fix retrieving ESP partition type

ESP are the only partitions we're detecting through their pt_type
(modulo 0x12 which was Compaq Diagnostic & unlikely to be found on
GPT...)

However GPT has no equivalent to pt_type
But we can test for ESP flag

4 files changed, 30 insertions, 1 deletions

diff --git a/perl-install/NEWS b/perl-install/NEWS
index 29d00259b..0b331ffad 100644
--- a/perl-install/NEWS
+++ b/perl-install/NEWS
@@ -1,3 +1,5 @@
+- diskdrake:
+  o fix retrieving ESP partition type on GPT
 - bump max_nb() to 131 to cover mdadm managed imsm and ddf1 bios
   fakeraids (containers defaults to >= 127 and partitions <=126)
 
diff --git a/perl-install/c/stuff.xs.pl b/perl-install/c/stuff.xs.pl
index 631271a1e..c6adf9a68 100755
--- a/perl-install/c/stuff.xs.pl
+++ b/perl-install/c/stuff.xs.pl
@@ -576,6 +576,27 @@ get_iso_volume_ids(int fd)
 
 print '
 
+int
+is_partition_ESP(char * device_path, int part_number)
+  CODE:
+  PedDevice *dev = ped_device_get(device_path);
+  RETVAL = 0;
+  if(dev) {
+    PedDisk* disk = ped_disk_new(dev);
+    if(disk) {
+      PedPartition* part = ped_disk_get_partition(disk, part_number);
+      if (!part) {
+        printf("is_partition_ESP: failed to find partition\n");
+      } else {
+        RETVAL=ped_partition_get_flag(part, PED_PARTITION_ESP);
+      }
+      ped_disk_destroy(disk);
+    }
+  }
+  OUTPUT:
+  RETVAL
+
+
 const char *
 get_disk_type(char * device_path)
   CODE:
diff --git a/perl-install/install/NEWS b/perl-install/install/NEWS
index 8accfd2b6..e0ddf0dcc 100644
--- a/perl-install/install/NEWS
+++ b/perl-install/install/NEWS
@@ -1,5 +1,7 @@
 - bump max_nb() to 131 to cover mdadm managed imsm and ddf1 bios
   fakeraids (containers defaults to >= 127 and partitions <=126)
+- partitionning:
+  o fix retrieving ESP partition type on GPT
 
 Version 16.69 - 20 March 2015
 
diff --git a/perl-install/partition_table/gpt.pm b/perl-install/partition_table/gpt.pm
index 77173b268..fdcad1e85 100644
--- a/perl-install/partition_table/gpt.pm
+++ b/perl-install/partition_table/gpt.pm
@@ -107,8 +107,12 @@ sub read_one {
     c::get_disk_type($hd->{file}) eq "gpt" or die "$hd->{device} not a GPT disk ($hd->{file})";
 
     my @pt;
-    # FIXME: just use '@pt = c::...' if part_numbers are always linear:
+    # FIXME: just use '@pt = map { ... } c::...' if part_numbers are always linear:
     foreach (c::get_disk_partitions($hd->{file})) {
+        # fix detecting ESP (special case are they're detected through pt_type):
+        if (c::is_partition_ESP($hd->{file}, $_->{part_number}) {
+	    $_->{pt_type} = 0xef;
+        }
         @pt[$_->{part_number}-1] = $_;
     }