git-submodule.sh

   1 #!/bin/sh
   2 #
   3 # git-submodules.sh: add, init, update or list git submodules
   4 #
   5 # Copyright (c) 2007 Lars Hjemli
   6
   7 dashless=$(basename "$0" | sed -e 's/-/ /')
   8 USAGE="[--quiet] add [-b branch] [--reference <repository>] [--] <repository> <path>
   9    or: $dashless [--quiet] status [--cached] [--] [<path>...]
  10    or: $dashless [--quiet] init [--] [<path>...]
  11    or: $dashless [--quiet] update [--init] [-N|--no-fetch] [--rebase] [--reference <repository>] [--merge] [--] [<path>...]
  12    or: $dashless [--quiet] summary [--cached] [--summary-limit <n>] [commit] [--] [<path>...]
  13    or: $dashless [--quiet] foreach [--recursive] <command>
  14    or: $dashless [--quiet] sync [--] [<path>...]"
  15 OPTIONS_SPEC=
  16 . git-sh-setup
  17 . git-parse-remote
  18 require_work_tree
  19
  20 command=
  21 branch=
  22 reference=
  23 cached=
  24 nofetch=
  25 update=
  26 prefix=
  27
  28 # Resolve relative url by appending to parent's url
  29 resolve_relative_url ()
  30 {
  31         remote=$(get_default_remote)
  32         remoteurl=$(git config "remote.$remote.url") ||
  33                 die "remote ($remote) does not have a url defined in .git/config"
  34         url="$1"
  35         remoteurl=${remoteurl%/}
  36         while test -n "$url"
  37         do
  38                 case "$url" in
  39                 ../*)
  40                         url="${url#../}"
  41                         remoteurl="${remoteurl%/*}"
  42                         ;;
  43                 ./*)
  44                         url="${url#./}"
  45                         ;;
  46                 *)
  47                         break;;
  48                 esac
  49         done
  50         echo "$remoteurl/${url%/}"
  51 }
  52
  53 #
  54 # Get submodule info for registered submodules
  55 # $@ = path to limit submodule list
  56 #
  57 module_list()
  58 {
  59         git ls-files --error-unmatch --stage -- "$@" | grep '^160000 '
  60 }
  61
  62 #
  63 # Map submodule path to submodule name
  64 #
  65 # $1 = path
  66 #
  67 module_name()
  68 {
  69         # Do we have "submodule.<something>.path = $1" defined in .gitmodules file?
  70         re=$(printf '%s\n' "$1" | sed -e 's/[].[^$\\*]/\\&/g')
  71         name=$( git config -f .gitmodules --get-regexp '^submodule\..*\.path$' |
  72                 sed -n -e 's|^submodule\.\(.*\)\.path '"$re"'$|\1|p' )
  73        test -z "$name" &&
  74        die "No submodule mapping found in .gitmodules for path '$path'"
  75        echo "$name"
  76 }
  77
  78 #
  79 # Clone a submodule
  80 #
  81 # Prior to calling, cmd_update checks that a possibly existing
  82 # path is not a git repository.
  83 # Likewise, cmd_add checks that path does not exist at all,
  84 # since it is the location of a new submodule.
  85 #
  86 module_clone()
  87 {
  88         path=$1
  89         url=$2
  90         reference="$3"
  91
  92         # If there already is a directory at the submodule path,
  93         # expect it to be empty (since that is the default checkout
  94         # action) and try to remove it.
  95         # Note: if $path is a symlink to a directory the test will
  96         # succeed but the rmdir will fail. We might want to fix this.
  97         if test -d "$path"
  98         then
  99                 rmdir "$path" 2>/dev/null ||
 100                 die "Directory '$path' exist, but is neither empty nor a git repository"
 101         fi
 102
 103         test -e "$path" &&
 104         die "A file already exist at path '$path'"
 105
 106         if test -n "$reference"
 107         then
 108                 git-clone "$reference" -n "$url" "$path"
 109         else
 110                 git-clone -n "$url" "$path"
 111         fi ||
 112         die "Clone of '$url' into submodule path '$path' failed"
 113 }
 114
 115 #
 116 # Add a new submodule to the working tree, .gitmodules and the index
 117 #
 118 # $@ = repo path
 119 #
 120 # optional branch is stored in global branch variable
 121 #
 122 cmd_add()
 123 {
 124         # parse $args after "submodule ... add".
