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be4345ce12
000000035b20402dea3e8168165cd4eefdc97539 Obsolete #!/bin/bash shebang (DesWurstes) Pull request description: > `#!/bin/bash` assumes it is always installed to `/bin/` which can cause issues > `#!/usr/bin/env bash` searches the user's `PATH` to find the `bash` binary Details: https://github.com/dylanaraps/pure-bash-bible#obsolete-syntax I'm open to comments: Should I also fix `#!/bin/sh`? Tree-SHA512: b47bb4828116aa119f1899c68fee081270d51a898535490b9c616bf0f3660ad953f29c361eafc759bc64cdd54ee6eeecb2d79e9fdb5291a996a515c719805476
114 lines
3.1 KiB
Bash
Executable File
114 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Copyright (c) 2017 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#
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# Check for new lines in diff that introduce trailing whitespace.
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# We can't run this check unless we know the commit range for the PR.
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export LC_ALL=C
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while getopts "?" opt; do
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case $opt in
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?)
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echo "Usage: .lint-whitespace.sh [N]"
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echo " COMMIT_RANGE='<commit range>' .lint-whitespace.sh"
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echo " .lint-whitespace.sh -?"
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echo "Checks unstaged changes, the previous N commits, or a commit range."
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echo "COMMIT_RANGE='47ba2c3...ee50c9e' .lint-whitespace.sh"
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exit 0
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;;
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esac
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done
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if [ -z "${COMMIT_RANGE}" ]; then
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if [ -n "$1" ]; then
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COMMIT_RANGE="HEAD~$1...HEAD"
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else
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COMMIT_RANGE="HEAD"
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fi
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fi
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showdiff() {
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if ! git diff -U0 "${COMMIT_RANGE}" -- "." ":(exclude)depends/patches/" ":(exclude)src/leveldb/" ":(exclude)src/secp256k1/" ":(exclude)src/univalue/" ":(exclude)doc/release-notes/"; then
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echo "Failed to get a diff"
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exit 1
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fi
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}
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showcodediff() {
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if ! git diff -U0 "${COMMIT_RANGE}" -- *.cpp *.h *.md *.py *.sh ":(exclude)src/leveldb/" ":(exclude)src/secp256k1/" ":(exclude)src/univalue/" ":(exclude)doc/release-notes/"; then
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echo "Failed to get a diff"
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exit 1
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fi
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}
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RET=0
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# Check if trailing whitespace was found in the diff.
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if showdiff | grep -E -q '^\+.*\s+$'; then
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echo "This diff appears to have added new lines with trailing whitespace."
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echo "The following changes were suspected:"
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FILENAME=""
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SEEN=0
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SEENLN=0
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while read -r line; do
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if [[ "$line" =~ ^diff ]]; then
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FILENAME="$line"
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SEEN=0
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elif [[ "$line" =~ ^@@ ]]; then
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LINENUMBER="$line"
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SEENLN=0
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else
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if [ "$SEEN" -eq 0 ]; then
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# The first time a file is seen with trailing whitespace, we print the
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# filename (preceded by a newline).
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echo
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echo "$FILENAME"
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SEEN=1
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fi
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if [ "$SEENLN" -eq 0 ]; then
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echo "$LINENUMBER"
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SEENLN=1
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fi
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echo "$line"
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fi
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done < <(showdiff | grep -E '^(diff --git |@@|\+.*\s+$)')
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RET=1
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fi
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# Check if tab characters were found in the diff.
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if showcodediff | perl -nle '$MATCH++ if m{^\+.*\t}; END{exit 1 unless $MATCH>0}' > /dev/null; then
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echo "This diff appears to have added new lines with tab characters instead of spaces."
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echo "The following changes were suspected:"
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FILENAME=""
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SEEN=0
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SEENLN=0
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while read -r line; do
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if [[ "$line" =~ ^diff ]]; then
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FILENAME="$line"
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SEEN=0
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elif [[ "$line" =~ ^@@ ]]; then
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LINENUMBER="$line"
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SEENLN=0
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else
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if [ "$SEEN" -eq 0 ]; then
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# The first time a file is seen with a tab character, we print the
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# filename (preceded by a newline).
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echo
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echo "$FILENAME"
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SEEN=1
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fi
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if [ "$SEENLN" -eq 0 ]; then
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echo "$LINENUMBER"
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SEENLN=1
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fi
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echo "$line"
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fi
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done < <(showcodediff | perl -nle 'print if m{^(diff --git |@@|\+.*\t)}')
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RET=1
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fi
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exit $RET
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