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#!/bin/sh |
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# |
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# addlicense -- a script to insert license comments automatically |
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# |
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# This script is part of OSN Commons. Copyright (C) 2024 OSN Developers. |
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# |
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# OSN Commons is free software: you can redistribute it and/or modify it |
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# under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# OSN Commons is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with OSN Commons. If not, see <https://www.gnu.org/licenses/>. |
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# |
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|
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me=$0 |
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canonical_name=$(echo $me | rev | cut -d'/' -f1 | rev) |
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|
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if [ $(echo $me | cut -c1) = "/" ]; then |
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me=$canonical_name |
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fi |
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|
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version="1.0.0" |
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|
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usage() { |
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echo "Usage: $me [options...] [[directory...] | [-]]" |
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echo "Automatically insert license comments to the project's " |
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echo "source files." |
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echo "" |
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echo "Options:" |
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echo " -e, --exclude Add an exclusion pattern" |
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echo " -i, --include Add an inclusion pattern" |
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echo " -E, --exclude-file Exclude a file path" |
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echo " -I, --include-file Include a file path" |
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echo " -h, --help Show this help and exit" |
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echo " -v, --version Show version info and exit" |
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echo " -f, --file Specify a file containing the license" |
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echo " notice to insert" |
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echo "" |
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echo "Bug reports and general questions should be sent to " |
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echo "<[email protected]>." |
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exit 0 |
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} |
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|
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show_version() { |
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echo "$canonical_name (OSN Commons) v$version" |
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echo "" |
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echo "Copyright (C) 2024 OSN Developers." |
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echo "License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>." |
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echo "This is free software: you are free to change and redistribute it." |
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echo "There is NO WARRANTY, to the extent permitted by law." |
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echo "" |
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echo "Written by Ar Rakin." |
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exit 0 |
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} |
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|
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trim_string() { |
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echo "$1" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' |
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} |
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|
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targets="" |
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exclpats="" |
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inclpats="" |
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exclfiles="" |
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inclfiles="" |
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license_notice_file="" |
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license_notice="/* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <https://www.gnu.org/licenses/>. |
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*/" |
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stdin_read="" |
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|
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while [ $# -gt 0 ]; do |
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case "$1" in |
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-h | --help) |
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usage |
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;; |
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|
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-v | --version) |
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show_version |
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;; |
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|
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-e | --exclude) |
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if [ -z "$2" ]; then |
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echo "$me: option requires an argument -- '$1'" >&2 |
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echo "Try '$me --help' for more detailed information." >&2 |
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exit 2 |
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fi |
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|
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if [ "$2" != "$(echo "$2" | tr -d ':')" ]; then |
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echo "$me: exclusion patterns must not contain colons (':')" >&2 |
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exit 2 |
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fi |
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|
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if [ -z "$exclpats" ]; then |
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exclpats="$2" |
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else |
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exclpats="$exclpats:$2" |
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fi |
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|
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shift |
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;; |
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|
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-i | --include) |
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if [ -z "$2" ]; then |
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echo "$me: option requires an argument -- '$1'" >&2 |
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echo "Try '$me --help' for more detailed information." >&2 |
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exit 2 |
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fi |
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|
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if [ "$2" != "$(echo "$2" | tr -d ':')" ]; then |
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echo "$me: inclusion patterns must not contain colons (':')" >&2 |
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exit 2 |
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fi |
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|
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if [ -z "$inclpats" ]; then |
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inclpats="$2" |
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else |
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inclpats="$inclpats:$2" |
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fi |
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|
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shift |
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;; |
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|
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-E | --exclude-file) |
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if [ -z "$2" ]; then |
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echo "$me: option requires an argument -- '$1'" >&2 |
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echo "Try '$me --help' for more detailed information." >&2 |
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exit 2 |
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fi |
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|
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if [ "$2" != "$(echo "$2" | tr -d ':')" ]; then |
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echo "$me: file paths must not contain colons (':')" >&2 |
