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authorshyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2007-08-29 04:06:12 +0000
committershyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2007-08-29 04:06:12 +0000
commit11dbedfaad4a9a9521ece2198a8dc491678b1902 (patch)
tree4806dc0ff0c3827ecc40921838c4507340cfdb3a /ruby_1_8_6/win32/ifchange.bat
parent29e8d8b439b34c2a394407dc598fc01d14be0c20 (diff)
add tag v1_8_6_5001v1_8_6_5001
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_6_5001@13304 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_8_6/win32/ifchange.bat')
-rwxr-xr-xruby_1_8_6/win32/ifchange.bat32
1 files changed, 32 insertions, 0 deletions
diff --git a/ruby_1_8_6/win32/ifchange.bat b/ruby_1_8_6/win32/ifchange.bat
new file mode 100755
index 0000000000..4fca646ea2
--- /dev/null
+++ b/ruby_1_8_6/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