[ci] license-header.sh: Make it POSIX-compliant! #2579
1 changed files with 171 additions and 110 deletions
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@ -1,145 +1,206 @@
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#!/bin/sh -e
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HEADER="$(cat "$PWD/.ci/license/header.txt")"
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HEADER_HASH="$(cat "$PWD/.ci/license/header-hash.txt")"
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# SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
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# SPDX-License-Identifier: GPL-3.0-or-later
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echo "Getting branch changes"
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COPYRIGHT_YEAR="2025"
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COPYRIGHT_OWNER="Eden Emulator Project"
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COPYRIGHT_LICENSE="GPL-3.0-or-later"
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# BRANCH=`git rev-parse --abbrev-ref HEAD`
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# COMMITS=`git log ${BRANCH} --not master --pretty=format:"%h"`
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# RANGE="${COMMITS[${#COMMITS[@]}-1]}^..${COMMITS[0]}"
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# FILES=`git diff-tree --no-commit-id --name-only ${RANGE} -r`
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if [ "$1" = "--help" ] || [ "$1" = "-h" ]; then
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echo
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echo "license-header.sh: Eden License Headers Accreditation Script"
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echo
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echo "This script checks and optionally fixes license headers in source, CMake and shell script files."
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echo
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echo "Environment Variables:"
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echo " FIX=true | Automatically add the correct license headers to offending files."
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echo " UPDATE=true | Automatically update current license headers of offending files."
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echo " COMMIT=true | If FIX=true, commit the changes automatically."
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echo
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echo "Usage Examples:"
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echo " # Just check headers (will fail if headers are missing)"
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echo " .ci/license-header.sh"
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echo
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echo " # Fix headers only"
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echo " FIX=true .ci/license-header.sh"
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echo
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echo " # Update headers only"
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echo " # if COPYRIGHT_OWNER is '$COPYRIGHT_OWNER'"
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echo " # or else will have 'FIX=true' behavior)"
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echo " UPDATE=true .ci/license-header.sh"
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echo
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echo " # Fix headers and commit changes"
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echo " FIX=true COMMIT=true .ci/license-header.sh"
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echo
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echo " # Update headers and commit changes"
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echo " # if COPYRIGHT_OWNER is '$COPYRIGHT_OWNER'"
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echo " # or else will have 'FIX=true' behavior)"
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echo " UPDATE=true COMMIT=true .ci/license-header.sh"
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exit 0
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fi
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BASE=`git merge-base master HEAD`
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FILES=`git diff --name-only $BASE`
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SRC_FILES=""
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OTHER_FILES=""
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#FILES=$(git diff --name-only master)
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BASE=$(git merge-base master HEAD)
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if git diff --quiet "$BASE"..HEAD; then
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echo
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echo "license-header.sh: No commits on this branch different from master."
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exit 0
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fi
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FILES=$(git diff --name-only "$BASE")
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echo "Done"
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check_header() {
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CONTENT="`head -n3 < $1`"
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case "$CONTENT" in
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"$HEADER"*) ;;
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*) BAD_FILES="$BAD_FILES $1" ;;
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esac
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echo_header() {
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COMMENT_TYPE="$1"
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echo "$COMMENT_TYPE SPDX-FileCopyrightText: Copyright $COPYRIGHT_YEAR $COPYRIGHT_OWNER"
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echo "$COMMENT_TYPE SPDX-License-Identifier: $COPYRIGHT_LICENSE"
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}
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check_cmake_header() {
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CONTENT="`head -n3 < $1`"
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case "$CONTENT" in
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"$HEADER_HASH"*) ;;
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*)
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BAD_CMAKE="$BAD_CMAKE $1" ;;
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esac
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}
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for file in $FILES; do
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[ -f "$file" ] || continue
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if [ `basename -- "$file"` = "CMakeLists.txt" ]; then
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check_cmake_header "$file"
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case "$(basename "$file")" in
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CMakeLists.txt)
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COMMENT_TYPE="#" ;;
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*)
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EXT="${file##*.}"
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case "$EXT" in
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kts|kt|cpp|h) COMMENT_TYPE="//" ;;
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cmake|sh|ps1) COMMENT_TYPE="#" ;;
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*) continue ;;
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esac ;;
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esac
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HEADER=$(echo_header "$COMMENT_TYPE")
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HEAD_LINES=$(head -n5 "$file")
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CORRECT_COPYRIGHT=$(echo "$HEAD_LINES" | awk \
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-v line1="$(echo "$HEADER" | sed -n '1p')" \
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-v line2="$(echo "$HEADER" | sed -n '2p')" \
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'($0==line1){getline; if($0==line2){f=1}else{f=0}} END{print (f?f:0)}')
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if [ "$CORRECT_COPYRIGHT" != "1" ]; then
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case "$COMMENT_TYPE" in
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"//") SRC_FILES="$SRC_FILES $file" ;;
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"#") OTHER_FILES="$OTHER_FILES $file" ;;
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esac
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fi
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done
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if [ -z "$SRC_FILES" ] && [ -z "$OTHER_FILES" ]; then
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echo
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echo "license-header.sh: All good!"
