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
   9
  10 ## Parse options
  11
  12 while [ -n "$1" ]; do
  13         arg="$1"; shift
  14         case "$arg" in
  15         -t)
  16                 terse=1;;
  17         --graphviz)
  18                 graphviz=1;;
  19         *)
  20                 echo "Usage: tg [...] summary [-t | --graphviz]" >&2
  21                 exit 1;;
  22         esac
  23 done
  24
  25 curname="$(git symbolic-ref HEAD | sed 's#^refs/\(heads\|top-bases\)/##')"
  26
  27 ! [ -n "$terse" -a -n "$graphviz" ] ||
  28         die "-t and --graphviz options are mutual exclusive"
  29
  30 if [ -n "$graphviz" ]; then
  31         cat <<EOT
  32 # GraphViz output; pipe to:
  33 #   | dot -Tpng -o <ouput>
  34 # or
  35 #   | dot -Txlib
  36
  37 digraph G {
  38
  39 graph [
  40   rankdir = "TB"
  41   label="TopGit Layout\n\n\n"
  42   fontsize = 14
  43   labelloc=top
  44   pad = "0.5,0.5"
  45 ];
  46
  47 EOT
  48 fi
  49
  50
  51 ## List branches
  52
  53 git for-each-ref refs/top-bases |
  54         while read rev type ref; do
  55                 name="${ref#refs/top-bases/}"
  56                 if branch_annihilated "$name"; then
  57                         continue;
  58                 fi;
  59
  60                 if [ -n "$terse" ]; then
  61                         echo "$name"
  62                         continue
  63                 fi
  64                 if [ -n "$graphviz" ]; then
  65                         git cat-file blob "$name:.topdeps" | while read dep; do
  66                                 dep_is_tgish=true
  67                                 ref_exists "refs/top-bases/$dep"  ||
  68                                         dep_is_tgish=false
  69                                 if ! "$dep_is_tgish" || ! branch_annihilated $dep; then
  70                                         echo "\"$name\" -> \"$dep\";"
  71                                 fi
  72                         done
  73                         continue
  74                 fi
  75
  76                 missing_deps=
  77
  78                 current=' '
  79                 [ "$name" != "$curname" ] || current='>'
  80                 nonempty=' '
  81                 ! branch_empty "$name" || nonempty='0'
  82                 remote=' '
  83                 [ -z "$base_remote" ] || remote='l'
  84                 ! has_remote "$name" || remote='r'
  85                 rem_update=' '
  86                 [ "$remote" != 'r' ] || ! ref_exists "refs/remotes/$base_remote/top-bases/$name" || {
  87                         branch_contains "refs/top-bases/$name" "refs/remotes/$base_remote/top-bases/$name" &&
  88                         branch_contains "$name" "refs/remotes/$base_remote/$name"
  89                 } || rem_update='R'
  90                 [ "$rem_update" = 'R' ] || branch_contains "refs/remotes/$base_remote/$name" "$name" 2>/dev/null ||
  91                         rem_update='L'
  92                 deps_update=' '
  93                 needs_update "$name" >/dev/null || deps_update='D'
  94                 deps_missing=' '
  95                 [ -z "$missing_deps" ] || deps_missing='!'
  96                 base_update=' '
  97                 branch_contains "$name" "refs/top-bases/$name" || base_update='B'
  98
  99                 if [ "$(git rev-parse "$name")" != "$rev" ]; then
 100                         subject="$(git cat-file blob "$name:.topmsg" | sed -n 's/^Subject: //p')"
 101                 else
 102                         # No commits yet
 103                         subject="(No commits)"
 104                 fi
 105
 106                 printf '%s\t%-31s\t%s\n' "$current$nonempty$remote$rem_update$deps_update$deps_missing$base_update" \
 107                         "$name" "$subject"
 108         done
 109
 110 if [ -n "$graphviz" ]; then
 111         echo '}'
 112 fi
 113
 114 # vim:noet