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comptime.sh 758 B
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path="."
if [ x"$1" != x ]; then
	path="$1"
fi

version() {
	cat <<EOF > "$path/comptime.h"
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// Do not edit!  This file was autogenerated
// by the $0 script with git
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//
const char* compbranch = "$1";
const char* comprevision = "$2";
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EOF
}

versiongit() {
	gitbranch="$(git rev-parse --abbrev-ref HEAD)"
	gitversion="$(git rev-parse HEAD | cut -c -8)"
	version "$gitbranch" "$gitversion";
	exit 0
}
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versionsvn() {
	svnrevision="$(svnversion -n "$1")"
	version "Subversion" "r$svnrevision";
	exit 0
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}

versionfake() {
	version "Unknown" "illegal";
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}

compversion() {
	touch "$path/comptime.c"
	versionfake
	[ -d "$path/.svn" ] && versionsvn "$@"
	[ -d "$path/../.git" ] && versiongit
	exit 1
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}

[ -f "$path/comptime.c" ] && compversion "$@"
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exit 2