Only consider /etc/os-release for distro info

This is in line with how the `dotnet` tooling works.

diff --git a/init-tools.sh b/init-tools.sh
index 9a83bda..9a5c8b3 100755 (executable)
--- a/init-tools.sh
+++ b/init-tools.sh
@@ -18,45 +18,45 @@ __INIT_TOOLS_DONE_MARKER=$__PROJECT_JSON_PATH/done
 # Extended version of platform detection logic from dotnet/cli/scripts/obtain/dotnet-install.sh 16692fc
 get_current_linux_name() {
     # Detect Distro
-    if [ "$(cat /etc/*-release | grep -cim1 ubuntu)" -eq 1 ]; then
-        if [ "$(cat /etc/*-release | grep -cim1 16.04)" -eq 1 ]; then
+    if [ "$(cat /etc/os-release | grep -cim1 ubuntu)" -eq 1 ]; then
+        if [ "$(cat /etc/os-release | grep -cim1 16.04)" -eq 1 ]; then
             echo "ubuntu.16.04"
             return 0
         fi
-        if [ "$(cat /etc/*-release | grep -cim1 16.10)" -eq 1 ]; then
+        if [ "$(cat /etc/os-release | grep -cim1 16.10)" -eq 1 ]; then
             echo "ubuntu.16.10"
             return 0
         fi
 
         echo "ubuntu"
         return 0
-    elif [ "$(cat /etc/*-release | grep -cim1 centos)" -eq 1 ]; then
+    elif [ "$(cat /etc/os-release | grep -cim1 centos)" -eq 1 ]; then
         echo "centos"
         return 0
-    elif [ "$(cat /etc/*-release | grep -cim1 rhel)" -eq 1 ]; then
+    elif [ "$(cat /etc/os-release | grep -cim1 rhel)" -eq 1 ]; then
         echo "rhel"
         return 0
-    elif [ "$(cat /etc/*-release | grep -cim1 debian)" -eq 1 ]; then
+    elif [ "$(cat /etc/os-release | grep -cim1 debian)" -eq 1 ]; then
         echo "debian"
         return 0
-    elif [ "$(cat /etc/*-release | grep -cim1 alpine)" -eq 1 ]; then
+    elif [ "$(cat /etc/os-release | grep -cim1 alpine)" -eq 1 ]; then
         echo "alpine"
         return 0
-    elif [ "$(cat /etc/*-release | grep -cim1 fedora)" -eq 1 ]; then
-        if [ "$(cat /etc/*-release | grep -cim1 23)" -eq 1 ]; then
+    elif [ "$(cat /etc/os-release | grep -cim1 fedora)" -eq 1 ]; then
+        if [ "$(cat /etc/os-release | grep -cim1 23)" -eq 1 ]; then
             echo "fedora.23"
             return 0
         fi
-        if [ "$(cat /etc/*-release | grep -cim1 24)" -eq 1 ]; then
+        if [ "$(cat /etc/os-release | grep -cim1 24)" -eq 1 ]; then
             echo "fedora.24"
             return 0
         fi
-    elif [ "$(cat /etc/*-release | grep -cim1 opensuse)" -eq 1 ]; then
-        if [ "$(cat /etc/*-release | grep -cim1 13.2)" -eq 1 ]; then
+    elif [ "$(cat /etc/os-release | grep -cim1 opensuse)" -eq 1 ]; then
+        if [ "$(cat /etc/os-release | grep -cim1 13.2)" -eq 1 ]; then
             echo "opensuse.13.2"
             return 0
         fi
-        if [ "$(cat /etc/*-release | grep -cim1 42.1)" -eq 1 ]; then
+        if [ "$(cat /etc/os-release | grep -cim1 42.1)" -eq 1 ]; then
             echo "opensuse.42.1"
             return 0
         fi