build_test.fns

   1 #!/bin/sh -*- mode: shell-script; -*-
   2
   3 # build_farm -- distributed build/test architecture for samba, rsync, etc
   4
   5 # Copyright (C) 2001 by Andrew Tridgell <tridge@samba.org>
   6 # Copyright (C) 2001 by Andrew Bartlett <abartlet@samba.org>
   7 # Copyright (C) 2001, 2003 by Martin Pool <mbp@samba.org>
   8
   9 # default maximum runtime for any command
  10 MAXTIME=12000
  11 # default maximum memory size (100M) for any command
  12 MAXMEM=100000
  13 RUN_FROM_BUILD_FARM=yes
  14 export RUN_FROM_BUILD_FARM
  15
  16 deptrees="";
  17
  18 build_test_fns_id='$Id$'
  19
  20 copy_dir() {
  21         Tsrc=$1
  22         Tdst=$2
  23         pwd
  24         echo rsync -a --delete $Tsrc/ $Tdst
  25         rsync -a --delete $Tsrc/ $Tdst || return 1
  26         return 0
  27 }
  28
  29 #############################
  30 # build a signature of a tree, used to see if we
  31 # need to rebuild
  32 #############################
  33
  34 sum_tree() {
  35         sum_tree_test_root=$1
  36         sum_tree_tree=$2
  37         sum_tree_sum=$3
  38         sum_tree_scm=$4
  39         find $sum_tree_test_root/$sum_tree_tree -type f -print | grep -v version.h | sort | xargs sum > $sum_tree_sum
  40         sum build_test build_test.fns >> $sum_tree_sum
  41
  42         if [ -f "$host.fns" ]; then
  43                 sum $host.fns >> $sum_tree_sum
  44         else
  45                 sum generic.fns >> $sum_tree_sum
  46         fi
  47
  48         if [ -f "$test_root/$tree.$scm" ]; then
  49                 sum "$test_root/$tree.$scm" >> $sum_tree_sum
  50         fi
  51
  52         for d in $deptrees; do
  53                 dscm=`choose_scm "$d"`
  54                 if [ -f "$test_root/$d.$dscm" ]; then
  55                 sum "$test_root/$d.$dscm" >> $sum_tree_sum
  56                 fi
  57         done
  58 }
  59
  60 #############################
  61 # send the logs to the master site
  62 #############################
  63
  64 send_logs() {
  65         if [ "$nologreturn" = "yes" ]; then
  66                 echo "skipping log transfer"
  67         else
  68                 log="$1"
  69                 err="$2"
  70                 shift
  71                 shift
  72                 chmod 0644 "$log" "$err"
  73
  74                 # xargs -i is implemented differently or not at all.
  75                 # GNU xargs did not implement "-I" until 4.2.9:
  76                 xargs --version 2>&1 | grep "^GNU xargs" > /dev/null
  77                 status=$?
  78                 if [ x"$status" = x"0" ]; then
  79                         XARGS_IS_GNU=yes
  80                 fi
  81
  82                 if [ x"$XARGS_IS_GNU" = x"yes" ]; then
  83                         XARGS_I="xargs -i"
  84                 else
  85                         XARGS_I="xargs -I '{}'"
  86                 fi
  87
  88                 find $log -size +40000 | $XARGS_I sh -c 'dd if={} bs=1024 count=20000 of={}.tmp && mv {}.tmp {} &&  echo "\n***LOG TRUNCATED***" >> {}'
  89                 find $err -size +40000 | $XARGS_I sh -c 'dd if={} bs=1024 count=20000 of={}.tmp && mv {}.tmp {} &&  echo "\n***LOG TRUNCATED***" >> {}'
  90
  91                 rsync $* -c -q --password-file=.password -z --timeout=200 \
  92                         "$log" "$err" $host@build.samba.org::build_farm_data/
  93         fi
  94 }
  95
  96 #############################
  97 # send the logs when they haven't changed
  98 # the aim is to just update the servers timestamp.
