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="\
   8 Usage: ${tgname:-tg} [...] info [--heads | --leaves | --series[=<head>]] [<name>]
   9    Or: ${tgname:-tg} [...] info [--deps | --dependents] [<name>]"
  10
  11 usage()
  12 {
  13         if [ "${1:-0}" != 0 ]; then
  14                 printf '%s\n' "$USAGE" >&2
  15         else
  16                 printf '%s\n' "$USAGE"
  17         fi
  18         exit ${1:-0}
  19 }
  20
  21 ## Parse options
  22
  23 datamode=
  24 heads=
  25 leaves=
  26 deps=
  27 dependents=
  28 series=
  29 serieshead=
  30 verbose=
  31
  32 while [ $# -gt 0 ]; do case "$1" in
  33         -h|--help)
  34                 usage
  35                 ;;
  36         --heads)
  37                 heads=1 datamode=1
  38                 ;;
  39         --leaves)
  40                 leaves=1 datamode=1
  41                 ;;
  42         --deps)
  43                 deps=1 datamode=1
  44                 ;;
  45         --dependents)
  46                 dependents=1 datamode=1
  47                 ;;
  48         --series)
  49                 series=1 datamode=1
  50                 ;;
  51         --series=*)
  52                 series=1 datamode=1
  53                 serieshead="${1#--series=}"
  54                 ;;
  55         -v|--verbose)
  56                 verbose=$(( ${verbose:-0} + 1 ))
  57                 ;;
  58         -vv|-vvv|-vvvv|-vvvvv)
  59                 verbose=$(( ${verbose:-0} + ${#1} - 1 ))
  60                 ;;
  61         -?*)
  62                 echo "Unknown option: $1" >&2
  63                 usage 1
  64                 ;;
  65         *)
  66                 break
  67                 ;;
  68 esac; shift; done
  69 [ -z "$datamode" ] || [ "$heads$leaves$deps$dependents$series" = "1" ] ||
  70         die "mutually exclusive options: --series --deps --heads --leaves --dependents"
  71 [ $# -gt 0 ] || set -- HEAD
  72 [ $# -eq 1 ] || die "name already specified ($1)"
  73 name="$1"
  74
  75 process_dep()
  76 {
  77         if [ -n "$_dep_is_tgish" ] && [ -z "$_dep_missing$_dep_annihilated" ]; then
  78                 printf '%s\n' "$_dep ${_depchain##* }"
  79         fi
  80 }
  81
  82 if [ -n "$heads" ]; then
  83         no_remotes=1
  84         base_remote=
  85         verify="$name"
  86         v_verify_topgit_branch tgbranch "${name:-HEAD}" -f || tgbranch=
  87         [ -n "$tgbranch" ] || tgbranch="$(git cat-file blob HEAD:.topdeps 2>/dev/null | paste -d ' ' -s -)" || :
  88         if [ -n "$tgbranch" ]; then
  89                 # faster version with known TopGit branch name(s)
  90                 navigate_deps -s=-1 -1 -- "$tgbranch" | sort
  91                 exit 0
  92         fi
  93         hash="$(git rev-parse --verify --quiet "$verify" --)" || die "no such ref: $name"
  94         depslist="$(get_temp depslist)"
  95         tg summary --topgit-heads |
  96         while read -r onetghead; do
  97                 printf '%s %s\n' "$onetghead" "$onetghead"
  98                 recurse_deps process_dep "$onetghead"
  99         done | sort -u >"$depslist"
 100         git branch --no-color --contains "$hash" | cut -c 3- |
 101         join -o 2.2 - "$depslist" |
 102         sort -u
 103         exit 0
 104 fi
 105
 106 v_cntargs() { eval "$1=$(( $# - 1 ))"; }
 107 if [ -n "$series" ]; then
 108         if [ -z "$serieshead" ]; then
 109                 v_verify_topgit_branch name "${name:-HEAD}"
 110                 heads="$(navigate_deps -s=-1 -1 -- "$name" | sort | paste -d ' ' -s -)" || heads="$name"
 111                 v_cntargs headcnt $heads
 112                 if [ "$headcnt" -gt 1 ]; then
 113                         err "multiple heads found"
 114                         info "use the --series=<head> option on one of them:" >&2
 115                         for ahead in $heads; do
 116                                 info "$tab$ahead" >&2
 117                         done
 118                         die "--series requires exactly one head"
 119                 fi
 120                 [ "$headcnt" = 1 ] || die "programmer bug"
 121                 serieshead="$heads"
 122         else
 123                 v_verify_topgit_branch serieshead "$serieshead"
 124                 v_verify_topgit_branch name "${name:-HEAD}" -f || name=
 125         fi
 126         seriesf="$(get_temp series)"
 127         recurse_deps_internal --series -- "$serieshead" | awk '{print $0 " " NR}' | sort >"$seriesf"
 128         refslist=
 129         [ -z "$tg_read_only" ] || [ -z "$tg_ref_cache" ] || ! [ -s "$tg_ref_cache" ] ||
 130         refslist="-r=\"$tg_ref_cache\""
 131         flagname=
 132         [ -z "$name" ] || [ "$serieshead" = "$name" ] || flagname="$name"
 133         output() {
 134         eval run_awk_topgit_msg -n -nokind "$refslist" '"refs/$topbases"' |
 135         join "$seriesf" - | sort -k2,2n | awk -v "flag=$flagname" '
 136         {
 137                 bn = $1
 138                 mark = ""
 139                 if (flag != "") mark = (bn == flag) ? "* " : "  "
 140                 bn = mark bn
 141                 desc = $0
 142                 sub(/^[^ ]+ [^ ]+ /, "", desc)
 143                 printf "%-39s\t%s\n", bn, desc
 144         }
 145         '
 146         } && page output
 147         exit 0
 148 fi
 149
 150 v_verify_topgit_branch name "${name:-HEAD}"
 151
 152 if [ -n "$leaves" ]; then
 153         find_leaves "$name"
 154         exit 0
