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-rw-r--r--doc/diffpkg.1.asciidoc13
1 files changed, 10 insertions, 3 deletions
diff --git a/doc/diffpkg.1.asciidoc b/doc/diffpkg.1.asciidoc
index e95fa43..3fc0f00 100644
--- a/doc/diffpkg.1.asciidoc
+++ b/doc/diffpkg.1.asciidoc
@@ -7,15 +7,22 @@ diffpkg - Compare package files using different modes.
Synopsis
--------
-diffpkg [OPTIONS] [MODES]
+diffpkg [OPTIONS] [MODES] [FILE|PKGNAME...]
Description
-----------
Searches for a locally built package corresponding to the PKGBUILD, and
downloads the last version of that package from the Pacman repositories.
-It then compares them using different modes while using simple tar
-content list by default.
+It then compares the package archives using different modes while using
+simple tar content list by default.
+
+When given one package, use it to diff against the locally built one.
+When given two packages, diff both packages against each other.
+
+In either case, a package name will be converted to a filename from the
+cache, and diffpkg will proceed as though this filename was initially
+specified.
Options
-------