git describe bug?

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	describe does not choose the most recent tag when multiple tags point to a single commit (for example, when an RC release becomes a proper release).

	There's a bit of conflict in the documentation between the following:

		``tags with newer dates will always be preferred over tags with older dates''

	and the next sentence:

		``If an exact match is found, its name will be output and searching will stop.''

	The code does not allow for multiple exact matches, leading to what I would consider incorrect behavior as shown below:


dhcp-103:/tmp/x 1212% git init
Initialized empty Git repository in /private/tmp/x/.git/
dhcp-103:/tmp/x 1213% git config user.email me@xxxxxxxxxxx
dhcp-103:/tmp/x 1214% git commit --allow-empty -m initial
[master (root-commit) 7eb97db] initial
dhcp-103:/tmp/x 1215% git commit --allow-empty -m second
[master 86544e0] second
dhcp-103:/tmp/x 1216% git tag -m first 1.0
dhcp-103:/tmp/x 1217% git describe                      # expect 1.0
1.0
dhcp-103:/tmp/x 1218% git tag -m second 2.0
dhcp-103:/tmp/x 1219% git describe                      # expect 2.0
1.0
dhcp-103:/tmp/x 1220% git show-ref 
86544e0414d9d4bc0767eed1ffe36b655638fe81 refs/heads/master
2594a45768685b7fbf69cf2e2fca087cdf3cbfec refs/tags/1.0
175a0473faa32cacff0b42f165d39a9547025432 refs/tags/2.0
dhcp-103:/tmp/x 1221% git cat-file tag refs/tags/1.0
object 86544e0414d9d4bc0767eed1ffe36b655638fe81
type commit
tag 1.0
tagger Dustin Sallings <me@xxxxxxxxxxx> 1270227996 -0700

first
0.000u 0.001s 0:00.00 0.0%	0+0k 0+0io 0pf+0w
dhcp-103:/tmp/x 1222% git cat-file tag refs/tags/2.0
object 86544e0414d9d4bc0767eed1ffe36b655638fe81
type commit
tag 2.0
tagger Dustin Sallings <me@xxxxxxxxxxx> 1270228008 -0700

second


-- 
Dustin Sallings

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