Replace 'distrofamily' with feature tags

[libguestfs.git] / perl / lib / Sys / Guestfs / Lib.pm

diff --git a/perl/lib/Sys/Guestfs/Lib.pm b/perl/lib/Sys/Guestfs/Lib.pm
index 925c494..f084090 100644 (file)
--- a/perl/lib/Sys/Guestfs/Lib.pm
+++ b/perl/lib/Sys/Guestfs/Lib.pm
@@ -475,8 +475,19 @@ Filesystem content, if we could determine it.  One of: "linux-grub",
 =item osdistro
 
 (For Linux root partitions only).
-Operating system distribution.  One of: "fedora", "redhat",
-"debian".
+Operating system distribution.  One of: "fedora", "rhel", "centos",
+"scientific", "debian".
+
+=item package_format
+
+(For Linux root partitions only)
+The package format used by the guest distribution. One of: "rpm", "dpkg".
+
+=item package_management
+
+(For Linux root partitions only)
+The package management tool used by the guest distribution. One of: "rhn",
+"yum", "apt".
 
 =item osversion
 
@@ -609,20 +620,60 @@ sub _check_linux_root
 
     # Look into /etc to see if we recognise the operating system.
     if ($g->is_file ("/etc/redhat-release")) {
+        $r->{package_format} = "rpm";
+
        $_ = $g->cat ("/etc/redhat-release");
        if (/Fedora release (\d+\.\d+)/) {
            $r->{osdistro} = "fedora";
-           $r->{osversion} = "$1"
-       } elsif (/(Red Hat Enterprise Linux|CentOS|Scientific Linux).*release (\d+).*Update (\d+)/) {
-           $r->{osdistro} = "redhat";
-           $r->{osversion} = "$2.$3";
-        } elsif (/(Red Hat Enterprise Linux|CentOS|Scientific Linux).*release (\d+(?:\.(\d+))?)/) {
-           $r->{osdistro} = "redhat";
-           $r->{osversion} = "$2";
-       } else {
-           $r->{osdistro} = "redhat";
+           $r->{osversion} = "$1";
+           $r->{package_management} = "yum";
+       }
+        
+        elsif (/(Red Hat Enterprise Linux|CentOS|Scientific Linux)/) {
+            my $distro = $1;
+
+            if($distro eq "Red Hat Enterprise Linux") {
+                $r->{osdistro} = "rhel";
+            }
+
+            elsif($distro eq "CentOS") {
+                $r->{osdistro} = "centos";
+                $r->{package_management} = "yum";
+            }
+
+            elsif($distro eq "Scientific Linux") {
+                $r->{osdistro} = "scientific";
+                $r->{package_management} = "yum";
+            }
+
+            # Shouldn't be possible
+            else { die };
+
+            if (/$distro.*release (\d+).*Update (\d+)/) {
+                $r->{osversion} = "$1.$2";
+            }
+
+            elsif (/$distro.*release (\d+(?:\.(?:\d+))?)/) {
+                $r->{osversion} = "$1";
+            }
+
+            # Package management in RHEL changed in version 5
+            if ($r->{osdistro} eq "rhel") {
+                if ($r->{osversion} >= 5) {
+                    $r->{package_management} = "yum";
+                } else {
+                    $r->{package_management} = "rhn";
+                }
+            }
+        }
+
+        else {
+           $r->{osdistro} = "redhat-based";
        }
     } elsif ($g->is_file ("/etc/debian_version")) {
+        $r->{package_format} = "dpkg";
+        $r->{package_management} = "apt";
+
        $_ = $g->cat ("/etc/debian_version");
        if (/(\d+\.\d+)/) {
            $r->{osdistro} = "debian";
@@ -884,6 +935,10 @@ sub _get_os_version
     $r->{os} = $r->{root}->{fsos} if exists $r->{root}->{fsos};
     $r->{distro} = $r->{root}->{osdistro} if exists $r->{root}->{osdistro};
     $r->{version} = $r->{root}->{osversion} if exists $r->{root}->{osversion};
+    $r->{package_format} = $r->{root}->{package_format}
+        if exists $r->{root}->{package_format};
+    $r->{package_management} = $r->{root}->{package_management}
+        if exists $r->{root}->{package_management};
 }
 
 sub _assign_mount_points
@@ -1063,8 +1118,8 @@ sub _check_for_applications
 
     my $osn = $os->{os};
     if ($osn eq "linux") {
-       my $distro = $os->{distro};
-       if (defined $distro && ($distro eq "redhat" || $distro eq "fedora")) {
+       my $package_format = $os->{package_format};
+       if (defined $package_format && $package_format eq "rpm") {
            my @lines = $g->command_lines
                (["rpm",
                  "-q", "-a",