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lplupdate.lpr
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lplupdate.lpr
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{ Search all lpk files, tell what lpl files are missing, too much or need change
Copyright (C) 2010 Mattias Gaertner mattias@freepascal.org
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version with the following modification:
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent modules,and
to copy and distribute the resulting executable under terms of your choice,
provided that you also meet, for each linked independent module, the terms
and conditions of the license of that module. An independent module is a
module which is not derived from or based on this library. If you modify
this library, you may extend this exception to your version of the library,
but you are not obligated to do so. If you do not wish to do so, delete this
exception statement from your version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
for more details.
You should have received a copy of the GNU Library General Public License
along with this library; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
}
program lplupdate;
{$mode objfpc}{$H+}
uses
Classes, SysUtils, CustApp, contnrs,
FileProcs,
LazFileUtils, LazUTF8, Laz_XMLCfg;
type
{ TPackage }
TPackage = class
public
Filename: string;
Name: string;
Major: integer;
Minor: integer;
Release: integer;
Build: integer;
function VersionAsString: string;
end;
{ TPackages }
TPackages = class(TObjectList)
private
function GetPackages(Index: integer): TPackage;
public
function IndexByName(PkgName: string): integer;
function FindByName(PkgName: string): TPackage;
property Packages[Index: integer]: TPackage read GetPackages; default;
end;
{ TLink }
TLink = class
public
LPLFilename: string;
InLazarusDir: boolean; // true = PkgFilename starts with $(LazarusDir)
PkgName: string;
Major: integer;
Minor: integer;
Release: integer;
Build: integer;
PkgFilename: string; // can have macros
ExpFilename: string; // full PkgFilename without macros
end;
{ TLinks }
TLinks = class(TObjectList)
private
function GetLinks(Index: integer): TLink;
public
function FindLinkWithName(PkgName: string): TLink;
property Links[Index: integer]: TLink read GetLinks; default;
end;
{ TLPLUpdate }
TLPLUpdate = class(TCustomApplication)
private
FLazarusDir: string;
FLinksDir: string;
FPkgDir: string;
FQuiet: Boolean;
FVerbose: Boolean;
FWriteCommands: boolean;
protected
procedure DoRun; override;
procedure Error(Msg: string);
procedure ScanPackages(Dir: string; Packages: TPackages);
procedure ScanPackage(Filename: string; Packages: TPackages);
procedure ScanLinks(Dir: string; Links: TLinks);
procedure ScanLink(Filename: string; Links: TLinks);
procedure WriteMissingLinks(Packages: TPackages; Links: TLinks);
procedure WriteLinksWithWrongExpFilename(Packages: TPackages; Links: TLinks);
procedure WriteDeadLinks(Packages: TPackages; Links: TLinks);
procedure WriteLinksWithWrongVersion(Packages: TPackages; Links: TLinks);
public
constructor Create(TheOwner: TComponent); override;
destructor Destroy; override;
procedure WriteHelp; virtual;
function GetDefaultLazarusDir: string;
function GetLazarusDir: string;
function GetDefaultPkgDirectory: string;
function GetDefaultLinksDirectory: string;
property LazarusDir: string read FLazarusDir write FLazarusDir;
property PkgDir: string read FPkgDir write FPkgDir;
property LinksDir: string read FLinksDir write FLinksDir;
property Verbose: Boolean read FVerbose write FVerbose;
property Quiet: Boolean read FQuiet write FQuiet;
property WriteCommands: boolean read FWriteCommands write FWriteCommands;
end;
{ TLPLUpdate }
procedure TLPLUpdate.DoRun;
var
ErrorMsg: String;
Packages: TPackages;
Links: TLinks;
