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I have a repo where I'm seeing behavior that I don't understand.

Ill refer to the repo that this is occuring on as the 'bad repo', all of the following sequences were run on that one.

It doesn't matter what commit I reset to, same conflicting behavior. The files it reports as conflicting seem to be the ones that were changed in the commit I reset to.

1) Sequence 2 is only happening on the 'bad repo', the same sequence of commands results in no conflicts on a fresh clone, or any one else's. What is it about the one persons repo could be causing this?

2) Why would adding an arbitrary file in sequence 2 cause the pull --rebase to conflict? It worked fine as in sequence 1 when there was no changes.

3) Basically, I don't understand why sequence 2 is causing conflicts, given that 1,3,4 all work fine.

.git/config has:

[branch "media"]
    remote = origin
    merge = refs/heads/media

Here are the sequences of commands I'm running and the results:

Sequence 1(reset and pull)

$ git reset --hard 68a170d
HEAD is now at 68a170d Fixes issues with nested attribute sites

$ git status
# On branch media
# Your branch is behind 'origin/media' by 7 commits, and can be fast-forwarded.
#
nothing to commit (working directory clean)

$ git pull --rebase
First, rewinding head to replay your work on top of it...
Fast-forwarded media to 4c7d9cf046368d4c7770d3b590bf3c1d1f14d480.

Sequence 2(reset add file pull)

$ git reset --hard 68a170d
HEAD is now at 68a170d Fixes issues with nested attribute sites

$ touch someblahrandomfile
$ git add someblahrandomfile
$ git commit -m 'blah'
[media 9bf2bfb] blah
 0 files changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 someblahrandomfile

$ git status
# On branch media
# Your branch and 'origin/media' have diverged,
# and have 1 and 7 different commit(s) each, respectively.
#
nothing to commit (working directory clean)

$ git pull --rebase
First, rewinding head to replay your work on top of it...
Applying: Fixed verify methods
Using index info to reconstruct a base tree...
Falling back to patching base and 3-way merge...
Auto-merging app/controllers/jet_controller.rb
Auto-merging app/models/claim.rb
Auto-merging app/models/site.rb
Auto-merging app/models/user.rb
CONFLICT (content): Merge conflict in app/models/user.rb
Failed to merge in the changes.
Patch failed at 0001 Fixed verify methods

When you have resolved this problem run "git rebase --continue".
If you would prefer to skip this patch, instead run "git rebase --skip".
To restore the original branch and stop rebasing run "git rebase --abort".

Sequence 3(reset add file pull with extra params)

$ git reset --hard 68a170d
HEAD is now at 68a170d Fixes issues with nested attribute sites

$ touch zz
$ git add zz
$ git commit -m 'blah4'
[media c79214d] blah4
 0 files changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 zz

$ git status
# On branch media
# Your branch and 'origin/media' have diverged,
# and have 1 and 7 different commit(s) each, respectively.
#
nothing to commit (working directory clean)

$ git pull --rebase -- origin media
 * branch            media      -> FETCH_HEAD
First, rewinding head to replay your work on top of it...
Applying: blah4

Sequence 4(reset and rebase)

$ git reset --hard 68a170d
HEAD is now at 68a170d Fixes issues with nested attribute sites

$ touch vv
$ git add vv
$ git commit -m 'blah7'
[media 6c3f42b] blah7
 0 files changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 vv

$ git status
# On branch media
# Your branch and 'origin/media' have diverged,
# and have 1 and 7 different commit(s) each, respectively.
#
nothing to commit (working directory clean)

$ git rebase origin/media
First, rewinding head to replay your work on top of it...
Applying: blah7

Additional Info

a) The bad repo is on a Mac osx 10.6.4
b) Git 1.7.1
c)

color.branch=auto
color.diff=auto
color.status=auto
color.branch.current=yellow reverse
color.branch.local=yellow
color.branch.remote=green
color.diff.meta=yellow bold
color.diff.frag=magenta bold
color.diff.old=red bold
color.diff.new=green bold
color.status.added=yellow
color.status.changed=green
color.status.untracked=cyan
merge.tool=opendiff
mergetool.tool=opendiff
difftool.difftool=opendiff
gui.recentrepo=/git/MYREPO
user.name=USER
user.email=EMAIL
alias.wtf=git-wtf
alias.lg=log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr)%Creset' --abbrev-commit --date=relative
core.repositoryformatversion=0
core.filemode=true
core.bare=false
core.logallrefupdates=true
core.ignorecase=true
remote.origin.fetch=+refs/heads/*:refs/remotes/origin/*
remote.origin.url=URL
branch.master.remote=origin
branch.master.merge=refs/heads/master
branch.media.remote=origin
branch.media.merge=refs/heads/media

Update 2 (first set of >>> should be pointing the other way but couldn't get them displaying correctly)

$ git diff
diff --cc app/models/user.rb
index e1c31e2,f4923e6..0000000
--- a/app/models/user.rb
+++ b/app/models/user.rb

    has_many :coupon_codes
    accepts_nested_attributes_for :coupon_codes

 >>>>>>> HEAD
 =======
    has_many :sites, :dependent => :destroy
    accepts_nested_attributes_for :sites, :allow_destroy => true

 >>>>>>> Fixed verify methods