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exit 2 |
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fi |
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|
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if [ ! -f "$2" ]; then |
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echo "$me: $2: No such file or directory" >&2 |
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exit 2 |
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fi |
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|
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file=$(readlink -f "$2") |
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|
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if [ $? -ne 0 ]; then |
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echo "$me: $2: Ignoring" >&2 |
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else |
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if [ -z "$exclfiles" ]; then |
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exclfiles="$file" |
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else |
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exclfiles="$exclfiles:$file" |
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fi |
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fi |
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|
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shift |
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;; |
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|
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-I | --include-file) |
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if [ -z "$2" ]; then |
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echo "$me: option requires an argument -- '$1'" >&2 |
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echo "Try '$me --help' for more detailed information." >&2 |
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exit 2 |
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fi |
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|
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if [ "$2" != "$(echo "$2" | tr -d ':')" ]; then |
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echo "$me: file paths must not contain colons (':')" >&2 |
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exit 2 |
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fi |
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|
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if [ ! -f "$2" ]; then |
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echo "$me: $2: No such file or directory" >&2 |
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exit 2 |
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fi |
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|
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file=$(readlink -f "$2") |
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|
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if [ $? -ne 0 ]; then |
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echo "$me: $2: Ignoring" >&2 |
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else |
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if [ -z "$inclfiles" ]; then |
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inclfiles="$file" |
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else |
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inclfiles="$inclfiles:$file" |
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fi |
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fi |
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|
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shift |
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;; |
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|
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-f | --file) |
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if [ -z "$2" ]; then |
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echo "$me: option requires an argument -- '$1'" >&2 |
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echo "Try '$me --help' for more detailed information." >&2 |
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exit 2 |
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fi |
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|
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if [ "$2" = "-" ]; then |
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if [ -t 0 ]; then |
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echo "$me: nothing to read from standard input" >&2 |
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exit 2 |
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fi |
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|
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if [ ! -z "$stdin_read" ] && [ "$stdin_read" != "notice" ]; then |
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echo "$me: multiple options are being directed to standard input" >&2 |
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exit 2 |
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fi |
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license_notice="$(cat)" |
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stdin_read="notice" |
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else |
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if [ ! -f "$2" ]; then |
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echo "$me: $2: No such file or directory" >&2 |
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exit 2 |
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fi |
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|
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license_notice_file="$2" |
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license_notice=$(cat $2) |
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fi |
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|
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shift |
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;; |
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|
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-) |
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if [ -t 0 ]; then |
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echo "$me: nothing to read from standard input" >&2 |
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exit 2 |
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fi |
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|
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if [ ! -z "$stdin_read" ] && [ "$stdin_read" != "targets" ]; then |
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echo "$me: multiple options are being directed to standard input" >&2 |
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exit 2 |
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fi |
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while IFS='' read -r line; do |
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if [ "$line" != "$(echo "$line" | tr -d ':')" ] || [ -z "$line" ]; then |
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echo "$me: target paths must not contain colons (':')" >&2 |
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exit 2 |
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fi |
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|
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if [ -z "$targets" ]; then |
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targets="$line" |
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else |
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targets="$targets:$line" |
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fi |
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done |
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stdin_read="targets" |
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;; |
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|
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-*) |
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echo "$me: Invalid option -- '$1'" >&2 |
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echo "Try '$me --help' for more detailed information." >&2 |
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exit 2 |
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;; |
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|
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*) |
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if [ "$1" != "$(echo "$1" | tr -d ':')" ] || [ -z "$1" ]; then |
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echo "$me: target paths must not contain colons (':')" >&2 |
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exit 2 |
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fi |
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|
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if [ -z "$targets" ]; then |
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targets="$1" |
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else |
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targets="$targets:$1" |
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fi |
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;; |
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esac |
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|
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shift |
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done |
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|
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if [ -z "$targets" ]; then |
