tg-info.sh

   1 #!/bin/sh
   2 # TopGit - A different patch queue manager
   3 # Copyright (C) Petr Baudis <pasky@suse.cz>  2008
   4 # Copyright (C) Kyle J. McKay <mackyle@gmail.com>  2015, 2016, 2017
   5 # GPLv2
   6
   7 USAGE="Usage: ${tgname:-tg} [...] info [--heads | --leaves] [<name>]"
   8
   9 usage()
  10 {
  11         if [ "${1:-0}" != 0 ]; then
  12                 printf '%s\n' "$USAGE" >&2
  13         else
  14                 printf '%s\n' "$USAGE"
  15         fi
  16         exit ${1:-0}
  17 }
  18
  19 ## Parse options
  20
  21 heads=
  22 leaves=
  23
  24 while [ $# -gt 0 ]; do case "$1" in
  25         -h|--help)
  26                 usage
  27                 ;;
  28         --heads)
  29                 heads=1
  30                 ;;
  31         --leaves)
  32                 leaves=1
  33                 ;;
  34         -?*)
  35                 echo "Unknown option: $1" >&2
  36                 usage 1
  37                 ;;
  38         *)
  39                 break
  40                 ;;
  41 esac; shift; done
  42 [ "$heads$leaves" != "11" ] || die "mutually exclusive options --heads and --leaves"
  43 [ $# -gt 0 ] || set -- HEAD
  44 [ $# -eq 1 ] || die "name already specified ($1)"
  45 name="$1"
  46
  47 process_dep()
  48 {
  49         if [ -n "$_dep_is_tgish" ] && [ -z "$_dep_missing$_dep_annihilated" ]; then
  50                 printf '%s\n' "$_dep ${_depchain##* }"
  51         fi
  52 }
  53
  54 if [ -n "$heads" ]; then
  55         no_remotes=1
  56         base_remote=
  57         verify="$name"
  58         ! test="$(verify_topgit_branch "${name:-HEAD}" -f)" || verify="refs/heads/$test"
  59         hash="$(git rev-parse --verify --quiet "$verify" --)" || die "no such ref: $name"
  60         depslist="$(get_temp depslist)"
  61         $tg summary --topgit-heads |
  62         while read -r onetghead; do
  63                 printf '%s %s\n' "$onetghead" "$onetghead"
  64                 recurse_deps process_dep "$onetghead"
  65         done | LC_ALL=C sort -u >"$depslist"
  66         git branch --no-color --contains "$hash" | LC_ALL=C cut -c 3- |
  67         LC_ALL=C join -o 2.2 - "$depslist" |
  68         LC_ALL=C sort -u
  69         exit 0
  70 fi
  71
  72 name="$(verify_topgit_branch "${name:-HEAD}")"
  73 if [ -n "$leaves" ]; then
  74         find_leaves "$name"
  75         exit 0
  76 fi
  77 base_rev="$(git rev-parse --short --verify "refs/$topbases/$name" -- 2>/dev/null)" ||
  78         die "not a TopGit-controlled branch"
  79
  80 measure="$(measure_branch "refs/heads/$name" "$base_rev")"
  81
  82 echo "Topic Branch: $name ($measure)"
  83 if [ "$(git rev-parse --verify --short "refs/heads/$name" --)" = "$base_rev" ]; then
  84         echo "* No commits."
  85         exit 0
  86 fi
  87
  88 git cat-file blob "$name:.topmsg" | grep ^Subject: || :
  89
  90 echo "Base: $base_rev"
  91 branch_contains "refs/heads/$name" "refs/$topbases/$name" ||
  92         echo "* Base is newer than head! Please run \`$tgdisplay update\`."
  93
  94 if has_remote "$name"; then
  95         echo "Remote Mate: $base_remote/$name"
  96         branch_contains "refs/$topbases/$name" "refs/remotes/$base_remote/${topbases#heads/}/$name" ||
  97                 echo "* Local base is out of date wrt. the remote base."
  98         branch_contains "refs/heads/$name" "refs/remotes/$base_remote/$name" ||
  99                 echo "* Local head is out of date wrt. the remote head."
 100         branch_contains "refs/remotes/$base_remote/$name" "refs/heads/$name" ||
 101                 echo "* Local head is ahead of the remote head."
 102 fi
 103
 104 git cat-file blob "$name:.topdeps" 2>/dev/null |
 105         sed '1{ s/^/Depends: /; n; }; s/^/         /;'
 106
 107 depcheck="$(get_temp tg-depcheck)"
 108 missing_deps=
 109 needs_update "$name" >"$depcheck" || :
 110 if [ -n "$missing_deps" ]; then
 111         echo "MISSING: $missing_deps"
 112 fi
 113 depcheck2="$(get_temp tg-depcheck2)"
 114 sed '/^!/d' <"$depcheck" >"$depcheck2"
 115 if [ -s "$depcheck2" ]; then
 116         echo "Needs update from:"
 117         # 's/ [^ ]* *$//' -- last is $name
 118         # 's/^[:] /:/'    -- don't distinguish base updates
 119         <"$depcheck2" sed -e 's/ [^ ]* *$//' -e 's/^[:] /:/' |
 120                 while read dep chain; do
 121                         case "$dep" in
 122                                 :*)
 123                                         dep="${dep#:}"
 124                                         fulldep="refs/heads/$dep"
 125                                         extradep="refs/$topbases/$dep"
 126                                         ;;
 127                                 *)
 128                                         extradep=
 129                                         case "$dep" in
 130                                                 refs/*)
 131                                                         fulldep="$dep";;
 132                                                 *)
 133                                                         fulldep="refs/heads/$dep";;
 134                                         esac
 135                                         ;;
 136                         esac
 137                         printf '%s' "$dep "
 138                         [ -n "$chain" ] && printf '%s' "(<= $(echol "$chain" | sed 's/ / <= /')) "
 139                         printf '%s' "($(eval measure_branch '"$fulldep"' '"refs/heads/$name"' ${extradep:+\"\$extradep\"}))"
 140                         echo
 141                 done | sed 's/^/        /'
 142 else
 143         echo "Up-to-date${missing_deps:+ (except for missing dependencies)}."
 144 fi
 145
 146 # vim:noet