Re: Creating remote branch called HEAD corrupts remote clones

On Wed, Apr 27, 2011 at 11:48 AM, Felipe Contreras <felipe.contreras@gmail.com> wrote:

I had another go.

mkdir remote cd remote/ git init --bare cd ../ git clone remote/ alice cd alice/ echo test >> file git add file git commit -am w git push origin master echo test >> file git commit -am w git branch HEAD git push origin HEAD git push cd .. git clone remote bob cd bob/ git branch git pull --rebase echo test >> file git commit -am w git push git pull git pull git pull echo test >> file git commit -am w git push cd ../alice git branch git status echo test >> file git commit -am w git push echo test2 >> file git commit -am w git push git pull echo test3 >> file git commit -am w git status git push gitk

stephen@bishop:/tmp/git$ mkdir remote

stephen@bishop:/tmp/git$ cd remote/

stephen@bishop:/tmp/git/remote$ git init --bare Initialized empty Git repository in /tmp/git/remote/

stephen@bishop:/tmp/git/remote$ cd ../

stephen@bishop:/tmp/git$ git clone remote/ alice Cloning into alice... done. warning: You appear to have cloned an empty repository.

stephen@bishop:/tmp/git$ cd alice/

stephen@bishop:/tmp/git/alice$ echo test >> file

stephen@bishop:/tmp/git/alice$ git add file

stephen@bishop:/tmp/git/alice$ git commit -am w
[master (root-commit) 072df32] w
 1 files changed, 1 insertions(+), 0 deletions(-)
 create mode 100644 file

stephen@bishop:/tmp/git/alice{master}$ git push origin master
Counting objects: 3, done.
Writing objects: 100% (3/3), 210 bytes, done.
Total 3 (delta 0), reused 0 (delta 0)
Unpacking objects: 100% (3/3), done.
To /tmp/git/remote/
 * [new branch]      master -> master

stephen@bishop:/tmp/git/alice{master}$ echo test >> file

stephen@bishop:/tmp/git/alice{master}$ git commit -am w
[master b39d099] w
 1 files changed, 1 insertions(+), 0 deletions(-)

stephen@bishop:/tmp/git/alice{master}$ git branch HEAD

stephen@bishop:/tmp/git/alice{master}$ git push origin HEAD
Counting objects: 5, done.
Writing objects: 100% (3/3), 242 bytes, done.
Total 3 (delta 0), reused 0 (delta 0)
Unpacking objects: 100% (3/3), done.
To /tmp/git/remote/
 * [new branch]      HEAD -> HEAD

stephen@bishop:/tmp/git/alice{master}$ git push Everything up-to-date

stephen@bishop:/tmp/git/alice{master}$ cd ..

stephen@bishop:/tmp/git$ git clone remote bob Cloning into bob... done.

stephen@bishop:/tmp/git$ cd bob/

stephen@bishop:/tmp/git/bob{master}$ git pull --rebase
From /tmp/git/remote
   072df32..b39d099  HEAD       -> origin/HEAD
Current branch master is up to date.

stephen@bishop:/tmp/git/bob{master}$ echo test >> file

stephen@bishop:/tmp/git/bob{master}$ git commit -am w
[master b39d099] w
 1 files changed, 1 insertions(+), 0 deletions(-)

stephen@bishop:/tmp/git/bob{master}$ git push
Total 0 (delta 0), reused 0 (delta 0)
To /tmp/git/remote
   072df32..b39d099  HEAD -> master

stephen@bishop:/tmp/git/bob{master}$ git pull Current branch master is up to date.

stephen@bishop:/tmp/git/bob{master}$ git pull Current branch master is up to date.

stephen@bishop:/tmp/git/bob{master}$ git pull Current branch master is up to date.

stephen@bishop:/tmp/git/bob{master}$ echo test >> file

stephen@bishop:/tmp/git/bob{master}$ git commit -am w
[master 47699a9] w
 1 files changed, 1 insertions(+), 0 deletions(-)

stephen@bishop:/tmp/git/bob{master}$ git push
Counting objects: 5, done.
Writing objects: 100% (3/3), 240 bytes, done.
Total 3 (delta 0), reused 0 (delta 0)
Unpacking objects: 100% (3/3), done.
To /tmp/git/remote
   b39d099..47699a9  HEAD -> master

stephen@bishop:/tmp/git/bob{master}$ cd ../alice

stephen@bishop:/tmp/git/alice{master}$ git branch
  HEAD
* master

stephen@bishop:/tmp/git/alice{master}$ git status warning: refname 'HEAD' is ambiguous. warning: refname 'HEAD' is ambiguous. # On branch master # Your branch is ahead of 'origin/master' by 1 commit. # nothing to commit (working directory clean)

stephen@bishop:/tmp/git/alice{master}$ echo test >> file

stephen@bishop:/tmp/git/alice{master}$ git commit -am w
warning: refname 'HEAD' is ambiguous.
warning: refname 'HEAD' is ambiguous.
warning: refname 'HEAD' is ambiguous.
[master 7e83bed] w
 1 files changed, 1 insertions(+), 0 deletions(-)

stephen@bishop:/tmp/git/alice{master}$ git push Everything up-to-date

stephen@bishop:/tmp/git/alice{master}$ echo test2 >> file

stephen@bishop:/tmp/git/alice{master}$ git commit -am w
warning: refname 'HEAD' is ambiguous.
warning: refname 'HEAD' is ambiguous.
warning: refname 'HEAD' is ambiguous.
[master b4f5b5b] w
 1 files changed, 1 insertions(+), 0 deletions(-)

stephen@bishop:/tmp/git/alice{master}$ git push Everything up-to-date

stephen@bishop:/tmp/git/alice{master}$ git pull
warning: refname 'HEAD' is ambiguous.
warning: refname 'HEAD' is ambiguous.
warning: refname 'HEAD' is ambiguous.
warning: refname 'HEAD' is ambiguous.
remote: Counting objects: 5, done.
remote: Total 3 (delta 0), reused 0 (delta 0)
Unpacking objects: 100% (3/3), done.
From /tmp/git/remote
   072df32..47699a9  master     -> origin/master
warning: refname 'HEAD' is ambiguous.
warning: refname 'HEAD' is ambiguous.
warning: refname 'HEAD' is ambiguous.
First, rewinding head to replay your work on top of it...
warning: refname 'HEAD' is ambiguous.
warning: refname 'HEAD' is ambiguous.
Applying: w
warning: refname 'HEAD' is ambiguous.
warning: refname 'HEAD' is ambiguous.

stephen@bishop:/tmp/git/alice{master}$ echo test3 >> file

stephen@bishop:/tmp/git/alice{master}$ git commit -am w
warning: refname 'HEAD' is ambiguous.
warning: refname 'HEAD' is ambiguous.
warning: refname 'HEAD' is ambiguous.
[master cc2088e] w
 1 files changed, 1 insertions(+), 0 deletions(-)

stephen@bishop:/tmp/git/alice{master}$ git status warning: refname 'HEAD' is ambiguous. warning: refname 'HEAD' is ambiguous. # On branch master # Your branch is ahead of 'origin/master' by 2 commits. # nothing to commit (working directory clean)

stephen@bishop:/tmp/git/alice{master}$ git push Everything up-to-date

stephen@bishop:/tmp/git/alice{master}$

stephen@bishop:/tmp/git/alice{master}$ git --version git version 1.7.4.1