  99 # sending with a very large rsync block size does this
 100 # with minimal network traffic
 101 #############################
 102
 103 send_logs_skip() {
 104         touch "$1" "$2"
 105         send_logs "$1" "$2" -B 10000000
 106 }
 107
 108 ############################
 109 # fetch the latest copy of the tree
 110 ############################
 111
 112 fetch_tree() {
 113         if [ "$norsync" = "yes" ]; then
 114                 echo "skipping tree transfer"
 115         else
 116                 fetchtree=$1
 117                 if rsync --exclude=autom4te.cache/ --exclude=.svn/ --exclude=.git/ \
 118                         --delete-excluded -q --partial --timeout=200 -ctrlpz --delete --ignore-errors \
 119                         samba.org::ftp/unpacked/$fetchtree/ $test_root/$fetchtree; then
 120                         echo "transferred $fetchtree OK"
 121                 else
 122                         echo "transfer of $fetchtree failed code $?"
 123                         return 1
 124                 fi
 125         fi
 126         return 0
 127 }
 128
 129 ############################
 130 # fetch the latest copy of the rev meta info
 131 ############################
 132
 133 fetch_revinfo() {
 134         tree=$1
 135         scm=$2
 136
 137         test -z "$scm" && return 1
 138         test x"$scm" = x"unknown" && return 1
 139         test x"$scm" = x"cvs" && return 1
 140
 141         if [ "$norsync" = "yes" ]; then
 142                 echo "skipping .revinfo.$scm transfer"
 143         else
 144                 if [ -r $test_root/$tree.$scm ]; then
 145                         [ -f $test_root/$tree.$scm.old ] && rm -f $test_root/$tree.$scm.old
 146                         [ -f $test_root/$tree.$scm ] && mv $test_root/$tree.$scm $test_root/$tree.$scm.old
 147                 fi
 148                 rsync -q --timeout=200 -clz --ignore-errors \
 149                         samba.org::ftp/unpacked/$tree/.revinfo.$scm $test_root/$tree.$scm
 150         fi
 151         if [ -r $test_root/$tree.$scm ]; then
 152                 return 0;
 153         fi
 154         return 1
 155 }
 156
 157 ############################
 158 # choose the scm that is used for the given project
 159 ############################
 160
 161 choose_scm() {
 162         tree=$1
 163
 164         case "$tree" in
 165                         samba* | rsync | libreplace | talloc | tdb | ldb | pidl | ccache*)
 166                         echo "git"
 167                                 return 0
 168                         ;;
 169         esac
 170
 171         echo "svn"
 172         return 0
 173 }
 174
 175 locknesting=0
 176
 177 ############################
 178 # grab a lock file. Not atomic, but close :)
 179 # tries to cope with NFS
 180 ############################
 181
 182 lock_file() {
 183                 if [ -z "$lock_root" ]; then
 184                         lock_root=`pwd`;
 185                 fi
 186
 187                 lckf="$lock_root/$1"
 188                 machine=`cat "$lckf" 2> /dev/null | cut -d: -f1`
 189                 pid=`cat "$lckf" 2> /dev/null | cut -d: -f2`
 190
 191                 if [ "$pid" = "$$" ]; then
 192                         locknesting=`expr $locknesting + 1`
 193                         echo "lock nesting now $locknesting"
 194                         return 0
 195                 fi
 196
 197                 if test -f "$lckf"; then
 198                         test $machine = $host || {
 199                                 echo "lock file $lckf is valid for other machine $machine"
 200                                 return 1
 201                         }
 202
 203                         kill -0 $pid && {
 204                                 echo "lock file $lckf is valid for process $pid"
 205                                 return 1
 206                         }
 207
 208                         echo "stale lock file $lckf for $machine:$pid"
 209                         cat "$lckf"
 210                         /bin/rm -f "$lckf"
 211                 fi
 212                 echo "$host:$$" > "$lckf"
 213                 return 0
 214 }
 215
 216 ############################
 217 # unlock a lock file
 218 ############################
 219
 220 unlock_file() {
 221         if [ -z "$lock_root" ]; then
 222                 lock_root=`pwd`;
 223         fi
 224         if [ "$locknesting" != "0" ]; then
 225                 locknesting=`expr $locknesting - 1`
 226                 echo "lock nesting now $locknesting"
 227         else
 228                 lckf="$lock_root/$1"
 229                 /bin/rm -f "$lckf"
 230         fi
 231 }
 232
 233 ############################
 234 # run make, and print trace
 235 ############################
 236
 237 do_make() {
 238         if [ x"$MAKE" = x ]; then
 239                 MAKE=make
 240         fi
 241
 242         MMTIME=$MAXTIME
 243         # some trees don't need as much time
 244         case "$tree" in
 245                 rsync | tdb | talloc | libreplace | ccache*)
 246                         if [ "$compiler" != "checker" ]; then
 247                                 MMTIME=`expr $MMTIME / 5`
 248                         fi
 249                 ;;
 250         esac
 251
 252
 253         for t in $*; do
 254                 if [ x"$BUILD_FARM_NUM_JOBS" = x ]; then
 255                         echo "$MAKE $t"
 256                         $builddir/timelimit $MMTIME "$MAKE" "$t"
 257                         status=$?