 125         while test $# -ne 0
 126         do
 127                 case "$1" in
 128                 -b | --branch)
 129                         case "$2" in '') usage ;; esac
 130                         branch=$2
 131                         shift
 132                         ;;
 133                 -q|--quiet)
 134                         GIT_QUIET=1
 135                         ;;
 136                 --reference)
 137                         case "$2" in '') usage ;; esac
 138                         reference="--reference=$2"
 139                         shift
 140                         ;;
 141                 --reference=*)
 142                         reference="$1"
 143                         shift
 144                         ;;
 145                 --)
 146                         shift
 147                         break
 148                         ;;
 149                 -*)
 150                         usage
 151                         ;;
 152                 *)
 153                         break
 154                         ;;
 155                 esac
 156                 shift
 157         done
 158
 159         repo=$1
 160         path=$2
 161
 162         if test -z "$repo" -o -z "$path"; then
 163                 usage
 164         fi
 165
 166         # assure repo is absolute or relative to parent
 167         case "$repo" in
 168         ./*|../*)
 169                 # dereference source url relative to parent's url
 170                 realrepo=$(resolve_relative_url "$repo") || exit
 171                 ;;
 172         *:*|/*)
 173                 # absolute url
 174                 realrepo=$repo
 175                 ;;
 176         *)
 177                 die "repo URL: '$repo' must be absolute or begin with ./|../"
 178         ;;
 179         esac
 180
 181         # normalize path:
 182         # multiple //; leading ./; /./; /../; trailing /
 183         path=$(printf '%s/\n' "$path" |
 184                 sed -e '
 185                         s|//*|/|g
 186                         s|^\(\./\)*||
 187                         s|/\./|/|g
 188                         :start
 189                         s|\([^/]*\)/\.\./||
 190                         tstart
 191                         s|/*$||
 192                 ')
 193         git ls-files --error-unmatch "$path" > /dev/null 2>&1 &&
 194         die "'$path' already exists in the index"
 195
 196         # perhaps the path exists and is already a git repo, else clone it
 197         if test -e "$path"
 198         then
 199                 if test -d "$path"/.git -o -f "$path"/.git
 200                 then
 201                         echo "Adding existing repo at '$path' to the index"
 202                 else
 203                         die "'$path' already exists and is not a valid git repo"
 204                 fi
 205
 206                 case "$repo" in
 207                 ./*|../*)
 208                         url=$(resolve_relative_url "$repo") || exit
 209                     ;;
 210                 *)
 211                         url="$repo"
 212                         ;;
 213                 esac
 214                 git config submodule."$path".url "$url"
 215         else
 216
 217                 module_clone "$path" "$realrepo" "$reference" || exit
 218                 (
 219                         unset GIT_DIR
 220                         cd "$path" &&
 221                         # ash fails to wordsplit ${branch:+-b "$branch"...}
 222                         case "$branch" in
 223                         '') git checkout -f -q ;;
 224                         ?*) git checkout -f -q -b "$branch" "origin/$branch" ;;
 225                         esac
 226                 ) || die "Unable to checkout submodule '$path'"
 227         fi
 228
 229         git add "$path" ||
 230         die "Failed to add submodule '$path'"
 231
 232         git config -f .gitmodules submodule."$path".path "$path" &&
 233         git config -f .gitmodules submodule."$path".url "$repo" &&
 234         git add .gitmodules ||
 235         die "Failed to register submodule '$path'"
 236 }
 237
 238 #
 239 # Execute an arbitrary command sequence in each checked out
 240 # submodule
 241 #
 242 # $@ = command to execute
 243 #
 244 cmd_foreach()
 245 {
 246         # parse $args after "submodule ... foreach".
 247         while test $# -ne 0
 248         do
 249                 case "$1" in
 250                 -q|--quiet)
 251                         GIT_QUIET=1
 252                         ;;
 253                 --recursive)
 254                         recursive=1
 255                         ;;
 256                 -*)
 257                         usage
 258                         ;;
 259                 *)
 260                         break
 261                         ;;
 262                 esac
 263                 shift
 264         done
 265
 266         module_list |
 267         while read mode sha1 stage path
 268         do
 269                 if test -e "$path"/.git
 270                 then
 271                         say "Entering '$prefix$path'"
 272                         name=$(module_name "$path")
 273                         (
 274                                 prefix="$prefix$path/"
 275                                 unset GIT_DIR
 276                                 cd "$path" &&
 277                                 eval "$@" &&
 278                                 if test -n "$recursive"
 279                                 then
 280                                         cmd_foreach "--recursive" "$@"
 281                                 fi
 282                         ) ||
 283                         die "Stopping at '$path'; script returned non-zero status."
