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d8d9162f5b
0fbed98e42 [script] lint-whitespace: improve print linenumber (Akio Nakamura)
Pull request description:
Before this PR, the linenumber infomaition is output if trailing-space or tab code was found, but the output occurence is only per a file.
This PR separates the output timing of file name and line number.
As a result, users will find where they need to fix more easily.
example:
0) git diff
```
diff --git a/dummy.txt b/dummy.txt
index c0ce4d776..aebbdb88d 100644
--- a/dummy.txt
+++ b/dummy.txt
@@ -1,2 +1,2 @@
-1
-2
+1
+ 2
@@ -8,2 +8,2 @@
-8
-9
+ 8
+9
```
1) before this PR - Is there "9 " in second line? It may lead to be misunderstood.
```
This diff appears to have added new lines with trailing whitespace.
The following changes were suspected:
diff --git a/dummy.txt b/dummy.txt
@@ -1,2 +1,2 @@
+1
+9
```
2) after this PR
```
This diff appears to have added new lines with trailing whitespace.
The following changes were suspected:
diff --git a/dummy.txt b/dummy.txt
@@ -1,2 +1,2 @@
+1
@@ -8,2 +8,2 @@
+9
```
Tree-SHA512: 2fd52e3c982786f86cfe10aa2578589bc9c502bcad9b85111467840d726143330c23968cde5483ee0f563893c8381044b80e8c22a7c8eca56fc73c548b9a9496
113 lines
3.1 KiB
Bash
Executable File
113 lines
3.1 KiB
Bash
Executable File
#!/bin/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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while getopts "?" opt; do
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case $opt in
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?)
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echo "Usage: .lint-whitespace.sh [N]"
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echo " TRAVIS_COMMIT_RANGE='<commit range>' .lint-whitespace.sh"
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echo " .lint-whitespace.sh -?"
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echo "Checks unstaged changes, the previous N commits, or a commit range."
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echo "TRAVIS_COMMIT_RANGE='47ba2c3...ee50c9e' .lint-whitespace.sh"
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exit 0
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;;
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esac
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done
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if [ -z "${TRAVIS_COMMIT_RANGE}" ]; then
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if [ "$1" ]; then
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TRAVIS_COMMIT_RANGE="HEAD~$1...HEAD"
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else
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TRAVIS_COMMIT_RANGE="HEAD"
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fi
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fi
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showdiff() {
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if ! git diff -U0 "${TRAVIS_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 "${TRAVIS_COMMIT_RANGE}" -- *.cpp *.h *.md *.py *.sh ":(exclude)src/leveldb/" ":(exclude)src/secp256k1/" ":(exclude)src/univalue/" ":(exclude)doc/release-notes/"; then
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echo "Failed to get a diff"
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exit 1
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fi
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}
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RET=0
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# Check if trailing whitespace was found in the diff.
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if showdiff | grep -E -q '^\+.*\s+$'; 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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