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|
#!/bin/bash -e
SPDX_LICENSE_ID=GPL-3.0-only
print_usage()
{
cat << EOF
Usage: $(basename $0) <command> [<file>...]
Tool to check/add standard headers in C files.
Commands:
check Check if source files have a standard header.
add If standard header is missing, add it.
EOF
}
git_is_tracked()
{
local file="$1"
# Fill list of tracked files only once
if [ $GIT_TRACKED_FILLED -eq 0 ]; then
GIT_TRACKED="$(git ls-files)"
GIT_TRACKED_FILLED=1
#echo "--------"
#echo "$GIT_TRACKED"
#echo "--------"
fi
# Remove leading './' from filename if any
file="$(echo $file | sed 's:^\.\/::')"
echo "$GIT_TRACKED" | grep -q "$file"
}
unit_name()
{
echo "Goodvibes Radio Player"
}
do_check()
{
local file="$1"
local unit="$(unit_name "$file")"
head -n 4 "$file" | tr -d '\n' | \
grep -q -F "/* * $unit * * Copyright (C)"
}
do_add()
{
local file="$1"
local unit="$(unit_name "$file")"
cat << EOF > "$file.tmp"
/*
* $unit
*
* Copyright (C) $(date +%Y) $(git config user.name)
*
* SPDX-License-Identifier: ${SPDX_LICENSE_ID:?}
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
$(cat $file)
EOF
mv "$file.tmp" "$file"
}
# Check for help arguments
[ "$1" == "-h" -o "$1" == "--help" ] && \
{ print_usage; exit 0; }
# Check for proper usage
[ $# -lt 1 ] && \
{ print_usage; exit 1; }
# Ensure we're in the right directory
[ -d "src" ] || \
{ echo >&2 "Please run from root directory"; exit 1; }
# File list
if [ $# -eq 1 ]; then
filestmp=$(find src -name \*.[ch])
files=""
for file in $filestmp; do
if ! git_is_tracked $file; then
continue
fi
files+="$file\n"
done
else
files="${@:2}"
fi
# Do the job
case $1 in
check)
for f in $files; do
if ! do_check $f; then
echo "'$f': no standard header found."
fi
done
;;
add)
for f in $files; do
if do_check $f; then
continue;
fi
echo "'$f': adding standard header."
do_add $f
done
;;
*)
print_usage
exit 1
;;
esac
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