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echo "$me: No target operands specified" >&2 |
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echo "Try '$me --help' for more detailed information" >&2 |
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exit 2 |
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fi |
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|
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success=0 |
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|
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insert_license() { |
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set -e |
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local file=$1 |
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local tmpfile=$(mktemp) |
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|
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echo "$license_notice" >$tmpfile |
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echo "" >>$tmpfile |
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cat $file >>$tmpfile |
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mv $tmpfile $file |
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set +e |
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} |
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|
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process_files() { |
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echo "$targets" | while IFS=':' read -r target; do |
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local stat_out=$(stat "$target" 2>&1) |
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|
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if [ $? -ne 0 ]; then |
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echo "$me: $(echo $stat_out | cut -c 7-)" >&2 |
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continue |
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fi |
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|
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echo "$me: scanning: $target" |
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local find_cmd="find '$target' -type f ! -path \"*/*~\" \ |
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! -path \"*/.git/*\" ! -path \"*/.svn/*\" \ |
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! -path \"*/.hg/*\" ! -path \"*/CVS/*\" \ |
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! -path \"*/.bzr/*\" ! -path \"$me\"" |
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|
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if [ ! -z "$exclpats" ]; then |
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local ifs="$IFS" |
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|
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IFS=":" |
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|
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for exclpat in $exclpats; do |
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find_cmd="$find_cmd ! -path \"$exclpat\"" |
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done |
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|
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IFS="$ifs" |
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fi |
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|
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if [ ! -z "$inclpats" ]; then |
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local ifs="$IFS" |
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|
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IFS=":" |
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|
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for inclpat in $inclpats; do |
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find_cmd="$find_cmd -path \"$inclpat\"" |
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done |
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|
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IFS="$ifs" |
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fi |
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|
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local files=$(eval $find_cmd) |
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|
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if [ -z "$files" ]; then |
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echo "$me: no files found" >&2 |
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continue |
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fi |
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|
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local r_license_notice_file |
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|
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if [ ! -z "$license_notice_file" ]; then |
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r_license_notice_file=$(readlink -f "$license_notice_file") |
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fi |
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|
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for file in $files; do |
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local rpath=$(readlink -f "$file") |
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|
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if [ ! -z "$license_notice_file" ] && [ "$rpath" = "$r_license_notice_file" ]; then |
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continue |
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fi |
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|
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if [ ! -z "$exclfiles" ]; then |
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local ifs="$IFS" |
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|
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IFS=":" |
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|
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for exclfile in $exclfiles; do |
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if [ "$rpath" = "$exclfile" ]; then |
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continue 2 |
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fi |
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done |
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|
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IFS="$ifs" |
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fi |
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|
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if [ ! -z "$inclfiles" ]; then |
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local ifs="$IFS" |
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|
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IFS=":" |
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|
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for inclfile in $inclfiles; do |
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if [ "$rpath" = "$inclfile" ]; then |
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break |
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fi |
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done |
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|
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if [ "$rpath" != "$inclfile" ]; then |
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continue |
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fi |
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|
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IFS="$ifs" |
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fi |
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|
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if file "$file" | grep -Eq 'binary|ELF|executable|data'; then |
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echo "$me: skipping binary file: $file" |
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continue |
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fi |
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|
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local license_notice_size=$(echo "$license_notice" | wc -c) |
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local part=$(sed ':a; /^$/d; $!{N; ba}; s/^[[:space:]]*//' $file | head -c $license_notice_size) |
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|
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if [ "$license_notice" = "$part" ]; then |
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echo "$me: license notice already present in: $file" |
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success=1 |
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continue |
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fi |
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|
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echo "$me: inserting license comment to: $file" |
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insert_license $file |
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done |
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|
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success=1 |
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done |
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} |
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|
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process_files |
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|
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if [ $success -ne 1 ]; then |
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exit 1 |
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fi |
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