diff options
Diffstat (limited to 'version.sh')
| -rwxr-xr-x | version.sh | 46 |
1 files changed, 41 insertions, 5 deletions
diff --git a/version.sh b/version.sh index 6f72b2c2e6..f9754eb3cf 100755 --- a/version.sh +++ b/version.sh @@ -1,11 +1,39 @@ #!/bin/sh +# Usage: version.sh <ffmpeg-root-dir> <output-version.h> <extra-version> + # check for git short hash -revision=$(cd "$1" && git describe --always 2> /dev/null) +if ! test "$revision"; then + if (cd "$1" && grep git RELEASE 2> /dev/null >/dev/null) ; then + revision=$(cd "$1" && git describe --tags --match N 2> /dev/null) + else + revision=$(cd "$1" && git describe --tags --always 2> /dev/null) + fi +fi + +# Shallow Git clones (--depth) do not have the N tag: +# use 'git-YYYY-MM-DD-hhhhhhh'. +test "$revision" || revision=$(cd "$1" && + git log -1 --pretty=format:"git-%cd-%h" --date=short 2> /dev/null) + +# Snapshots from gitweb are in a directory called ffmpeg-hhhhhhh or +# ffmpeg-HEAD-hhhhhhh. +if [ -z "$revision" ]; then + srcdir=$(cd "$1" && pwd) + case "$srcdir" in + */ffmpeg-[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]) + git_hash="${srcdir##*-}";; + */ffmpeg-HEAD-[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]) + git_hash="${srcdir##*-}";; + esac +fi # no revision number found test "$revision" || revision=$(cd "$1" && cat RELEASE 2> /dev/null) +# Append the Git hash if we have one +test "$revision" && test "$git_hash" && revision="$revision-$git_hash" + # releases extract the version number from the VERSION file version=$(cd "$1" && cat VERSION 2> /dev/null) test "$version" || version=$revision @@ -17,10 +45,18 @@ if [ -z "$2" ]; then exit fi -NEW_REVISION="#define LIBAV_VERSION \"$version\"" -OLD_REVISION=$(cat version.h 2> /dev/null) +NEW_REVISION="#define FFMPEG_VERSION \"$version\"" +OLD_REVISION=$(cat "$2" 2> /dev/null | head -3 | tail -1) + +# String used for preprocessor guard +GUARD=$(echo "$2" | sed 's/\//_/' | sed 's/\./_/' | tr '[:lower:]' '[:upper:]' | sed 's/LIB//') -# Update version.h only on revision changes to avoid spurious rebuilds +# Update version header only on revision changes to avoid spurious rebuilds if test "$NEW_REVISION" != "$OLD_REVISION"; then - echo "$NEW_REVISION" > "$2" + cat << EOF > "$2" +#ifndef $GUARD +#define $GUARD +$NEW_REVISION +#endif /* $GUARD */ +EOF fi |