begin
// quick check parameters
ErrorMsg:=CheckOptions('hvqlLpc','help verbose quiet lazarusdir pkgdir linksdir commands');
if ErrorMsg<>'' then begin
Error(ErrorMsg);
Terminate;
Exit;
end;
// parse parameters
if HasOption('h','help') then begin
WriteHelp;
Terminate;
Exit;
end;
Verbose:=HasOption('v','verbose');
Quiet:=HasOption('q','quiet');
if HasOption('L','lazarusdir') then
LazarusDir:=CleanAndExpandDirectory(GetOptionValue('L','lazarusdir'))
else
LazarusDir:=GetDefaultLazarusDir;
if not DirectoryExistsUTF8(LazarusDir) then
Error('lazarus directory not found: '+LazarusDir);
if HasOption('p','pkgdir') then
PkgDir:=GetOptionValue('P','pkgdir')
else
PkgDir:=GetDefaultPkgDirectory;
if not DirectoryExistsUTF8(PkgDir) then
Error('package directory not found: '+PkgDir);
if HasOption('l','linksdir') then
LinksDir:=GetOptionValue('P','linksdir')
else
LinksDir:=GetDefaultLinksDirectory;
if not DirectoryExistsUTF8(LinksDir) then
Error('links directory not found: '+LinksDir);
WriteCommands:=HasOption('c','commands');
if Verbose then begin
writeln('TLPLUpdate.DoRun LazarusDir=',LazarusDir);
writeln('TLPLUpdate.DoRun PkgDir=',PkgDir);
writeln('TLPLUpdate.DoRun LinksDir=',LinksDir);
end;
Packages:=TPackages.create(true);
Links:=TLinks.create(true);
try
ScanPackages(PkgDir,Packages);
ScanLinks(LinksDir,Links);
WriteMissingLinks(Packages,Links);
WriteLinksWithWrongExpFilename(Packages,Links);
WriteDeadLinks(Packages,Links);
WriteLinksWithWrongVersion(Packages,Links);
finally
Links.Free;
Packages.Free;
end;
// stop program loop
Terminate;
end;
procedure TLPLUpdate.Error(Msg: string);
begin
ShowException(Exception.Create(Msg));
end;
procedure TLPLUpdate.ScanPackages(Dir: string; Packages: TPackages);
var
FileInfo: TSearchRec;
begin
if FindFirstUTF8(Dir+FileMask,faAnyFile,FileInfo)=0 then
begin
repeat
// skip special files
if (FileInfo.Name='.') or (FileInfo.Name='..') or (FileInfo.Name='')
then
continue;
if (FileInfo.Attr and faDirectory)>0 then begin
// scan sub directories too
ScanPackages(AppendPathDelim(Dir+FileInfo.Name),Packages);
end else if CompareFileExt(FileInfo.Name,'.lpk',false)=0 then begin
ScanPackage(Dir+FileInfo.Name,Packages);
end;
until FindNextUTF8(FileInfo)<>0;
end;
FindCloseUTF8(FileInfo);
end;
procedure TLPLUpdate.ScanPackage(Filename: string; Packages: TPackages);
var
XMLConfig: TXMLConfig;
Path: String;
Pkg: TPackage;
begin
XMLConfig:=TXMLConfig.Create(Filename);
try
Pkg:=TPackage.Create;
Packages.Add(Pkg);
Pkg.Filename:=Filename;
Pkg.Name:=lowercase(ExtractFileNameOnly(Filename));
Path:='Package/Version/';
Pkg.Major:=XMLConfig.GetValue(Path+'Major',0);
Pkg.Minor:=XMLConfig.GetValue(Path+'Minor',0);
Pkg.Release:=XMLConfig.GetValue(Path+'Release',0);
Pkg.Build:=XMLConfig.GetValue(Path+'Build',0);
if Verbose then
writeln('TLPLUpdate.ScanPackage ',Pkg.Name,'-',Pkg.VersionAsString,' in ',CreateRelativePath(Pkg.Filename,PkgDir));
finally
XMLConfig.Free;
end;
end;
procedure TLPLUpdate.ScanLinks(Dir: string; Links: TLinks);
var
FileInfo: TSearchRec;
begin
if FindFirstUTF8(Dir+FileMask,faAnyFile,FileInfo)=0 then
begin
repeat
// skip special files
if (FileInfo.Name='.') or (FileInfo.Name='..') or (FileInfo.Name='')
then
continue;
if (FileInfo.Attr and faDirectory)>0 then begin
// skip
end else if CompareFileExt(FileInfo.Name,'.lpl',false)=0 then begin
ScanLink(Dir+FileInfo.Name,Links);
end;
until FindNextUTF8(FileInfo)<>0;
end;
FindCloseUTF8(FileInfo);
end;
procedure TLPLUpdate.ScanLink(Filename: string; Links: TLinks);
const
LazDirMacro = '$(LazarusDir)';
var
Link: TLink;
s: String;
p: Integer;
Version: String;
i: LongInt;
v: LongInt;
sl: TStringList;
begin
Link:=TLink.Create;
Links.Add(Link);
Link.LPLFilename:=Filename;
// for example: name-0.5.lpl
s:=ExtractFileNameOnly(Filename);
p:=Pos('-',s);
if p<1 then
