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-rwxr-xr-xscripts/pre-commit21
1 files changed, 21 insertions, 0 deletions
diff --git a/scripts/pre-commit b/scripts/pre-commit
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--- /dev/null
+++ b/scripts/pre-commit
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+#!/usr/bin/env bash
+
+set -o errexit -o nounset -o pipefail
+
+if ! command -v git-clang-format &> /dev/null; then
+ echo "Please make sure git-clang-format is available." >&2
+ exit 1
+fi
+
+output="$( git clang-format --style file --diff )"
+
+ok1='no modified files to format'
+ok2='clang-format did not modify any files'
+
+if [ "$output" != "$ok1" ] && [ "$output" != "$ok2" ]; then
+ echo "$output"
+ echo
+ echo 'clang-format required some formatting fixes.'
+ echo 'Please stage your changes, run `git clang-format`, review the formatting fixes, and commit.'
+ exit 1
+fi