 284                 fi
 285         done
 286 }
 287
 288 #
 289 # Register submodules in .git/config
 290 #
 291 # $@ = requested paths (default to all)
 292 #
 293 cmd_init()
 294 {
 295         # parse $args after "submodule ... init".
 296         while test $# -ne 0
 297         do
 298                 case "$1" in
 299                 -q|--quiet)
 300                         GIT_QUIET=1
 301                         ;;
 302                 --)
 303                         shift
 304                         break
 305                         ;;
 306                 -*)
 307                         usage
 308                         ;;
 309                 *)
 310                         break
 311                         ;;
 312                 esac
 313                 shift
 314         done
 315
 316         module_list "$@" |
 317         while read mode sha1 stage path
 318         do
 319                 # Skip already registered paths
 320                 name=$(module_name "$path") || exit
 321                 url=$(git config submodule."$name".url)
 322                 test -z "$url" || continue
 323
 324                 url=$(git config -f .gitmodules submodule."$name".url)
 325                 test -z "$url" &&
 326                 die "No url found for submodule path '$path' in .gitmodules"
 327
 328                 # Possibly a url relative to parent
 329                 case "$url" in
 330                 ./*|../*)
 331                         url=$(resolve_relative_url "$url") || exit
 332                         ;;
 333                 esac
 334
 335                 git config submodule."$name".url "$url" ||
 336                 die "Failed to register url for submodule path '$path'"
 337
 338                 upd="$(git config -f .gitmodules submodule."$name".update)"
 339                 test -z "$upd" ||
 340                 git config submodule."$name".update "$upd" ||
 341                 die "Failed to register update mode for submodule path '$path'"
 342
 343                 say "Submodule '$name' ($url) registered for path '$path'"
 344         done
 345 }
 346
 347 #
 348 # Update each submodule path to correct revision, using clone and checkout as needed
 349 #
 350 # $@ = requested paths (default to all)
 351 #
 352 cmd_update()
 353 {
 354         # parse $args after "submodule ... update".
 355         while test $# -ne 0
 356         do
 357                 case "$1" in
 358                 -q|--quiet)
 359                         shift
 360                         GIT_QUIET=1
 361                         ;;
 362                 -i|--init)
 363                         init=1
 364                         shift
 365                         ;;
 366                 -N|--no-fetch)
 367                         shift
 368                         nofetch=1
 369                         ;;
 370                 -r|--rebase)
 371                         shift
 372                         update="rebase"
 373                         ;;
 374                 --reference)
 375                         case "$2" in '') usage ;; esac
 376                         reference="--reference=$2"
 377                         shift 2
 378                         ;;
 379                 --reference=*)
 380                         reference="$1"
 381                         shift
 382                         ;;
 383                 -m|--merge)
 384                         shift
 385                         update="merge"
 386                         ;;
 387                 --)
 388                         shift
 389                         break
 390                         ;;
 391                 -*)
 392                         usage
 393                         ;;
 394                 *)
 395                         break
 396                         ;;
 397                 esac
 398         done
 399
 400         if test -n "$init"
 401         then
 402                 cmd_init "--" "$@" || return
 403         fi
 404
 405         module_list "$@" |
 406         while read mode sha1 stage path
 407         do
 408                 name=$(module_name "$path") || exit
 409                 url=$(git config submodule."$name".url)
 410                 update_module=$(git config submodule."$name".update)
 411                 if test -z "$url"
 412                 then
 413                         # Only mention uninitialized submodules when its
 414                         # path have been specified
 415                         test "$#" != "0" &&
 416                         say "Submodule path '$path' not initialized" &&
 417                         say "Maybe you want to use 'update --init'?"
