mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-11 01:25:25 +00:00
46 lines
1.3 KiB
Bash
Executable File
46 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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# check for SVN revision number
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revision=$(cd "$1" && cat snapshot_version 2> /dev/null)
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test "$revision" || revision=$(cd "$1" && LC_ALL=C svn info 2> /dev/null | grep "Last Changed Rev" | cut -d' ' -f4)
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test "$revision" || revision=$(cd "$1" && grep committed-rev .svn/entries 2>/dev/null | head -n 1 | cut -d '"' -f2)
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test "$revision" || revision=$(cd "$1" && sed -n -e '/^dir$/{n
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p
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q
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}' .svn/entries 2>/dev/null)
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test "$revision" && revision=SVN-r$revision
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# check for git svn revision number
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if ! test "$revision"; then
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revision=$(cd "$1" && git svn find-rev HEAD 2> /dev/null)
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test "$revision" && revision=git-svn-r$revision
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fi
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# check for git short hash
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if ! test "$revision"; then
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revision=$(cd "$1" && git describe --always 2> /dev/null)
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test "$revision" && revision=git-$revision
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fi
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# no revision number found
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test "$revision" || revision=UNKNOWN
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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 version.h 2> /dev/null)
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# Update version.h only on revision changes to avoid spurious rebuilds
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if test "$NEW_REVISION" != "$OLD_REVISION"; then
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echo "$NEW_REVISION" > "$2"
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fi
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