On Mon, 2020-09-28 at 19:11 +0200, Julia Lawall wrote:
>
> On Mon, 28 Sep 2020, Joe Perches wrote:
>
> > On Sun, 2020-09-27 at 21:12 +0200, Julia Lawall wrote:
> > > Replace commas with semicolons. What is done is essentially described by
> > > the following Coccinelle semantic patch (http://coccinelle.lip6.fr/):
> >
> > Hi Julia.
> >
> > How did you decide on this patch subject header line?
> >
> > It's certainly reasonable, but not what I would expect
> > from any automation.
>
> Most of the patches on this file touch other files as well. There are
> four that only touch this file. One has no subsystem. One has dma as the
> subsystem. Two have pata_icside, so that was chosen.
So did you select the patch subject without any automation
or did you create a tool that looks only at commits for
individual files?
> > $ git log --no-merges --format='%s' drivers/ata/pata_icside.c | \
> > cut -f1 -d":" | sort | uniq -c | sort -rn
> > 10 libata
> > 5 libata-sff
> > 2 [ARM] pata_icside
> > 2 [ARM] ecard
> > 2 [ARM] dma
Yeah...
Something like the script below and some examples of its use?
$ cat find_best_header.sh
#!/bin/bash
# Show possible patch subject prefixes for a file in git
# use commits that modify only the single file argument and
# emit up to the 5 most common commit prefixes
git log --no-merges --format='%h' -- $1 |
while read commit ; do
if [[ $(git log --format='%h' --name-only -1 $commit | wc -l) == 3 ]] ;
then
git log --format='%s' -1 $commit
fi
done |
cut -f1 -d":" | cut -f1-3 -d" " | sort | uniq -c | sort -rn | head -5
$ ./find_best_header.sh drivers/ata/pata_icside.c
2 [ARM] pata_icside
1 Fix pata_icside build
1 [ARM] dma
$ ./find_best_header.sh kernel/fork.c
36 fork
14 kernel/fork.c
6 mm
4 pidns
4 [PATCH] unshare system
$ ./find_best_header.sh kernel/sched/core.c
150 sched
110 sched/core
12 sched/uclamp
12 sched/debug
10 sched/deadline
$ ./find_best_header.sh drivers/iio/pressure/mpl115.c
3 iio