 258                 else
 259                         # we can parallelize everything and all targets
 260                         if [ x"$t" = xeverything ] || [ x"$t" = xall]; then
 261                                 echo "$MAKE" "-j$BUILD_FARM_NUM_JOBS"  "$t"
 262                                 $builddir/timelimit $MMTIME "$MAKE" "-j$BUILD_FARM_NUM_JOBS"  "$t"
 263                                 status=$?
 264                         else
 265                                 echo "$MAKE $t"
 266                                 $builddir/timelimit $MMTIME "$MAKE" "$t"
 267                                 status=$?
 268                         fi
 269                 fi
 270
 271                 if [ $status != 0 ]; then
 272                         case "$t" in
 273                                 test|check|installcheck)
 274                                         ;;
 275                                 *)
 276                                         #run again with V=1, so we see failed commands
 277                                         $builddir/timelimit $MMTIME "$MAKE" "$t" V=1
 278                                         status=$?
 279                                         ;;
 280                         esac
 281                 fi
 282
 283                 if [ $status != 0 ]; then
 284                         return $status;
 285                 fi
 286
 287         done
 288
 289         return 0
 290 }
 291
 292 ############################
 293 # configure the tree
 294 ############################
 295
 296 action_configure() {
 297
 298         if [ ! -x $srcdir/configure -a -r $srcdir/Makefile.PL ]; then
 299                 perl $srcdir/Makefile.PL PREFIX="$prefix"
 300                 cstatus=$?
 301                 echo "CONFIGURE STATUS: $cstatus"
 302                 return $cstatus;
 303         fi
 304
 305         if [ ! -x $srcdir/configure ]; then
 306                 ls -l $srcdir/configure
 307                 echo "$srcdir/configure is missing"
 308                 cstatus=255
 309                 echo "CONFIGURE STATUS: $cstatus"
 310                 return $cstatus;
 311         fi
 312
 313         echo "CFLAGS=$CFLAGS"
 314         echo configure options: $config_and_prefix
 315         echo CC="$CCACHE $compiler" $srcdir/configure $config_and_prefix
 316
 317         CC="$CCACHE $compiler"
 318         export CC
 319         $builddir/timelimit $MAXTIME $srcdir/configure $config_and_prefix
 320         cstatus=$?
