| #!/bin/bash | |
| # Creates and updates the package_version information used by configure.ac | |
| # (or other makefiles). When run inside a git repository it will use the | |
| # version information that can be queried from it unless AUTO_UPDATE is set | |
| # to 'no'. If no version is currently known it will be set to 'unknown'. | |
| # | |
| # If called with the argument 'release', the PACKAGE_VERSION will be updated | |
| # even if AUTO_UPDATE=no, but the value of AUTO_UPDATE shall be preserved. | |
| # This is used to force a version update whenever `make dist` is run. | |
| # | |
| # The exit status is 1 if package_version is not modified, else 0 is returned. | |
| # | |
| # This script should NOT be included in distributed tarballs, because if a | |
| # parent directory contains a git repository we do not want to accidentally | |
| # retrieve the version information from it instead. Tarballs should ship | |
| # with only the package_version file. | |
| # | |
| # Ron <ron@debian.org>, 2012. | |
| SRCDIR=$(dirname $0) | |
| if [ -e "$SRCDIR/package_version" ]; then | |
| . "$SRCDIR/package_version" | |
| fi | |
| if [ "$AUTO_UPDATE" = no ]; then | |
| [ "$1" = release ] || exit 1 | |
| else | |
| AUTO_UPDATE=yes | |
| fi | |
| # We run `git status` before describe here to ensure that we don't get a false | |
| # -dirty from files that have been touched but are not actually altered in the | |
| # working dir. | |
| GIT_VERSION=$(cd "$SRCDIR" && git status > /dev/null 2>&1 \ | |
| && git describe --tags --match 'v*' --dirty 2> /dev/null) | |
| GIT_VERSION=${GIT_VERSION#v} | |
| if [ -n "$GIT_VERSION" ]; then | |
| [ "$GIT_VERSION" != "$PACKAGE_VERSION" ] || exit 1 | |
| PACKAGE_VERSION="$GIT_VERSION" | |
| elif [ -z "$PACKAGE_VERSION" ]; then | |
| # No current package_version and no git ... | |
| # We really shouldn't ever get here, because this script should only be | |
| # included in the git repository, and should usually be export-ignored. | |
| PACKAGE_VERSION="unknown" | |
| else | |
| exit 1 | |
| fi | |
| cat > "$SRCDIR/package_version" <<-EOF | |
| # Automatically generated by update_version. | |
| # This file may be sourced into a shell script or makefile. | |
| # Set this to 'no' if you do not wish the version information | |
| # to be checked and updated for every build. Most people will | |
| # never want to change this, it is an option for developers | |
| # making frequent changes that they know will not be released. | |
| AUTO_UPDATE=$AUTO_UPDATE | |
| PACKAGE_VERSION="$PACKAGE_VERSION" | |
| EOF | |