[OpenWrt-Devel] SVN to GIT transition
nbd at openwrt.org
Mon Oct 12 17:53:57 EDT 2015
On 2015-10-12 23:18, Bruno Randolf wrote:
> On 10/12/2015 03:22 PM, Felix Fietkau wrote:
>>>> When using tags as a starting point (via git describe), somebody has to
>>>> create those tags, which is cumbersome (and would mean adding lots of
>>>> useless ones).
>>> What's cumbersome? And why would you have to create useless tags?
>> Many people follow current trunk, and we need to have precise version
>> information for that when they report a bug. We don't want to regularly
>> tag stuff just to keep reported version information up to date.
> You don't need to. Try this in your OpenWRT trunk git repo:
> git tag -a r 753606a51c979440e10771f0d11494b7b7c1eac2
> (Tagging the very first commit with "r".)
> Now do:
> git describe
> If you prefer, cut the last part and get "r-35387".
> Looks familiar? Now you even have real linear numbering in each branch,
> without the gaps you get when committing to different branches in SVN +
> the unique hash. Need to look up the commit? Use the hash (g83c5a41).
> Of course "r" is just an example to show the familiarity with SVN
> revisions, you could choose whatever seems fit, for example at this
> moment it would make sense to tag the moment when 15.05 was branched off
> from trunk as "dd", then you'd get "dd-number-hash" in trunk and
> "15.05-66-g66620f5" in the 15.05 branch (you actually do, just need to
> use "git describe --tags" because the tag was not created with -a).
That looks quite interesting. The issue I see with that is if somebody
adds a local commit on top and builds the tree, the number behind 'r' is
misleading and the hash is useless.
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