 321
 322         if [ x"$cstatus" != x"0" ]; then
 323                 if [ -f config.log ]; then
 324                         echo "contents of config.log:"
 325                         cat config.log
 326                 fi
 327
 328                 # Waf style
 329                 if [ -f bin/config.log ]; then
 330                         echo "contents of config.log:"
 331                         cat bin/config.log
 332                 fi
 333         fi
 334         echo "CONFIGURE STATUS: $cstatus"
 335         return $cstatus
 336 }
 337
 338 ############################
 339 # show the configure log
 340 ############################
 341
 342 action_config_log() {
 343
 344         log_files="config.log bin/config.log"
 345         for f in $log_files; do
 346                 if [ -f $f ]; then
 347                         echo "contents of config.log:"
 348                         cat $f
 349                         return 0
 350                 fi
 351         done
 352         return 0
 353 }
 354
 355 ############################
 356 # show the config.h
 357 ############################
 358
 359 action_config_header() {
 360         hdr_files="config.h include/config.h bin/default/config.h bin/default/source4/include/config.h bin/default/source3/include/config.h"
 361         for h in $hdr_files; do
 362                 if [ -f $h ]; then
 363                         echo "contents of $h:"
 364                         cat $h
 365                         return 0
 366                 fi
 367         done
 368
 369         return 0
 370 }
 371
 372
 373
 374 ############################
 375 # build the tree
 376 ############################
 377 action_build() {
 378         case "$tree" in
 379         samba_4*)
 380                 do_make everything
 381                 bstatus=$?
 382                 ;;
 383         samba_3*)
 384                 do_make everything torture
 385                 bstatus=$?
 386                 ;;
 387         *)
 388                 do_make all
 389                 bstatus=$?
 390                 ;;
 391         esac
 392
 393         echo "BUILD STATUS: $bstatus"
 394
 395         return $bstatus
 396 }
 397
 398 ############################
 399 # show static analysis results
 400 ############################
 401
 402 action_cc_checker() {
 403
 404         # default to passing the cc_checker
 405         cccstatus=0
 406
 407         if [ -f ibm_checker.out ]; then
 408                 cat ibm_checker.out
 409                 cccstatus=`cat ibm_checker.out | grep '^\-\- ' | wc -l`
 410         fi
 411
 412         echo "CC_CHECKER STATUS: $cccstatus"
 413         return $cccstatus;
 414 }
 415
 416 ############################
 417 # install the tree
 418 ############################
 419
 420 action_install() {
 421         if [ -d $prefix ]; then
 422                 if [ "$noclean" != "yes" ]; then
 423                         rm -rf $prefix
 424                 fi
 425         fi
 426
 427         do_make install
 428         istatus=$?
 429         echo "INSTALL STATUS: $istatus"
 430         return $istatus;
 431 }
 432
 433 ############################
 434 # test the tree
 435 action_test_samba() {
 436         do_make test
 437         totalstatus=$?
 438
 439         # if we produced a test summary then show it
 440         [ -f st/summary ] && {
 441                 echo "TEST SUMMARY"
 442                 cat st/summary
 443         }
 444
 445         return "$totalstatus"
 446 }
 447
 448 action_test_generic() {
 449         CC="$compiler"
 450         export CC
 451         do_make installcheck
 452         totalstatus=$?
 453         echo "TEST STATUS: $totalstatus"
 454         return "$totalstatus"
 455 }
 456
 457 action_test_lorikeet_heimdal() {
 458         CC="$compiler"
 459         export CC
 460         SOCKET_WRAPPER_DIR=`pwd`/sw
 461         mkdir $SOCKET_WRAPPER_DIR
 462         export SOCKET_WRAPPER_DIR
 463         do_make check
 464         totalstatus=$?
 465         SOCKET_WRAPPER_DIR=
 466         export SOCKET_WRAPPER_DIR
 467         echo "TEST STATUS: $totalstatus"
 468         return "$totalstatus"
 469 }
 470
 471
 472 #############################
 473 # attempt some basic tests of functionaility
 474 # starting as basic as possible, and getting incresingly complex
 475 #############################
 476
 477 action_test() {
 478         # Samba needs crufty code of its own for backward
 479         # compatiblity.  I think a better way to do this in the future
 480         # is to just call 'make installcheck'.
