Fixes for shellcheck warnings, part 1

.circleci/soltest.sh

@@ -1,4 +1,4 @@
-#! /bin/bash
+#!/usr/bin/env bash
 #------------------------------------------------------------------------------
 # Bash script to execute the Solidity tests by CircleCI.
 #
@@ -56,7 +56,7 @@ get_logfile_basename() {
     echo -ne "${filename}"
 }
 
-BOOST_TEST_ARGS=("--color_output=no" "--show_progress=yes" "--logger=JUNIT,error,test_results/`get_logfile_basename`.xml" "${BOOST_TEST_ARGS[@]}")
+BOOST_TEST_ARGS=("--color_output=no" "--show_progress=yes" "--logger=JUNIT,error,test_results/$(get_logfile_basename).xml" "${BOOST_TEST_ARGS[@]}")
 SOLTEST_ARGS=("--evm-version=$EVM" "${SOLTEST_FLAGS[@]}")
 
 test "${OPTIMIZE}" = "1" && SOLTEST_ARGS+=(--optimize)

.circleci/soltest_all.sh

@@ -32,38 +32,35 @@ EVM_VALUES=(homestead byzantium constantinople petersburg istanbul)
 OPTIMIZE_VALUES=(0 1)
 STEPS=$(( 2 + ${#EVM_VALUES[@]} * ${#OPTIMIZE_VALUES[@]} ))
 
-if (( $CIRCLE_NODE_TOTAL )) && (( $CIRCLE_NODE_TOTAL > 1 ))
+if (( CIRCLE_NODE_TOTAL )) && (( CIRCLE_NODE_TOTAL > 1 ))
 then
     # Run step 1 as the only step on the first executor
     # and evenly distribute the other steps among
     # the other executors.
     # The first step takes much longer than the other steps.
-    if (( $CIRCLE_NODE_INDEX == 0 ))
+    if (( CIRCLE_NODE_INDEX == 0 ))
     then
         RUN_STEPS="1"
     else
-        export CIRCLE_NODE_INDEX=$(($CIRCLE_NODE_INDEX - 1))
-        export CIRCLE_NODE_TOTAL=$(($CIRCLE_NODE_TOTAL - 1))
-        RUN_STEPS=$(seq 2 "$STEPS" | circleci tests split)
+        export CIRCLE_NODE_INDEX=$((CIRCLE_NODE_INDEX - 1))
+        export CIRCLE_NODE_TOTAL=$((CIRCLE_NODE_TOTAL - 1))
+        RUN_STEPS=$(seq 2 "$STEPS" | circleci tests split | xargs)
     fi
 else
-    RUN_STEPS=$(seq "$STEPS")
+    RUN_STEPS=$(seq "$STEPS" | xargs)
 fi
 
-# turn newlines into spaces
-RUN_STEPS=$(echo $RUN_STEPS)
-
 echo "Running steps $RUN_STEPS..."
 
 STEP=1
 
 # Run SMTChecker tests separately, as the heaviest expected run.
-[[ " $RUN_STEPS " =~ " $STEP " ]] && EVM=istanbul OPTIMIZE=1 ABI_ENCODER_V1=1 BOOST_TEST_ARGS="-t smtCheckerTests/*" "${REPODIR}/.circleci/soltest.sh"
-STEP=$(($STEP + 1))
+[[ " $RUN_STEPS " == *" $STEP "* ]] && EVM=istanbul OPTIMIZE=1 ABI_ENCODER_V1=1 BOOST_TEST_ARGS="-t smtCheckerTests/*" "${REPODIR}/.circleci/soltest.sh"
+STEP=$((STEP + 1))
 
 # Run without SMTChecker tests.
-[[ " $RUN_STEPS " =~ " $STEP " ]] && EVM=istanbul OPTIMIZE=1 ABI_ENCODER_V1=1 BOOST_TEST_ARGS="-t !smtCheckerTests" "${REPODIR}/.circleci/soltest.sh"
-STEP=$(($STEP + 1))
+[[ " $RUN_STEPS " == *" $STEP "* ]] && EVM=istanbul OPTIMIZE=1 ABI_ENCODER_V1=1 BOOST_TEST_ARGS="-t !smtCheckerTests" "${REPODIR}/.circleci/soltest.sh"
+STEP=$((STEP + 1))
 
 for OPTIMIZE in "${OPTIMIZE_VALUES[@]}"
 do
@@ -73,12 +70,12 @@ do
         EWASM_ARGS=""
         [ "${EVM}" = "byzantium" ] && [ "${OPTIMIZE}" = "0" ] && EWASM_ARGS="--ewasm"
 
