mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-25 16:52:31 +00:00
27 lines
673 B
Bash
Executable File
27 lines
673 B
Bash
Executable File
#!/bin/sh
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# check for git short hash
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revision=$(cd "$1" && git describe --always 2> /dev/null)
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# no revision number found
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test "$revision" || revision=$(cd "$1" && cat RELEASE 2> /dev/null)
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# releases extract the version number from the VERSION file
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version=$(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 LIBAV_VERSION \"$version\""
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OLD_REVISION=$(cat "$2" 2> /dev/null)
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# Update version.h only on revision changes to avoid spurious rebuilds
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if test "$NEW_REVISION" != "$OLD_REVISION"; then
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echo "$NEW_REVISION" > "$2"
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fi
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