mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
657eac048e
Shallow clones (--depth X) lack the N tag used to compute the revision number: use 'git-YYYY-MM-DD-hhhhhhh' as revision, where hhhhhhh is the short git hash. Snapshots from gitweb do not have git information at all, but they have the short git hash in the directory name: append it to the release number.
49 lines
1.4 KiB
Bash
Executable File
49 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
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# check for git short hash
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if ! test "$revision"; then
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revision=$(cd "$1" && git describe --tags --match N 2> /dev/null)
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fi
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# Shallow Git clones (--depth) do not have the N tag:
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# use 'git-YYYY-MM-DD-hhhhhhh'.
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test "$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 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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