head_from=
  11
  12 ## Parse options
  13
  14 while [ -n "$1" ]; do
  15         arg="$1"; shift
  16         case "$arg" in
  17         -i|-w)
  18                 [ -z "$head_from" ] || die "-i and -w are mutually exclusive"
  19                 head_from="$arg";;
  20         -t)
  21                 terse=1;;
  22         --graphviz)
  23                 graphviz=1;;
  24         --sort)
  25                 sort=1;;
  26         --deps)
  27                 deps=1;;
  28         *)
  29                 echo "Usage: tg [...] summary [-t | --sort | --deps | --graphviz] [-i | -w]" >&2
  30                 exit 1;;
  31         esac
  32 done
  33
  34 curname="$(git symbolic-ref HEAD | sed 's#^refs/\(heads\|top-bases\)/##')"
  35
  36 [ "$terse$graphviz$sort$deps" = "" ] ||
  37         [ "$terse$graphviz$sort$deps" = "1" ] ||
  38         die "mutually exclusive options given"
  39
  40 if [ -n "$graphviz" ]; then
  41         cat <<EOT
  42 # GraphViz output; pipe to:
  43 #   | dot -Tpng -o <ouput>
  44 # or
  45 #   | dot -Txlib
  46
  47 digraph G {
  48
  49 graph [
  50   rankdir = "TB"
  51   label="TopGit Layout\n\n\n"
  52   fontsize = 14
  53   labelloc=top
  54   pad = "0.5,0.5"
  55 ];
  56
  57 EOT
  58 fi
  59
  60 if [ -n "$sort" ]; then
  61         tsort_input="$(get_temp tg-summary-sort)"
  62         exec 4>$tsort_input
  63         exec 5<$tsort_input
  64 fi
  65
  66 ## List branches
  67
  68 process_branch()
  69 {
  70         missing_deps=
  71
  72         current=' '
  73         [ "$name" != "$curname" ] || current='>'
  74         from=$head_from
  75         [ "$name" = "$curname" ] ||
  76                 from=
  77         nonempty=' '
  78         ! branch_empty "$name" $from || nonempty='0'
  79         remote=' '
  80         [ -z "$base_remote" ] || remote='l'
  81         ! has_remote "$name" || remote='r'
  82         rem_update=' '
  83         [ "$remote" != 'r' ] || ! ref_exists "refs/remotes/$base_remote/top-bases/$name" || {
  84                 branch_contains "refs/top-bases/$name" "refs/remotes/$base_remote/top-bases/$name" &&
  85                 branch_contains "$name" "refs/remotes/$base_remote/$name"
  86         } || rem_update='R'
  87         [ "$rem_update" = 'R' ] || branch_contains "refs/remotes/$base_remote/$name" "$name" 2>/dev/null ||
  88                 rem_update='L'
  89         deps_update=' '
  90         needs_update "$name" >/dev/null || deps_update='D'
  91         deps_missing=' '
  92         [ -z "$missing_deps" ] || deps_missing='!'
  93         base_update=' '
  94         branch_contains "$name" "refs/top-bases/$name" || base_update='B'
  95
  96         if [ "$(git rev-parse "$name")" != "$rev" ]; then
  97                 subject="$(cat_file "$name:.topmsg" $from | sed -n 's/^Subject: //p')"
  98         else
  99                 # No commits yet
 100                 subject="(No commits)"
 101         fi
 102
 103         printf '%s\t%-31s\t%s\n' "$current$nonempty$remote$rem_update$deps_update$deps_missing$base_update" \
 104                 "$name" "$subject"
 105 }
 106
 107 if [ -n "$deps" ]; then
 108         list_deps $head_from
 109         exit 0
 110 fi
 111
 112 git for-each-ref refs/top-bases |
 113         while read rev type ref; do
 114                 name="${ref#refs/top-bases/}"
 115                 if branch_annihilated "$name"; then
 116                         continue;
 117                 fi
 118
 119                 if [ -n "$terse" ]; then
 120                         echo "$name"
 121                 elif [ -n "$graphviz$sort" ]; then
 122                         from=$head_from
 123                         [ "$name" = "$curname" ] ||
 124                                 from=
 125                         cat_file "$name:.topdeps" $from | while read dep; do
 126                                 dep_is_tgish=true
 127                                 ref_exists "refs/top-bases/$dep"  ||
 128                                         dep_is_tgish=false
 129                                 if ! "$dep_is_tgish" || ! branch_annihilated $dep; then
 130                                         if [ -n "$graphviz" ]; then
 131                                                 echo "\"$name\" -> \"$dep\";"
 132                                                 if [ "$name" = "$curname" ] || [ "$dep" = "$curname" ]; then
 133                                                         echo "\"$curname\" [style=filled,fillcolor=yellow];"
 134                                                 fi
 135                                         else
 136                                                 echo "$name $dep" >&4
 137                                         fi
 138                                 fi
 139                         done
 140                 else
 141                         process_branch
 142                 fi
 143         done
 144
 145 if [ -n "$graphviz" ]; then
 146         echo '}'
 147 fi
 148
 149 if [ -n "$sort" ]; then
 150         tsort <&5
 151 fi
 152
 153
 154 # vim:noet