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- #!/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
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