Error('missing - in lpl file name: '+Filename);
// package name
Link.PkgName:=copy(s,1,p-1);
if (Link.PkgName='') or (not IsValidIdent(Link.PkgName)) then
Error('invalid name in lpl file name: '+Filename);
// package version
Version:=copy(s,p+1,length(s));
i:=1;
repeat
p:=Pos('.',Version);
if p=1 then
Error('invalid version in lpl file name: '+Filename);
if p=0 then p:=length(s)+1;
v:=StrToIntDef(copy(Version,1,p-1),-1);
if v<0 then
Error('invalid version in lpl file name: '+Filename);
case i of
1: Link.Major:=v;
2: Link.Minor:=v;
3: Link.Release:=v;
4: Link.Build:=v;
end;
Version:=copy(Version,p+1,length(Version));
if Version='' then break;
inc(i);
if i>4 then
Error('invalid version in lpl file name: '+Filename)
until false;
// read file
sl:=TStringList.Create;
try
sl.LoadFromFile(Filename);
if sl.Count<1 then
Error('missing file name in lpl file: '+Filename);
Link.PkgFilename:=sl[0];
Link.ExpFilename:=Link.PkgFilename;
Link.InLazarusDir:=CompareText(copy(Link.PkgFilename,1,length(LazDirMacro)),LazDirMacro)=0;
if Link.InLazarusDir then
Link.ExpFilename:=LazarusDir+copy(Link.PkgFilename,length(LazDirMacro)+1,length(Link.PkgFilename));
Link.ExpFilename:=CleanAndExpandFilename(SetDirSeparators(Link.ExpFilename));
finally
sl.Free;
end;
if Verbose then
writeln('TLPLUpdate.ScanLink ',ExtractFileNameOnly(Filename),' in ',Link.PkgFilename);
end;
procedure TLPLUpdate.WriteMissingLinks(Packages: TPackages; Links: TLinks);
// write packages which name is not in the links
var
i: Integer;
Pkg: TPackage;
LinkFilename: String;
begin
for i:=0 to Packages.Count-1 do begin
Pkg:=Packages[i];
if Links.FindLinkWithName(Pkg.Name)<>nil then continue;
if not (Quiet and WriteCommands) then
writeln('Missing link ',Pkg.Name+'-'+Pkg.VersionAsString,' in '+CreateRelativePath(Pkg.Filename,PkgDir));
if WriteCommands then begin
LinkFilename:=CreateRelativePath(LinksDir,LazarusDir)+PathDelim+Pkg.Name+'-'+Pkg.VersionAsString+'.lpl';
writeln('echo ''$(LazarusDir)/'+StringReplace(CreateRelativePath(Pkg.Filename,PkgDir),'\','/',[rfReplaceAll])+''' > '+LinkFilename);
writeln('svn add '+LinkFilename);
end;
end;
end;
procedure TLPLUpdate.WriteLinksWithWrongExpFilename(Packages: TPackages;
Links: TLinks);
var
i: Integer;
Pkg: TPackage;
Link: TLink;
LinkFilename: String;
begin
for i:=0 to Links.Count-1 do begin
Link:=Links[i];
Pkg:=Packages.FindByName(Link.PkgName);
if Pkg=nil then continue;
if (CompareText(ExtractFileNameOnly(Link.ExpFilename),Pkg.Name)<>0)
or (not FileExistsUTF8(Link.ExpFilename)) then begin
LinkFilename:='$(LazarusDir)/'+StringReplace(CreateRelativePath(Pkg.Filename,PkgDir),'\','/',[rfReplaceAll]);
if not (Quiet and WriteCommands) then
writeln('Wrong filename in link ',ExtractFileNameOnly(Link.LPLFilename),' should be '+LinkFilename);
if WriteCommands then begin
writeln('echo ''',LinkFilename+''' > '+Link.LPLFilename);
end;
end;
end;
end;
procedure TLPLUpdate.WriteDeadLinks(Packages: TPackages; Links: TLinks);
// write links that points to non existing packages
var
i: Integer;
Link: TLink;
Pkg: TPackage;
begin
for i:=0 to Links.Count-1 do begin
Link:=Links[i];
Pkg:=Packages.FindByName(Link.PkgName);
if (Pkg=nil) then begin
if not (Quiet and WriteCommands) then begin
if CompareText(Link.PkgName,ExtractFileNameOnly(Link.ExpFilename))=0 then
writeln('Dead link ',ExtractFileNameOnly(Link.LPLFilename),' to missing '+CreateRelativePath(Link.PkgFilename,PkgDir))
else
writeln('Wrong link ',ExtractFileNameOnly(Link.LPLFilename),' to '+CreateRelativePath(Link.PkgFilename,PkgDir));
end;
if WriteCommands then begin
writeln('svn rm ',CreateRelativePath(Link.LPLFilename,LazarusDir));
end;
end;
end;
end;
procedure TLPLUpdate.WriteLinksWithWrongVersion(Packages: TPackages;
Links: TLinks);
// write links with different version than the lpk files
var
i: Integer;
Link: TLink;
