#!/bin/bash

# spell-checker:ignore (paths) abmon deref discrim eacces getlimits getopt ginstall gnulib inacc infloop inotify reflink ; (misc) INT_OFLOW OFLOW baddecode ; (vars/env) BUILDDIR SRCDIR

set -e
if test ! -d ../gnu; then
    echo "Could not find ../gnu"
    echo "git clone https://github.com/coreutils/coreutils.git gnu"
    exit 1
fi
if test ! -d ../gnulib; then
    echo "Could not find ../gnulib"
    echo "git clone https://github.com/coreutils/gnulib.git gnulib"
    exit 1
fi


pushd $(pwd)
make PROFILE=release
BUILDDIR="$PWD/target/release/"
cp "${BUILDDIR}/install" "${BUILDDIR}/ginstall" # The GNU tests rename this script before running, to avoid confusion with the make target
# Create *sum binaries
for sum in b2sum md5sum sha1sum sha224sum sha256sum sha384sum sha512sum
do
    sum_path="${BUILDDIR}/${sum}"
    test -f "${sum_path}" || cp "${BUILDDIR}/hashsum" "${sum_path}"
done
test -f "${BUILDDIR}/[" || cp "${BUILDDIR}/test" "${BUILDDIR}/["
popd
GNULIB_SRCDIR="$PWD/../gnulib"
pushd ../gnu/

# Any binaries that aren't built become `false` so their tests fail
for binary in $(./build-aux/gen-lists-of-programs.sh --list-progs)
do
    bin_path="${BUILDDIR}/${binary}"
    test -f "${bin_path}" || { echo "'${binary}' was not built with uutils, using the 'false' program"; cp "${BUILDDIR}/false" "${bin_path}"; }
done

./bootstrap --gnulib-srcdir="$GNULIB_SRCDIR"
./configure --quiet --disable-gcc-warnings
#Add timeout to to protect against hangs
sed -i 's|^"\$@|/usr/bin/timeout 600 "\$@|' build-aux/test-driver
# Change the PATH in the Makefile to test the uutils coreutils instead of the GNU coreutils
sed -i "s/^[[:blank:]]*PATH=.*/  PATH='${BUILDDIR//\//\\/}\$(PATH_SEPARATOR)'\"\$\$PATH\" \\\/" Makefile
sed -i 's| tr | /usr/bin/tr |' tests/init.sh
make -j "$(nproc)"
# Generate the factor tests, so they can be fixed
# Used to be 36. Reduced to 20 to decrease the log size
for i in {00..20}
do
    make tests/factor/t${i}.sh
done

# strip the long stuff
for i in {21..36}
do
    sed -i -e "s/\$(tf)\/t${i}.sh//g" Makefile
done


grep -rl 'path_prepend_' tests/* | xargs sed -i 's| path_prepend_ ./src||'
sed -i -e 's|^seq |/usr/bin/seq |' -e 's|sha1sum |/usr/bin/sha1sum |' tests/factor/t*sh

# Remove tests checking for --version & --help
# Not really interesting for us and logs are too big
sed -i -e '/tests\/misc\/invalid-opt.pl/ D' \
    -e '/tests\/misc\/help-version.sh/ D' \
    -e '/tests\/misc\/help-version-getopt.sh/ D' \
    Makefile

# logs are clotted because of this test
sed -i -e '/tests\/misc\/seq-precision.sh/ D' \
    Makefile

# printf doesn't limit the values used in its arg, so this produced ~2GB of output
sed -i '/INT_OFLOW/ D' tests/misc/printf.sh

