Using Git how do I find changes between local and remote

Question

Here are two different questions but I think they are related.

1. When using Git, how do I find which changes I have committed locally, but haven\'t yet pushed

Answer 1

Incoming commits across all branches can be shown with the following approach.

The command git fetch-diff becomes available by adding an executable called git-fetch-diff to your PATH, containing:

#!/bin/bash

set -e

# get hashes before fetch
old_hashes=$(git log --all --no-color --pretty=format:"%H")

# perform the fetch
git fetch

# get hashes after fetch
new_hashes=$(git log --all --no-color --pretty=format:"%H")

# get the difference
added_hashes=$(comm -1 -3 <(echo "$old_hashes") <(echo "$new_hashes"))

# print added hashes
[ ! -z "$added_hashes" ] && echo "$added_hashes" | git log --stdin --no-walk --oneline

Commit hashes are compared before and after the fetch. The difference is piped back to git log for pretty printing. The appearance of the printed log can be further tuned to your liking with arguments such as --pretty= and --graph.

Note: You might want to cap how far git log will go back in time depending on how much a bash variable can hold on your system, or for performance reasons. This can be done by adding the argument --max-count=.