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Add support for setting the specific GPT type 

The GPT partition layout defines the type of the partition using a
UUID[1]. The type of the partition is not related to the underlying
filesystem but to its functionality: rootfs, home, var, swap, esp...

The UUID 4f68bce3-e8cd-4db1-96e7-fbcaf984b709 defines the root partition
(/), the UUID 933ac7e1-2eb4-4f13-b844-0e14e2aef915 defines the home
partition (/home), the UUID 4d21b016-b534-45c2-a9fb-5c16e091fd2d defines
the variable partition (/var)... Also, the UUIDs may vary depending on
the architecture (x86, x86_64, arm or aarch64).

KPMcore guesses the type depending on the underlying filesystem.

This commit enables the setting of a more specific GPT type if it is
specified through the method Partition::setType(). It falls back to the
previous guess type if the type is left unset.

[1]: https://systemd.io/DISCOVERABLE_PARTITIONS/
This commit is contained in:
Gaël PORTAY 2020-03-19 08:15:13 -04:00
parent 59269f63df
commit 0529ebfb01
2 changed files with 10 additions and 1 deletions
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7
src/core/partition.h
View File

@ -125,6 +125,9 @@ public:
const QString& label() const {
return m_Label; /**< @return the GPT Partition label */
}
const QString& type() const {
return m_Type; /**< @return the GPT Partition type */
}
const QString& uuid() const {
return m_UUID; /**< @return the GPT Partition UUID */
}
@ -210,6 +213,9 @@ public:
void setLabel(const QString& s) {
m_Label = s; /**< @param s the new label */
}
void setType(const QString& s) {
m_Type = s; /**< @param s the new type */
}
void setUUID(const QString& s) {
m_UUID = s; /**< @param s the new UUID */
}
@ -266,6 +272,7 @@ private:
qint64 m_LastSector;
QString m_DevicePath;
QString m_Label;
QString m_Type;
QString m_UUID;
QString m_PartitionPath;
QString m_MountPoint;

4
src/plugins/sfdisk/sfdiskpartitiontable.cpp
View File

@ -215,7 +215,9 @@ static QLatin1String getPartitionType(FileSystem::Type t, PartitionTable::TableT
bool SfdiskPartitionTable::setPartitionSystemType(Report& report, const Partition& partition)
{
QString partitionType = getPartitionType(partition.fileSystem().type(), m_device->partitionTable()->type());
QString partitionType = partition.type();
if (partitionType.isEmpty())
partitionType = getPartitionType(partition.fileSystem().type(), m_device->partitionTable()->type());
if (partitionType.isEmpty())
return true;
ExternalCommand sfdiskCommand(report, QStringLiteral("sfdisk"), { QStringLiteral("--part-type"), m_device->deviceNode(), QString::number(partition.number()),