 155 fi
 156
 157 if [ -n "$deps$dependents" ]; then
 158         alldeps="$(get_temp alldeps)"
 159         tg --no-pager summary --deps >"$alldeps" || die "tg summary --deps failed"
 160         if [ -n "$deps" ]; then
 161                 awk -v annb="$name" 'NF == 2 && $2 != "" && $1 == annb { print $2 }' <"$alldeps"
 162         else
 163                 awk -v annb="$name" 'NF == 2 && $1 != "" && $2 == annb { print $1 }' <"$alldeps"
 164         fi
 165         exit 0
 166 fi
 167
 168 base_rev="$(git rev-parse --short --verify "refs/$topbases/$name" -- 2>/dev/null)" ||
 169         die "not a TopGit-controlled branch"
 170
 171 measure="$(measure_branch "refs/heads/$name" "$base_rev")"
 172
 173 echo "Topic Branch: $name ($measure)"
 174
 175 nocommits=
 176 [ "$(git rev-parse --verify --short "refs/heads/$name" --)" != "$base_rev" ] || nocommits=1
 177
 178 [ -n "$nocommits" ] || git cat-file blob "$name:.topmsg" 2>/dev/null | grep ^Subject: || :
 179
 180 if [ "${verbose:-0}" -ge 1 ]; then
 181         scratch="$(get_temp scratch)"
 182         printf '%s\n' "$name" >"$scratch"
 183         dependents="$(get_temp dependents_list)"
 184         tg summary --deps | sort -k2,2 | join -1 2 - "$scratch" | cut -d ' ' -f 2 | sort -u >"$dependents"
 185         if ! [ -s "$dependents" ]; then
 186                 echo "Dependents: [none]"
 187         else
 188                 if [ "${verbose:-0}" -le 1 ]; then
 189                         sed '1{ s/^/Dependents: /; n; }; s/^/            /;' <"$dependents"
 190                 else
 191                         minwidth=0
 192                         while read -r endent; do
 193                                 [ ${#endent} -le $minwidth ] || minwidth=${#endent}
 194                         done <"$dependents"
 195                         prefix="Dependents:"
 196                         while read -r endent; do
 197                                 ood=
 198                                 contained_by "refs/heads/$name" "refs/$topbases/$endent" || ood=1
 199                                 if [ -n "$ood" ]; then
 200                                         printf '%s %-*s [needs merge]\n' "$prefix" $minwidth "$endent"
 201                                 else
 202                                         printf '%s %s\n' "$prefix" "$endent"
 203                                 fi
 204                                 prefix="           "
 205                         done <"$dependents"
 206                 fi
 207         fi
 208 fi
 209
 210 if [ -n "$nocommits" ]; then
 211         echo "* No commits."
 212         exit 0
 213 fi
 214
 215 echo "Base: $base_rev"
 216 branch_contains "refs/heads/$name" "refs/$topbases/$name" ||
 217         echo "* Base is newer than head! Please run \`$tgdisplay update\`."
 218
 219 if has_remote "$name"; then
 220         echo "Remote Mate: $base_remote/$name"
 221         branch_contains "refs/$topbases/$name" "refs/remotes/$base_remote/${topbases#heads/}/$name" ||
 222                 echo "* Local base is out of date wrt. the remote base."
 223         branch_contains "refs/heads/$name" "refs/remotes/$base_remote/$name" ||
 224                 echo "* Local head is out of date wrt. the remote head."
 225         branch_contains "refs/remotes/$base_remote/$name" "refs/heads/$name" ||
 226                 echo "* Local head is ahead of the remote head."
 227 fi
 228
 229 git cat-file blob "$name:.topdeps" 2>/dev/null |
 230         sed '1{ s/^/Depends: /; n; }; s/^/         /;'
 231
 232 depcheck="$(get_temp tg-depcheck)"
 233 missing_deps=
 234 needs_update "$name" >"$depcheck" || :
 235 if [ -n "$missing_deps" ]; then
 236         echo "MISSING: $missing_deps"
 237 fi
 238 depcheck2="$(get_temp tg-depcheck2)"
 239 sed '/^!/d' <"$depcheck" >"$depcheck2"
 240 if [ -s "$depcheck2" ]; then
 241         echo "Needs update from:"
 242         # 's/ [^ ]* *$//' -- last is $name
 243         # 's/^[:] /:/'    -- don't distinguish base updates
 244         <"$depcheck2" sed -e 's/ [^ ]* *$//' -e 's/^[:] /:/' |
 245                 while read dep chain; do
 246                         case "$dep" in
 247                                 :*)
 248                                         dep="${dep#:}"
 249                                         fulldep="refs/heads/$dep"
 250                                         extradep="refs/$topbases/$dep"
 251                                         ;;
 252                                 *)
 253                                         extradep=
 254                                         case "$dep" in
 255                                                 refs/*)
 256                                                         fulldep="$dep";;
 257                                                 *)
 258                                                         fulldep="refs/heads/$dep";;
 259                                         esac
 260                                         ;;
 261                         esac
 262                         printf '%s' "$dep "
 263                         [ -n "$chain" ] && printf '%s' "(<= $(echol "$chain" | sed 's/ / <= /')) "
 264                         printf '%s' "($(eval measure_branch '"$fulldep"' '"refs/heads/$name"' ${extradep:+\"\$extradep\"}))"
 265                         echo
 266                 done | sed 's/^/        /'
 267 else
 268         echo "Up-to-date${missing_deps:+ (except for missing dependencies)}."
 269 fi