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 verbose=
  24
  25 while [ $# -gt 0 ]; do case "$1" in
  26         -h|--help)
  27                 usage
  28                 ;;
  29         --heads)
  30                 heads=1
  31                 ;;
  32         --leaves)
  33                 leaves=1
  34                 ;;
  35         -v|--verbose)
  36                 verbose=$(( ${verbose:-0} + 1 ))
  37                 ;;
  38         -vv|-vvv|-vvvv|-vvvvv)
  39                 verbose=$(( ${verbose:-0} + ${#1} - 1 ))
  40                 ;;
  41         -?*)
  42                 echo "Unknown option: $1" >&2
  43                 usage 1
  44                 ;;
  45         *)
  46                 break
  47                 ;;
  48 esac; shift; done
  49 [ "$heads$leaves" != "11" ] || die "mutually exclusive options --heads and --leaves"
  50 [ $# -gt 0 ] || set -- HEAD
  51 [ $# -eq 1 ] || die "name already specified ($1)"
  52 name="$1"
  53
  54 process_dep()
  55 {
  56         if [ -n "$_dep_is_tgish" ] && [ -z "$_dep_missing$_dep_annihilated" ]; then
  57                 printf '%s\n' "$_dep ${_depchain##* }"
  58         fi
  59 }
  60
  61 if [ -n "$heads" ]; then
  62         no_remotes=1
  63         base_remote=
  64         verify="$name"
  65         ! test="$(verify_topgit_branch "${name:-HEAD}" -f)" || verify="refs/heads/$test"
  66         hash="$(git rev-parse --verify --quiet "$verify" --)" || die "no such ref: $name"
  67         depslist="$(get_temp depslist)"
  68         tg summary --topgit-heads |
  69         while read -r onetghead; do
  70                 printf '%s %s\n' "$onetghead" "$onetghead"
  71                 recurse_deps process_dep "$onetghead"
  72         done | sort -u >"$depslist"
  73         git branch --no-color --contains "$hash" | cut -c 3- |
  74         join -o 2.2 - "$depslist" |
  75         sort -u
  76         exit 0
  77 fi
  78
  79 name="$(verify_topgit_branch "${name:-HEAD}")"
  80 if [ -n "$leaves" ]; then
  81         find_leaves "$name"
  82         exit 0
  83 fi
  84 base_rev="$(git rev-parse --short --verify "refs/$topbases/$name" -- 2>/dev/null)" ||
  85         die "not a TopGit-controlled branch"
  86
  87 measure="$(measure_branch "refs/heads/$name" "$base_rev")"
  88
  89 echo "Topic Branch: $name ($measure)"
  90
  91 nocommits=
  92 [ "$(git rev-parse --verify --short "refs/heads/$name" --)" != "$base_rev" ] || nocommits=1
  93
  94 [ -n "$nocommits" ] || git cat-file blob "$name:.topmsg" 2>/dev/null | grep ^Subject: || :
  95
  96 if [ "${verbose:-0}" -ge 1 ]; then
  97         scratch="$(get_temp scratch)"
  98         printf '%s\n' "$name" >"$scratch"
  99         dependents="$(get_temp dependents_list)"
 100         tg summary --deps | sort -k2,2 | join -1 2 - "$scratch" | cut -d ' ' -f 2 | sort -u >"$dependents"
 101         if ! [ -s "$dependents" ]; then
 102                 echo "Dependents: [none]"
 103         else
 104                 if [ "${verbose:-0}" -le 1 ]; then
 105                         sed '1{ s/^/Dependents: /; n; }; s/^/            /;' <"$dependents"
 106                 else
 107                         minwidth=0
 108                         while read -r endent; do
 109                                 [ ${#endent} -le $minwidth ] || minwidth=${#endent}
 110                         done <"$dependents"
 111                         prefix="Dependents:"
 112                         while read -r endent; do
 113                                 ood=
 114                                 contained_by "refs/heads/$name" "refs/$topbases/$endent" || ood=1
 115                                 if [ -n "$ood" ]; then
 116                                         printf '%s %-*s [needs merge]\n' "$prefix" $minwidth "$endent"
 117                                 else
 118                                         printf '%s %s\n' "$prefix" "$endent"
 119                                 fi
 120                                 prefix="           "
 121                         done <"$dependents"
 122                 fi
 123         fi
 124 fi
 125
 126 if [ -n "$nocommits" ]; then
 127         echo "* No commits."
 128         exit 0
 129 fi
 130
 131 echo "Base: $base_rev"
 132 branch_contains "refs/heads/$name" "refs/$topbases/$name" ||
 133         echo "* Base is newer than head! Please run \`$tgdisplay update\`."
 134
 135 if has_remote "$name"; then
 136         echo "Remote Mate: $base_remote/$name"
 137         branch_contains "refs/$topbases/$name" "refs/remotes/$base_remote/${topbases#heads/}/$name" ||
 138                 echo "* Local base is out of date wrt. the remote base."
 139         branch_contains "refs/heads/$name" "refs/remotes/$base_remote/$name" ||
 140                 echo "* Local head is out of date wrt. the remote head."
 141         branch_contains "refs/remotes/$base_remote/$name" "refs/heads/$name" ||
 142                 echo "* Local head is ahead of the remote head."
 143 fi
 144
 145 git cat-file blob "$name:.topdeps" 2>/dev/null |
 146         sed '1{ s/^/Depends: /; n; }; s/^/         /;'
 147
 148 depcheck="$(get_temp tg-depcheck)"
 149 missing_deps=
 150 needs_update "$name" >"$depcheck" || :
 151 if [ -n "$missing_deps" ]; then
 152         echo "MISSING: $missing_deps"
 153 fi
 154 depcheck2="$(get_temp tg-depcheck2)"
 155 sed '/^!/d' <"$depcheck" >"$depcheck2"
 156 if [ -s "$depcheck2" ]; then
 157         echo "Needs update from:"
 158         # 's/ [^ ]* *$//' -- last is $name
 159         # 's/^[:] /:/'    -- don't distinguish base updates
 160         <"$depcheck2" sed -e 's/ [^ ]* *$//' -e 's/^[:] /:/' |
 161                 while read dep chain; do
 162                         case "$dep" in
 163                                 :*)
 164                                         dep="${dep#:}"
 165                                         fulldep="refs/heads/$dep"
 166                                         extradep="refs/$topbases/$dep"
 167                                         ;;
 168                                 *)
 169                                         extradep=
 170                                         case "$dep" in
 171                                                 refs/*)
 172                                                         fulldep="$dep";;
 173                                                 *)
 174                                                         fulldep="refs/heads/$dep";;
 175                                         esac
 176                                         ;;
 177                         esac
 178                         printf '%s' "$dep "
 179                         [ -n "$chain" ] && printf '%s' "(<= $(echol "$chain" | sed 's/ / <= /')) "
 180                         printf '%s' "($(eval measure_branch '"$fulldep"' '"refs/heads/$name"' ${extradep:+\"\$extradep\"}))"
 181                         echo
 182                 done | sed 's/^/        /'
 183 else
 184         echo "Up-to-date${missing_deps:+ (except for missing dependencies)}."
 185 fi