# Use the system coreutils where the test fails due to error in a util that is not the one being tested
sed -i 's|stat|/usr/bin/stat|' tests/chgrp/basic.sh tests/cp/existing-perm-dir.sh tests/touch/60-seconds.sh tests/misc/sort-compress-proc.sh
sed -i 's|ls -|/usr/bin/ls -|' tests/chgrp/posix-H.sh tests/chown/deref.sh tests/cp/same-file.sh tests/misc/mknod.sh tests/mv/part-symlink.sh tests/du/8gb.sh
sed -i 's|mkdir |/usr/bin/mkdir |' tests/cp/existing-perm-dir.sh tests/rm/empty-inacc.sh
sed -i 's|timeout \([[:digit:]]\)| /usr/bin/timeout \1|' tests/tail-2/inotify-rotate.sh tests/tail-2/inotify-dir-recreate.sh tests/tail-2/inotify-rotate-resources.sh tests/cp/parent-perm-race.sh tests/ls/infloop.sh tests/misc/sort-exit-early.sh tests/misc/sort-NaN-infloop.sh tests/misc/uniq-perf.sh tests/tail-2/inotify-only-regular.sh tests/tail-2/pipe-f2.sh tests/tail-2/retry.sh tests/tail-2/symlink.sh tests/tail-2/wait.sh tests/tail-2/pid.sh tests/dd/stats.sh tests/tail-2/follow-name.sh tests/misc/shuf.sh # Don't break the function called 'grep_timeout'
sed -i 's|chmod |/usr/bin/chmod |' tests/du/inacc-dir.sh tests/mkdir/p-3.sh tests/tail-2/tail-n0f.sh tests/cp/fail-perm.sh tests/du/inaccessible-cwd.sh tests/mv/i-2.sh tests/chgrp/basic.sh tests/misc/shuf.sh
sed -i 's|sort |/usr/bin/sort |' tests/ls/hyperlink.sh tests/misc/test-N.sh
sed -i 's|split |/usr/bin/split |' tests/misc/factor-parallel.sh
sed -i 's|truncate |/usr/bin/truncate |' tests/split/fail.sh
sed -i 's|dd |/usr/bin/dd |' tests/du/8gb.sh tests/tail-2/big-4gb.sh init.cfg
sed -i 's|id -|/usr/bin/id -|' tests/misc/runcon-no-reorder.sh
sed -i 's|touch |/usr/bin/touch |' tests/cp/preserve-link.sh tests/cp/reflink-perm.sh tests/ls/block-size.sh tests/ls/abmon-align.sh tests/ls/rt-1.sh tests/mv/update.sh tests/misc/ls-time.sh tests/misc/stat-nanoseconds.sh tests/misc/time-style.sh tests/misc/test-N.sh
sed -i 's|ln -|/usr/bin/ln -|' tests/cp/link-deref.sh
sed -i 's|printf |/usr/bin/printf |' tests/dd/ascii.sh
sed -i 's|cp |/usr/bin/cp |' tests/mv/hard-2.sh
sed -i 's|paste |/usr/bin/paste |' tests/misc/od-endian.sh
sed -i 's|seq |/usr/bin/seq |' tests/misc/sort-discrim.sh

# Add specific timeout to tests that currently hang to limit time spent waiting
sed -i 's|\(^\s*\)seq \$|\1/usr/bin/timeout 0.1 seq \$|' tests/misc/seq-precision.sh tests/misc/seq-long-double.sh


# Remove dup of /usr/bin/ when executed several times
grep -rlE '/usr/bin/\s?/usr/bin' init.cfg tests/* | xargs --no-run-if-empty sed -Ei 's|/usr/bin/\s?/usr/bin/|/usr/bin/|g'


#### Adjust tests to make them work with Rust/coreutils
# in some cases, what we are doing in rust/coreutils is good (or better)
# we should not regress our project just to match what GNU is going.
# So, do some changes on the fly

sed -i -e "s|rm: cannot remove 'e/slink'|rm: cannot remove 'e'|g" tests/rm/fail-eacces.sh

sed -i -e "s|rm: cannot remove 'a/b/file'|rm: cannot remove 'a'|g" tests/rm/cycle.sh

sed -i -e "s|rm: cannot remove directory 'b/a/p'|rm: cannot remove 'b'|g" tests/rm/rm1.sh

sed -i -e "s|rm: cannot remove 'a/1'|rm: cannot remove 'a'|g" tests/rm/rm2.sh

sed -i -e "s|removed directory 'a/'|removed directory 'a'|g" tests/rm/v-slash.sh

test -f "${BUILDDIR}/getlimits" || cp src/getlimits "${BUILDDIR}"

# When decoding an invalid base32/64 string, gnu writes everything it was able to decode until
# it hit the decode error, while we don't write anything if the input is invalid.
sed -i "s/\(baddecode.*OUT=>\"\).*\"/\1\"/g" tests/misc/base64.pl
sed -i "s/\(\(b2[ml]_[69]\|b32h_[56]\|z85_8\|z85_35\).*OUT=>\)[^}]*\(.*\)/\1\"\"\3/g" tests/misc/basenc.pl

# add "error: " to the expected error message
sed -i "s/\$prog: invalid input/\$prog: error: invalid input/g" tests/misc/basenc.pl

# basenc: swap out error message for unexpected arg
sed -i "s/  {ERR=>\"\$prog: foobar\\\\n\" \. \$try_help }/  {ERR=>\"error: Found argument '--foobar' which wasn't expected, or isn't valid in this context\n\nUSAGE:\n    basenc [OPTION]... [FILE]\n\nFor more information try --help\n\"}]/" tests/misc/basenc.pl
sed -i "s/  {ERR_SUBST=>\"s\/(unrecognized|unknown) option \[-' \]\*foobar\[' \]\*\/foobar\/\"}],//" tests/misc/basenc.pl

# Remove the check whether a util was built. Otherwise tests against utils like "arch" are not run.
sed -i "s|require_built_ |# require_built_ |g" init.cfg