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#!/bin/bash
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# Script to identify trivial new headers for new sources added
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# Requires: bash, coreutils, tar, xz
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# Author: Neal Gompa <ngompa@fedoraproject.org>
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#
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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 <http://www.gnu.org/licenses/>.
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FFMPEG_VERSION=$1
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FF_SRC_DIFF=$2
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if [ -z $1 -o -z $2 ]; then
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echo "No arguments provided, quitting!"
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exit 1
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fi
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echo "Setting up..."
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# Get local directory
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LOCALDIR=$(realpath $(dirname $0))
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# Create working area
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TMPDIR=$(mktemp -d /tmp/ffsrchdrsXXXXXX)
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mkdir -pv $TMPDIR
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# Extract ffmpeg sources
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if [ ! -f "ffmpeg-${FFMPEG_VERSION}.tar.xz" ]; then
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echo "No ffmpeg tarball, exiting!"
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exit 2
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fi
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if [ ! -f "$FF_SRC_DIFF" ]; then
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echo "No ffmpeg sources diff, exiting!"
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exit 2
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fi
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echo "Extracting upstream ffmpeg sources..."
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tar -C ${TMPDIR} -xf ffmpeg-${FFMPEG_VERSION}.tar.xz
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echo "Generating header list from diff..."
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# Read in ffmpeg_free_sources diff
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while IFS= read -r line
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do
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if [[ $line = \+* ]]; then
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ffmpeg_src_file="${line:1}"
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if [ -f "${TMPDIR}/ffmpeg-${FFMPEG_VERSION}/${ffmpeg_src_file}" ]; then
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ffmpeg_hdr_file="${ffmpeg_src_file%.c}.h"
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[ -f "${TMPDIR}/ffmpeg-${FFMPEG_VERSION}/${ffmpeg_hdr_file}" ] && echo "${ffmpeg_hdr_file}" >> ${LOCALDIR}/ffmpeg_free_sources
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ffmpeg_hdr_file="${ffmpeg_src_file%.c}_cb.h"
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[ -f "${TMPDIR}/ffmpeg-${FFMPEG_VERSION}/${ffmpeg_hdr_file}" ] && echo "${ffmpeg_hdr_file}" >> ${LOCALDIR}/ffmpeg_free_sources
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ffmpeg_hdr_file="${ffmpeg_src_file%.c}data.h"
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[ -f "${TMPDIR}/ffmpeg-${FFMPEG_VERSION}/${ffmpeg_hdr_file}" ] && echo "${ffmpeg_hdr_file}" >> ${LOCALDIR}/ffmpeg_free_sources
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ffmpeg_hdr_file="${ffmpeg_src_file%.c}_data.h"
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[ -f "${TMPDIR}/ffmpeg-${FFMPEG_VERSION}/${ffmpeg_hdr_file}" ] && echo "${ffmpeg_hdr_file}" >> ${LOCALDIR}/ffmpeg_free_sources
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ffmpeg_hdr_file="${ffmpeg_src_file%.c}_tablegen.h"
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[ -f "${TMPDIR}/ffmpeg-${FFMPEG_VERSION}/${ffmpeg_hdr_file}" ] && echo "${ffmpeg_hdr_file}" >> ${LOCALDIR}/ffmpeg_free_sources
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fi
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fi
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done < <(cat $FF_SRC_DIFF)
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# Clean up
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echo "Clean up workspace..."
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rm -rf ${TMPDIR}
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