#!/bin/bash

# Check for install

which git > /dev/null

if [[ $? != 0 ]]

then

echo "git is not installed!"

exit 1

fi

# Check for minimum version

GITVER=$(git --version | awk '{print $3}' | awk -F'.' '{print $1"."$2}')

GITMIN="2.25"

if (( $(echo "$GITVER < $GITMIN" | bc -l) ))

then

echo "git version is too low! Update now!"

echo "Your version: $GITVER | Minimum version required: $GITMIN"

echo "sudo add-apt-repository ppa:git-core/ppa"

echo "sudo apt update"

echo "sudo apt install git"

exit 1

fi

# Get current branch

TREEBRANCH=$(git branch --show-current)

THEBRANCH=$(git branch | sed 's/ //g' | grep -E "^(main|master)$" | head -1)

additional_commands()

{

echo "Found additional commands. Running:"

echo "$GITGITCMD"

ORIGIFS=$IFS

IFS=';'

for COMMAND in "$GITGITCMD"

do

eval "$COMMAND"

done

IFS=$ORIGIFS

}

branchit()

{

if [[ "$NB" =~ ^[-_A-Za-z0-9\(\)\/\\\$\%\#]+$ ]]

then

git pull --ff-only

echo "Creating and switching to new feature branch: $NB"

git checkout -b $NB

else

echo "Feature branch name required and can only contain allowed characters."

echo "Try: gitgit -b my-branch"

exit 1

fi

}

commit()

{

if [ ! -z "$GITGITCMD" ]

then

additional_commands

else

echo "No additional commands found... continuing."

fi

echo "On Branch: $TREEBRANCH"

git add .

if [ -z "$CM" ]

then

COMMITNOW="chore: patch"

else

COMMITNOW="$CM"

fi

git commit -m "$COMMITNOW"

git push origin $TREEBRANCH

echo "Thanks for using gitgit! Don't forget to delete this branch when finished: gitgit -d"

}

if [ $# -gt 1 ] && [[ "$1" != -b ]] && [[ "$1" != --branch ]]

then

echo "Only 1 agument is supported."

exit 1

elif [ $# -gt 2 ] && ([[ "$1" == -b ]] || [[ "$1" == --branch ]])

then

echo "Only 2 arguments are supported for checking out a branch."

echo "-b <name>"

elif [[ "$1" == -h ]] || [[ "$1" == --help ]]

then

echo "Usage:"

echo "gitgit Add, commit and push with generic message"

echo "gitgit \"<message>\" Add, commit and push with custom message"

echo "gitgit <option>"

echo ""

echo "Options:"

echo "-d|--delete Delete the current feature branch and switch to main/master"

echo "-c|--cleanup Remove any non-main/master branches"

echo "-b|--branch <name> Create and checkout a new feature branch"

echo "-h|--help Display this help"

echo "-v|--version Display the version"

echo

elif [[ "$1" == -v ]] || [[ "$1" == --version ]]

then

echo "gitgit v0.0.69"

echo "git $GITVER"

elif [[ "$1" == -c ]] || [[ "$1" == --cleanup ]]

then

git checkout $THEBRANCH

if [[ $? != 0 ]]

then

echo "Failed to checkout the main/master branch, exiting..."

exit 1

fi

git pull --ff-only

git fetch --prune

BRANCHES=$(git branch | sed 's/ //g' | grep -vE "^\*?(main|master)$")

for BRANCH in $BRANCHES

do

echo "Deleting branch $BRANCH"

git branch -D $BRANCH

done

exit 0

elif [[ "$TREEBRANCH" =~ ^(main|master)$ ]]

then

git status -s | grep -E "^ M|^\?\?" > /dev/null

if [[ $? == 0 ]]

then

echo "You are on the main/master branch, HOWEVER changes have been detected!"

if [[ "$1" == -b ]] || [[ "$1" == --branch ]]

then

NB="$2"

else

read -p "Would you like to create a new branch to move the changes to? (y/n): " ANS

if [[ "$ANS" =~ ^(y|Y|)$ ]]

then

read -p "Enter a new branch name or leave blank to use the commit message: " NB

if [[ -z "$NB" ]]

then

NB=${1//[\ \:]/-}

fi

else

echo "Leaving changes on the main/master branch alone and exiting!"

exit 1

fi

fi

if [[ "$NB" =~ ^[-_A-Za-z0-9\(\)\/\\\$\%\#]+$ ]]

then

echo "Creating new branch '$NB' and migrating changes to this new feature branch."

git switch -c "$NB"

if [[ "$1" == -b ]] || [[ "$1" == --branch ]]

then

echo "Run gitgit 'commit description' to push the changes"

else

sleep 1

TREEBRANCH="$NB"

CM="$1"

commit

fi

exit 0

else

echo "Invalid Branch Name, exiting! You still have changes on your main/master branch!"

exit 1

fi

else

if [[ "$1" == -b ]] || [[ "$1" == --branch ]]

then

NB="$2"

branchit

else

echo "You are on the main branch, exiting..."

exit 1

fi

fi

elif [[ "$1" == -d ]] || [[ "$1" == --delete ]]

then

echo "Switching to $THEBRANCH, updating and DELETING $TREEBRANCH"

git checkout $THEBRANCH

git pull --ff-only

git fetch --prune

git branch -D $TREEBRANCH

elif [[ "$1" == -b ]] || [[ "$1" == --branch ]]

then

NB="$2"

branchit

else

CM="$1"

commit

fi