tg-summary.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 # All rights reserved.
   6 # GPLv2
   7
   8 terse=
   9 graphviz=
  10 sort=
  11 deps=
  12 depsonly=
  13 rdeps=
  14 head_from=
  15 branches=
  16 head=
  17 heads=
  18 exclude=
  19 tgish=
  20 withdeps=
  21
  22 ## Parse options
  23
  24 usage()
  25 {
  26         echo "Usage: ${tgname:-tg} [...] summary [-t | --list | --heads | --sort | --deps | --deps-only | --rdeps | --graphviz] [-i | -w] [--tgish-only] [--with-deps] [--exclude branch]... [--all | branch...]" >&2
  27         exit 1
  28 }
  29
  30 while [ -n "$1" ]; do
  31         arg="$1"
  32         case "$arg" in
  33         -i|-w)
  34                 [ -z "$head_from" ] || die "-i and -w are mutually exclusive"
  35                 head_from="$arg";;
  36         -t|--list|-l)
  37                 terse=1;;
  38         --heads)
  39                 heads=1;;
  40         --with-deps)
  41                 head=HEAD
  42                 withdeps=1;;
  43         --graphviz)
  44                 graphviz=1;;
  45         --sort)
  46                 sort=1;;
  47         --deps)
  48                 deps=1;;
  49         --tgish-only)
  50                 tgish=1;;
  51         --deps-only)
  52                 head=HEAD
  53                 depsonly=1;;
  54         --rdeps)
  55                 head=HEAD
  56                 rdeps=1;;
  57         --all)
  58                 break;;
  59         --exclude=*)
  60                 [ -n "${1#--exclude=}" ] || die "--exclude= requires a branch name"
  61                 exclude="$exclude ${1#--exclude=}";;
  62         --exclude)
  63                 shift
  64                 [ -n "$1" -a "$1" != "--all" ] || die "--exclude requires a branch name"
  65                 exclude="$exclude $1";;
  66         -*)
  67                 usage;;
  68         *)
  69                 break;;
  70         esac
  71         shift
  72 done
  73 [ -z "$exclude" ] || exclude="$exclude "
  74 if [ "$1" = "--all" ]; then
  75         [ -z "$withdeps" ] || die "mutually exclusive options given"
  76         [ $# -eq 1 ] || usage
  77         shift
  78         head=
  79 fi
  80 [ "$heads$rdeps" != "11" ] || head=
  81 [ $# -ne 0 -o -z "$head" ] || set -- "$head"
  82
  83 [ "$terse$heads$graphviz$sort$deps$depsonly" = "" ] ||
  84         [ "$terse$heads$graphviz$sort$deps$depsonly$rdeps" = "1" ] ||
  85                 [ "$terse$heads$graphviz$sort$deps$depsonly$rdeps" = "11" -a "$heads$rdeps" = "11" ] ||
  86         die "mutually exclusive options given"
  87 [ -z "$withdeps" -o -z "$rdeps$depsonly$heads" ] ||
  88         die "mutually exclusive options given"
  89
  90 for b; do
  91         [ "$b" != "--all" ] || usage
  92         branches="$branches $(verify_topgit_branch "$b")"
  93 done
  94
  95 get_branch_list()
  96 {
  97         if [ -n "$branches" ]; then
  98                 printf '%s\n' $branches
  99         else
 100                 non_annihilated_branches
 101         fi
 102 }
 103
 104 show_heads()
 105 {
 106         topics="$(get_temp topics)"
 107         get_branch_list | sed -e 's,^\(.*\)$,refs/heads/\1 \1,' |
 108         git cat-file --batch-check='%(objectname) %(rest)' |
 109         sort -u -b -k1,1 >"$topics"
 110         git merge-base --independent $(cut -d ' ' -f 1 <"$topics") |
 111         sort -u -b -k1,1 | join - "$topics" | sort -u -b -k2,2 |
 112         while read rev name; do
 113                 case "$exclude" in *" $name "*) continue; esac
 114                 printf '%s\n' "$name"
 115         done
 116 }
 117
 118 if [ -n "$heads" -a -z "$rdeps" ]; then
 119         show_heads
 120         exit 0
 121 fi
 122
 123 show_dep() {
 124         case "$exclude" in *" $_dep "*) return; esac
 125         case " $seen_deps " in *" $_dep "*) return 0; esac
