esp-idf/tools/windows/tool_setup/git_page.iss.inc

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2019-04-28 22:36:03 -04:00
{ Copyright 2019 Espressif Systems (Shanghai) PTE LTD
SPDX-License-Identifier: Apache-2.0 }
{ ------------------------------ Page to select Git ------------------------------ }
#include "git_find_installed.iss.inc"
var
GitPage: TInputOptionWizardPage;
GitPath, GitExecutablePath, GitVersion: String;
GitUseExisting: Boolean;
GitSelectionInstallIndex: Integer;
GitSelectionCustomPathIndex: Integer;
function GetGitPath(Unused: String): String;
begin
Result := GitPath;
end;
function GitInstallRequired(): Boolean;
begin
Result := not GitUseExisting;
end;
function GitVersionSupported(Version: String): Boolean;
var
Major, Minor: Integer;
begin
Result := False;
if not VersionExtractMajorMinor(Version, Major, Minor) then
begin
Log('GitVersionSupported: Could not parse version=' + Version);
exit;
end;
{ Need at least git 2.12 for 'git clone --reference' to work with submodules }
if (Major = 2) and (Minor >= 12) then Result := True;
if (Major > 2) then Result := True;
end;
procedure GitCustomPathUpdateEnabled();
var
Enable: Boolean;
begin
if GitPage.SelectedValueIndex = GitSelectionCustomPathIndex then
Enable := True;
ChoicePageSetInputEnabled(GitPage, Enable);
end;
procedure OnGitPagePrepare(Sender: TObject);
var
Page: TInputOptionWizardPage;
FullName: String;
i, Index, FirstEnabledIndex: Integer;
OfferToInstall: Boolean;
VersionToInstall: String;
VersionSupported: Boolean;
begin
Page := TInputOptionWizardPage(Sender);
Log('OnGitPagePrepare');
if Page.CheckListBox.Items.Count > 0 then
exit;
FindInstalledGitVersions();
VersionToInstall := '{#GitVersion}';
OfferToInstall := True;
FirstEnabledIndex := -1;
for i := 0 to InstalledGitVersions.Count - 1 do
begin
VersionSupported := GitVersionSupported(InstalledGitVersions[i]);
FullName := InstalledGitDisplayNames.Strings[i];
if not VersionSupported then
begin
FullName := FullName + ' (unsupported)';
end;
FullName := FullName + #13#10 + InstalledGitExecutables.Strings[i];
Index := Page.Add(FullName);
if not VersionSupported then
begin
Page.CheckListBox.ItemEnabled[Index] := False;
end else begin
if FirstEnabledIndex < 0 then FirstEnabledIndex := Index;
end;
if InstalledGitVersions[i] = VersionToInstall then
begin
OfferToInstall := False;
end;
end;
if OfferToInstall then
begin
Index := Page.Add('Install Git ' + VersionToInstall);
if FirstEnabledIndex < 0 then FirstEnabledIndex := Index;
GitSelectionInstallIndex := Index;
end;
Index := Page.Add('Custom git.exe location');
if FirstEnabledIndex < 0 then FirstEnabledIndex := Index;
GitSelectionCustomPathIndex := Index;
Page.SelectedValueIndex := FirstEnabledIndex;
GitCustomPathUpdateEnabled();
end;
procedure OnGitSelectionChange(Sender: TObject);
var
Page: TInputOptionWizardPage;
begin
Page := TInputOptionWizardPage(Sender);
Log('OnGitSelectionChange index=' + IntToStr(Page.SelectedValueIndex));
GitCustomPathUpdateEnabled();
end;
function OnGitPageValidate(Sender: TWizardPage): Boolean;
var
Page: TInputOptionWizardPage;
Version, ErrStr: String;
begin
Page := TInputOptionWizardPage(Sender);
Log('OnGitPageValidate index=' + IntToStr(Page.SelectedValueIndex));
if Page.SelectedValueIndex = GitSelectionInstallIndex then
begin
GitUseExisting := False;
GitExecutablePath := '';
GitPath := '';
GitVersion := '{#GitVersion}';
Result := True;
end else if Page.SelectedValueIndex = GitSelectionCustomPathIndex then
begin
GitPath := ChoicePageGetInputText(Page);
GitExecutablePath := GitPath + '\git.exe';
if not FileExists(GitExecutablePath) then
begin
MsgBox('Can not find git.exe in ' + GitPath, mbError, MB_OK);
Result := False;
exit;
end;
if not GetVersionOfGitExe(GitExecutablePath, Version, ErrStr) then
begin
MsgBox('Can not determine version of git.exe.' + #13#10
+ 'Please check that this copy of git works from cmd.exe.', mbError, MB_OK);
Result := False;
exit;
end;
Log('Version of ' + GitExecutablePath + ' is ' + Version);
if not GitVersionSupported(Version) then
begin
MsgBox('Selected git version (' + Version + ') is not supported.', mbError, MB_OK);
Result := False;
exit;
end;
Log('Version of git is supported');
GitUseExisting := True;
GitVersion := Version;
end else begin
GitUseExisting := True;
GitExecutablePath := InstalledGitExecutables[Page.SelectedValueIndex];
GitPath := ExtractFilePath(GitExecutablePath);
GitVersion := InstalledGitVersions[Page.SelectedValueIndex];
Result := True;
end;
end;
procedure GitExecutablePathUpdateAfterInstall();
var
GitInstallPath: String;
begin
GitInstallPath := GetInstallPath('SOFTWARE\GitForWindows', 'InstallPath');
if GitInstallPath = '' then
begin
Log('Failed to find Git install path');
exit;
end;
GitPath := GitInstallPath + '\cmd';
GitExecutablePath := GitPath + '\git.exe';
end;
<event('InitializeWizard')>
procedure CreateGitPage();
begin
GitPage := ChoicePageCreate(
wpLicense,
'Git choice', 'Please choose Git version',
'Available Git versions',
'Enter custom location of git.exe',
True,
@OnGitPagePrepare,
@OnGitSelectionChange,
@OnGitPageValidate);
end;