Feature: add staged files multiple selection (#6)

* chore(package.json): add "@bdsqqq/try" dependency
* refactor(api.ts): remove unnecessary whitespace
* refactor(cli.ts): remove unused imports and variables

* refactor(commit.ts): rename getStagedGitDiff to getDif
* refactor(commit.ts): add getStagedFiles and getChangedFiles functions
* feat(commit.ts): add multiselect prompt to select files to stage
* feat(commit.ts): add gitAdd function to stage selected files
* feat(commit.ts): add trytm function to handle errors
* feat(commit.ts): add exitProgram function to exit the program with an error message if an error occurs during execution

* refactor(commit.ts): refactor commit function to handle unstaged files
* feat(commit.ts): add multiselect prompt to select files to add to commit when there are unstaged files

* feat(git.ts): add getStagedFiles function to get list of staged files
* feat(git.ts): add getChangedFiles function to get list of changed files
* feat(git.ts): add gitAdd function to add files to commit
* feat(git.ts): add getDif function to get diff of staged files

* refactor(commit.ts): replace exitProgram function with process.exit(1) to exit the program

* refactor(commit.ts): change message prompt to English in multiselect function

* chore(package.json): add prettier to format code
* refactor(api.ts): remove unnecessary whitespace and comments

* refactor(commit.ts): add missing semicolons and fix formatting
* feat(commit.ts): add support for selecting files to add to the commit when there are changed files but no staged files

* refactor(commit.ts): add isStageAllFlag parameter to commit function
* refactor(commit.ts): add whitespace to getDif function call
* refactor(commit.ts): add whitespace to generateCommitMessageFromGitDiff function call

* refactor(git.ts): reformat code for better readability
* chore(git.ts): add semicolons to the end of each statement

* chore(package.json): remove "@bdsqqq/try" dependency
* refactor(commit.ts): move trytm function to utils/trytm.ts
* refactor(commit.ts): add isStageAllFlag parameter to gitAdd function call in commit function
* refactor(commit.ts): remove getStagedGitDiff function call and use getStagedFiles function call instead
* refactor(commit.ts): add error handling to generateCommitMessageFromGitDiff function call in commit function

* refactor(prepare-commit-msg-hook.ts): rename getStagedGitDiff to getStagedFiles
* feat(prepare-commit-msg-hook.ts): add gitAdd function to stage changes before generating commit message
* refactor(prepare-commit-msg-hook.ts): use getDif function to get staged changes diff instead of staged.diff
* refactor(prepare-commit-msg-hook.ts): remove unnecessary if statement and return statement

* refactor(git.ts): remove StagedDiff interface and getStagedGitDiff function
* feat(git.ts): add support for untracked files in getChangedFiles function
* refactor(git.ts): rename stdout variable in getChangedFiles function
* refactor(git.ts): add excludeBigFilesFromDiff to getDif function
* feat(trytm.ts): add trytm utility function for handling promises with try-catch block

* fix(commit.ts): add missing function call parentheses in return statement

* refactor(commit.ts): remove unused variable generateCommitResponse
* refactor(commit.ts): exit process with code 0 after successful commit

* fix(commit.ts): add check for no changes detected before opening commit prompt

* fix(commit.ts): fix typo in function name from getDif to getDiff
* fix(prepare-commit-msg-hook.ts): fix typo in function name from getDif to getDiff
* refactor(git.ts): rename getDif function to getDiff for consistency and clarity

* chore(git.ts): add excludeBigFilesFromDiff option to getStagedFiles function

* chore(git.ts): import text function from @clack/prompts package

* refactor(git.ts): remove excludeBigFilesFromDiff constant and filter out .lock files from getStagedFiles and getChangedFiles functions
* feat(git.ts): add error message when all staged files are .lock files
* feat(git.ts): add error message when all changed files are .lock files
* feat(git.ts): add warning message when some files are .lock files and excluded from git add and git diff

* refactor(git.ts): add filter to remove empty strings from returned array in getStagedFiles and getChangedFiles functions

* refactor(commit.ts): pass isStageAllFlag to getChangedFiles function
* fix(commit.ts): handle errorStagedFiles and errorChangedFiles variables

* fix(git.ts): filter out empty strings from excludedFiles array
* feat(git.ts): add isStageAllFlag parameter to getChangedFiles function to handle git add --all command

* refactor(git.ts): remove console.log statement from getChangedFiles function and refactor code to improve readability

* refactor(commit.ts): remove unnecessary parameter from getChangedFiles function call
* refactor(git.ts): remove isStageAllFlag parameter from getChangedFiles function and add check for .lock files in the returned files list

* refactor(commit.ts): remove unnecessary line breaks and whitespace
* refactor(commit.ts): remove unnecessary parentheses in function calls

* feat(git.ts): add someFilesExcludedMessage function to display excluded files message
* refactor(git.ts): use someFilesExcludedMessage function instead of text function in getChangedFiles, gitAdd, and getDiff functions

