Re: Feature request on git log --oneline <revision range> -- <path>...

From: Duy Nguyen <pclouds@gmail.com>
Date: Feb 13, 2019, 12:31 UTC
Message-ID: <CACsJy8D2B_6yvBAQSeh3gvYHLOdfLmgiZ5Z=f4ZGeJ891X4Zjw@mail.gmail.com>
In-Reply-To: <CAGXr9JHb1hjtMamdWt=oDg_eeBEuiDcbzAx+1XpV+HvvX1xsaA@mail.gmail.com>

On Wed, Feb 13, 2019 at 4:27 PM Petri Gynther <pgynther@google.com> wrote:

Show 33 quoted lines

>
> git developers:
>
> Small feature request on:
> git log --oneline <revision range> -- <path>...
>
> Could we add an option to:
> 1) display all commits in <revision range> unconditionally
> 2) use a special marker (e.g. star) for commits that touch <path>...
> and list the files from <path>... that this commit modified
>
> Sample output:
> git log --oneline (--annotated?) HEAD~5..HEAD -- Makefile kernel/printk/printk.c
>
>   aaaabbbbccc1 uninteresting commit 1
> * aaaabbbbccc2 fix Makefile
>     Makefile
>   aaaabbbbccc3 uninteresting commit 2
> * aaaabbbbccc4 fix Makefile and printk()
>     Makefile
>     kernel/printk/printk.c
>   aaaabbbbccc5 uninteresting commit 3
>
> In other words:
> - commits that don't touch <path>... are still listed (without special markers)
> - commits that touch <path>... are listed with * prefix, and the files
> from <path>... that the commit modified are listed below the commit
>
> This is very useful for kernel LTS merges, when we want to know which
> LTS patches in the merge chain actually touched the files that matter
> for a specific build target.
>
> Is this an easy add-on to git log?

Adding the "*" is not that hard, I think. The hard part is UI. Soon somebody may want to "list commits touching sub/ then add "*" on ones that touch sub/dir/". Meanwhile I think you can still achieve that with a bit of scripting and processing "git log --raw --oneline <revisions>" output.

-- 
Duy