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