NSIS: Convert line endings on the fly during installation

1 files changed, 85 insertions, 19 deletions

diff --git a/dists/win32/scummvm.nsi b/dists/win32/scummvm.nsi
index 50ccadaf74..c5b6100b88 100644
--- a/dists/win32/scummvm.nsi
+++ b/dists/win32/scummvm.nsi
@@ -18,7 +18,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
-#!define _DEBUG
+!define _DEBUG
 #!define _INCLUDE_DATA_FILES
 
 Name ScummVM
@@ -31,8 +31,7 @@ Name ScummVM
 #########################################################################################
 
 #!define top_srcdir   ""
-#!define build_dir    ""
-#!define text_dir     ""
+#!define staging_dir    ""
 #!define ARCH         ""    ;(optional, defaults to win32)
 
 # Check parameters
@@ -40,12 +39,8 @@ Name ScummVM
 	!error "Top source folder has not been passed to command line!"
 !endif
 
-!ifndef build_dir
-	!error "Build folder has not been passed to command line (this folder should contain the executable and linked DLLs)!"
-!endif
-
-!ifndef text_dir
-	!error "Text folder has not been passed to command line (this folder should contain all the text files used by the installer)!"
+!ifndef staging_dir
+	!error "Staging folder has not been passed to command line (this folder should contain the executable and linked DLLs)!"
 !endif
 
 !ifndef ARCH
@@ -72,7 +67,7 @@ Name ScummVM
 #########################################################################################
 # Installer configuration
 #########################################################################################
-OutFile          ${build_dir}\scummvm-${VERSION}-${ARCH}.exe
+OutFile          ${staging_dir}\scummvm-${VERSION}-${ARCH}.exe
 InstallDir       $PROGRAMFILES\ScummVM                            ; Default installation folder
 InstallDirRegKey HKCU "Software\ScummVM\ScummVM" "InstallPath"    ; Get installation folder from registry if available
                                                                   ; The application name needs to be refered directly instead of through ${REGKEY}
@@ -224,13 +219,26 @@ Section "ScummVM" SecMain
 	SetOverwrite on
 
 	# Text files
-	File /oname=AUTHORS.txt      "${text_dir}\AUTHORS"
-	File /oname=COPYING.LGPL.txt "${text_dir}\COPYING.LGPL"
-	File /oname=COPYING.txt      "${text_dir}\COPYING"
-	File /oname=COPYRIGHT.txt    "${text_dir}\COPYRIGHT"
-	File /oname=NEWS.txt         "${text_dir}\NEWS"
-	File /oname=README.txt       "${text_dir}\README"
-	File /oname=README-SDL.txt   "${build_dir}\README-SDL"
+	File /oname=AUTHORS.txt      "${top_srcdir}\AUTHORS"	
+	File /oname=COPYING.LGPL.txt "${top_srcdir}\COPYING.LGPL"
+	File /oname=COPYING.txt      "${top_srcdir}\COPYING"
+	File /oname=COPYRIGHT.txt    "${top_srcdir}\COPYRIGHT"
+	File /oname=NEWS.txt         "${top_srcdir}\NEWS"
+	File /oname=README.txt       "${top_srcdir}\README"
+	
+	# Convert line endings
+	Push "$INSTDIR\AUTHORS.txt"
+	Call unix2dos	
+	Push "$INSTDIR\COPYING.LGPL.txt"
+	Call unix2dos	
+	Push "$INSTDIR\COPYING.txt"
+	Call unix2dos	
+	Push "$INSTDIR\COPYRIGHT.txt"
+	Call unix2dos	
+	Push "$INSTDIR\NEWS.txt"
+	Call unix2dos	
+	Push "$INSTDIR\README.txt"
+	Call unix2dos
 
 !ifdef _INCLUDE_DATA_FILES
 	# Engine data
@@ -253,8 +261,8 @@ Section "ScummVM" SecMain
 !endif
 
 	# Main exe and dlls
-	File "${build_dir}\scummvm.exe"
-	File "${build_dir}\SDL.dll"
+	File "${staging_dir}\scummvm.exe"
+	File "${staging_dir}\SDL.dll"
 
 	WriteRegStr HKCU "${REGKEY}" InstallPath "$INSTDIR"    ; Store installation folder
 SectionEnd
@@ -354,3 +362,61 @@ Function un.onInit
 	ReadRegStr   $INSTDIR HKCU "${REGKEY}" InstallPath
 	!insertmacro MUI_STARTMENU_GETFOLDER Application $StartMenuGroup
 FunctionEnd
+
+
+#########################################################################################
+# Helper functions
+#########################################################################################
+
+;-------------------------------------------------------------------------------
+; strips all CRs and then converts all LFs into CRLFs
+; (this is roughly equivalent to "cat file | dos2unix | unix2dos")
+;
+; Usage:
+;	Push "infile"
+;	Call unix2dos
+;
+; Note: this function destroys $0 $1 $2
+Function unix2dos
+	ClearErrors
+
+	Pop $2
+	Rename $2 $2.U2D
+	FileOpen $1 $2 w
+
+	FileOpen $0 $2.U2D r
+
+	Push $2 ; save name for deleting
+
+	IfErrors unix2dos_done
+
+	; $0 = file input (opened for reading)
+	; $1 = file output (opened for writing)
+
+unix2dos_loop:
+	; read a byte (stored in $2)
+	FileReadByte $0 $2
+	IfErrors unix2dos_done ; EOL
+	; skip CR
+	StrCmp $2 13 unix2dos_loop
+	; if LF write an extra CR
+	StrCmp $2 10 unix2dos_cr unix2dos_write
+
+unix2dos_cr:
+	FileWriteByte $1 13
+
+unix2dos_write:
+	; write byte
+	FileWriteByte $1 $2
+	; read next byte
+	Goto unix2dos_loop
+
+unix2dos_done:
+	; close files
+	FileClose $0
+	FileClose $1
+
+	; delete original
+	Pop $0
+	Delete $0.U2D
+FunctionEnd