-        [[ " $RUN_STEPS " =~ " $STEP " ]] && EVM="$EVM" OPTIMIZE="$OPTIMIZE" SOLTEST_FLAGS="$SOLTEST_FLAGS $EWASM_ARGS" BOOST_TEST_ARGS="-t !@nooptions" "${REPODIR}/.circleci/soltest.sh"
-        STEP=$(($STEP + 1))
+        [[ " $RUN_STEPS " == *" $STEP "* ]] && EVM="$EVM" OPTIMIZE="$OPTIMIZE" SOLTEST_FLAGS="$SOLTEST_FLAGS $EWASM_ARGS" BOOST_TEST_ARGS="-t !@nooptions" "${REPODIR}/.circleci/soltest.sh"
+        STEP=$((STEP + 1))
     done
 done
 
-if (($STEP != $STEPS + 1))
+if ((STEP != STEPS + 1))
 then
     echo "Step counter not properly adjusted!" >&2
     exit 1

scripts/ASTImportTest.sh

@@ -27,7 +27,7 @@ TESTED=0
 
 if [ "$(ls | wc -l)" -ne 0 ]; then
     echo "Test directory not empty. Skipping!"
-    exit -1
+    exit 1
 fi
 
 # function tests whether exporting and importing again leaves the JSON ast unchanged
@@ -45,8 +45,7 @@ function testImportExportEquivalence {
         # save exported json as expected result (silently)
         $SOLC --combined-json ast,compact-format --pretty-json "$nth_input_file" "${all_input_files[@]}" > expected.json 2> /dev/null
         # import it, and export it again as obtained result (silently)
-        $SOLC --import-ast --combined-json ast,compact-format --pretty-json expected.json > obtained.json 2> /dev/null
-        if [ $? -ne 0 ]
+        if ! $SOLC --import-ast --combined-json ast,compact-format --pretty-json expected.json > obtained.json 2> /dev/null
         then
             # For investigating, use exit 1 here so the script stops at the
             # first failing test
@@ -61,9 +60,9 @@ function testImportExportEquivalence {
             then
                 echo -e "ERROR: JSONS differ for $1: \n $DIFF \n"
                 echo "Expected:"
-                echo "$(cat ./expected.json)"
+                cat ./expected.json
                 echo "Obtained:"
-                echo "$(cat ./obtained.json)"
+                cat ./obtained.json
             else
                 # Use user supplied diff view binary
                 $DIFFVIEW expected.json obtained.json

scripts/check_style.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set -eu
+
 ERROR_LOG="$(mktemp -t check_style_XXXXXX.log)"
 
 EXCLUDE_FILES=(
@@ -20,7 +22,7 @@ REPO_ROOT="$(dirname "$0")"/..
 cd "$REPO_ROOT" || exit 1
 
 WHITESPACE=$(git grep -n -I -E "^.*[[:space:]]+$" |
-    grep -v "test/libsolidity/ASTJSON\|test/libsolidity/ASTRecoveryTests\|test/compilationTests/zeppelin/LICENSE\|${EXCLUDE_FILES_JOINED}"
+    grep -v "test/libsolidity/ASTJSON\|test/libsolidity/ASTRecoveryTests\|test/compilationTests/zeppelin/LICENSE\|${EXCLUDE_FILES_JOINED}" || true
 )
 
 if [[ "$WHITESPACE" != "" ]]
@@ -49,7 +51,7 @@ FORMATERROR=$(
     preparedGrep "[a-zA-Z0-9_]\s*[&][a-zA-Z_]" | grep -E -v "return [&]" # right-aligned reference ampersand (needs to exclude return)
     # right-aligned reference pointer star (needs to exclude return and comments)
     preparedGrep "[a-zA-Z0-9_]\s*[*][a-zA-Z_]" | grep -E -v -e "return [*]" -e "^* [*]" -e "^*//.*"
-) | grep -E -v -e "^[a-zA-Z\./]*:[0-9]*:\s*\/(\/|\*)" -e "^test/"
+) | grep -E -v -e "^[a-zA-Z\./]*:[0-9]*:\s*\/(\/|\*)" -e "^test/" || true
 )
 
 if [[ "$FORMATERROR" != "" ]]

scripts/chk_shellscripts/chk_shellscripts.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -e
+set -eu
 
