Add install-bin element

The various distro elements include a copy of this script which installs
all files in the bin/ dir of the copied element hooks in to
/usr/local/bin. Lets share code rather than repeating ourselves.

Change-Id: I354382f8c42ede2e9b8c548b7df8367c03e6836e

elements/dpkg/element-deps

@@ -1,2 +1,3 @@
+install-bin
 manifests
 package-installs

elements/gentoo/element-deps

@@ -1,3 +1,4 @@
 cache-url
 dib-run-parts
+install-bin
 package-installs

elements/gentoo/pre-install.d/02-gentoo-migrate-pax

@@ -6,8 +6,6 @@ fi
 set -eu
 set -o pipefail
 
-install -m 0755 -o root -g root $(dirname $0)/../bin/* /usr/local/bin
-
 # migrate pt_pax flags to xt_pax
 if [[ -a /usr/sbin/migrate-pax ]]; then
     /usr/sbin/migrate-pax -m

elements/install-bin/README.rst

@@ -0,0 +1,6 @@
+===========
+install-bin
+===========
+
+Add any files in an element's bin directory to /usr/local/bin in the created
+image with permissions 0755.

elements/opensuse/element-deps

@@ -1,4 +1,5 @@
 cache-url
 dib-run-parts
+install-bin
 package-installs
 zypper

elements/opensuse/pre-install.d/01-opensuse-install-bin

@@ -1,9 +0,0 @@
-#!/bin/bash
-
-if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
-    set -x
-fi
-set -eu
-set -o pipefail
-
-install -m 0755 -o root -g root $(dirname $0)/../bin/* /usr/local/bin

elements/package-installs/element-deps

@@ -1,2 +1,3 @@
 dib-python
+install-bin
 pkg-map

elements/yum/element-deps

@@ -0,0 +1 @@
+install-bin

elements/yum/pre-install.d/01-yum-install-bin

@@ -1,9 +0,0 @@
-#!/bin/bash
-
-if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
-    set -x
-fi
-set -eu
-set -o pipefail
-
-install -m 0755 -o root -g root $(dirname $0)/../bin/* /usr/local/bin