 481         case "$tree" in
 482         samba*|smb-build|pidl)
 483                 action_test_samba
 484                 ;;
 485         lorikeet-heimdal*)
 486                 action_test_lorikeet_heimdal
 487                 ;;
 488         *)
 489                 action_test_generic
 490                 ;;
 491         esac
 492 }
 493
 494 ###########################
 495 # do a test build of a particular tree
 496 # This is the master function called by generic.fns or
 497 # host.fns
 498 ###########################
 499
 500 test_tree() {
 501         tree=$1
 502         source=$2
 503         compiler="$3"
 504         shift
 505         shift
 506         shift
 507         echo "Starting to deal with tree $tree with compiler $compiler"
 508         if [ "$compiler" = "gcc" ] && [ "$tree" != "ccache" ] && [ "$tree" != "ccache-maint" ] && ccache -V > /dev/null 2>/dev/null; then
 509                 CCACHE="ccache"
 510                 export CCACHE
 511         else
 512                 CCACHE=""
 513         fi
 514
 515         # limit our resource usage
 516         ulimit -t $MAXTIME 2> /dev/null
 517
 518         # max mem size 100M
 519         ulimit -m $MAXMEM 2> /dev/null
 520
 521         # max file size 100M
 522         # darn, this affects sparse files too! disable it
 523         # ulimit -f 100000 2> /dev/null
 524
 525         # try and limit the number of open files to 250. That means we'll discover
 526         # fd leaks faster
 527         ulimit -n 250 2> /dev/null
 528
 529         # Keep stuff private
 530         umask 077
 531
 532         if [ -z "$test_root" ]; then
 533                 test_root=`pwd`
 534         fi
 535
 536         log="build.$tree.$host.$compiler.log"
 537         err="build.$tree.$host.$compiler.err"
 538         sum="build.$tree.$host.$compiler.sum"
 539         lck="build.$tree.lck"
 540                 srcdir="$test_root/$tree/$source"
 541
 542         lock_file "$lck" || {
 543                 return
 544         }
 545
 546         # work out what other trees this package depends on
 547         deptrees=""
 548         case "$tree" in
 549                 samba-gtk)
 550                 deptrees="samba_4_0_test"
 551                 ;;
 552         esac
 553
 554         scm=`choose_scm "$tree"`
 555
 556         # pull the entries, if any
 557         # Remove old .svn or .git files
 558         # Move the current .svn org .git to .svn.old or
 559         # .git.old then fetch the new from rsync
 560         if fetch_revinfo "$tree" "$scm"; then
 561                 for d in $deptrees; do
 562                         # If there is dependency substree(s) we add info
 563                         # from the dependency tree so that we
 564                         # can rebuild in case one of them has changed
 565                         dscm=`choose_scm "$d"`
 566                         if [ -f "$test_root/$d.$dscm" ]; then
 567                                 if [ "$d" != "$tree" ]; then
 568                                         cat "$test_root/$d.$dscm" >> $test_root/$tree.$scm
 569                                 fi
 570                         fi
 571                 done
 572                 [ -f $test_root/$tree.$compiler.$scm.old ] && rm -f $test_root/$tree.$compiler.$scm.old
 573                 [ -f $test_root/$tree.$compiler.$scm ] && mv $test_root/$tree.$compiler.$scm $test_root/$tree.$compiler.$scm.old
 574                 [ -f $test_root/$tree.$scm ] && cp $test_root/$tree.$scm $test_root/$tree.$compiler.$scm
 575
 576                 if [ -f $test_root/$tree.$compiler.$scm.old ] && \
 577                                 cmp $test_root/$tree.$compiler.$scm $test_root/$tree.$compiler.$scm.old > /dev/null; then
 578
 579                         echo "skip: $tree.$compiler nothing changed in $scm"
 580                         cd $test_root
 581                         send_logs_skip "$log" "$err"
 582                         unlock_file "$lck"
 583                         return
 584                 fi
 585         fi
 586
 587         # pull the tree
 588         fetch_tree "$tree" || {
 589                 cd $test_root
 590                 unlock_file "$lck"
 591                 return
 592         }
 593
 594         if [ ! -x $srcdir/configure ] && [ "$tree" != "pidl" ]; then
 595                 echo "skip: $tree.$compiler configure not present, try again next time!"
