118 lines
3.7 KiB
Bash
Executable File
118 lines
3.7 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2014 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# This script checks all files in the "elements" directory for some
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# common mistakes and exits with a non-zero status if it finds any.
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set -eu
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set -o pipefail
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parse_exclusions() {
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# Exclusions are currently only read on a per-file basis
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local filename=$1
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local disable_pattern="# dib-lint: disable="
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local exclusions=$(grep "^$disable_pattern.*$" $filename | sed "s/$disable_pattern//g")
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echo $exclusions
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}
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excluded() {
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local test_name=$1
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for e in $exclusions; do
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if [ "$e" = "$test_name" ]; then
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return 0
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fi
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done
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return 1
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}
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rc=0
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TMPDIR=$(mktemp -d)
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trap "rm -rf $TMPDIR" EXIT
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for i in $(find elements -type f); do
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exclusions=("$(parse_exclusions $i)")
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# Check that files starting with a shebang are +x
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firstline=$(head -n 1 "$i")
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if [ "${firstline:0:2}" = "#!" ]; then
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if [ ! -x "$i" ] && ! excluded executable; then
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echo "ERROR: $i is not executable"
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rc=1
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fi
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# Ensure 4 spaces indent are used
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if grep -q "^ \{4\}* \{1,3\}[^ ]" ${i}; then
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echo "ERROR: $i should use 4 spaces indent"
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rc=1
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fi
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fi
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# Check alphabetical ordering of element-deps
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if [ $(basename $i) = "element-deps" ]; then
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UNSORTED=${TMPDIR}/element-deps.unsorted
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SORTED=${TMPDIR}/element-deps.sorted
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grep -v '^#' $i > ${UNSORTED}
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sort ${UNSORTED} > ${SORTED}
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diff -c ${UNSORTED} ${SORTED}
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if [ $? -ne 0 ]; then
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echo "ERROR: $i is not sorted alphabetically"
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rc=1
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fi
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fi
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# Check that all scripts are set -eu -o pipefail
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# NOTE(bnemec): This doesn't verify that the set call occurs high
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# enough in the file to be useful, but hopefully nobody will be
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# sticking set calls at the end of their file to trick us. And if
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# they are, that's easy enough to catch in reviews.
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# Also, this is only going to check bash scripts - we've decided to
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# explicitly require bash for any scripts that don't have a specific
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# need to run under other shells, and any exceptions to that rule
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# may not want these checks either.
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if [ -n "$(echo $firstline | grep '#!/bin/bash')" ]; then
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if ! excluded sete; then
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if [ -z "$(grep "^set -[^ ]*e" $i)" ]; then
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echo "ERROR: $i is not set -e"
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rc=1
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fi
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fi
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if ! excluded setu; then
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if [ -z "$(grep "^set -[^ ]*u" $i)" ]; then
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echo "ERROR: $i is not set -u"
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rc=1
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fi
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fi
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if ! excluded setpipefail; then
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if [ -z "$(grep "^set -o pipefail" $i)" ]; then
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echo "ERROR: $i is not set -o pipefail"
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rc=1
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fi
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fi
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fi
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done
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for i in $(find elements -type f -and -name '*.md' -or -type f -executable); do
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# Check for tab indentation
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if grep -q $'^ *\t' ${i}; then
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echo "ERROR: $i contains tab characters"
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rc=1
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fi
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if [ "$(tail -c 1 $i)" != "" ]; then
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echo "ERROR: No newline at end of file: $i"
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fi
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done
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exit $rc
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