check for git lock

Description

I keep getting erros like this more and more often. Running the command again fixes.

I have a feeling this is happening because git is busy when I commit, which could be due to vscode using git.

Steps to reproduce

Should happen if you can start a lint-staged process at the same time git is busy doing something else.

Debug Logs

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./node_modules/.bin/lint-staged --debug
  lint-staged:bin Running `lint-staged@10.1.3` +0ms
  lint-staged:bin Options parsed from command-line: {
  allowEmpty: false,
  concurrent: true,
  configPath: undefined,
  debug: true,
  maxArgLength: 131072,
  stash: true,
  quiet: false,
  relative: false,
  shell: false
} +1ms
  lint-staged Loading config using `cosmiconfig` +0ms
  lint-staged Successfully loaded config from `/Users/vamac/Desktop/app/package.json`:
  lint-staged {
  lint-staged   '*.{js,jsx,ts,tsx}': [ 'yarn prettier --write' ],
  lint-staged   'package.json': [ 'yarn sort-package-json', 'yarn prettier --write' ]
  lint-staged } +26ms
  lint-staged:cfg Validating config +0ms
Running lint-staged with the following config:
{
  '*.{js,jsx,ts,tsx}': [
    'yarn prettier --write'
  ],
  'package.json': [
    'yarn sort-package-json',
    'yarn prettier --write'
  ]
}
  lint-staged Unset GIT_LITERAL_PATHSPECS (was `undefined`) +2ms
  lint-staged:run Running all linter scripts +0ms
  lint-staged:resolveGitRepo Resolving git repo from `/Users/vamac/Desktop/app` +0ms
  lint-staged:resolveGitRepo Unset GIT_DIR (was `undefined`) +0ms
  lint-staged:git Running git command [ 'rev-parse', '--show-toplevel' ] +0ms
  lint-staged:resolveGitRepo Resolved git directory to be `/Users/vamac/Desktop/app` +9ms
  lint-staged:resolveGitRepo Resolved git config directory to be `/Users/vamac/Desktop/app/.git` +0ms
  lint-staged:git Running git command [ 'diff', '--staged', '--diff-filter=ACMR', '--name-only', '-z' ] +9ms
  lint-staged:run Loaded list of staged files in git:
  lint-staged:run [] +16ms
ℹ No staged files found.
  lint-staged tasks were executed successfully! +17ms

