vcstore

#! /bin/bash

BIN_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

source "$BIN_DIR/securestore"


#
# Plumbing functions
#

vcs_git_init() {
	ss_check_command git --version
	git init &> /dev/null || ss_error "Could not initialise the git repository"
}

vcs_git_rm() {
	ss_check_command git --version
	git rm "$1" &> /dev/null || \
		ss_error "Could not remove '$1' from the git repository"
}

vcs_git_add() {
	ss_check_command git --version
	git add "$1" &> /dev/null || \
		ss_error "Could not add '$1' to the git repository"
}

vcs_git_commit() {
	ss_check_command git --version
	git commit --message "$1" &> /dev/null || \
		ss_error "Could not commit to the git repository"
}

#
# Main functions
#

#: $PROG init <gpg_key_id>
#: Initialise the store and a new git repository in the current directory
vcs_init() {
	ss_init "$@"

	vcs_git_init

	vcs_git_add ".gpg_id"
	vcs_git_commit "Added .gpg_id file"
}

#: $PROG list|ls
#: List the contents of the store (requires tree)

#: $PROG add <entry_name> <flie_to_add>
#: Add <flie_to_add> to the store under <entry_name> and commit it to the
#: repository
vcs_add() {
	ss_add "$@"

	vcs_git_add "$1"
	vcs_git_commit "Added '$1'"
}

#: $PROG get <entry_name>
#: Get an entry from the store and write it to stdout

#: $PROG edit <entry_name>
#: Edit <entry_name> in the store using '${EDITOR:-vim}' (defined by the EDITOR
#: environment variable) and commit the change to the repository
vcs_edit() {
	if ss_edit "$@"; then
		vcs_git_add "$1"
		vcs_git_commit "Updated '$1'"
	fi
}

#: $PROG move <source_entry_name> <destination_entry_name>
#: Move <source_entry_name> to <destination_entry_name> and commit the change to
#: the repository
vcs_move() {
	ss_move "$@"

	vcs_git_rm "$1"
	vcs_git_add "$2"
	vcs_git_commit "Renamed '$1' to '$2'"
}

#: $PROG remove|rm <entry_name>
#: Remove <entry_name> from the store and commit the change to the repository
vcs_remove() {
	ss_remove "$@"

	vcs_git_rm "$1"
	vcs_git_commit "Removed '$1'"
}

#: $PROG help
#: Display this help message
vcs_help() {
	read -d '' HELP <<-EOF
	Version Controlled Secure Store Help

	Create and manage an encrypted file store using an existing GPG key pair
	and using git to track changes.
	EOF

	ss_make_help "${BASH_SOURCE[0]}" "$0" "$HELP"
}

#
# Aliases
#

init() { vcs_init "$@"; }

add() { vcs_add "$@"; }

edit() { vcs_edit "$@"; }

move() { vcs_move "$@"; }

remove() { vcs_remove "$@"; }
rm() { vcs_remove "$@"; }

help() { vcs_help "$@"; }

#
# Initialise
#

type git &> /dev/null || ss_error "'git' command is not available"

[ "${BASH_SOURCE[0]}" == "$0" ] && ss_run "${@:-list}"