* git log -- <old path> not working
@ 2020-06-15 21:25 Ville Syrjälä
2020-06-17 20:18 ` Junio C Hamano
0 siblings, 1 reply; 2+ messages in thread
From: Ville Syrjälä @ 2020-06-15 21:25 UTC (permalink / raw)
To: git
Hi,
Just ran into a strange case with the Linux kernel repo
when trying to look up the history for a file that was
later renamed.
$ git log -- drivers/acpi/configfs.c
-> nothing
$ git log --follow -- drivers/acpi/configfs.c
$ git log --full-history -- drivers/acpi/configfs.c
-> works
First time I've seen this fail. Expected behaviour for
some reason, or a bug?
$ git --version
git version 2.26.2
--
Ville Syrjälä
Intel
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: git log -- <old path> not working
2020-06-15 21:25 git log -- <old path> not working Ville Syrjälä
@ 2020-06-17 20:18 ` Junio C Hamano
0 siblings, 0 replies; 2+ messages in thread
From: Junio C Hamano @ 2020-06-17 20:18 UTC (permalink / raw)
To: Ville Syrjälä; +Cc: git
Ville Syrjälä <ville.syrjala@linux.intel.com> writes:
> $ git log -- drivers/acpi/configfs.c
> -> nothing
>
> $ git log --follow -- drivers/acpi/configfs.c
> $ git log --full-history -- drivers/acpi/configfs.c
> -> works
>
> First time I've seen this fail. Expected behaviour for
> some reason, or a bug?
Expected.
In a history is branchy and mergy,
---O---o---o---o---o---M---x
\ /
o---A---o---B---o
where A, B and possibly M made changes to PATH,
$ git log X -- PATH
may show nothing if the PATH at O and M are identical. This is
described in "History Simplification" section of "git log --help"
^ permalink raw reply [flat|nested] 2+ messages in thread
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2020-06-15 21:25 git log -- <old path> not working Ville Syrjälä
2020-06-17 20:18 ` Junio C Hamano
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