oss-fuzz: add more verbose output to build script

* dump git HEAD status on build start
* dump "date -r" and "df -h $OUT $WORK" at various steps
* run "make clean" before autogen.sh, if Makefile exists

Change-Id: I22885f820e81fa46d02699fb5c2129ac5921c5dd
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/127609
Tested-by: Jenkins
Reviewed-by: Jan-Marek Glogowski <glogow@fbihome.de>

1 files changed, 23 insertions, 8 deletions

diff --git a/bin/oss-fuzz-build.sh b/bin/oss-fuzz-build.sh
index d0f4564a930e..0b5e0c05e462 100755
--- a/bin/oss-fuzz-build.sh
+++ b/bin/oss-fuzz-build.sh
@@ -7,7 +7,17 @@ if [ -z "${OUT}" ] || [ -z "${SRC}" ] || [ -z "${WORK}" ]; then
     exit 1
 fi
 
-echo start at `date -u`
+print_stamp()
+{
+    local do_df="$1"; shift
+    echo "[[" `date -u` "]]" "build -" "$@"
+    if [ "$do_df" != "0" ]; then
+        df -h $OUT $WORK
+    fi
+}
+
+print_stamp 1 start
+echo git: `git -C $SRC/libreoffice log -1 --pretty=reference`
 
 #shuffle CXXFLAGS -stdlib=libc++ arg into CXX as well because we use
 #the CXX as the linker and need to pass -stdlib=libc++ to build
@@ -21,15 +31,20 @@ export LDFLAGS="$CFLAGS -Wl,--compress-debug-sections,zlib -lpthread"
 #build-time rsc tool leaks a titch
 export ASAN_OPTIONS="detect_leaks=0"
 
-df -h $OUT $WORK
-
 cd $WORK
-$SRC/libreoffice/autogen.sh --with-distro=LibreOfficeOssFuzz --with-external-tar=$SRC
+if [ -f Makefile ]; then
+    print_stamp 0 clean
+    make clean
+fi
 
-make clean
+print_stamp 0 autogen.sh
+$SRC/libreoffice/autogen.sh --with-distro=LibreOfficeOssFuzz --with-external-tar=$SRC
 
+print_stamp 1 make
 make
 
+print_stamp 1 prepare '$OUT'
+
 pushd instdir/program
 head -c -14 services.rdb  > templateservices.rdb
 tail -c +85 ./services/services.rdb >> templateservices.rdb
@@ -52,15 +67,15 @@ EOF
 done
 popd
 
-df -h $OUT $WORK
-
 #starting corpuses
 for zip_file in $SRC/*_seed_corpus.zip; do
     cp $zip_file $OUT
 done
+
 #fuzzing dictionaries
 cp $SRC/*.dict $OUT
+
 #options files
 cp $SRC/libreoffice/vcl/workben/*.options $OUT
 
-echo end at `date -u`
+print_stamp 1 end