[OE-core] [PATCH] wic: remove intermediate partitions

[Alexandre Belloni]

Remove intermediate partitions that may have been created by a previous
wic invocation. Those partitions are causing issues on some systems. In
particular vfat partition creation is hanging on mcopy execution on
Fedora.

Signed-off-by: Alexandre Belloni <alexandre.belloni at free-electrons.com>
---
 scripts/lib/wic/kickstart/custom_commands/partition.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/scripts/lib/wic/kickstart/custom_commands/partition.py b/scripts/lib/wic/kickstart/custom_commands/partition.py
index ff906010b8bf..b228b0d73902 100644
--- a/scripts/lib/wic/kickstart/custom_commands/partition.py
+++ b/scripts/lib/wic/kickstart/custom_commands/partition.py
@@ -230,6 +230,7 @@ class Wic_PartData(Mic_PartData):
         image_rootfs = rootfs_dir
         rootfs = "%s/rootfs_%s.%s" % (cr_workdir, self.label ,self.fstype)
 
+        exec_cmd("rm -f %s" % rootfs)
         du_cmd = "du -ks %s" % image_rootfs
         out = exec_cmd(du_cmd)
         actual_rootfs_size = int(out.split()[0])
@@ -281,6 +282,7 @@ class Wic_PartData(Mic_PartData):
         image_rootfs = rootfs_dir
         rootfs = "%s/rootfs_%s.%s" % (cr_workdir, self.label, self.fstype)
 
+        exec_cmd("rm -f %s" % rootfs)
         du_cmd = "du -ks %s" % image_rootfs
         out = exec_cmd(du_cmd)
         actual_rootfs_size = int(out.split()[0])
@@ -325,6 +327,7 @@ class Wic_PartData(Mic_PartData):
         image_rootfs = rootfs_dir
         rootfs = "%s/rootfs_%s.%s" % (cr_workdir, self.label, self.fstype)
 
+        exec_cmd("rm -f %s" % rootfs)
         du_cmd = "du -bks %s" % image_rootfs
         out = exec_cmd(du_cmd)
         blocks = int(out.split()[0])
@@ -377,6 +380,7 @@ class Wic_PartData(Mic_PartData):
         image_rootfs = rootfs_dir
         rootfs = "%s/rootfs_%s.%s" % (cr_workdir, self.label ,self.fstype)
 
+        exec_cmd("rm -f %s" % rootfs)
         squashfs_cmd = "mksquashfs %s %s -noappend" % \
                        (image_rootfs, rootfs)
         exec_native_cmd(pseudo + squashfs_cmd, native_sysroot)
@@ -415,6 +419,7 @@ class Wic_PartData(Mic_PartData):
         """
         fs = "%s/fs_%s.%s" % (cr_workdir, self.label, self.fstype)
 
+        exec_cmd("rm -f %s" % fs)
         dd_cmd = "dd if=/dev/zero of=%s bs=1k seek=%d count=0" % \
             (fs, self.size)
         exec_cmd(dd_cmd)
@@ -442,6 +447,7 @@ class Wic_PartData(Mic_PartData):
         """
         fs = "%s/fs_%s.%s" % (cr_workdir, self.label, self.fstype)
 
+        exec_cmd("rm -f %s" % fs)
         dd_cmd = "dd if=/dev/zero of=%s bs=1k seek=%d count=0" % \
             (fs, self.size)
         exec_cmd(dd_cmd)
@@ -466,6 +472,7 @@ class Wic_PartData(Mic_PartData):
         Prepare an empty vfat partition.
         """
         fs = "%s/fs_%s.%s" % (cr_workdir, self.label, self.fstype)
+        exec_cmd("rm -f %s" % fs)
 
         blocks = self.size
 
@@ -492,6 +499,7 @@ class Wic_PartData(Mic_PartData):
                       "Proceeding as requested." % self.mountpoint)
 
         fs = "%s/fs_%s.%s" % (cr_workdir, self.label, self.fstype)
+        exec_cmd("rm -f %s" % fs)
 
         # it is not possible to create a squashfs without source data,
         # thus prepare an empty temp dir that is used as source
-- 
2.1.4