From: Tomas Carnecky Date: Tue, 22 Dec 2009 12:23:25 GMT Subject: Re: Where did Documentation/perf_counter disappear from linux-2.6-tip.git ? Message-ID: <4B30BA3D.2080305@gmail.com> In-Reply-To: <6b08a1ab.3349a908.4b30b80f.ab91f@o2.pl> On 12/22/09 1:14 PM, Daniel wrote: > Dnia 22 grudnia 2009 11:04 Tomas Carnecky napisaƂ(a): > >> $ git --version >> git version 1.6.6.rc4 >> >> # Documentation/perf_counter is missing from the master branch, so first >> let's find >> # out what the last commit was that touched that subdirectory: >> $ git log --all -1 -- Documentation/perf_counter >> commit 436224a6d8bb3e29fe0cc18122f8d1f593da67b8 >> Author: Peter Zijlstra >> Date: Tue Jun 2 21:02:36 2009 +0200 >> ... >> M Documentation/perf_counter/builtin-report.c >> >> # Great, let's look in which branch that commit is >> $ git branch --contains 436224a6d8bb3e29fe0cc18122f8d1f593da67b8 >> * master >> >> # So, let's look at the log of master and limit it to that subdirectory: >> $ git log master -- Documentation/perf_counter >> $ >> >> # Damn, that doesn't make any sense. In commit 43622 there were files in >> that subdirectory, in master they have gone missing and yet log doesn't >> show any commit touching that subdirectory? >> # Let's try something different: >> $ git log --diff-filter=D --name-status --all -- Documentation/perf_counter >> ... >> >> # Ah, now we're getting somewhere, but still no sight of a commit which >> removed for example Documentation/perf_counter/.gitignore >> # I'm sure I'm probably just missing a tiny little switch for git-log. I >> also tried other combination of name-status, diff-filter etc, but soon >> after gave up. >> >> tom >> -- > Try > > $ git log --follow -- Documentation/perf_counter > Ah, that did the trick: 86470930, perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/ However, that still doesn't answer my question why a simple git log doesn't show the commits. There are commits which touch that subdirectory, so why is a list of 'commits which touch that subdirectory' empty? Or am I misunderstanding what 'git log -- dir/' is supposed to do? I thought it did exactly that. tom