* common.mk (REVISION_H): keeps timestamp of revision.h.

  [ruby-core:22900]

* tool/ifchange, win32/ifchange.bat: extended --timestamp option.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@22974 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 15 insertions, 7 deletions

diff --git a/win32/ifchange.bat b/win32/ifchange.bat
index 9f6092747..24e4987c5 100755
--- a/win32/ifchange.bat
+++ b/win32/ifchange.bat
@@ -1,13 +1,20 @@
 @echo off

 :: usage: ifchange target temporary

 

-if "%1" == "" goto :end

-

 set timestamp=

-if "%1" == "--timestamp" (

-    set timestamp=yes

+:optloop

+for %%I in (%1) do set opt=%%~I

+if "%opt%" == "--timestamp" (

+    set timestamp=.

+    shift

+    goto :optloop

+) else if "%opt:~0,12%" == "--timestamp=" (

+    set timestamp=%opt:~12%

     shift

+    goto :optloop

 )

+if "%opt%" == "" goto :end

+

 set dest=%1

 set src=%2

 set dest=%dest:/=\%

@@ -63,7 +70,8 @@ del %src%
 

 :nt_end

 if "%timestamp%" == "" goto :end

-    for %%I in ("%dest%") do set timestamp=%%~dpI\.time.%%~nxI

-    if not exist "%timestamp%" copy nul "%timestamp%" > nul

-    goto :end >> "%timestamp%"

+    if "%timestamp%" == "." (

+        for %%I in ("%dest%") do set timestamp=%%~dpI.time.%%~nxI

+    )

+    goto :end > "%timestamp%"

 :end