[CI] Remove utils.source in the Vagrant provisioning scripts

=> we no longer need the shared volume, which is broken on Alpine Linux

(cherry picked from commit 07cb39bb06ef9d5cfb4100a6c8da66f509d067f5)

ci/install_dependencies.sh

@@ -2,27 +2,22 @@
 
 set -e
 
-# this script expects one parameter, which is the path to utils.source
-# if the parameter is omitted, it defaults to the relative path in the
-# repository, but it can be provided manually (e.g. for vagrant VMs)
+# Debian & derivatives don't provide binary packages of googletest
+# => have to build them ourselves
+#
+# This script builds a shared library of googletest (not googlemock!) inside
+# gtest_build and copies it to /usr/lib/
+function debian_build_gtest() {
+    pushd .
+    [ -d gtest_build ] || mkdir gtest_build
+    cd gtest_build
+    cmake -DBUILD_SHARED_LIBS=1 /usr/src/googletest/googletest
+    make
+    cp libgtest* /usr/lib/
+    popd
+}
 
-if [ $# -eq 0 ]; then
-    source $(dirname "${BASH_SOURCE[0]}")/../contrib/vms/utils.source
-elif [ $# -gt 1 ]; then
-    cat << EOF
-usage: install_dependencies.sh [path/to/utils.source]
-
-Installs the dependencies required to build & test exiv2 on some Linux
-distributions.
-The optional parameter is the path to the utils.source file, which can be set to
-an alternative location (currently used for vagrant builds)
-EOF
-    exit 1
-else
-    source "$1"
-fi
-
-distro_id=$(get_distro_id)
+distro_id=$(grep '^ID=' /etc/os-release|awk -F = '{print $2}'|sed 's/\"//g')
 
 case "$distro_id" in
     'fedora')

contrib/vms/Vagrantfile

@@ -36,7 +36,6 @@ Vagrant.configure("2") do |config|
   # use the CI script from gitlab to setup all dependencies
   config.vm.provision "install_dependencies", type: "shell" do |shell|
     shell.path = "../../ci/install_dependencies.sh"
-    shell.args = "/vagrant/utils.source"
   end
 
   # install additional dependencies for development

contrib/vms/setup.sh

@@ -2,9 +2,7 @@
 
 set -e
 
-source /vagrant/utils.source
-
-distro_id=$(get_distro_id)
+distro_id=$(grep '^ID=' /etc/os-release|awk -F = '{print $2}'|sed 's/\"//g')
 
 case "$distro_id" in
     'fedora')

contrib/vms/setup_user.sh

@@ -2,8 +2,6 @@
 
 set -e
 
-source /vagrant/utils.source
-
 function clone_exiv2() {
     git clone https://github.com/Exiv2/exiv2.git
 
@@ -12,7 +10,7 @@ function clone_exiv2() {
     cd ..
 }
 
-distro_id=$(get_distro_id)
+distro_id=$(grep '^ID=' /etc/os-release|awk -F = '{print $2}'|sed 's/\"//g')
 
 case "$distro_id" in
     'debian' | 'ubuntu' | 'fedora' | 'opensuse' | 'opensuse-tumbleweed')

contrib/vms/utils.source

@@ -1,21 +0,0 @@
-#!/bin/sh
-
-function get_distro_id() {
-    local distro_id=$(grep '^ID=' /etc/os-release|awk -F = '{print $2}'|sed 's/\"//g')
-    echo "$distro_id"
-}
-
-# Debian & derivatives don't provide binary packages of googletest
-# => have to build them ourselves
-#
-# This script builds a shared library of googletest (not googlemock!) inside
-# gtest_build and copies it to /usr/lib/
-function debian_build_gtest() {
-    pushd .
-    [ -d gtest_build ] || mkdir gtest_build
-    cd gtest_build
-    cmake -DBUILD_SHARED_LIBS=1 /usr/src/googletest/googletest
-    make
-    cp libgtest* /usr/lib/
-    popd
-}