 REPO_ROOT="$(dirname "$0")"/../..
 REPO_ROOT=$(realpath "${REPO_ROOT}")

scripts/chk_shellscripts/ignore.txt

@@ -1,20 +1,10 @@
 ./test/cmdlineTests.sh
 ./scripts/wasm-rebuild/docker-scripts/rebuild_tags.sh
-./scripts/wasm-rebuild/docker-scripts/rebuild_current.sh
-./scripts/wasm-rebuild/docker-scripts/genbytecode.sh
-./scripts/ci/build_emscripten.sh
 ./scripts/docs_version_pragma_check.sh
-./scripts/uniqueErrors.sh
 ./scripts/tests.sh
 ./scripts/bytecodecompare/storebytecode.sh
 ./scripts/deps-ppa/static_z3.sh
 ./scripts/ASTImportTest.sh
-./scripts/install_static_z3.sh
 ./scripts/install_deps.sh
-./scripts/common_cmdline.sh
-./scripts/docker_deploy_manual.sh
-./scripts/endToEndExtraction/create_traces.sh
 ./scripts/release_ppa.sh
-./scripts/create_source_tarball.sh
 ./.circleci/soltest.sh
-./.circleci/soltest_all.sh

scripts/ci/build_emscripten.sh

@@ -78,6 +78,6 @@ mkdir -p upload
 cp "$BUILD_DIR/libsolc/soljson.js" upload/
 cp "$BUILD_DIR/libsolc/soljson.js" ./
 
-OUTPUT_SIZE=`ls -la soljson.js`
+OUTPUT_SIZE=$(ls -la soljson.js)
 
 echo "Emscripten output size: $OUTPUT_SIZE"

scripts/common_cmdline.sh

@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 # ------------------------------------------------------------------------------
 # vim:ts=4:et
 # This file is part of solidity.
@@ -50,12 +51,12 @@ function compileFull()
 
     local files=("$@")
 
-    local stderr_path=$(mktemp)
+    local stderr_path; stderr_path=$(mktemp)
 
     set +e
     "$SOLC" "${args[@]}" "${files[@]}" >/dev/null 2>"$stderr_path"
     local exit_code=$?
-    local errors=$(grep -v -E 'Warning: This is a pre-release compiler version|Warning: Experimental features are turned on|pragma experimental ABIEncoderV2|^ +--> |^ +\||^[0-9]+ +\|' < "$stderr_path")
+    local errors; errors=$(grep -v -E 'Warning: This is a pre-release compiler version|Warning: Experimental features are turned on|pragma experimental ABIEncoderV2|^ +--> |^ +\||^[0-9]+ +\|' < "$stderr_path")
     set -e
     rm "$stderr_path"
 

scripts/create_source_tarball.sh

@@ -11,7 +11,7 @@ REPO_ROOT="$(dirname "$0")"/..
     commitdate=$(git show --format=%ci HEAD | head -n 1 | cut - -b1-10 | sed -e 's/-0?/./' | sed -e 's/-0?/./')
 
     # file exists and has zero size -> not a prerelease
-    if [ -e prerelease.txt -a ! -s prerelease.txt ]
+    if [ -e prerelease.txt ] && [ ! -s prerelease.txt ]
     then
         versionstring="$version"
     else
@@ -25,7 +25,7 @@ REPO_ROOT="$(dirname "$0")"/..
     git checkout-index -a --prefix="$SOLDIR"
     # Store the commit hash
     echo "$commithash" > "$SOLDIR/commit_hash.txt"
-    if [ -e prerelease.txt -a ! -s prerelease.txt ]
+    if [ -e prerelease.txt ] && [ ! -s prerelease.txt ]
     then
         cp prerelease.txt "$SOLDIR/"
     fi

