Configuring and using Git scripts

Yes, we have aliases, and aliases do what they do best—take small one-liners and convert them into small useful Git commands. However, when it comes to larger scripts that are also a part of your process, and you would like to incorporate them into Git, you can simply name the script git-scriptname, and then use it as git scriptname.

How to do it...

There are a few things to remember. The script has to be in your path so that Git can use the script. Besides this, only imagination sets the boundary:

  1. Open your favorite editor and insert the following lines in the file:
    #!/bin/bash
NUMBEROFCOMMITS=$(git log --all --oneline | wc -l)
while :
  WHICHCOMMIT=$(( ( RANDOM % ${NUMBEROFCOMMITS} )  + 1 ))
  COMMITSUBJECT=$(git log --oneline --all -${WHICHCOMMIT} | tail -n1)
  COMMITSUBJECT_=$(echo $COMMITSUBJECT | cut -b0-60)
do
  if [ $RANDOM -lt 14000 ]; then 
    printf "e[1m%-60s e[32m%-10se[m
" "${COMMITSUBJECT_}"  ' PASSED'
  elif [ $RANDOM -gt 15000 ]; then  
    printf "e[1m%-60s e[31m%-10se[m
" "${COMMITSUBJECT_}"  ' FAILED'
  fi  
Done
  2. Save the file with the name git-likeaboss. This is a very simple script that will list random commit subjects with either passed or failed as the result. It will not stop until you press Ctrl + c.
    $ git likeaboss
5ec4977 Create a MergeResult for deleted/modified    PASSED
fcc3349 Add reflog message to TagCommand             PASSED
591998c Do not allow non-ff-rebase if there are ed   PASSED
0d7dd66 Make sure not to overwrite untracked notfil  PASSED
5218f7b Propagate IOException where possible where   FAILED
f5fe2dc Teach PackWriter how to reuse an existing s  FAILED
  3. Note you can also tab complete these commands, and Git will take them into consideration when you slightly misspell commands as follows:
    $ git likeboss
git: 'likeboss' is not a git command. See 'git --help'.

Did you mean this?
        likeaboss

I know this script in itself is not so useful in a day-to-day environment, but I hope you get the point I am trying to make. All scripts revolve around the software delivery chain and you can just as well name them Git as they are part of Git. This makes it much easier to remember which scripts you have are available for your job.

Note

Both Git aliases and Git scripts will show up as Git commands while using tab completion. Type in git <tab> <tab> to see the list of possible Git commands.

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