 418                         continue
 419                 fi
 420
 421                 if ! test -d "$path"/.git -o -f "$path"/.git
 422                 then
 423                         module_clone "$path" "$url" "$reference"|| exit
 424                         subsha1=
 425                 else
 426                         subsha1=$(unset GIT_DIR; cd "$path" &&
 427                                 git rev-parse --verify HEAD) ||
 428                         die "Unable to find current revision in submodule path '$path'"
 429                 fi
 430
 431                 if ! test -z "$update"
 432                 then
 433                         update_module=$update
 434                 fi
 435
 436                 if test "$subsha1" != "$sha1"
 437                 then
 438                         force=
 439                         if test -z "$subsha1"
 440                         then
 441                                 force="-f"
 442                         fi
 443
 444                         if test -z "$nofetch"
 445                         then
 446                                 (unset GIT_DIR; cd "$path" &&
 447                                         git-fetch) ||
 448                                 die "Unable to fetch in submodule path '$path'"
 449                         fi
 450
 451                         case "$update_module" in
 452                         rebase)
 453                                 command="git rebase"
 454                                 action="rebase"
 455                                 msg="rebased onto"
 456                                 ;;
 457                         merge)
 458                                 command="git merge"
 459                                 action="merge"
 460                                 msg="merged in"
 461                                 ;;
 462                         *)
 463                                 command="git checkout $force -q"
 464                                 action="checkout"
 465                                 msg="checked out"
 466                                 ;;
 467                         esac
 468
 469                         (unset GIT_DIR; cd "$path" && $command "$sha1") ||
 470                         die "Unable to $action '$sha1' in submodule path '$path'"
 471                         say "Submodule path '$path': $msg '$sha1'"
 472                 fi
 473         done
 474 }
 475
 476 set_name_rev () {
 477         revname=$( (
 478                 unset GIT_DIR
 479                 cd "$1" && {
 480                         git describe "$2" 2>/dev/null ||
 481                         git describe --tags "$2" 2>/dev/null ||
 482                         git describe --contains "$2" 2>/dev/null ||
 483                         git describe --all --always "$2"
 484                 }
 485         ) )
 486         test -z "$revname" || revname=" ($revname)"
 487 }
 488 #
 489 # Show commit summary for submodules in index or working tree
 490 #
 491 # If '--cached' is given, show summary between index and given commit,
 492 # or between working tree and given commit
 493 #
 494 # $@ = [commit (default 'HEAD'),] requested paths (default all)
 495 #
 496 cmd_summary() {
 497         summary_limit=-1
 498         for_status=
 499
 500         # parse $args after "submodule ... summary".
 501         while test $# -ne 0
 502         do
 503                 case "$1" in
 504                 --cached)
 505                         cached="$1"
 506                         ;;
 507                 --for-status)
 508                         for_status="$1"
 509                         ;;
 510                 -n|--summary-limit)
 511                         if summary_limit=$(($2 + 0)) 2>/dev/null && test "$summary_limit" = "$2"
 512                         then
 513                                 :
 514                         else
 515                                 usage
 516                         fi
 517                         shift
 518                         ;;
 519                 --)
 520                         shift
 521                         break
 522                         ;;
 523                 -*)
 524                         usage
 525                         ;;
 526                 *)
 527                         break
 528                         ;;
 529                 esac
 530                 shift
 531         done
 532
 533         test $summary_limit = 0 && return
 534
 535         if rev=$(git rev-parse -q --verify "$1^0")
 536         then
 537                 head=$rev
 538                 shift
 539         else
 540                 head=HEAD
 541         fi
 542
 543         cd_to_toplevel
 544         # Get modified modules cared by user
 545         modules=$(git diff-index $cached --raw $head -- "$@" |
 546                 egrep '^:([0-7]* )?160000' |
 547                 while read mod_src mod_dst sha1_src sha1_dst status name
 548                 do
 549                         # Always show modules deleted or type-changed (blob<->module)
 550                         test $status = D -o $status = T && echo "$name" && continue
 551                         # Also show added or modified modules which are checked out
 552                         GIT_DIR="$name/.git" git-rev-parse --git-dir >/dev/null 2>&1 &&
 553                         echo "$name"
 554                 done
 555         )
 556
 557         test -z "$modules" && return
 558
