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https://github.com/mudita/MuditaOS.git
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0271219d6d
* added ignore paths * clang-format lookup for clang-format and clang-format-9 * and fixed lookup for arch
94 lines
3.0 KiB
Bash
Executable File
94 lines
3.0 KiB
Bash
Executable File
#!/bin/bash -e
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# taken from: https://raw.githubusercontent.com/andrewseidl/githook-clang-format/master/clang-format.hook
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# - with just added check for cpp file & check for proper version of clang-format
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# - with use of clang-format diff.py - for changed chunk changes only
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# might be worth to consider: https://github.com/Sarcasm/run-clang-format
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set -o pipefail
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L_GIT_DIR=$(git rev-parse --show-toplevel)
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source $L_GIT_DIR/config/format-config.sh
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# if autoformatting was disabled by user - then ignore this commit hook
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if [[ $DISABLE_AUTO_FORMATTING ]]; then
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exit 0
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fi
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# check if clang-format in path is in proper version, version is 3rd column in `clang-format --version`
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CVER=$( [[ $(which clang-format) ]] && echo $(clang-format --version | cut -d ' ' -f 3 | cut -d '.' -f 1) || echo "0")
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# check for either clang-format or clang-format-9
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if [[ $CVER -lt 9 && ! $(which clang-format-9) ]]; then
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cat << EOF > 1
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Either install:
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clang-format in at least version 9 and set as default"
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or
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clang-format-9
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Your clang format version in path used:
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$(clang-format --version)
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$(clang-format-9 --version)
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git commit aborted"
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EOF
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exit 1
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fi
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get_clang_format_script() {
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local declare searchpaths=(
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$(which "clang-format-diff.py") # clang-format-diff in path
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"/usr/share/clang/clang-format-9/clang-format-diff.py" # clang-format-diff location for clang format 9 Ubuntu/Debian 18.04
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"/usr/share/clang/clang-format-${CVER}/clang-format-diff.py" # clang-format-diff location on Ubuntu/Debian
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"/usr/share/clang/clang-format-diff.py" # clang-format_diff location on Arch last resort
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)
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local tool=""
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for el in ${searchpaths[@]}; do
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if [[ -f ${el} ]]; then
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tool=${el}
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break
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fi
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done
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if [[ ${tool} == "" ]]; then
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echo clang-format-diff not found in path and: ${sarchpaths[@]} >2
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fi
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echo "${tool}"
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}
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L_CLANG_DIFF_TOOL=$(get_clang_format_script)
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if ! [[ $L_CLANG_DIFF_TOOL ]] || [[ $L_CLANG_DIFF_TOOL == "" ]]; then
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exit 1
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fi
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format_file() {
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file="${1}"
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if [ -f $file ]; then
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[[ $VERBOSE ]] && echo "Format: ${1} diff"
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git diff -U0 --no-color --cached ${1} | ${L_CLANG_DIFF_TOOL} -p1 -i
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git add ${1}
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fi
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}
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# bash function using above config function
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shouldnt_ignore() {
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# change full name path to path relative to root git dir
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local fname=${1/"$L_GIT_DIR"/"./"}
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for el in ${ignore_paths[@]}; do
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if [[ ./${fname} =~ ^${el}.* ]]; then
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[[ $VERBOSE ]] && echo "Ignore: ${fname} formatting due to: $el match!"
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return 1
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fi
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done
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return 0
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}
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case "${1}" in
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--about )
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echo "Runs clang-format on source files"
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;;
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* )
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for file in `git diff-index --cached --name-only HEAD` ; do
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if [[ ${file} =~ ^.*\.(cpp|hpp|c|h|cxx|gcc|cc)$ ]] && shouldnt_ignore ${file}; then
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format_file "${file}"
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fi
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done
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;;
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esac
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