How to write a shell script that checks if git repository is up to date?

Question

``` #!/bin/bash #gedit tidy plugin init=false SRC_DIR=~/repos DIRECTORY="Gedit-Clientside-Plugin" #making repos directory if [ ! -d "$SRC_DIR" ]; then mkdir $SRC_DIR; fi if [ ! -d "$SRC_DIR/$DIRECTORY" ]; then init=true cd $SRC_DIR && pwd && git clone git://github.com/trentrichardson/Gedit-Clientside-Plugin.git && cd $DIRECTORY else cd $SRC_DIR/$DIRECTORY fi #below here is what I'm having trouble with git pull 1>&1 | grep "Already up-to-date." if [[ ! $? -eq 0 && ! $init ]]; then read -e -p "## Branch moved, build and install Gedit-Clientside-Plugin? [Y/n] " yn if [[ $yn == "y" || $yn == "Y" || $yn == "" ]] ; then if [ ! -d "/usr/share/gedit/plugins/clientside" ]; then sudo cp ~/repos/Gedit-Clientside-Plugin/clientside /usr/share/gedit/plugins/ -r else echo "Directory already exists." fi fi fi ``` The above code is something I have edited from a script I have found on stackoverflow to install Emacs from git repository. What I want this script to do is to install any programs from git…

Accepted Answer

I would rather use the solution of "git: check if pull needed":

```
git fetch origin
reslog=$(git log HEAD..origin/master --oneline)
if [[ "${reslog}" != "" ]] ; then
  git merge origin/master # completing the pull
  ...
```

How to write a shell script that checks if git repository is up to date?

Solution

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