 596                 cd $test_root
 597                 unlock_file "$lck"
 598                 return
 599         fi
 600
 601         echo "Starting build of $tree.$compiler in process $$ at `date`"
 602
 603
 604         # Parameters for the build depending on the tree
 605         case "$tree" in
 606                 libreplace)
 607                         builddir="$test_root/tmp.$tree.$compiler"
 608                         usingtmpbuild=1
 609                         if [ -d $builddir ]; then
 610                                 rm -rf $builddir
 611                         fi
 612                         mkdir -p $builddir
 613                         export builddir
 614                         ;;
 615                 *)
 616                         builddir=$srcdir
 617                         usingtmpbuild=0
 618                         export builddir
 619                         ;;
 620         esac
 621
 622         #Fix the user
 623         if [ ! x$USER = x"" ]; then
 624                 whoami=$USER
 625         else
 626                 if [ ! x$LOGNAME = x"" ]; then
 627                         whoami=$LOGNAME
 628                 else
 629                         whoami=build
 630                 fi
 631         fi
 632
 633         # build the timelimit utility
 634         echo "Building timelimit"
 635         mkdir -p $builddir
 636         echo $compiler $TIMELIMIT_FLAGS -o $builddir/timelimit $test_root/timelimit.c
 637         $compiler $TIMELIMIT_FLAGS -o $builddir/timelimit $test_root/timelimit.c || exit 1
 638
 639         # build the killbysubdir utility
 640         echo "Building killbysubdir"
 641         echo $compiler -o $builddir/killbysubdir $test_root/killbysubdir.c
 642         $compiler -o $builddir/killbysubdir $test_root/killbysubdir.c
 643
 644         prefix="$test_root/prefix/$tree.$compiler"
 645         mkdir -p "$prefix"
 646
 647         # This can be defined in <host>.fns files
 648         sw_config=$config
 649
 650         case "$tree" in
 651         lorikeet-heimdal)
 652                 sw_config="$config --enable-socket-wrapper"
 653                 ;;
 654         samba_4*)
 655                 sw_config="$config --enable-socket-wrapper"
 656                 sw_config="$sw_config --enable-nss-wrapper"
 657                 sw_config="$sw_config --enable-uid-wrapper"
 658                 ;;
 659         samba_3*)
 660                 sw_config="$config --enable-socket-wrapper"
 661                 sw_config="$sw_config --enable-nss-wrapper"
 662                 ;;
 663         samba-gtk)
 664                 PKG_CONFIG_PATH="$test_root/prefix/samba_4_0_test.$compiler/lib/pkgconfig"
 665                 export PKG_CONFIG_PATH
 666                 ;;
 667         *)
 668                 testsuite=testsuite
 669                 ;;
 670         esac
 671
 672         if [ "$LCOV_REPORT" = "yes" ]; then
 673                 GCOV_FLAGS="--coverage"
 674                 CFLAGS="$CFLAGS $GCOV_FLAGS"
 675                 LDFLAGS="$LDFLAGS $GCOV_FLAGS"
 676                 export CFLAGS LDFLAGS
 677         fi
 678
 679         config_and_prefix="$sw_config --prefix=$prefix"
 680
 681         # see if we need to rebuild
 682         sum_tree $test_root $tree $sum $scm
 683         echo "CFLAGS=$CFLAGS $config_and_prefix" >> $sum
 684
 685         if [ -f "$sum.old" ] && cmp "$sum" "$sum.old" > /dev/null; then
 686                 echo "skip: $tree.$compiler nothing changed"
 687                 cd $test_root
 688                 send_logs_skip "$log" "$err"
 689                 unlock_file "$lck"
 690                 echo "Ending build of $tree.$compiler in process $$ at `date`"
 691                 return
 692         fi
 693
 694         # we do need to rebuild - save the old sum
 695         [ -f $sum.old ] && /bin/rm -f $sum.old
 696         mv $sum $sum.old
 697
 698         #Action == what to do ie. configure config_log ...
 699         actions="$*"
 700
 701         if [ "$actions" = "" ]; then
 702                 actions="configure config_log config_header build install test"
 703         fi
 704
 705         # start the build
 706         (
 707         {
 708                 # we all want to be able to read the output...
