| #!/bin/sh |
| |
| # check for git short hash |
| if ! test "$revision"; then |
| revision=$(cd "$1" && git describe --tags --match N 2> /dev/null) |
| fi |
| |
| # Shallow Git clones (--depth) do not have the N tag: |
| # use 'git-YYYY-MM-DD-hhhhhhh'. |
| test "$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 |
| |
| test -n "$3" && version=$version-$3 |
| |
| if [ -z "$2" ]; then |
| echo "$version" |
| exit |
| fi |
| |
| NEW_REVISION="#define FFMPEG_VERSION \"$version\"" |
| OLD_REVISION=$(cat version.h 2> /dev/null) |
| |
| # Update version.h only on revision changes to avoid spurious rebuilds |
| if test "$NEW_REVISION" != "$OLD_REVISION"; then |
| echo "$NEW_REVISION" > "$2" |
| fi |