Git auto commit script (shell)

git_auto_commit.sh

#!/bin/sh
# Auto-commit script with safety checks
set -e

if [ -z "$1" ]; then
    echo "Missing directory argument";
    exit 1;
else
    cd "$1"; shift;
fi;

if [ -z "$1" ]; then
    echo "Missing branch argument";
    exit 1;
else
    targetbranch="$1"; shift;
fi;

# Check if we're in a git repo and no operations in progress
if ! git rev-parse --git-dir >/dev/null 2>&1; then
    echo "Not in a git repository";
    exit 1;
fi

mybranch="$(git rev-parse --abbrev-ref HEAD)";
if [ "$mybranch" != "$targetbranch" ]; then
    echo "Git in different branch: $mybranch";
    exit 1;
fi

if [ -f .git/MERGE_HEAD ] || [ -f .git/REBASE_HEAD ] || [ -f .git/CHERRY_PICK_HEAD ]; then
    echo "Git operation in progress, aborting";
    exit 1;
fi

git add -A;
git commit --quiet --no-status -m "auto commit" >/dev/null;