diff options
| author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-08-15 23:23:39 +0000 |
|---|---|---|
| committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-08-15 23:23:39 +0000 |
| commit | 6175ca03be6d0d51359f9017123708987d0f5eb7 (patch) | |
| tree | ecfcf6e79a21b1d25c3f6f42dd68ea0a14add89c /ruby_1_8_5/win32/ifchange.bat | |
| parent | 80a56b248b2e9cfc95622aed98750df05a19f667 (diff) | |
add tag v1_8_5_91v1_8_5_91
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_5_91@13046 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_8_5/win32/ifchange.bat')
| -rwxr-xr-x | ruby_1_8_5/win32/ifchange.bat | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/ruby_1_8_5/win32/ifchange.bat b/ruby_1_8_5/win32/ifchange.bat new file mode 100755 index 0000000000..4fca646ea2 --- /dev/null +++ b/ruby_1_8_5/win32/ifchange.bat @@ -0,0 +1,32 @@ +@echo off
+:: usage: ifchange target temporary
+
+:: check if fc.exe works.
+echo foo > conftest1.tmp
+echo bar > conftest2.tmp
+fc.exe conftest1.tmp conftest2.tmp > nul
+if not errorlevel 1 goto :brokenfc
+del conftest1.tmp > nul
+del conftest2.tmp > nul
+
+:: target does not exist or new file differs from it.
+if not exist %1 goto :update
+fc.exe %1 %2 > nul
+if errorlevel 1 goto :update
+
+:unchange
+echo %1 unchanged.
+del %2
+goto :end
+
+:brokenfc
+del conftest1.tmp > nul
+del conftest2.tmp > nul
+echo FC.EXE does not work properly.
+echo assuming %1 should be changed.
+
+:update
+echo %1 updated.
+if exist %1 del %1
+copy %2 %1 > nul
+:end
|