 709                 LANG=C
 710                 export LANG
 711
 712                 uname -a
 713
 714                 echo ""
 715                 echo "build_test                  : $build_test_id"
 716                 echo "build_test.fns      : $build_test_fns_id"
 717                 echo "local settings file : $build_test_settings_local_file"
 718                 echo "local functions file: $build_test_fns_local_file"
 719                 echo "used .fns file      : $build_test_used_fns_file"
 720                 echo ""
 721
 722                 # we need to be able to see if a build farm machine is accumulating
 723                 # stuck processes. We do this in two ways, as we don't know what style
 724                 # of ps it will have
 725                 ps xfuw 2> /dev/null
 726                 ps -fu $USER 2> /dev/null
 727
 728                 echo "building $tree with CC=$compiler on $host at "`date`
 729                 echo "builddir=$builddir"
 730                 echo "prefix=$prefix"
 731
 732                 echo "Showing limits"
 733                 ulimit -a 2> /dev/null
 734
 735                 # the following is for non-samba builds only
 736                 if [ "$scm" = "svn" -a -r $test_root/$tree.svn ]; then
 737                         h_rev=`grep 'Revision: ' $test_root/$tree.svn | cut -d ':' -f2 | cut -d ' ' -f2 | sed 1q`
 738                         if [ -n "$h_rev" ]; then
 739                                 echo "HIGHEST SVN REVISION: $h_rev"
 740                         fi
 741                         rev=`grep 'Last Changed Rev: ' $test_root/$tree.svn | cut -d ':' -f2 | cut -d ' ' -f2 | sed 1q`
 742                         if [ -n "$rev" ]; then
 743                         echo "BUILD REVISION: $rev"
 744                         fi
 745                 elif [ "$scm" = "git" -a -r $test_root/$tree.git ]; then
 746                         csha1=`cat $test_root/$tree.git |head -3 | tail -1`
 747                         if [ -n "$csha1" ]; then
 748                                 echo "BUILD COMMIT REVISION: $csha1"
 749                         fi
 750                         cdate=`cat $test_root/$tree.git |head -4 | tail -1`
 751                         if [ -n "$cdate" ]; then
 752                                 echo "BUILD COMMIT DATE: $cdate"
 753                         fi
 754                         ctime=`cat $test_root/$tree.git |head -2 | tail -1`
 755                         if [ -n "$ctime" ]; then
 756                                 echo "BUILD COMMIT TIME: $ctime"
 757                   fi
 758                 fi
 759
 760                 if [ -x $builddir/killbysubdir ]; then
 761                         echo "$builddir/killbysubdir $builddir in `pwd`"
 762                         $builddir/killbysubdir $builddir
 763                 fi
 764
 765                 for action in $actions; do
 766
 767                         echo Running action $action
 768
 769                         date
 770
 771                         cd $builddir || exit 1
 772                         export srcdir
 773                         df .
 774                         mount
 775                         vmstat
 776
 777                         ( action_$action )
 778                         action_status=$?
 779
 780                         df .
 781
 782                         if [ $action_status != 0 ]; then
 783                                 echo "ACTION FAILED: $action";
 784                         else
 785                                 echo "ACTION PASSED: $action";
 786                         fi
 787
 788                         if [ $action_status != 0 ]; then
 789                                 break;
 790                         fi
 791                 done
 792
 793                 if [ "$LCOV_REPORT" = "yes" ]; then
 794                         case "$tree" in
 795                         lorikeet-heimdal*)
 796                                 lcov --directory $builddir --capture --output-file $builddir/$tree.lcov.info
 797                                 ;;
 798                         samba_3_master*)
 799                                 lcov --base-directory $builddir --directory $builddir/.. --capture --output-file $builddir/$tree.lcov.info
 800                                 ;;
 801                         samba_4*)
 802                                 # ugly hack for s4, as lcov is otherwise not able to find
 803                                 # these files
 804                                 rm -f heimdal/lib/*/{lex,parse,sel-lex}.{gcda,gcno}
 805                                 lcov --base-directory $builddir --directory $builddir/.. --capture --output-file $builddir/$tree.lcov.info
 806                                 ;;
 807                         *)
 808                                 lcov --base-directory $builddir --directory $builddir --capture --output-file $builddir/$tree.lcov.info
 809                                 ;;
 810                         esac
 811                         genhtml -o $builddir/coverage $builddir/$tree.lcov.info
 812                 fi
 813
 814                 if [ "$noclean" = "yes" ]; then
 815                         echo cleanup skipped!