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exit 0
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fi
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for TYPE in "SRC" "OTHER"; do
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if [ "$TYPE" = "SRC" ] && [ -n "$SRC_FILES" ]; then
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FILES_LIST="$SRC_FILES"
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COMMENT_TYPE="//"
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DESC="Source"
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elif [ "$TYPE" = "OTHER" ] && [ -n "$OTHER_FILES" ]; then
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FILES_LIST="$OTHER_FILES"
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COMMENT_TYPE="#"
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DESC="CMake and shell script"
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else
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continue
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fi
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EXTENSION="${file##*.}"
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case "$EXTENSION" in
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kts|kt|cpp|h)
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check_header "$file"
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;;
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cmake)
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check_cmake_header "$file"
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;;
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esac
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echo
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echo "------------------------------------------------------------"
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echo "$DESC files"
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echo "------------------------------------------------------------"
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echo
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echo " The following files contain incorrect license headers:"
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for file in $FILES_LIST; do
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echo " - $file"
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done
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echo
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echo " The correct license header to be added to all affected"
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echo " '$DESC' files is:"
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echo
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echo "=== BEGIN ==="
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echo_header "$COMMENT_TYPE"
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echo "=== END ==="
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done
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if [ "$BAD_FILES" = "" ] && [ "$BAD_CMAKE" = "" ]; then
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echo
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echo "All good."
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exit
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fi
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if [ "$BAD_FILES" != "" ]; then
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echo "The following source files have incorrect license headers:"
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echo
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for file in $BAD_FILES; do echo $file; done
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cat << EOF
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The following license header should be added to the start of all offending SOURCE files:
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=== BEGIN ===
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$HEADER
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=== END ===
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EOF
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fi
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if [ "$BAD_CMAKE" != "" ]; then
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echo "The following CMake files have incorrect license headers:"
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echo
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for file in $BAD_CMAKE; do echo $file; done
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cat << EOF
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The following license header should be added to the start of all offending CMake files:
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=== BEGIN ===
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$HEADER_HASH
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=== END ===
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EOF
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fi
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cat << EOF
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If some of the code in this PR is not being contributed by the original author,
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the files which have been exclusively changed by that code can be ignored.
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If this happens, this PR requirement can be bypassed once all other files are addressed.
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------------------------------------------------------------
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If some of the code in this pull request was not contributed by the original
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author, the files that have been modified exclusively by that code can be
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safely ignored. In such cases, this PR requirement may be bypassed once all
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other files have been reviewed and addressed.
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EOF
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if [ "$FIX" = "true" ]; then
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echo
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echo "FIX set to true. Fixing headers."
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TMP_DIR=$(mktemp -d /tmp/license-header.XXXXXX) || exit 1
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if [ "$FIX" = "true" ] || [ "$UPDATE" = "true" ]; then
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echo
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echo "license-header.sh: FIX set to true, fixing headers..."
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for file in $BAD_FILES; do
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cat $file > $file.bak
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for file in $SRC_FILES $OTHER_FILES; do
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BASENAME=$(basename "$file")
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cat .ci/license/header.txt > $file
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echo >> $file
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cat $file.bak >> $file
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case "$BASENAME" in
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CMakeLists.txt) COMMENT_TYPE="#" ;;
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*)
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EXT="${file##*.}"
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case "$EXT" in
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kts|kt|cpp|h) COMMENT_TYPE="//" ;;
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cmake|sh|ps1) COMMENT_TYPE="#" ;;
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*) continue ;;
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esac
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;;
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esac
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rm $file.bak
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TMP="$TMP_DIR/$BASENAME.tmp"
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UPDATED=0
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cp -p "$file" "$TMP"
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> "$TMP"
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git add $file
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# this logic is bit hacky but sed don't work well with $VARIABLES
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# it's this or complete remove this logic and keep only the old way
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if [ "$UPDATE" = "true" ]; then
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while IFS= read -r line || [ -n "$line" ]; do
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if [ "$UPDATED" -eq 0 ] && echo "$line" | grep "$COPYRIGHT_OWNER" >/dev/null 2>&1; then
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echo_header "$COMMENT_TYPE" >> "$TMP"
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IFS= read -r _ || true
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UPDATED=1
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else
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echo "$line" >> "$TMP"
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fi
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done < "$file"
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fi
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if [ "$UPDATED" -eq 0 ]; then
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{
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echo_header "$COMMENT_TYPE"
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echo
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cat "$TMP"
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} > "$file"
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else
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mv "$TMP" "$file"
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fi
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git add "$file"
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done
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for file in $BAD_CMAKE; do
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cat $file > $file.bak
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rm -rf "$TMP_DIR"
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cat .ci/license/header-hash.txt > $file
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echo >> $file
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cat $file.bak >> $file
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rm $file.bak
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git add $file
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done
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echo "License headers fixed."
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echo
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echo "license-header.sh: License headers fixed!"
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if [ "$COMMIT" = "true" ]; then
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echo
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echo "COMMIT set to true. Committing changes."
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echo "license-header.sh: COMMIT set to true, committing changes..."
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git commit -m "[license] Fix license headers [script]"
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echo
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git commit -m "Fix license headers"
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echo "Changes committed. You may now push."
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echo "license-header.sh: Changes committed. You may now push."
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fi
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else
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exit 1
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