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#!/usr/bin/env bash
# TODO: save base branch (default to origin/master) paired with current branch.
# Subsequent code-review commands should use this base branch.
# TODO: think about renaming this to "init" if there's no corresponding "end"
# subcommand.
GIT_ROOT="$(git rev-parse --show-toplevel)"
DATABASE="${GIT_ROOT}/.git/info/code-review.sqlite"
function create_database () {
sqlite3 "$DATABASE" <<-SQL
BEGIN TRANSACTION;
CREATE TABLE IF NOT EXISTS merge_bases (
id INTEGER PRIMARY KEY,
head TEXT NOT NULL,
base TEXT NOT NULL
);
COMMIT;
SQL
}
function create_database_if_not_exists () {
if [ ! -f "$DATABASE" ]; then
create_database
fi
}
function create_merge_base () {
local head="$1"
local base="$2"
# TODO: Change to upsert or equivalent
sqlite3 "$DATABASE" <<-SQL
BEGIN TRANSACTION;
INSERT INTO merge_bases
(head, base)
VALUES
(
'$head',
'$base'
);
COMMIT;
SQL
}
function create_merge_base_from_current () {
local base="$1"
create_merge_base "$(current_branch)" "$base"
}
function get_merge_base () {
local head="$(current_branch)"
local default_base='master'
if git config remote.origin.url > /dev/null; then
default_base='origin/master'
fi
sqlite3 "$DATABASE" <<-SQL
BEGIN TRANSACTION;
SELECT ifnull(max(base), '$default_base')
FROM merge_bases
WHERE head = '$head'
LIMIT 1;
COMMIT;
SQL
}
function current_branch () {
git rev-parse --abbrev-ref HEAD
}
create_database_if_not_exists
merge_base='origin/master'
if [ $# -eq 1 ]; then
merge_base="$1"
fi
create_merge_base_from_current "$merge_base"
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