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[libcalamares] Switch @@ROOT@@ magic around

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The substitution of @@ROOT@@ should happen when running in the
host, not in the target, system. Also only complain about it
if @@ROOT@@ is actually used in the commands.

FIXES #954
This commit is contained in:
Adriaan de Groot 2018-05-16 11:20:40 -04:00
parent f6f34bbec3
commit c73d6e80f6
1 changed files with 14 additions and 3 deletions
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17
src/libcalamares/utils/CommandList.cpp
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@ -100,18 +100,29 @@ CommandList::~CommandList()
Calamares::JobResult CommandList::run()
{
QLatin1Literal rootMagic( "@@ROOT@@" );
System::RunLocation location = m_doChroot ? System::RunLocation::RunInTarget : System::RunLocation::RunInHost;
/* Figure out the replacement for @@ROOT@@ */
QString root = QStringLiteral( "/" );
Calamares::GlobalStorage* gs = Calamares::JobQueue::instance()->globalStorage();
if ( location == System::RunLocation::RunInTarget )
bool needsRootSubstitution = false;
for ( CommandList::const_iterator i = cbegin(); i != cend(); ++i )
if ( i->command().contains( rootMagic ) )
{
needsRootSubstitution = true;
break;
}
if ( needsRootSubstitution && ( location == System::RunLocation::RunInHost ) )
{
if ( !gs || !gs->contains( "rootMountPoint" ) )
{
cError() << "No rootMountPoint defined.";
return Calamares::JobResult::error( QCoreApplication::translate( "CommandList", "Could not run command." ),
QCoreApplication::translate( "CommandList", "No rootMountPoint is defined, so command cannot be run in the target environment." ) );
QCoreApplication::translate( "CommandList", "The command runs in the host environment and needs to know the root path, but no rootMountPoint is defined." ) );
}
root = gs->value( "rootMountPoint" ).toString();
}
@ -119,7 +130,7 @@ Calamares::JobResult CommandList::run()
for ( CommandList::const_iterator i = cbegin(); i != cend(); ++i )
{
QString processed_cmd = i->command();
processed_cmd.replace( "@@ROOT@@", root );
processed_cmd.replace( rootMagic, root );
bool suppress_result = false;
if ( processed_cmd.startsWith( '-' ) )
{