mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-23 19:30:05 +00:00
64 lines
1.9 KiB
Bash
64 lines
1.9 KiB
Bash
#!/bin/sh
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# Usage: version.sh <ffmpeg-root-dir> <output-version.h> <extra-version>
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# check for git short hash
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if ! test "$revision"; then
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if (cd "$1" && grep git RELEASE 2> /dev/null >/dev/null) ; then
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revision=$(cd "$1" && git describe --tags --match N 2> /dev/null)
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else
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revision=$(cd "$1" && git describe --tags --always 2> /dev/null)
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fi
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fi
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# Shallow Git clones (--depth) do not have the N tag:
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# use 'git-YYYY-MM-DD-hhhhhhh'.
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test "$revision" || revision=$(cd "$1" &&
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git log -1 --pretty=format:"git-%cd-%h" --date=short 2> /dev/null)
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# Snapshots from gitweb are in a directory called ffmpeg-hhhhhhh or
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# ffmpeg-HEAD-hhhhhhh.
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if [ -z "$revision" ]; then
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srcdir=$(cd "$1" && pwd)
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case "$srcdir" in
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*/ffmpeg-[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f])
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git_hash="${srcdir##*-}";;
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*/ffmpeg-HEAD-[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f])
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git_hash="${srcdir##*-}";;
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esac
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fi
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# no revision number found
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test "$revision" || revision=$(cd "$1" && cat RELEASE 2> /dev/null)
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# Append the Git hash if we have one
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test "$revision" && test "$git_hash" && revision="$revision-$git_hash"
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# releases extract the version number from the VERSION file
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version=$(cd "$1" && cat VERSION 2> /dev/null)
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test "$version" || version=$revision
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test -n "$3" && version=$version-$3
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if [ -z "$2" ]; then
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echo "$version"
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exit
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fi
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NEW_REVISION="#define FFMPEG_VERSION \"$version\""
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OLD_REVISION=$(cat "$2" 2> /dev/null | head -4 | tail -1)
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# String used for preprocessor guard
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GUARD=$(echo "$2" | sed 's/\//_/' | sed 's/\./_/' | tr '[:lower:]' '[:upper:]' | sed 's/LIB//')
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# Update version header only on revision changes to avoid spurious rebuilds
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if test "$NEW_REVISION" != "$OLD_REVISION"; then
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cat << EOF > "$2"
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/* Automatically generated by version.sh, do not manually edit! */
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#ifndef $GUARD
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#define $GUARD
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$NEW_REVISION
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#endif /* $GUARD */
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EOF
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fi
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