Applies a diff file to originals. ; requires "patch" to be on the execution path.
| Attribute | Description | Required |
| patchfile | the file that includes the diff output | Yes |
| originalfile | the file to patch | No, tries to guess it from the diff file |
| destfile | the file to send the output to instead of patching the file(s) in place. since Apache Ant 1.6 | No. |
| backups | Keep backups of the unpatched files | No |
| quiet | Work silently unless an error occurs | No |
| reverse | Assume patch was created with old and new files swapped. | No |
| ignorewhitespace | Ignore whitespace differences. | No |
| strip | Strip the smallest prefix containing num leading slashes from filenames. | No |
| dir | The directory in which to run the patch command. | No, default is the project's basedir. |
| failonerror | Stop the buildprocess if the command exits with a return code signaling failure. Defaults to false. since Ant 1.8.0 | No |
<patch patchfile="module.1.0-1.1.patch"/>
applies the diff included in module.1.0-1.1.patch to the files in base directory guessing the filename(s) from the diff output.
<patch patchfile="module.1.0-1.1.patch" strip="1"/>
like above but one leading directory part will be removed. i.e. if the diff output looked like
--- a/mod1.0/A Mon Jun 5 17:28:41 2000 +++ a/mod1.1/A Mon Jun 5 17:28:49 2000the leading a/ will be stripped.