* refactor(git.ts): extract someFilesExcludedMessage function to handle excluded files message
* fix(git.ts): use someFilesExcludedMessage function instead of throwing an error when all staged files are excluded files

* refactor(git.ts): pad excluded files list with 5 spaces

* refactor(git.ts): remove unnecessary padStart method call in someFilesExcludedMessage function
* chore(git.ts): update someFilesExcludedMessage function to improve readability

---------

Co-authored-by: Sukharev <57486732+di-sukharev@users.noreply.github.com>

src/commands/commit.ts

@@ -3,9 +3,23 @@ import {
   GenerateCommitMessageErrorEnum,
   generateCommitMessageWithChatCompletion
 } from '../generateCommitMessageFromGitDiff';
-import { assertGitRepo, getStagedGitDiff } from '../utils/git';
-import { spinner, confirm, outro, isCancel, intro } from '@clack/prompts';
+import {
+  assertGitRepo,
+  getChangedFiles,
+  getDiff,
+  getStagedFiles,
+  gitAdd
+} from '../utils/git';
+import {
+  spinner,
+  confirm,
+  outro,
+  isCancel,
+  intro,
+  multiselect
+} from '@clack/prompts';
 import chalk from 'chalk';
+import { trytm } from '../utils/trytm';
 
 const generateCommitMessageFromGitDiff = async (
   diff: string
@@ -65,13 +79,33 @@ ${chalk.grey('——————————————————')}`
 };
 
 export async function commit(isStageAllFlag = false) {
+  if (isStageAllFlag) {
+    const changedFiles = await getChangedFiles();
+    if (changedFiles) await gitAdd({ files: changedFiles });
+    else {
+        outro("No changes detected, write some code and run `oc` again");
+        process.exit(1);
+    }
+  }
+
+  const [stagedFiles, errorStagedFiles] = await trytm(getStagedFiles());
+  const [changedFiles, errorChangedFiles] = await trytm(getChangedFiles());
+
+  if (!changedFiles?.length && !stagedFiles?.length) {
+    outro(chalk.red('No changes detected'));
+    process.exit(1);
+  }
+
   intro('open-commit');
+  if (errorChangedFiles ?? errorStagedFiles) {
+    outro(`${chalk.red('✖')} ${errorChangedFiles ?? errorStagedFiles}`);
+    process.exit(1);
+  }
 
   const stagedFilesSpinner = spinner();
   stagedFilesSpinner.start('Counting staged files');
-  const staged = await getStagedGitDiff(isStageAllFlag);
 
-  if (!staged && isStageAllFlag) {
+  if (!stagedFiles.length && isStageAllFlag) {
     outro(
       `${chalk.red(
         'No changes detected'
@@ -85,7 +119,7 @@ export async function commit(isStageAllFlag = false) {
     process.exit(1);
   }
 
-  if (!staged) {
+  if (!stagedFiles.length) {
     outro(
       `${chalk.red('Nothing to commit')} — stage the files ${chalk
         .hex('0000FF')
@@ -103,17 +137,40 @@ export async function commit(isStageAllFlag = false) {
       isStageAllAndCommitConfirmedByUser &&
       !isCancel(isStageAllAndCommitConfirmedByUser)
     ) {
-      await commit(true);
+      return await commit(true);
     }
 
-    process.exit(1);
+    if (stagedFiles.length === 0 && changedFiles.length > 0) {
+      const files = (await multiselect({
+        message: chalk.cyan('Select the files you want to add to the commit:'),
+        options: changedFiles.map((file) => ({
+          value: file,
+          label: file
+        }))
+      })) as string[];
+
+      if (isCancel(files)) process.exit(1);
+
+      await gitAdd({ files });
+    }
+
+    commit(false);
   }
 
   stagedFilesSpinner.stop(
-    `${staged.files.length} staged files:\n${staged.files
+    `${stagedFiles.length} staged files:\n${stagedFiles
       .map((file) => `  ${file}`)
       .join('\n')}`
   );
 
-  await generateCommitMessageFromGitDiff(staged.diff);
+  const [, generateCommitError] = await trytm(
+    generateCommitMessageFromGitDiff(await getDiff({ files: stagedFiles }))
+  );
+
+  if (generateCommitError) {
+    outro(`${chalk.red('✖')} ${generateCommitError}`);
+    process.exit(1);
+  }
+
+  process.exit(0);
 }

src/commands/prepare-commit-msg-hook.ts

@@ -1,7 +1,7 @@
 import fs from 'fs/promises';
 import chalk from 'chalk';
 import { intro, outro } from '@clack/prompts';
-import { getStagedGitDiff } from '../utils/git';
+import { getChangedFiles, getDiff, getStagedFiles, gitAdd } from '../utils/git';
 import { getConfig } from './config';
 import { generateCommitMessageWithChatCompletion } from '../generateCommitMessageFromGitDiff';
 
@@ -17,7 +17,14 @@ export const prepareCommitMessageHook = async () => {
 
     if (commitSource) return;
 
