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
   5 # GPLv2
   6
   7 USAGE="Usage: ${tgname:-tg} [...] info [--heads] [<name>]"
   8
   9 usage()
  10 {
  11         if [ "${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
  23 while [ $# -gt 0 ]; do case "$1" in
  24         -h|--help)
  25                 usage
  26                 ;;
  27         --heads)
  28                 heads=1
  29                 ;;
  30         -?*)
  31                 echo "Unknown option: $1" >&2
  32                 usage 1
  33                 ;;
  34         *)
  35                 break
  36                 ;;
  37 esac; shift; done
  38 [ $# -gt 0 ] || set -- HEAD
  39 [ $# -eq 1 ] || die "name already specified ($1)"
  40 name="$1"
  41
  42 # true if $1 is an ancestor of (or the same as) $2
  43 is_ancestor()
  44 {
  45         [ -z "$(git rev-list --max-count=1 "$1" --not "$2" --)" ]
  46 }
  47
  48 if [ -n "$heads" ]; then
  49         hash="$(git rev-parse --verify --quiet "$name" --)" || die "no such ref: $name"
  50         $tg summary --tgish-only --heads |
  51         while read -r head; do
  52                 if is_ancestor "$hash" "refs/heads/$head"; then
  53                         printf '%s\n' "$head"
  54                 fi
  55         done
  56         exit 0
  57 fi
  58
  59 name="$(verify_topgit_branch "${name:-HEAD}")"
  60 base_rev="$(git rev-parse --short --verify "refs/top-bases/$name" -- 2>/dev/null)" ||
  61         die "not a TopGit-controlled branch"
  62
  63 measure="$(measure_branch "$name" "$base_rev")"
  64
  65 echo "Topic Branch: $name ($measure)"
  66 if [ "$(git rev-parse --verify --short "$name" --)" = "$base_rev" ]; then
  67         echo "* No commits."
  68         exit 0
  69 fi
  70
  71 git cat-file blob "$name:.topmsg" | grep ^Subject: || :
  72
  73 echo "Base: $base_rev"
  74 branch_contains "refs/heads/$name" "refs/top-bases/$name" ||
  75         echo "* Base is newer than head! Please run \`$tgdisplay update\`."
  76
  77 if has_remote "$name"; then
  78         echo "Remote Mate: $base_remote/$name"
  79         branch_contains "refs/top-bases/$name" "refs/remotes/$base_remote/top-bases/$name" ||
  80                 echo "* Local base is out of date wrt. the remote base."
  81         branch_contains "refs/heads/$name" "refs/remotes/$base_remote/$name" ||
  82                 echo "* Local head is out of date wrt. the remote head."
  83         branch_contains "refs/remotes/$base_remote/$name" "refs/heads/$name" ||
  84                 echo "* Local head is ahead of the remote head."
  85 fi
  86
  87 git cat-file blob "$name:.topdeps" 2>/dev/null |
  88         sed '1{ s/^/Depends: /; n; }; s/^/         /;'
  89
  90 depcheck="$(get_temp tg-depcheck)"
  91 missing_deps=
  92 needs_update "$name" >"$depcheck" || :
  93 if [ -n "$missing_deps" ]; then
  94         echo "MISSING: $missing_deps"
  95 fi
  96 depcheck2="$(get_temp tg-depcheck2)"
  97 sed '/^!/d' <"$depcheck" >"$depcheck2"
  98 if [ -s "$depcheck2" ]; then
  99         echo "Needs update from:"
 100         cat "$depcheck2" |
 101                 sed 's/ [^ ]* *$//' | # last is $name
 102                 sed 's/^[:] //' | # don't distinguish base updates
 103                 sed 's/^% /~/' | # but we may need special remote handling
 104                 while read dep chain; do
 105                         rmt=
 106                         dep2=
 107                         case "$dep" in "~"?*)
 108                                 rmt=1
 109                                 dep="${dep#?}"
 110                                 #dep2="refs/remotes/$base_remote/$dep"
 111                         esac
 112                         printf '%s' "$dep "
 113                         [ -n "$chain" ] && printf '%s' "(<= $(echo "$chain" | sed 's/ / <= /')) "
 114                         dep_parent="${chain%% *}"
 115                         printf '%s' "($(measure_branch "$dep" "${dep2:-$name}"))"
 116                         echo
 117                 done | sed 's/^/        /'
 118 else
 119         echo "Up-to-date${missing_deps:+ (except for missing dependencies)}."
 120 fi
 121
 122 # vim:noet