 126         seen_deps="${seen_deps:+$seen_deps }$_dep"
 127         [ -z "$tgish" -o -n "$_dep_is_tgish" ] || return 0
 128         printf '%s\n' "$_dep"
 129 }
 130
 131 show_deps()
 132 {
 133         no_remotes=1
 134         recurse_deps_exclude=
 135         get_branch_list | while read _b; do
 136                 case "$exclude" in *" $_b "*) continue; esac
 137                 case " $recurse_deps_exclude " in *" $_b "*) continue; esac
 138                 seen_deps=
 139                 _dep="$_b"; _dep_is_tgish=1; show_dep
 140                 recurse_deps show_dep "$_b"
 141                 recurse_deps_exclude="$recurse_deps_exclude $seen_deps"
 142         done
 143 }
 144
 145 if [ -n "$depsonly" ]; then
 146         show_deps | LC_ALL=C sort -u -b -k1,1
 147         exit 0
 148 fi
 149
 150 show_rdeps()
 151 {
 152         case "$exclude" in *" $_dep "*) return; esac
 153         [ -z "$tgish" -o -n "$_dep_is_tgish" ] || return 0
 154         printf '%s %s\n' "$_depchain" "$_dep"
 155 }
 156
 157 if [ -n "$rdeps" ]; then
 158         no_remotes=1
 159         showbreak=
 160         {
 161                 if [ -n "$heads" ]; then
 162                         show_heads
 163                 else
 164                         get_branch_list
 165                 fi
 166         } | while read b; do
 167                 case "$exclude" in *" $b "*) continue; esac
 168                 [ -z "$showbreak" ] || echo
 169                 showbreak=1
 170                 ref_exists "refs/heads/$b" || continue
 171                 {
 172                         echol "$b"
 173                         recurse_preorder=1
 174                         recurse_deps show_rdeps "$b"
 175                 } | sed -e 's/[^ ][^ ]*[ ]/  /g'
 176         done
 177         exit 0
 178 fi
 179
 180 if [ -n "$withdeps" ]; then
 181         savetgish="$tgish"
 182         tgish=1
 183         branches="$(show_deps | LC_ALL=C sort -u -b -k1,1)"
 184         tgish="$savetgish"
 185 fi
 186
 187 curname="$(strip_ref "$(git symbolic-ref -q HEAD || :)")"
 188
 189 if [ -n "$graphviz" ]; then
 190         cat <<EOT
 191 # GraphViz output; pipe to:
 192 #   | dot -Tpng -o <output>
 193 # or
 194 #   | dot -Txlib
 195
 196 digraph G {
 197
 198 graph [
 199   rankdir = "TB"
 200   label="TopGit Layout\n\n\n"
 201   fontsize = 14
 202   labelloc=top
 203   pad = "0.5,0.5"
 204 ];
 205
 206 EOT
 207 fi
 208
 209 if [ -n "$sort" ]; then
 210         tsort_input="$(get_temp tg-summary-sort)"
 211         exec 4>$tsort_input
 212         exec 5<$tsort_input
 213 fi
 214
 215 ## List branches
 216
 217 process_branch()
 218 {
 219         missing_deps=
 220
 221         current=' '
 222         [ "$name" != "$curname" ] || current='>'
 223         from=$head_from
 224         [ "$name" = "$curname" ] ||
 225                 from=
 226         nonempty=' '
 227         ! branch_empty "$name" $from || nonempty='0'
 228         remote=' '
 229         [ -z "$base_remote" ] || remote='l'
 230         ! has_remote "$name" || remote='r'
 231         rem_update=' '
 232         [ "$remote" != 'r' ] || ! ref_exists "refs/remotes/$base_remote/$topbases/$name" || {
 233                 branch_contains "refs/$topbases/$name" "refs/remotes/$base_remote/$topbases/$name" &&
 234                 branch_contains "refs/heads/$name" "refs/remotes/$base_remote/$name"
 235         } || rem_update='R'
 236         [ "$remote" != 'r' -o "$rem_update" = 'R' ] || {
 237                 branch_contains "refs/remotes/$base_remote/$name" "refs/heads/$name" 2>/dev/null
 238         } || rem_update='L'
 239         deps_update=' '
 240         needs_update "$name" >/dev/null || deps_update='D'
 241         deps_missing=' '
 242         [ -z "$missing_deps" ] || deps_missing='!'
