setlocalversion 1.45 KB
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#!/bin/sh
# Print additional version information for non-release trees.
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usage() {
	echo "Usage: $0 [srctree]" >&2
	exit 1
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}

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cd "${1:-.}" || usage
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# Check for git and a git repo.
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if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then
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	# Do we have an untagged tag?
	if atag=`git describe 2>/dev/null`; then
		echo "$atag" | awk -F- '{printf("-%05d-%s", $(NF-1),$(NF))}'
	# add -g${head}, if there is no usable tag
	else
		printf '%s%s' -g $head
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	fi
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	# Is this git on svn?
	if git config --get svn-remote.svn.url >/dev/null; then
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	        printf -- '-svn%s' "`git svn find-rev $head`"
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	fi

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	# Are there uncommitted changes?
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	git update-index --refresh --unmerged > /dev/null
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	if git diff-index --name-only HEAD | grep -v "^scripts/package" \
	    | read dummy; then
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		printf '%s' -dirty
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	fi
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	# All done with git
	exit
fi

# Check for mercurial and a mercurial repo.
if hgid=`hg id 2>/dev/null`; then
	tag=`printf '%s' "$hgid" | cut -d' ' -f2`

	# Do we have an untagged version?
	if [ -z "$tag" -o "$tag" = tip ]; then
		id=`printf '%s' "$hgid" | sed 's/[+ ].*//'`
		printf '%s%s' -hg "$id"
	fi

	# Are there uncommitted changes?
	# These are represented by + after the changeset id.
	case "$hgid" in
		*+|*+\ *) printf '%s' -dirty ;;
	esac

	# All done with mercurial
	exit
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fi
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# Check for svn and a svn repo.
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if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then
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	rev=`echo $rev | awk '{print $NF}'`
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	printf -- '-svn%s' "$rev"
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	# All done with svn
	exit
fi