 559         git diff-index $cached --raw $head -- $modules |
 560         egrep '^:([0-7]* )?160000' |
 561         cut -c2- |
 562         while read mod_src mod_dst sha1_src sha1_dst status name
 563         do
 564                 if test -z "$cached" &&
 565                         test $sha1_dst = 0000000000000000000000000000000000000000
 566                 then
 567                         case "$mod_dst" in
 568                         160000)
 569                                 sha1_dst=$(GIT_DIR="$name/.git" git rev-parse HEAD)
 570                                 ;;
 571                         100644 | 100755 | 120000)
 572                                 sha1_dst=$(git hash-object $name)
 573                                 ;;
 574                         000000)
 575                                 ;; # removed
 576                         *)
 577                                 # unexpected type
 578                                 echo >&2 "unexpected mode $mod_dst"
 579                                 continue ;;
 580                         esac
 581                 fi
 582                 missing_src=
 583                 missing_dst=
 584
 585                 test $mod_src = 160000 &&
 586                 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_src^0 >/dev/null &&
 587                 missing_src=t
 588
 589                 test $mod_dst = 160000 &&
 590                 ! GIT_DIR="$name/.git" git-rev-parse -q --verify $sha1_dst^0 >/dev/null &&
 591                 missing_dst=t
 592
 593                 total_commits=
 594                 case "$missing_src,$missing_dst" in
 595                 t,)
 596                         errmsg="  Warn: $name doesn't contain commit $sha1_src"
 597                         ;;
 598                 ,t)
 599                         errmsg="  Warn: $name doesn't contain commit $sha1_dst"
 600                         ;;
 601                 t,t)
 602                         errmsg="  Warn: $name doesn't contain commits $sha1_src and $sha1_dst"
 603                         ;;
 604                 *)
 605                         errmsg=
 606                         total_commits=$(
 607                         if test $mod_src = 160000 -a $mod_dst = 160000
 608                         then
 609                                 range="$sha1_src...$sha1_dst"
 610                         elif test $mod_src = 160000
 611                         then
 612                                 range=$sha1_src
 613                         else
 614                                 range=$sha1_dst
 615                         fi
 616                         GIT_DIR="$name/.git" \
 617                         git log --pretty=oneline --first-parent $range | wc -l
 618                         )
 619                         total_commits=" ($(($total_commits + 0)))"
 620                         ;;
 621                 esac
 622
 623                 sha1_abbr_src=$(echo $sha1_src | cut -c1-7)
 624                 sha1_abbr_dst=$(echo $sha1_dst | cut -c1-7)
 625                 if test $status = T
 626                 then
 627                         if test $mod_dst = 160000
 628                         then
 629                                 echo "* $name $sha1_abbr_src(blob)->$sha1_abbr_dst(submodule)$total_commits:"
 630                         else
 631                                 echo "* $name $sha1_abbr_src(submodule)->$sha1_abbr_dst(blob)$total_commits:"
 632                         fi
 633                 else
 634                         echo "* $name $sha1_abbr_src...$sha1_abbr_dst$total_commits:"
 635                 fi
 636                 if test -n "$errmsg"
 637                 then
 638                         # Don't give error msg for modification whose dst is not submodule
 639                         # i.e. deleted or changed to blob
 640                         test $mod_dst = 160000 && echo "$errmsg"
 641                 else
 642                         if test $mod_src = 160000 -a $mod_dst = 160000
 643                         then
 644                                 limit=
 645                                 test $summary_limit -gt 0 && limit="-$summary_limit"
 646                                 GIT_DIR="$name/.git" \
 647                                 git log $limit --pretty='format:  %m %s' \
 648                                 --first-parent $sha1_src...$sha1_dst
 649                         elif test $mod_dst = 160000
 650                         then
 651                                 GIT_DIR="$name/.git" \
 652                                 git log --pretty='format:  > %s' -1 $sha1_dst
 653                         else
 654                                 GIT_DIR="$name/.git" \
 655                                 git log --pretty='format:  < %s' -1 $sha1_src
 656                         fi
 657                         echo
 658                 fi
 659                 echo
 660         done |
 661         if test -n "$for_status"; then
 662                 echo "# Modified submodules:"
 663                 echo "#"
 664                 sed -e 's|^|# |' -e 's|^# $|#|'
 665         else
 666                 cat
 667         fi
 668 }
 669 #
 670 # List all submodules, prefixed with:
 671 #  - submodule not initialized
 672 #  + different revision checked out
 673 #
 674 # If --cached was specified the revision in the index will be printed
 675 # instead of the currently checked out revision.
