gitsync

#!/bin/sh

COLOR="\033[0;32m"
RESET_COLOR="\033[0m"

output() {
        echo "$COLOR$1$RESET_COLOR"
}

PUSH=1
BRANCH=$(git status | head -1 | sed -n 's/^On branch //p')
if [ "$BRANCH" = "" ]; then
        BRANCH=master
fi

STATUS_TAIL=$(git status | tail -1)
if [ "$STATUS_TAIL" = "nothing added to commit but untracked files present (use \"git add\" to track)" ]; then
        PUSH=0
fi

if [ "$PUSH" = "1" ]; then
        output "-> Adding changes..."
        git add -u -v
        if [ $? -ne 0 ]; then exit 1; fi
        output "-> Commiting files..."
        COMMIT_OUTPUT=$(git commit --dry-run --porcelain)
        COMMIT_STATUS=$?
        if [ $COMMIT_STATUS -eq 0 ]; then
                if [ "$1" = "" ]; then
                        git commit
                else
                        git commit -m "$1"
                fi

                COMMIT_STATUS=$?
                echo "After git commit: $COMMIT_STATUS"
                if [ $COMMIT_STATUS -ne 0 ]; then
                        exit $COMMIT_STATUS
                fi
        else
                if [ "$COMMIT_OUTPUT" != "" ]; then
                        exit $COMMIT_STATUS
                fi
        fi
fi

output "-> Pulling from origin/$BRANCH..."
git pull --rebase origin $BRANCH

HEAD=$(git rev-parse HEAD)
ORIGIN=$(git rev-parse origin/$BRANCH)
if [ "$HEAD" != "$ORIGIN" ]; then
        PUSH=1
fi

STATUS=0
if [ "$PUSH" = "1" ]; then
        output "-> Pushing to origin/$BRANCH..."
        git push origin $BRANCH
        STATUS=$?
fi

if [ $STATUS -eq 0 ]; then
        COMMIT_ID=$(git rev-parse HEAD)
        output "-> Commit hash: $RESET_COLOR$COMMIT_ID"
        DESCRIBE=$(git describe 2> /dev/null)
        if [ "$DESCRIBE" = "" ]; then
                DESCRIBE=$(git describe --tags 2> /dev/null)
        fi
        output "$DESCRIBE"
fi