/usr/share/svn-buildpackage/contrib/dpkg-getbdeps is in svn-buildpackage 0.8.6.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | #!/bin/sh
## first variant
PACKS=$(dpkg-checkbuilddeps 2>&1 | sed -e 's/.*dependencies://g' -e 's/(\s*\(>|<|=\)*\s*[^)]*)//g' -e 's/\[\s*[^\]]\]//')
## variant suggested by Sam Hocevar
#PACKS=$(dpkg-checkbuilddeps 2>&1 | sed 's/\(.*:\|([^)]*)\)//g')
[ -z "$PACKS" ] || apt-get --no-install-recommends install $PACKS
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