add reset script

Signed-off-by: shmck <shawn.j.mckay@gmail.com>

Author: ShMcK

src/services/git/index.ts

@@ -1,9 +1,8 @@
 import * as TT from 'typings/tutorial'
 import { exec, exists } from '../node'
 import logger from '../logger'
-import { stringify } from 'querystring'
 
-const gitOrigin = 'coderoad'
+export const gitOrigin = 'coderoad'
 
 const stashAllFiles = async (): Promise<never | void> => {
   // stash files including untracked (eg. newly created file)

src/services/git/reset.ts

@@ -0,0 +1,49 @@
+import * as fs from 'fs'
+import { exec, exists } from '../node'
+
+interface Input {
+  hash: string
+  branch: string
+}
+
+// note: attempted to do this as a bash script
+// but requires the bash script has git permissions
+const reset = async ({ branch, hash }: Input): Promise<void> => {
+  // TODO: capture branch
+  const localBranch = 'master'
+
+  // switch to an empty branch
+  await exec({
+    command: 'git checkout --orphan reset-orphan-branch',
+  })
+  // stash any current work
+  await exec({
+    command: 'git stash',
+  })
+  // remove any other files
+  await exec({
+    command: 'git rm -rf .',
+  })
+  // TODO: delete .gitignore
+
+  await exec({
+    command: `git branch -D ${localBranch}`,
+  })
+  await exec({
+    command: `git checkout -b ${localBranch}`,
+  })
+
+  // load git timeline
+  await exec({
+    command: `git fetch coderoad ${branch}`,
+  })
+  await exec({
+    command: `git merge coderoad/${localBranch}`,
+  })
+  // reset to target commit hash
+  await exec({
+    command: `git reset --hard ${hash}`,
+  })
+}
+
+export default reset