j: Integer;
Pkg: TPackage;
begin
for i:=0 to Links.Count-1 do begin
Link:=Links[i];
j:=Packages.Count-1;
while (j>=0) do begin
Pkg:=Packages[j];
if (CompareText(Link.PkgName,Pkg.Name)=0)
and (CompareFilenames(Link.ExpFilename,Pkg.Filename)=0) then begin
if (Link.Major<>Pkg.Major)
or (Link.Minor<>Pkg.Minor)
or (Link.Release<>Pkg.Release)
or (Link.Build<>Pkg.Build)
// ignore build
then begin
if not (Quiet and WriteCommands) then
writeln('Version mismatch link ',ExtractFileNameOnly(Link.LPLFilename),' <> ',Pkg.VersionAsString,' in ',CreateRelativePath(Pkg.Filename,PkgDir));
if WriteCommands then
writeln('svn mv ',CreateRelativePath(Link.LPLFilename,LazarusDir),' ',AppendPathDelim(CreateRelativePath(LinksDir,LazarusDir))+Pkg.Name+'-'+Pkg.VersionAsString+'.lpl');
end;
break;
end;
dec(j);
end;
end;
end;
constructor TLPLUpdate.Create(TheOwner: TComponent);
begin
inherited Create(TheOwner);
StopOnException:=True;
end;
destructor TLPLUpdate.Destroy;
begin
inherited Destroy;
end;
procedure TLPLUpdate.WriteHelp;
begin
writeln;
writeln('Usage: ',ExeName,' -h');
writeln;
writeln('-L <lazarus directory>, --lazarusdir=<dir>');
writeln(' The lazarus source directory.');
writeln(' Default is ',GetDefaultLazarusDir);
writeln;
writeln('-c, --commands');
writeln(' Write shell commands to fix issues.');
writeln(' Hint: use -q -c to get only the commands.');
writeln;
writeln('-p <directory of lpk files>, --pkgdir=<dir>');
writeln(' The directory where to search for lpk files, including sub directories.');
writeln(' Default is ',GetDefaultPkgDirectory);
writeln;
writeln('-l <directory of lpl files> --linksdir=<dir>');
writeln(' The directory where to search for lpl files.');
writeln(' Default is ',GetDefaultLinksDirectory);
writeln;
writeln('-v, --verbose');
writeln;
writeln('-q, --quiet');
writeln;
end;
function TLPLUpdate.GetDefaultLazarusDir: string;
begin
if GetEnvironmentVariableUTF8('LAZARUSDIR')<>'' then
Result:=GetEnvironmentVariableUTF8('LAZARUSDIR')
else begin
Result:=ChompPathDelim(GetCurrentDirUTF8);
if (ExtractFileName(Result)='tools')
and (DirPathExists(ExtractFilePath(Result)+'packager')) then begin
// common mistake: lplupdate started in tools
Result:=ExtractFilePath(Result)
end;
end;
Result:=CleanAndExpandDirectory(Result);
end;
function TLPLUpdate.GetLazarusDir: string;
begin
if LazarusDir<>'' then
Result:=LazarusDir
else
Result:=GetDefaultLazarusDir;
end;
function TLPLUpdate.GetDefaultPkgDirectory: string;
begin
Result:=GetLazarusDir;
end;
function TLPLUpdate.GetDefaultLinksDirectory: string;
begin
Result:=GetLazarusDir+'packager'+PathDelim+'globallinks'+PathDelim;
end;
{ TPackages }
function TPackages.GetPackages(Index: integer): TPackage;
begin
Result:=TPackage(Items[Index]);
end;
function TPackages.IndexByName(PkgName: string): integer;
begin
Result:=Count-1;
while (Result>=0) and (CompareText(PkgName,Packages[Result].Name)<>0) do
dec(Result);
end;
function TPackages.FindByName(PkgName: string): TPackage;
var
i: LongInt;
begin
i:=IndexByName(PkgName);
if i>=0 then
Result:=Packages[i]
else
Result:=nil;
end;
function TPackage.VersionAsString: string;
procedure Add(var s: string; v: integer; Force: boolean = false);
begin
if Force or (v<>0) or (s<>'') then begin
if s<>'' then s:='.'+s;
s:=IntToStr(v)+s;
end;
end;
begin
Result:='';
Add(Result,Build);
Add(Result,Release);
Add(Result,Minor);
Add(Result,Major,true);
end;
{ TLinks }
function TLinks.GetLinks(Index: integer): TLink;
begin
Result:=TLink(Items[Index]);
end;
function TLinks.FindLinkWithName(PkgName: string): TLink;
var
i: Integer;
begin
for i:=0 to Count-1 do begin
Result:=Links[i];
if CompareText(PkgName,Result.PkgName)=0 then exit;
end;
Result:=nil;
end;
var
Application: TLPLUpdate;
begin
Application:=TLPLUpdate.Create(nil);
Application.Run;
Application.Free;
end.