支持读取安装状态

Resource.qrc

@@ -1,6 +1,7 @@
 <RCC>
     <qresource prefix="/shell">
         <file>kernel-installer-template.sh</file>
+        <file>kernel-installer-root-loader-template.sh</file>
     </qresource>
     <qresource prefix="/icon"/>
 </RCC>

kernel-installer-root-loader-template.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+rm /tmp/gxde-kernel-manager-installer-status -f
+pkexec bash "${kernelInstallerShellTempPath}"
+echo $? > /tmp/gxde-kernel-manager-installer-status
+rm -f "${kernelInstallerRootLoaderShellTempPath}"

kernel-installer-template.sh

@@ -1,3 +1,6 @@
 #!/bin/bash
+set -e
+rm /tmp/gxde-kernel-manager-installer-status -f
 apt update
-apt install ${KernelList} -y
+apt install ${KernelList} -y
+rm -f "${kernelInstallerShellTempPath}"

kernelinstaller.cpp

@@ -4,6 +4,8 @@
 #include <ctime>
 #include <cstdlib>
 #include <QFile>
+#include <unistd.h>
+#include <QDebug>
 
 #define MAX_TMP_NUM 1024
 #define MIN_TMP_NUM 0
@@ -13,27 +15,39 @@ KernelInstaller::KernelInstaller(QStringList kernelList, QWidget *parent) :
     ui(new Ui::KernelInstaller)
 {
     ui->setupUi(this);
+    ui->m_installerStatus->setHidden(true);
     this->kernelList = kernelList;
     terminal = new QTermWidget(0);
     terminal->setColorScheme("DarkPastels");
-    terminal->setAutoClose(true);
+    terminal->setAutoClose(false);
     ui->verticalLayout->addWidget(terminal);
     StartInstaller();
 }
 
 void KernelInstaller::StartInstaller()
 {
-    terminal->setShellProgram("/usr/bin/pkexec");
     // 随机生成目录
     srand(time(0));
     int randomNumber = (rand() % (MAX_TMP_NUM - MIN_TMP_NUM)) + 1;  // 左闭右闭
     QString tempPath = tempDir + "/gxde-kernel-manager-installer-" + QString::number(randomNumber) + ".sh";
+    QString tempLoaderPath = tempDir + "/gxde-kernel-manager-root-loader-installer-" + QString::number(randomNumber) + ".sh";
     QFile file(tempPath);
     file.open(QFile::WriteOnly);
     file.write(BuildKernelInstallerBash(this->kernelList, tempPath).toUtf8());
     file.close();
-    terminal->setArgs(QStringList() << "bash" << tempPath);
+    QFile loaderFile(tempLoaderPath);
+    loaderFile.open(QFile::WriteOnly);
+    loaderFile.write(BuildKernelRootLoaderInstallerBash(tempPath, tempLoaderPath).toUtf8());
+    loaderFile.close();
+    terminal->setShellProgram("/usr/bin/bash");
+    terminal->setArgs(QStringList() << tempLoaderPath);
     terminal->startShellProgram();
+    processID = terminal->getShellPID();
+    // 使用 QTimer 用于判断内核是否安装完成
+    QTimer *runStatusTimer = new QTimer();
+    runStatusTimer->setInterval(100);
+    connect(runStatusTimer, &QTimer::timeout, this, &KernelInstaller::CheckInstallerStatusTimer);
+    runStatusTimer->start();
 }
 
 QString KernelInstaller::BuildKernelInstallerBash(QStringList kernelList, QString tempFilePath) const
@@ -47,11 +61,57 @@ QString KernelInstaller::BuildKernelInstallerBash(QStringList kernelList, QStrin
     file.open(QFile::ReadOnly);
     QString data = file.readAll();
     data = data.replace("${KernelList}", kernel);
-    data += "\nrm -v '" + tempFilePath + "'";
+    data = data.replace("${kernelInstallerShellTempPath}", tempFilePath);
     file.close();
     return data;
 }
 
+QString KernelInstaller::BuildKernelRootLoaderInstallerBash(QString tempFilePath, QString tempLoaderFilePath) const
+{
+    QFile file(":/shell/kernel-installer-root-loader-template.sh");
+    file.open(QFile::ReadOnly);
+    QString data = file.readAll();
+    data = data.replace("${kernelInstallerShellTempPath}", tempFilePath);
+    data = data.replace("${kernelInstallerRootLoaderShellTempPath}", tempLoaderFilePath);
+    file.close();
+    return data;
+}
+
+/*
+ * -1 为进程正在运行（正常）
+ * -2 为无法读取进程信息（异常）
+*/
+int KernelInstaller::CheckInstallerStatus()
+{
+    if(QFile::exists("/proc/" + QString::number(processID))) {
+        // 如果进程存在
+        return -1;
+    }
+    QFile file("/tmp/gxde-kernel-manager-installer-status");
+    if(!file.exists()) {
+        return -2;
+    }
+    file.open(QFile::ReadOnly);
+    QString data = file.readAll();
+    file.close();
+    data = data.replace("\n", "").replace(" ", "");
+    return data.toInt();
+}
+
+void KernelInstaller::CheckInstallerStatusTimer()
+{
+    int status = CheckInstallerStatus();
+    if(status == -1) {
+        return;
+    }
+    // 安装完成
+    if(status == 0) {
+        ui->m_status->setText(tr("Done"));
+        return;
+    }
+    ui->m_status->setText(tr("Something error, exit code: ") + QString::number(status));
+}
+
 KernelInstaller::~KernelInstaller()
 {
     delete ui;

kernelinstaller.h

@@ -17,15 +17,23 @@ public:
     explicit KernelInstaller(QStringList kernelList, QWidget *parent = nullptr);
     ~KernelInstaller();
 
+signals:
+    void InstallFinished(int status);
+
 private:
     Ui::KernelInstaller *ui;
     QTermWidget *terminal;
     QStringList kernelList;
+    int processID;
 
     QString tempDir = "/tmp";
 
     void StartInstaller();
     QString BuildKernelInstallerBash(QStringList kernelList, QString tempFilePath) const;
+    QString BuildKernelRootLoaderInstallerBash(QString tempFilePath, QString tempLoaderFilePath) const;
+
+    int CheckInstallerStatus();
+    void CheckInstallerStatusTimer();
 };
 
 #endif // KERNELINSTALLER_H

kernelinstaller.ui

@@ -16,7 +16,20 @@
   <widget class="QWidget" name="centralwidget">
    <layout class="QVBoxLayout" name="verticalLayout">
     <item>
-     <widget class="QLabel" name="m_statue">
+     <widget class="QLabel" name="m_installerStatus">
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
+      <property name="text">
+       <string>TextLabel</string>
+      </property>
+     </widget>
+    </item>
+    <item>
+     <widget class="QLabel" name="m_status">
       <property name="sizePolicy">
        <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
         <horstretch>0</horstretch>