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Continue format script when changes detected by clang-format-diff.py (#12329) 

Summary:
The original [clang-format-diff.py script](https://raw.githubusercontent.com/llvm/llvm-project/main/clang/tools/clang-format/clang-format-diff.py), referenced in format.sh, exits with a status of 1 at the end after writing diffs to stderr.  Consequently, the format.sh script terminates after initializing the 'diffs' variable.

Implemented additional logic in format-diff.sh to ensure continuous execution, even when changes are detected and further formatting is required.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/12329

Reviewed By: pdillinger

Differential Revision: D53483185

Pulled By: cbi42

fbshipit-source-id: b7adff26f129220941258fd6ee83d053fa12b077
This commit is contained in:
chuhao zeng 2024-02-09 16:46:38 -08:00 committed by Facebook GitHub Bot
parent b46f5707c4
commit daf06f1361
1 changed files with 5 additions and 2 deletions
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7
build_tools/format-diff.sh
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@ -137,11 +137,11 @@ then
# should be relevant for formatting fixes.
FORMAT_UPSTREAM_MERGE_BASE="$(git merge-base "$FORMAT_UPSTREAM" HEAD)"
# Get the differences
diffs=$(git diff -U0 "$FORMAT_UPSTREAM_MERGE_BASE" | $CLANG_FORMAT_DIFF -p 1)
diffs=$(git diff -U0 "$FORMAT_UPSTREAM_MERGE_BASE" | $CLANG_FORMAT_DIFF -p 1) || true
echo "Checking format of changes not yet in $FORMAT_UPSTREAM..."
else
# Check the format of uncommitted lines,
diffs=$(git diff -U0 HEAD | $CLANG_FORMAT_DIFF -p 1)
diffs=$(git diff -U0 HEAD | $CLANG_FORMAT_DIFF -p 1) || true
echo "Checking format of uncommitted changes..."
fi
@ -149,6 +149,9 @@ if [ -z "$diffs" ]
then
echo "Nothing needs to be reformatted!"
exit 0
elif [ $? -ne 1 ]; then
# CLANG_FORMAT_DIFF will exit on 1 while there is suggested changes.
exit $?
elif [ $CHECK_ONLY ]
then
echo "Your change has unformatted code. Please run make format!"