install-deps.sh: do not require sudo when root

If the user is root, do not use sudo. The sudo package is not installed
by default on centos by default and when building from script it may be
that root is running install-deps.sh on a freshly install distribution.

Signed-off-by: Loic Dachary <ldachary@redhat.com>

diff --git a/install-deps.sh b/install-deps.sh
index 4785d00501371d6a86bb12e643bcc7f165000073..8bbfaaded9da697375cebe5aa79fc69723dd2f1e 100755 (executable)
--- a/install-deps.sh
+++ b/install-deps.sh
@@ -15,9 +15,13 @@ DIR=/tmp/install-deps.$$
 trap "rm -fr $DIR" EXIT
 mkdir -p $DIR
 
+if test $(id -u) != 0 ; then
+    SUDO=sudo
+fi
+
 case $(lsb_release -si) in
 Ubuntu|Debian|Devuan)
-        sudo apt-get install -y dpkg-dev
+        $SUDO apt-get install -y dpkg-dev
         touch $DIR/status
         packages=$(dpkg-checkbuilddeps --admindir=$DIR debian/control 2>&1 | \
             perl -p -e 's/.*Unmet build dependencies: *//;' \
@@ -29,19 +33,19 @@ Ubuntu|Debian|Devuan)
                 packages=$(echo $packages | perl -pe 's/\w*babeltrace\w*//g')
                 ;;
         esac
-        sudo apt-get install -y $packages
+        $SUDO apt-get install -y $packages
         ;;
 CentOS|Fedora|SUSE*|RedHatEnterpriseServer)
         case $(lsb_release -si) in
             SUSE*)
-                sudo zypper -y yum-utils
+                $SUDO zypper -y yum-utils
                 ;;
             *)
-                sudo yum install -y yum-utils
+                $SUDO yum install -y yum-utils
                 ;;
         esac
         sed -e 's/@//g' < ceph.spec.in > $DIR/ceph.spec
-        sudo yum-builddep -y $DIR/ceph.spec
+        $SUDO yum-builddep -y $DIR/ceph.spec
         ;;
 *)
         echo "$(lsb_release -si) is unknown, dependencies will have to be installed manually."