Insert new commits from repo

migrations/1_commits.sql

@@ -0,0 +1,18 @@
+CREATE TABLE commits (
+    hash TEXT NOT NULL PRIMARY KEY,
+    new  INT  NOT NULL DEFAULT 1
+) STRICT;
+
+CREATE TABLE commit_links (
+    parent TEXT NOT NULL,
+    child  TEXT NOT NULL,
+    PRIMARY KEY (parent, child),
+    FOREIGN KEY (parent) REFERENCES commits (hash) ON DELETE CASCADE,
+    FOREIGN KEY (child)  REFERENCES commits (hash) ON DELETE CASCADE
+) STRICT;
+
+CREATE TABLE branches (
+    name TEXT NOT NULL PRIMARY KEY,
+    hash TEXT NOT NULL,
+    FOREIGN KEY (hash) REFERENCES commits (hash) ON DELETE CASCADE
+) STRICT;