scripts/deps-ppa/static_z3.sh

@@ -214,12 +214,12 @@ if wget --quiet -O $orig-tmp "$ppafilesurl/$orig"
 then
     echo "[WARN] Original tarball found in Ubuntu archive, using it instead"
     mv $orig-tmp $orig
-    new_size=$(ls -l *.orig.tar.gz | cut -d ' ' -f 5)
+    new_size=$(ls -l ./*.orig.tar.gz | cut -d ' ' -f 5)
     new_sha1=$(sha1sum $orig | cut -d ' ' -f 1)
     new_sha256=$(sha256sum $orig | cut -d ' ' -f 1)
     new_md5=$(md5sum $orig | cut -d ' ' -f 1)
-    sed -i -e "s,$orig_sha1,$new_sha1,g" -e "s,$orig_sha256,$new_sha256,g" -e "s,$orig_size,$new_size,g" -e "s,$orig_md5,$new_md5,g" *.dsc
-    sed -i -e "s,$orig_sha1,$new_sha1,g" -e "s,$orig_sha256,$new_sha256,g" -e "s,$orig_size,$new_size,g" -e "s,$orig_md5,$new_md5,g" *.changes
+    sed -i -e "s,$orig_sha1,$new_sha1,g" -e "s,$orig_sha256,$new_sha256,g" -e "s,$orig_size,$new_size,g" -e "s,$orig_md5,$new_md5,g" ./*.dsc
+    sed -i -e "s,$orig_sha1,$new_sha1,g" -e "s,$orig_sha256,$new_sha256,g" -e "s,$orig_size,$new_size,g" -e "s,$orig_md5,$new_md5,g" ./*.changes
 fi
 )
 

scripts/docker_deploy_manual.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
 set -e
 
@@ -21,7 +21,7 @@ cd solidity
 commithash=$(git rev-parse --short=8 HEAD)
 echo -n "$commithash" > commit_hash.txt
 version=$("$(dirname "$0")/get_version.sh")
-if [ "$branch" = "release" -o "$branch" = v"$version" ]
+if [ "$branch" = "release" ] || [ "$branch" = v"$version" ]
 then
     echo -n > prerelease.txt
 else

scripts/docs_version_pragma_check.sh

@@ -66,11 +66,12 @@ function versionEqual()
 function getAllAvailableVersions()
 {
     allVersions=()
-    local allListedVersions=( $(
+    local allListedVersions
+    mapfile -t allListedVersions <<< "$(
         wget -q -O- https://binaries.soliditylang.org/bin/list.txt |
         grep -Po '(?<=soljson-v)\d+.\d+.\d+(?=\+commit)' |
         sort -V
-    ) )
+    )"
     for listed in "${allListedVersions[@]}"
     do
         if versionGreater "$listed" "0.4.10"
@@ -187,8 +188,7 @@ SOLTMPDIR=$(mktemp -d)
         ln -sf "$solc_bin" "solc"
         chmod a+x solc
 
-        SOLC="$SOLTMPDIR/solc"
-        compileFull "${opts[@]}" "$SOLTMPDIR/$f"
+        SOLC="$SOLTMPDIR/solc" compileFull "${opts[@]}" "$SOLTMPDIR/$f"
     done
 )
 rm -rf "$SOLTMPDIR"

scripts/endToEndExtraction/create_traces.sh

@@ -1,22 +1,25 @@
-BASE_PATH="$( cd "$(dirname "$0")" >/dev/null 2>&1 || exit ; pwd -P )"
+#!/usr/bin/env bash
+set -eu
+
+BASE_PATH="$( cd "$(dirname "$0")" >/dev/null 2>&1 && pwd -P )"
 
 mkdir -p build
-cd build || exit
+cd build
 cmake ../../../
 make soltest
-cd test/ || exit
+cd test/
 echo "running soltest on 'semanticTests/extracted'..."
 ./soltest --color_output=false --log_level=test_suite -t semanticTests/extracted/ -- --testpath "${BASE_PATH}/../../test" --no-smt --evmonepath /Users/alex/evmone/lib/libevmone.dylib --show-messages --show-metadata > "${BASE_PATH}/extracted-tests.trace"
 echo "running soltest on 'semanticTests/extracted'... done"
 
-cd "$BASE_PATH" || exit
+cd "$BASE_PATH"
 git clone git@github.com:ethereum/solidity.git solidity-develop
-cd solidity-develop || exit
+cd solidity-develop
 mkdir -p build
-cd build || exit
+cd build
 cmake ..
 make soltest
-cd test/ || exit
+cd test/
 echo "running soltest on 'SolidityEndToEndTest'..."
 ./soltest --color_output=false --log_level=test_suite -t SolidityEndToEndTest/ -- --testpath "${BASE_PATH}/solidity-develop/test" --no-smt --evmonepath /Users/alex/evmone/lib/libevmone.dylib --show-messages --show-metadata > "${BASE_PATH}/endToEndExtraction-tests.trace"
 echo "running soltest on 'SolidityEndToEndTest'... done"

scripts/install_cmake.sh

@@ -4,7 +4,7 @@
 # (the cmake executable will be in ~/.local/bin).
 # This is mostly suitable for CIs, not end users.
 
