#! /bin/sh
#
#  This script automates running Coverity on newlib targeting RTEMS
#  and submitting the results.
#
#       + https://scan.coverity.com/
#
#  You have to have an account to view the results
# 

#
# TODO:
#   + parse arguments for some of the hard-coded items.
#   + better instructions on setup. Where to download, etc.
#

RTEMS_BIN=/home/joel/rtems-work/tools/4.12/bin
COVERITY=${HOME}/coverity/cov-analysis-linux64-8.7.0/


#
#  Checks the status returned by executables and exits if it is non-zero.
#
check_fatal()
{
  if [ $1 -ne 0 ] ; then
    shift
    echo "ERROR: $*" >&2
    exit 1
  fi
}

echo $#
test $# -eq 1
check_fatal $? "Usage: TARGET"

RTEMS_TARGET=$1

type ${RTEMS_TARGET}-gcc
check_fatal $? "gcc not in path"

test -d ${COVERITY}
check_fatal $? "Coverity path not right"

test -d ${COVERITY}/bin
check_fatal $? "${COVERITY}/bin does not exist"

# Prepend Coverity to our PATH
export PATH=${COVERITY}/bin:$PATH

# # Configure Coverity for this target compiler
rm -rf ${COVERITY}/config/coverity_config.xml
rm -rf ${COVERITY}/config/gcc-config-? ${COVERITY}/config/g++-config-?

cov-configure --gcc
check_fatal $? "could not coverity configure gcc"

cov-configure --comptype gcc --compiler ${RTEMS_TARGET}-gcc --template
check_fatal $? "could not coverity configure gcc"

# Clean build directory and start over
rm     -rf  b-coverity-${RTEMS_TARGET}-newlib
check_fatal $? "Could not remove build directory"
mkdir       b-coverity-${RTEMS_TARGET}-newlib
check_fatal $? "Could not cd into build directory"
cd          b-coverity-${RTEMS_TARGET}-newlib
check_fatal $? "Could not cd into build directory"

# iconv settings
enable_iconv="--enable-newlib-iconv \
   --enable-newlib-iconv-encodings=big5,cp775,cp850,cp852,cp855,\
cp866,euc_jp,euc_kr,euc_tw,iso_8859_1,iso_8859_10,iso_8859_11,\
iso_8859_13,iso_8859_14,iso_8859_15,iso_8859_2,iso_8859_3,\
iso_8859_4,iso_8859_5,iso_8859_6,iso_8859_7,iso_8859_8,iso_8859_9,\
iso_ir_111,koi8_r,koi8_ru,koi8_u,koi8_uni,ucs_2,ucs_2_internal,\
ucs_2be,ucs_2le,ucs_4,ucs_4_internal,ucs_4be,ucs_4le,us_ascii,\
utf_16,utf_16be,utf_16le,utf_8,win_1250,win_1251,win_1252,\
win_1253,win_1254,win_1255,win_1256,win_1257,win_1258"

pwd
#
# Configure newlib
../newlib-cygwin/configure \
    --disable-multilib \
    ${enable_iconv} \
    --enable-newlib-io-c99-formats \
    --enable-threads \
    --target=${RTEMS_TARGET} \
    --prefix=/tmp/throw_me_away \
   >c.log 2>&1
check_fatal $? "could not configure newlib"

# Build newlib
cov-build --dir cov-int make >b.log 2>&1
check_fatal $? "could not make newlib"

# Did we have problems loading the Coverity dynamic library?
grep -i "ERROR: ld.so:.*" b.log >/dev/null
if [ $? -ne 1 ] ; then
  check_fatal 1 "Looks like you have dynamic library issues with Coverity."
fi

# Did Coverity report something bad?
# grep -i cata cov-int/build-log.txt >/dev/null
# if [ $? -ne 1 ] ; then
#   check_fatal 1 "Catastrophic failures reported by coverity."
# fi

# Did Coverity report that it had no results?
grep -i "No files were emitted" cov-int/build-log.txt >/dev/null
if [ $? -ne 1 ] ; then
  check_fatal 1 "No output from Coverity.  Something went wrong."
fi

# Now create the tar file that Coverity wants
tar czvf newlib-coverity.tar.gz cov-int
check_fatal $? "could not make newlib-coverity"

curl --form token=BtR7PhfmMTP6Z3BnAU8tNw \
  --form email=joel.sherrill@gmail.com \
  --form file=@newlib-coverity.tar.gz \
  --form version="Master" \
  --form description="Master (${RTEMS_TARGET})" \
  https://scan.coverity.com/builds?project=RTEMS-Newlib

# Ran completed OK
exit 0