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

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{ Copyright 2019-2021 Espressif Systems (Shanghai) CO LTD
SPDX-License-Identifier: Apache-2.0 }
{ ------------------------------ Find installed copies of Git ------------------------------ }
var
InstalledGitVersions: TStringList;
InstalledGitDisplayNames: TStringList;
InstalledGitExecutables: TStringList;
procedure GitVersionAdd(Version, DisplayName, Executable: String);
begin
Log('Adding Git version=' + Version + ' name='+DisplayName+' executable='+Executable);
InstalledGitVersions.Append(Version);
InstalledGitDisplayNames.Append(DisplayName);
InstalledGitExecutables.Append(Executable);
end;
function GetVersionOfGitExe(Path: String; var Version: String; var ErrStr: String): Boolean;
var
VersionOutputFile: String;
Args: String;
GitVersionAnsi: AnsiString;
GitVersion: String;
GitVersionPrefix: String;
Err: Integer;
begin
VersionOutputFile := ExpandConstant('{tmp}\gitver.txt');
DeleteFile(VersionOutputFile);
Args := '/C "' + Path + '" --version >gitver.txt';
Log('Running ' + Args);
if not ShellExec('', 'cmd.exe', Args,
ExpandConstant('{tmp}'), SW_HIDE, ewWaitUntilTerminated, Err) then
begin
ErrStr := 'Failed to get git version, error=' + IntToStr(err);
Log(ErrStr);
Result := False;
exit;
end;
LoadStringFromFile(VersionOutputFile, GitVersionAnsi);
GitVersion := Trim(String(GitVersionAnsi));
GitVersionPrefix := 'git version ';
if Pos(GitVersionPrefix, GitVersion) <> 1 then
begin
ErrStr := 'Unexpected git version format: ' + GitVersion;
Log(ErrStr);
Result := False;
exit;
end;
Delete(GitVersion, 1, Length(GitVersionPrefix));
Version := GitVersion;
Result := True;
end;
procedure FindGitInPath();
var
Args: String;
GitListFile: String;
GitPaths: TArrayOfString;
GitVersion: String;
ErrStr: String;
Err: Integer;
i: Integer;
begin
GitListFile := ExpandConstant('{tmp}\gitlist.txt');
Args := '/C where git.exe >"' + GitListFile + '"';
if not ShellExec('', 'cmd.exe', Args,
'', SW_HIDE, ewWaitUntilTerminated, Err) then
begin
Log('Failed to find git using "where", error='+IntToStr(Err));
exit;
end;
LoadStringsFromFile(GitListFile, GitPaths);
for i:= 0 to GetArrayLength(GitPaths) - 1 do
begin
Log('Git path: ' + GitPaths[i]);
if not GetVersionOfGitExe(GitPaths[i], GitVersion, ErrStr) then
continue;
Log('Git version: ' + GitVersion);
GitVersionAdd(GitVersion, GitVersion, GitPaths[i]);
end;
end;
procedure FindInstalledGitVersions();
begin
InstalledGitVersions := TStringList.Create();
InstalledGitDisplayNames := TStringList.Create();
InstalledGitExecutables := TStringList.Create();
FindGitInPath();
end;