 816                 else
 817                         echo cleaning up
 818                         do_make clean
 819                 fi
 820                 date
 821         } 3>&2 2>&1 1>&3 | tee "$err"
 822         ) > "$log" 2>&1
 823         # be aware the above channel swap may sometimes result in unordered
 824         # stdout/stderr merge
 825
 826         if [ "$LCOV_REPORT" = "yes" ]; then
 827                 chmod u=rwX,g=rX,o=rX -R $builddir/coverage
 828                 rsync -rct -q --password-file=.password -z --timeout=200 \
 829                 $builddir/coverage/ $host@build.samba.org::lcov_data/$host/$tree/
 830         fi
 831
 832         cd $test_root
 833
 834         /bin/rm -rf $prefix
 835         if [ "$usingtmpbuild" = "1" ]; then
 836                 if [ "$noclean" = "yes" ]; then
 837                         echo builddir cleanup skipped!
 838                 else
 839                         /bin/rm -rf $builddir
 840                 fi
 841         fi
 842         # send the logs to the master site
 843         send_logs "$log" "$err"
 844
 845         # cleanup
 846         echo "Ending build of $tree.$compiler in process $$ at `date`"
 847         unlock_file "$lck"
 848 }
 849
 850 #########################################################
 851 # if you want to build only one project at a time
 852 # add 'global_lock' after 'per_run_hook' and
 853 # 'global_unlock' to the end of the file
 854 #########################################################
 855
 856 global_lock() {
 857         lock_file "global.lck" || {
 858                 exit 0
 859         }
 860 }
 861
 862 global_unlock() {
 863         unlock_file "global.lck"
 864 }
 865
 866 delete_old_tree() {
 867         otree=$1
 868         test -z "$otree" && return 0;
 869
 870         rm -rf $otree
 871         rm -rf $otree.svn
 872         rm -rf $otree.*.svn
 873         rm -rf $otree.git
 874         rm -rf $otree.*.git
 875         rm -rf build.$otree.*
 876 }
 877
 878 # this is a special fn that allows us to add a "special" hook to the build
 879 # farm that we want to do to the build farm. never leave it empty. instead,
 880 # use ":" as the fn body.
 881 per_run_hook() {
 882         # kill old processes on systems with a known problem
 883         case $host in
 884         nohost)
 885                 echo "just a placeholder";
 886                 ;;
 887         deckchair)
 888                 rm -f deckchair.fns
 889                 ;;
 890         esac
 891
 892         # trim the log if too large
 893         if [ "`wc -c < build.log`" -gt 2000000 ]; then
 894         rm -f build.log
 895         fi
 896
 897         old_trees="web popt distcc samba-gtk smb-build lorikeet-heimdal samba_3_2"
 898         old_trees="$old_tree samba_3_2_test samba4 samba_4_0_waf samba_4_0_waf.metze"
 899         old_trees="$old_tree samba_3_X_test samba_3_X_devel samba_3_X_devel"
 900         for d in $old_trees; do
 901                 delete_old_tree $d
 902         done
 903 }
 904
 905
 906 ######################################################
 907 # main code that is run on each call to the build code
 908 ######################################################
 909 rsync --timeout=200 -q -az build.samba.org::build_farm/*.c .
 910
 911
 912 # build.log can grow to an excessive size, trim it beyond 50M
 913 if [ -f build.log ]; then
 914         find build.log -size +100000 -exec /bin/rm '{}' \;
 915 fi