git diff using change IDs

[ms]

I need to find the difference between two branches by gerrit Change IDs, not by files or commit IDs. I mean, the commits which are not in one branch.

Is there any way to get the diff by gerrit change IDs??

[Alex Blewitt]

You can fetch the changes which is shown on the change screen and then use standard diff tools to process them. The refs look like refs/change/12/1234 iirc. 

Sent from my iPad

On 18 Apr 2015, at 14:43, ms <mrutyunj...@gmail.com> wrote:

I need to find the difference between two branches by gerrit Change IDs, not by files or commit IDs. I mean, the commits which are not in one branch.

Is there any way to get the diff by gerrit change IDs??

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[ms]

Will it work for "Change ID" ?? don't want to use  commit/SHA1 IDs. and want to calculate the diff between two branches. 

[Magnus Bäck]

On Sunday, April 19, 2015 at 08:49 CEST,

ms <mrutyunj...@gmail.com> wrote:

> Will it work for "Change ID" ?? don't want to use commit/SHA1 IDs.
> and want to calculate the diff between two branches.

Git doesn't know anything about change IDs. It only knows about refs
and SHA-1s. You can easily look up change IDs and get refs and SHA-1s.
This indirection shouldn't be a problem.

By the way, your original question,

> I need to find the difference between two branches by gerrit Change
> IDs, not by files or commit IDs. I mean, the commits which are not
> in one branch.

doesn't quite make sense. Change IDs don't identify branches, they
identify commits. So it's actually commits you want to compare?

--
Magnus Bäck | Software Engineer, Development Tools
magnu...@sonymobile.com | Sony Mobile Communications

[Sven Selberg]

Den måndag 20 april 2015 kl. 08:31:18 UTC+2 skrev Magnus Bäck:

On Sunday, April 19, 2015 at 08:49 CEST,
     ms <mrutyunj...@gmail.com> wrote:

> Will it work for "Change ID" ?? don't want to use  commit/SHA1 IDs.
> and want to calculate the diff between two branches.

Git doesn't know anything about change IDs. It only knows about refs
and SHA-1s. You can easily look up change IDs and get refs and SHA-1s.
This indirection shouldn't be a problem.

By the way, your original question,

> I need to find the difference between two branches by gerrit Change
> IDs, not by files or commit IDs. I mean, the commits which are not
> in one branch.

doesn't quite make sense. Change IDs don't identify branches, they
identify commits. So it's actually commits you want to compare?

 

Even  worse:

Change IDs don't even identity commit's it identifies Changes, so you could have several commits with the same Change ID.

/Sven