git diff between file in local repo and origin

Question

I want to find the differences between a file I have in my local repo vs what is in the origin master   I know that there is git diff  however I just want to isolate it down to this one particular file   For simplicity lets say the file is named file1 txt and it has a local file path    local path  and in the origin it has filepath    remote-path    What would be the git command I need to type    EDIT  Thank you all for your input it has been very insightful  For those that are using Eclipse  which I am and I should have stated earlier  I just found out that you can just rightclick -  Compare With -  Branch  Tag or Reference -  select appropriate version and there you go

User · Answer

To check with current branch  git diff -- projects components some component ts     origin git diff -- projects components some component html     origin  To check with some other branch say staging  git diff -- projects components some component ts     origin staging git diff -- projects components some component html     origin staging

User · Answer

For that I wrote a bash script    set -x  branchname  git branch   grep -F        awk   print  2    echo  branchname git fetch origin   branchname  for file in  git status   awk   if   1     modified    print  2     do echo  PLEASE CHECK OUT GIT DIFF FOR   file  git difftool  FETCH HEAD  file   done   In the above script  I fetch the remote main branch  not necessary its master branch ANY branch  to FETCH HEAD  then make a list of my modified file only and compare modified files to git difftool   There are many difftool supported by git  I configured Meld Diff Viewer for good GUI comparison  From the above script  I have prior knowledge what changes done by other teams in same file  before I follow git stages untrack-- gt staged-- gt commit which help me to avoid unnecessary resolve merge conflict with remote team or make new local branch and compare and merge on the main branch

User · Answer

To compare local repository with remote one  simply use the below syntax   git diff   upstream

User · Answer

To view the differences going from the remote file to the local file   git diff remotename branchname remote path file1 txt local path file1 txt   To view the differences in the other direction   git diff HEAD local path file1 txt remotename branchname remote path file1 txt   Basically you can diff any two files anywhere using this notation   git diff ref1 path to file1 ref2 path to file2   As usual  ref1 and ref2 could be branch names  remotename branchname  commit SHAs  etc

User · Answer

I tried a couple of solution but I thing easy way like this  you are in the local folder       bin bash git fetch  var local  cat  git refs heads master  var remote  git log origin master -1   head -n1   cut -d    -f2   if     var remote      var local     then     echo  Strings are equal    1 else     echo  Strings are not equal    0 if you want fi   Then you did compare local git and remote git last commit number

User · Answer

If  remote-path  and  local-path  are the same  you can do    git fetch origin master   git diff origin master --  local-path    Note 1  The second command above will compare against the locally stored remote tracking branch  The fetch command is required to update the remote tracking branch to be in sync with the contents of the remote server  Alternatively  you can just do    git diff master  lt path-or-file-name gt    Note 2  master can be replaced in the above examples with any branch name

User · Answer

Full answer to the original question that was talking about a possible different path on local and remote is below  git fetch origin git diff master --  local-path   origin master --  remote-path   Assuming the local path is docs file1 txt and remote path is docs2 file1 txt  use git diff master -- docs file1 txt  origin master -- docs2 file1 txt This is adapted from GitHub help page here and Code-Apprentice answer above

[git] git: diff between file in local repo and origin

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