 243         base_update=' '
 244         branch_contains "refs/heads/$name" "refs/$topbases/$name" || base_update='B'
 245
 246         if [ "$(ref_exists_rev "refs/heads/$name")" != "$(ref_exists_rev "refs/$topbases/$name")" ]; then
 247                 subject="$(cat_file "refs/heads/$name:.topmsg" $from | sed -n 's/^Subject: //p')"
 248         else
 249                 # No commits yet
 250                 subject="(No commits)"
 251         fi
 252
 253         printf '%s\t%-31s\t%s\n' "$current$nonempty$remote$rem_update$deps_update$deps_missing$base_update" \
 254                 "$name" "$subject"
 255 }
 256
 257 if [ -n "$deps" ]; then
 258         if [ -n "$branches" ]; then
 259                 get_branch_list |
 260                         while read b; do
 261                                 case "$exclude" in *" $b "*) continue; esac
 262                                 list_deps $head_from $b |
 263                                         while read name dep; do
 264                                                 case "$exclude" in *" $dep "*) continue; esac
 265                                                 [ -z "$tgish" ] || ref_exists "refs/$topbases/$dep" || continue
 266                                                 echo "$name $dep"
 267                                         done
 268                         done
 269         else
 270                 list_deps $head_from |
 271                         while read name dep; do
 272                                 case "$exclude" in *" $dep "*) continue; esac
 273                                 [ -z "$tgish" ] || ref_exists "refs/$topbases/$dep" || continue
 274                                 echo "$name $dep"
 275                         done
 276         fi
 277         exit 0
 278 fi
 279
 280 get_branch_list |
 281         while read name; do
 282                 case "$exclude" in *" $name "*) continue; esac
 283                 if [ -n "$terse" ]; then
 284                         echol "$name"
 285                 elif [ -n "$graphviz$sort" ]; then
 286                         from=$head_from
 287                         [ "$name" = "$curname" ] ||
 288                                 from=
 289                         cat_file "refs/heads/$name:.topdeps" $from | while read dep; do
 290                                 dep_is_tgish=true
 291                                 ref_exists "refs/$topbases/$dep" ||
 292                                         dep_is_tgish=false
 293                                 [ -z "$tgish" ] || [ "$dep_is_tgish" = "true" ] || continue
 294                                 if ! "$dep_is_tgish" || ! branch_annihilated $dep; then
 295                                         if [ -n "$graphviz" ]; then
 296                                                 echo "\"$name\" -> \"$dep\";"
 297                                                 if [ "$name" = "$curname" ] || [ "$dep" = "$curname" ]; then
 298                                                         echo "\"$curname\" [style=filled,fillcolor=yellow];"
 299                                                 fi
 300                                         else
 301                                                 echo "$name $dep" >&4
 302                                         fi
 303                                 fi
 304                         done
 305                 else
 306                         process_branch
 307                 fi
 308         done
 309
 310 if [ -n "$graphviz" ]; then
 311         echo '}'
 312 fi
 313
 314 if [ -n "$sort" ]; then
 315         tsort <&5
 316 fi
 317
 318
 319 # vim:noet