Geoffrey Irving noticed that git-cherry talks about comparing commits without
hinting how they are compared.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The changeset (or "diff") of each commit between the fork-point and <head>
is compared against each commit between the fork-point and <upstream>.
+The commits are compared with their 'patch id', obtained from linkgit:git-patch-id[1]
+program.
Every commit that doesn't exist in the <upstream> branch
has its id (sha1) reported, prefixed by a symbol. The ones that have
<limit>::
Do not report commits up to (and including) limit.
+SEE ALSO
+--------
+linkgit:git-patch-id[1]
+
Author
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Written by Junio C Hamano <junkio@cox.net>