 676 #
 677 # $@ = requested paths (default to all)
 678 #
 679 cmd_status()
 680 {
 681         # parse $args after "submodule ... status".
 682         while test $# -ne 0
 683         do
 684                 case "$1" in
 685                 -q|--quiet)
 686                         GIT_QUIET=1
 687                         ;;
 688                 --cached)
 689                         cached=1
 690                         ;;
 691                 --)
 692                         shift
 693                         break
 694                         ;;
 695                 -*)
 696                         usage
 697                         ;;
 698                 *)
 699                         break
 700                         ;;
 701                 esac
 702                 shift
 703         done
 704
 705         module_list "$@" |
 706         while read mode sha1 stage path
 707         do
 708                 name=$(module_name "$path") || exit
 709                 url=$(git config submodule."$name".url)
 710                 if test -z "$url" || ! test -d "$path"/.git -o -f "$path"/.git
 711                 then
 712                         say "-$sha1 $path"
 713                         continue;
 714                 fi
 715                 set_name_rev "$path" "$sha1"
 716                 if git diff-files --quiet -- "$path"
 717                 then
 718                         say " $sha1 $path$revname"
 719                 else
 720                         if test -z "$cached"
 721                         then
 722                                 sha1=$(unset GIT_DIR; cd "$path" && git rev-parse --verify HEAD)
 723                                 set_name_rev "$path" "$sha1"
 724                         fi
 725                         say "+$sha1 $path$revname"
 726                 fi
 727         done
 728 }
 729 #
 730 # Sync remote urls for submodules
 731 # This makes the value for remote.$remote.url match the value
 732 # specified in .gitmodules.
 733 #
 734 cmd_sync()
 735 {
 736         while test $# -ne 0
 737         do
 738                 case "$1" in
 739                 -q|--quiet)
 740                         GIT_QUIET=1
 741                         shift
 742                         ;;
 743                 --)
 744                         shift
 745                         break
 746                         ;;
 747                 -*)
 748                         usage
 749                         ;;
 750                 *)
 751                         break
 752                         ;;
 753                 esac
 754         done
 755         cd_to_toplevel
 756         module_list "$@" |
 757         while read mode sha1 stage path
 758         do
 759                 name=$(module_name "$path")
 760                 url=$(git config -f .gitmodules --get submodule."$name".url)
 761
 762                 # Possibly a url relative to parent
 763                 case "$url" in
 764                 ./*|../*)
 765                         url=$(resolve_relative_url "$url") || exit
 766                         ;;
 767                 esac
 768
 769                 if test -e "$path"/.git
 770                 then
 771                 (
 772                         unset GIT_DIR
 773                         cd "$path"
 774                         remote=$(get_default_remote)
 775                         say "Synchronizing submodule url for '$name'"
 776                         git config remote."$remote".url "$url"
 777                 )
 778                 fi
 779         done
 780 }
 781
 782 # This loop parses the command line arguments to find the
 783 # subcommand name to dispatch.  Parsing of the subcommand specific
 784 # options are primarily done by the subcommand implementations.
 785 # Subcommand specific options such as --branch and --cached are
 786 # parsed here as well, for backward compatibility.
 787
 788 while test $# != 0 && test -z "$command"
 789 do
 790         case "$1" in
 791         add | foreach | init | update | status | summary | sync)
 792                 command=$1
 793                 ;;
 794         -q|--quiet)
 795                 GIT_QUIET=1
 796                 ;;
 797         -b|--branch)
 798                 case "$2" in
 799                 '')
 800                         usage
 801                         ;;
 802                 esac
 803                 branch="$2"; shift
 804                 ;;
 805         --cached)
 806                 cached="$1"
 807                 ;;
 808         --)
 809                 break
 810                 ;;
 811         -*)
 812                 usage
 813                 ;;
 814         *)
 815                 break
 816                 ;;
 817         esac
 818         shift
 819 done
 820
 821 # No command word defaults to "status"
 822 test -n "$command" || command=status
 823
 824 # "-b branch" is accepted only by "add"
 825 if test -n "$branch" && test "$command" != add
 826 then
 827         usage
 828 fi
 829
 830 # "--cached" is accepted only by "status" and "summary"
 831 if test -n "$cached" && test "$command" != status -a "$command" != summary
 832 then
 833         usage
 834 fi
 835
 836 "cmd_$command" "$@"