-    const staged = await getStagedGitDiff();
+    const changedFiles = await getChangedFiles();
+    if (changedFiles) await gitAdd({ files: changedFiles });
+    else {
+        outro("No changes detected, write some code and run `oc` again");
+        process.exit(1);
+    }
+
+    const staged = await getStagedFiles();
 
     if (!staged) return;
 
@@ -32,7 +39,7 @@ export const prepareCommitMessageHook = async () => {
     }
 
     const commitMessage = await generateCommitMessageWithChatCompletion(
-      staged.diff
+      await getDiff({ files: staged })
     );
 
     if (typeof commitMessage !== 'string') throw new Error(commitMessage.error);

src/utils/git.ts

@@ -1,5 +1,5 @@
 import { execa } from 'execa';
-import { spinner } from '@clack/prompts';
+import { spinner, text } from '@clack/prompts';
 
 export const assertGitRepo = async () => {
   try {
@@ -9,41 +9,88 @@ export const assertGitRepo = async () => {
   }
 };
 
-const excludeBigFilesFromDiff = ['*-lock.*', '*.lock'].map(
-  (file) => `:(exclude)${file}`
-);
+export const someFilesExcludedMessage = (files: string[]) => {
+  return text({
+    message: `Some files are .lock files which are excluded by default as it's too big, commit it yourself, don't waste your api tokens. \n${files
+      .filter((file) => file.includes('.lock') || file.includes('-lock.'))
+      .join('\n')
+      }`
+  });
+};
 
-export interface StagedDiff {
-  files: string[];
-  diff: string;
-}
+export const getStagedFiles = async (): Promise<string[]> => {
+  const { stdout: files } = await execa('git', [
+    'diff',
+    '--name-only',
+    '--cached'
+  ]);
 
-export const getStagedGitDiff = async (
-  isStageAllFlag = false
-): Promise<StagedDiff | null> => {
-  if (isStageAllFlag) {
-    const stageAllSpinner = spinner();
-    stageAllSpinner.start('Staging all changes');
-    await execa('git', ['add', '.']);
-    stageAllSpinner.stop('Done');
+  if (!files) return [];
+
+  const excludedFiles = files
+    .split('\n')
+    .filter(Boolean)
+    .filter((file) => file.includes('.lock') || file.includes('-lock.'));
+
+  if (excludedFiles.length === files.split('\n').length) {
+    someFilesExcludedMessage(files.split('\n'));
   }
 
-  const diffStaged = ['diff', '--staged'];
-  const { stdout: files } = await execa('git', [
-    ...diffStaged,
-    '--name-only',
-    ...excludeBigFilesFromDiff
+  return files.split('\n').sort();
+};
+
+export const getChangedFiles = async (): Promise<string[]> => {
+  const { stdout: modified } = await execa('git', ['ls-files', '--modified']);
+  const { stdout: others } = await execa('git', [
+    'ls-files',
+    '--others',
+    '--exclude-standard'
   ]);
 
-  if (!files) return null;
+  const files = [...modified.split('\n'), ...others.split('\n')].filter(
+    (file) => !!file
+  );
+
+  const filesWithoutLocks = files.filter(
+    (file) => !file.includes('.lock') && !file.includes('-lock.')
+  );
+
+  if (files.length !== filesWithoutLocks.length) {
+    someFilesExcludedMessage(files);
+  }
+
+  return filesWithoutLocks.sort();
+};
+
+export const gitAdd = async ({ files }: { files: string[] }) => {
+  const filteredFiles = files.filter(
+    (file) => !file.includes('.lock') && !file.includes('-lock.')
+  );
+
+  const gitAddSpinner = spinner();
+  gitAddSpinner.start('Adding files to commit');
+  await execa('git', ['add', ...filteredFiles]);
+  gitAddSpinner.stop('Done');
+
+  if (filteredFiles.length !== files.length) {
+    someFilesExcludedMessage(files);
+  }
+};
+
+export const getDiff = async ({ files }: { files: string[] }) => {
+  const filesWithoutLocks = files.filter(
+    (file) => !file.includes('.lock') && !file.includes('-lock.')
+  );
+
+  if (filesWithoutLocks.length !== files.length) {
+    someFilesExcludedMessage(files);
+  }
 
   const { stdout: diff } = await execa('git', [
-    ...diffStaged,
-    ...excludeBigFilesFromDiff
+    'diff',
+    '--staged',
+    ...filesWithoutLocks
   ]);
 
-  return {
-    files: files.split('\n').sort(),
-    diff
-  };
+  return diff;
 };

src/utils/trytm.ts

@@ -0,0 +1,12 @@
+export const trytm = async <T>(
+  promise: Promise<T>
+): Promise<[T, null] | [null, Error]> => {
+  try {
+    const data = await promise;
+    return [data, null];
+  } catch (throwable) {
+    if (throwable instanceof Error) return [null, throwable];
+
+    throw throwable;
+  }
+};