[ACCEPTED]-Mercurial: diffs in a particular changeset?-mercurial
Revision 2580 isn't necessasrily the parent 6 revision of 2581. It's easy to check if 5 it is, of course, but easier yet is to just 4 do:
hg log -p -r 2581
That compares 2581 to its (first) parent 3 revision no matter what it is, and most 2 clearly encompasses the answer to the question 1 "what the hell did 2581 do?"
Try hg diff -r 2580 -r 2581.
0
hg diff -r 2580 -r 2581
This is a wrong example. The revision 2580 6 can be in another branch and you get diff 5 between two branches.
Use
hg log -p -r 2581
or hg diff -c 2581
The difference 4 between them in the first lines. Hg log 3 also show information about changeset (parent, author, date, ...)
I 2 prefer second variant hg diff -c ... because it can store 1 to patch files.
hg diff -c 2581 > revision_2581.patch
Another solution is to use revset notation 7 which IMO is a better solution as you can 6 use it in more places consistently (ie you 5 don't need to know about diff -c and log -p ).
hg diff -r 'last(ancestors(2581),2)'
Yes that 4 is rather verbose compared to -c (for diff) and 3 -p (for log).
However mercurial allows you 2 to create revset aliases
In your .hgrc:
[revsetalias]
next(s) = descendants(s, 1)
prev(s) = last(ancestors(s),2)
Now you 1 can do
hg diff -r 'prev(2581)'
hg log -r 'prev(2581)'
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