[PATCH v1 06/18] resources: dependencies: pureos: switch to install_packages.

[Denis 'GNUtoo' Carikli]

The goal is to minimize the difference with the
resources/dependencies/trisquel script.

Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@cyberdimension.org>
---
 resources/dependencies/pureos-10 | 54 +++++++++++++++++++++-----------
 1 file changed, 35 insertions(+), 19 deletions(-)

diff --git a/resources/dependencies/pureos-10 b/resources/dependencies/pureos-10
index 477336be..972fb87a 100755
--- a/resources/dependencies/pureos-10
+++ b/resources/dependencies/pureos-10
@@ -26,6 +26,18 @@
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
 
+to_install=""
+install_packages()
+{
+    for package in $@ ; do
+        if dpkg -l "${package}" | grep "^ii" 2>&1>/dev/null ; then
+            continue
+        else
+            to_install="${to_install} ${package}"
+        fi
+    done
+}
+
 if [ $EUID -ne 0 ]; then
    printf "This script must be run as root\n" 
    exit 1
@@ -36,80 +48,84 @@ fi
 # This is so that they can moved to separate scripts.
 #
 
-apt install -y --allow-reinstall install wget
+install_packages wget
 
 # For downloading source code
 # ------------------------------------------------------------
 
-apt install -y --allow-reinstall install git
+install_packages git
 
 # For Tianocore and iPXE
 # TODO: check whether this is the full list
 
-apt install -y --allow-reinstall install uuid-dev nasm
+install_packages uuid-dev nasm
 
 # For building source code:
 # ------------------------------------------------------------
 
-apt install -y --allow-reinstall install build-essential
+install_packages build-essential
 
 # for running the crostool script (to get mrc.bin file for t440p)
-apt install -y --allow-reinstall install sharutils curl parted e2fsprogs unzip
+install_packages sharutils curl parted e2fsprogs unzip
 
 # to use the right software versions and links for compiling 
-apt install -y --allow-reinstall install pkg-config
+install_packages pkg-config
 
 # for cross-compiling ARM binaries
-apt install -y --allow-reinstall install gcc-arm-linux-gnueabi
+install_packages gcc-arm-linux-gnueabi
 
 [ "$(uname -i)" = x86_64 ] || [ "$(uname -m)" = x86_64 ]
 arch=${?}
 
 # For cross-compiling i686 target on x86_64 host.
 if [ "${arch}" -eq 0 ];        then
-       apt install -y --allow-reinstall install gcc-multilib libc6-i386 
libc6-dev-i386
-       apt install -y --allow-reinstall install lib32stdc++6 g++-multilib 
dh-autoreconf
+       install_packages gcc-multilib libc6-i386 libc6-dev-i386
+       install_packages lib32stdc++6 g++-multilib dh-autoreconf
 fi
 
 # Memtest86+ build dependencies
 # ------------------------------------------------------------
 
-apt install -y --allow-reinstall install build-essential python2.7 
python-is-python3
+install_packages build-essential python2.7 python-is-python3
 
 # i945-pwm build dependencies
 # ------------------------------------------------------------
 
-apt install -y --allow-reinstall install build-essential perl
+install_packages build-essential perl
 
 # Coreboot build dependencies (also requires build-essential and git)
 # ------------------------------------------------------------
 
-apt install -y --allow-reinstall install libncurses5-dev doxygen acpica-tools 
gdb flex bison build-essential git libssl-dev gnat
+install_packages libncurses5-dev doxygen acpica-tools gdb flex bison 
build-essential git libssl-dev gnat
 
 # GRUB build dependencies (also requires build-essential, bison and flex)
 # ------------------------------------------------------------
 
-apt install -y --allow-reinstall install fonts-unifont libopts25 
libselinux1-dev autogen m4 autoconf help2man libopts25-dev 
libfont-freetype-perl automake autotools-dev build-essential bison flex 
libfuse-dev liblzma-dev gawk libdevmapper-dev libtool-bin libfreetype6-dev
+install_packages fonts-unifont libopts25 libselinux1-dev autogen m4 autoconf 
help2man libopts25-dev libfont-freetype-perl automake autotools-dev 
build-essential bison flex libfuse-dev liblzma-dev gawk libdevmapper-dev 
libtool-bin libfreetype6-dev
 
 # BucTS build dependencies (external script)
 # ------------------------------------------------------------
 
-apt install -y --allow-reinstall install build-essential
+install_packages build-essential
 
 # Flashrom build dependencies (also requires build-essential)
 # ------------------------------------------------------------
 
-apt install -y --allow-reinstall install libpci-dev pciutils zlib1g-dev 
libftdi-dev build-essential libusb-1.0-0-dev libusb-1.0-0
+install_packages libpci-dev pciutils zlib1g-dev libftdi-dev build-essential 
libusb-1.0-0-dev libusb-1.0-0
 
 # For cross-compiling i686 target on x86_64 host.
-[ "${arch}" -eq 0 ] && apt install -y --allow-reinstall install lib32z1-dev
+[ "${arch}" -eq 0 ] && install_packages lib32z1-dev
 
 # For running make check
 # ----------------------
-apt install -y --allow-reinstall install shellcheck # lint
-apt install -y --allow-reinstall install gawk git grep lzip make sed tar 
xz-utils # u-boot-libre
+install_packages shellcheck # lint
+install_packages gawk git grep lzip make sed tar xz-utils # u-boot-libre
 
 # For building the website tarball
-apt install -y --allow-reinstall install \
+install_packages \
       graphviz \
       pandoc
+
+if [ -n "${to_install}" ] ; then
+    apt install -y ${to_install}
+fi
-- 
2.46.0