git repo says it's up-to-date after pull but files are not updated

I have 3 repos. A bare repo which I use as a master repo, a dev repo in which I make and test changes, and prod repo from which scripts are executed in the prod environment.

After I have tested changes in the dev repo I push them to the bare repo and they are auto pulled down into the prod repo on a cronjob using a basic script (carrying out git pull command).

I followed through the above procedure for a change, but the altered file will not update in the prod repo.

The change is checked in and pushed in the dev repo
The pull has been done to the prod repo
The git logs for all repos are identical and all show the checkin for this change
git branch gives me "* master" for all repos
git status for all repos gives me: # On branch master nothing to commit, working directory clean
git pull gives me "Already up-to-date" for the dev & prod repos

Using git extensions for a graphical view, it appears each repo is up to date and at the head.

I've tried:

git checkout HEAD  
git pull origin master  
git reset --hard HEAD  
git reset --hard origin/master  
git reset origin/master

Can anyone help here?

Solution

Try this:

 git fetch --all
 git reset --hard origin/master

Explanation:

git fetch downloads the latest from remote without trying to merge or rebase anything.