-set -e
+set -eu
 
 VERSION_MAJOR=3
 VERSION_MINOR=15

scripts/install_obsolete_jsoncpp_1_7_4.sh

@@ -1,5 +1,5 @@
-#!/usr/bin/env sh
-set -e
+#!/usr/bin/env bash
+set -eu
 
 TEMPDIR=$(mktemp -d)
 (

scripts/install_static_z3.sh

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set -eu
+
 git clone --depth 1 --branch z3-4.8.7 https://github.com/Z3Prover/z3.git
 cd z3
 mkdir build

scripts/release_ppa.sh

@@ -274,12 +274,12 @@ if wget --quiet -O "$orig-tmp" "$ppafilesurl/$orig"
 then
     echo "[WARN] Original tarball found in Ubuntu archive, using it instead"
     mv "$orig-tmp" "$orig"
-    new_size=$(ls -l *.orig.tar.gz | cut -d ' ' -f 5)
+    new_size=$(ls -l ./*.orig.tar.gz | cut -d ' ' -f 5)
     new_sha1=$(sha1sum "$orig" | cut -d ' ' -f 1)
     new_sha256=$(sha256sum "$orig" | cut -d ' ' -f 1)
     new_md5=$(md5sum "$orig" | cut -d ' ' -f 1)
-    sed -i -e "s,$orig_sha1,$new_sha1,g" -e "s,$orig_sha256,$new_sha256,g" -e "s,$orig_size,$new_size,g" -e "s,$orig_md5,$new_md5,g" *.dsc
-    sed -i -e "s,$orig_sha1,$new_sha1,g" -e "s,$orig_sha256,$new_sha256,g" -e "s,$orig_size,$new_size,g" -e "s,$orig_md5,$new_md5,g" *.changes
+    sed -i -e "s,$orig_sha1,$new_sha1,g" -e "s,$orig_sha256,$new_sha256,g" -e "s,$orig_size,$new_size,g" -e "s,$orig_md5,$new_md5,g" ./*.dsc
+    sed -i -e "s,$orig_sha1,$new_sha1,g" -e "s,$orig_sha256,$new_sha256,g" -e "s,$orig_size,$new_size,g" -e "s,$orig_md5,$new_md5,g" ./*.changes
 fi
 )
 

scripts/soltest.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -e
+set -eu
 
 REPO_ROOT="$(dirname "$0")"/..
 USE_DEBUGGER=0

scripts/tests.sh

@@ -34,7 +34,7 @@ IFS=" " read -r -a SMT_FLAGS <<< "$SMT_FLAGS"
 
 source "${REPO_ROOT}/scripts/common.sh"
 
-WORKDIR=`mktemp -d`
+WORKDIR=$(mktemp -d)
 CMDLINE_PID=
 
 cleanup() {

scripts/uniqueErrors.sh

@@ -1,10 +1,10 @@
-#!/bin/sh
+#!/usr/bin/env bash
 
 REPO="$(dirname "$0")/.."
 
 echo "Finding unique failures..."
 (
-for x in $*
+for x in "$@"
 do
     echo -n "$x" " # "
     # This subshell is a workaround to prevent the shell from printing

scripts/wasm-rebuild/docker-scripts/genbytecode.sh

@@ -93,6 +93,6 @@ for (var optimize of [false, true])
 }
 EOF
     chmod +x solc
-    ./solc *.sol > /tmp/report.txt
+    ./solc -- *.sol > /tmp/report.txt
 )
 rm -rf "$TMPDIR"

scripts/wasm-rebuild/docker-scripts/rebuild_current.sh

@@ -41,7 +41,14 @@ if [ -d jsoncpp ]; then
 fi
 
 set +e
-scripts/*/build_emscripten.sh
+
+if [ -e scripts/ci/build_emscripten.sh ]; then
+  scripts/ci/build_emscripten.sh
+else
+  # The script used to be in scripts/ci/ in earlier versions.
+  scripts/travis-emscripten/build_emscripten.sh
+fi
+
 set -e
 
 mkdir -p upload