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Clarify difference between patches and revisions

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Andrea Bedini 2022-03-30 16:46:05 +08:00
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@ -260,8 +260,15 @@ The revised cabal file will enter the index with the timestamp provided in
# Patches
Foliage also supports patches. Any file with `.patch` extension in
`<package>/<version>/patches` will be applied as a patch to the source
tarball before creating the source distribution.
`<package>/<version>/patches` will be applied as a patch to the package
sources.
Patches are applied very early in the process, and they can modify any file
in the source tree. This means one could use a patch to define a new
package version (by changing the version field in the cabal file).
Revisions are independent of patches, a patched cabal file will be subject
to revisions just like the original cabal file.
:warning: It is not possible to "apply a timestamp" to a patch. A patch
changes the content of the source distribution and the repository can only