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#!/bin/bash
# use as .git/hooks/pre-commit
COMMIT_MSG_FILE=$1
COMMIT_SOURCE=$2
SHA1=$3
exec 1>&2
RET=0
changed=$(git diff --cached --name-only)
for f in $changed;
do
# Only headers in include
if echo $f | grep \src\/include\/.\*\.h\$ > /dev/null
then
RET=1
fi
done
# Only add custom message when there is no commit source
# ($COMMIT_SOURCE is empty). Otherwise, keep the default message
# proposed by Git. Possible commit source: message, template,
# merge, squash or commit.
if [ $RET = 1 ];
then
if [ -z "$COMMIT_SOURCE" ] || [ "message" == "$COMMIT_SOURCE" ];
then
hint=$(cat "$COMMIT_MSG_FILE")
echo -e "\n# Your commit includes staged changes that indicate an API change which requires a ChangeLog line. This info line will be ignored." > "$COMMIT_MSG_FILE"
echo "ChangeLog: " >> "$COMMIT_MSG_FILE"
echo "$hint" >> "$COMMIT_MSG_FILE"
fi
fi
exit 0
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