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