extract travis installs from build-depends automatically

I forgot to add libgtest-dev to the list of packages to install on
travis, so this slightly hacky oneliner might prevent us from having
the same problem again if we happen to change dependencies again.

Git-Dch: Ignore

1 files changed, 4 insertions, 1 deletions

diff --git a/prepare-release b/prepare-release
index 7b7fd1224..3c81a21cb 100755
--- a/prepare-release
+++ b/prepare-release
@@ -2,7 +2,6 @@
 set -e
 
 cd "$(readlink -f $(dirname $0))"
-dpkg-checkbuilddeps -d 'libxml2-utils'
 
 if [ -n "${GBP_BUILD_DIR}" ]; then
    cd "$GBP_BUILD_DIR"
@@ -68,6 +67,8 @@ elif [ "$1" = 'post-build' ]; then
 		echo >&2 'REMEMBER: Change to a valid distribution before release'
 	fi
 
+	dpkg-checkbuilddeps -d 'libxml2-utils'
+
 	# check the manpages with each vendor for vendor-specific errors…
 	find vendor -mindepth 1 -maxdepth 1 -type d | cut -d'/' -f 2 | while read DISTRO; do
 		ln -sf ../vendor/${DISTRO}/apt-vendor.ent doc
@@ -102,6 +103,8 @@ elif [ "$1" = 'buildlog' ]; then
 		librarysymbolsfromfile "$2"
 		shift
 	done
+elif [ "$1" = 'travis-ci' ]; then
+	apt-get install -q --no-install-recommends $(sed -n -e '/^Build-Depends: /,/^Build-Depends-Indep: / {p}' debian/control | sed -e 's#([^)]*)##g' -e 's#^Build-Depends\(-Indep\)\?: ##' | tr -d ',')
 else
 	echo >&1 "Usage:\t$0 pre-export
 \t$0 post-build