- 28 12月, 2005 5 次提交
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由 Junio C Hamano 提交于
Even though --all and --tags can be used to include non annotated tags in the reference point candidates, prefer to use annotated tags if there are more than one refs that name the same commit. Signed-off-by: NJunio C Hamano <junkio@cox.net>
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由 Junio C Hamano 提交于
With --tags, not just annontated tags, but also any ref under refs/tags/ are used to name the revision. The number of digits is configurable with the --abbrev=<n> option. Signed-off-by: NJunio C Hamano <junkio@cox.net>
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由 Junio C Hamano 提交于
Just in case 8 hexadecimal digits are not enough. We could use shorter default if we wanted to. Signed-off-by: NJunio C Hamano <junkio@cox.net>
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由 Junio C Hamano 提交于
Often there are references other than annotated tags under refs/tags hierarchy that are used to "keep things just in case". default to use annotated tags only, still leaving the option to use any ref with --all flag. Signed-off-by: NJunio C Hamano <junkio@cox.net>
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由 Linus Torvalds 提交于
It shows you the most recent tag that is reachable from a particular commit is. Maybe this is something that "git-name-rev" should be taught to do, instead of having a separate command for it. Regardless, I find it useful. What it does is to take any random commit, and "name" it by looking up the most recent commit that is tagged and reachable from that commit. If the match is exact, it will just print out that ref-name directly. Otherwise it will print out the ref-name, followed by the 8-character "short SHA". IOW, with something like Junios current tree, I get: [torvalds@g5 git]$ git-describe parent refs/tags/v1.0.4-g2414721b ie the current head of my "parent" branch (ie Junio) is based on v1.0.4, but since it has a few commits on top of that, it has added the git hash of the thing to the end: "-g" + 8-char shorthand for the commit 2414721b. Doing a "git-describe" on a tag-name will just show the full tag path: [torvalds@g5 git]$ git-describe v1.0.4 refs/tags/v1.0.4 unless there are _other_ tags pointing to that commit, in which case it will just choose one at random. This is useful for two things: - automatic version naming in Makefiles, for example. We could use it in git itself: when doing "git --version", we could use this to give a much more useful description of exactly what version was installed. - for any random commit (say, you use "gitk <pathname>" or "git-whatchanged" to look at what has changed in some file), you can figure out what the last version of the repo was. Ie, say I find a bug in commit 39ca371c45b04cd50d0974030ae051906fc516b6, I just do: [torvalds@g5 linux]$ git-describe 39ca371c45b04cd50d0974030ae051906fc516b6 refs/tags/v2.6.14-rc4-g39ca371c and I now know that it was _not_ in v2.6.14-rc4, but was presumably in v2.6.14-rc5. The latter is useful when you want to see what "version timeframe" a commit happened in. Signed-off-by: NLinus Torvalds <torvalds@osdl.org> Signed-off-by: NJunio C Hamano <junkio@cox.net>
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