Debug Logs of Problem

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$ /Users/vamac/Desktop/app/node_modules/.bin/lint-staged --debug
  lint-staged:bin Running `lint-staged@10.1.6` +0ms
  lint-staged:bin Options parsed from command-line: {
  allowEmpty: false,
  concurrent: true,
  configPath: undefined,
  debug: true,
  maxArgLength: 131072,
  stash: true,
  quiet: false,
  relative: false,
  shell: false
} +1ms
  lint-staged Loading config using `cosmiconfig` +0ms
  lint-staged Successfully loaded config from `/Users/vamac/Desktop/app/package.json`:
  lint-staged {
  lint-staged   '*.{js,jsx,ts,tsx}': [ 'yarn prettier --write' ],
  lint-staged   'package.json': [ 'yarn sort-package-json', 'yarn prettier --write' ]
  lint-staged } +10ms
  lint-staged:cfg Validating config +0ms
Running lint-staged with the following config:
{
  '*.{js,jsx,ts,tsx}': [
    'yarn prettier --write'
  ],
  'package.json': [
    'yarn sort-package-json',
    'yarn prettier --write'
  ]
}
  lint-staged Unset GIT_LITERAL_PATHSPECS (was `undefined`) +1ms
  lint-staged:run Running all linter scripts +0ms
  lint-staged:resolveGitRepo Resolving git repo from `/Users/vamac/Desktop/app` +0ms
  lint-staged:resolveGitRepo Unset GIT_DIR (was `undefined`) +0ms
  lint-staged:git Running git command [ 'rev-parse', '--show-toplevel' ] +0ms
  lint-staged:resolveGitRepo Resolved git directory to be `/Users/vamac/Desktop/app` +13ms
  lint-staged:resolveGitRepo Resolved git config directory to be `/Users/vamac/Desktop/app/.git` +0ms
  lint-staged:git Running git command [ 'log', '-1' ] +13ms
  lint-staged:git Running git command [ 'diff', '--staged', '--diff-filter=ACMR', '--name-only', '-z' ] +9ms
  lint-staged:run Loaded list of staged files in git:
  lint-staged:run [ 'src/screens/EditProfileScreen/EditProfileScreen.tsx' ] +32ms
  lint-staged:chunkFiles Resolved an argument string length of 78 characters from 1 files +0ms
  lint-staged:chunkFiles Creating 1 chunks for maxArgLength of 131072 +0ms
  lint-staged:gen-tasks Generating linter tasks +0ms
  lint-staged:gen-tasks Generated task:
  lint-staged:gen-tasks {
  lint-staged:gen-tasks   pattern: '*.{js,jsx,ts,tsx}',
  lint-staged:gen-tasks   commands: [ 'yarn prettier --write' ],
  lint-staged:gen-tasks   fileList: [
  lint-staged:gen-tasks     '/Users/vamac/Desktop/app/src/screens/EditProfileScreen/EditProfileScreen.tsx'
  lint-staged:gen-tasks   ]
  lint-staged:gen-tasks } +2ms
  lint-staged:gen-tasks Generated task:
  lint-staged:gen-tasks {
  lint-staged:gen-tasks   pattern: 'package.json',
  lint-staged:gen-tasks   commands: [ 'yarn sort-package-json', 'yarn prettier --write' ],
  lint-staged:gen-tasks   fileList: []
  lint-staged:gen-tasks } +0ms
  lint-staged:make-cmd-tasks Creating listr tasks for commands [ 'yarn prettier --write' ] +0ms
  lint-staged:task cmd: yarn +0ms
  lint-staged:task args: [ 'prettier', '--write' ] +0ms
  lint-staged:task execaOptions: { preferLocal: true, reject: false, shell: false } +0ms
  lint-staged:make-cmd-tasks Creating listr tasks for commands [ 'yarn sort-package-json', 'yarn prettier --write' ] +1ms
  lint-staged:task cmd: yarn +0ms
  lint-staged:task args: [ 'sort-package-json' ] +0ms
  lint-staged:task execaOptions: { preferLocal: true, reject: false, shell: false } +0ms
  lint-staged:task cmd: yarn +0ms
  lint-staged:task args: [ 'prettier', '--write' ] +0ms
  lint-staged:task execaOptions: { preferLocal: true, reject: false, shell: false } +0ms
Preparing... [started]
  lint-staged:git Backing up original state... +0ms
  lint-staged:git Getting partially staged files... +0ms
  lint-staged:git Running git command [ 'status', '--porcelain' ] +15ms
  lint-staged:git Found partially staged files: [] +17ms
  lint-staged:git Getting deleted files... +0ms
  lint-staged:git Running git command [ 'ls-files', '--deleted' ] +17ms
  lint-staged:git Found deleted files: [] +9ms
  lint-staged:git Backing up merge state... +0ms
  lint-staged:file Reading file `/Users/vamac/Desktop/app/.git/MERGE_HEAD` +0ms
  lint-staged:file Reading file `/Users/vamac/Desktop/app/.git/MERGE_MODE` +0ms
  lint-staged:file Reading file `/Users/vamac/Desktop/app/.git/MERGE_MSG` +0ms
  lint-staged:file File `/Users/vamac/Desktop/app/.git/MERGE_HEAD` doesn't exist, ignoring... +1ms
  lint-staged:file File `/Users/vamac/Desktop/app/.git/MERGE_MODE` doesn't exist, ignoring... +0ms
  lint-staged:file File `/Users/vamac/Desktop/app/.git/MERGE_MSG` doesn't exist, ignoring... +0ms
  lint-staged:git Done backing up merge state! +1ms
  lint-staged:git Running git command [ 'stash', 'save', 'lint-staged automatic backup' ] +10ms
  lint-staged:git Running git command [ 'stash', 'list' ] +44ms
  lint-staged:git Running git command [ 'stash', 'apply', '--quiet', '--index', 'stash@{0}' ] +16ms
Preparing... [failed]
→ fatal: Unable to create '/Users/vamac/Desktop/app/.git/index.lock': File exists.

Another git process seems to be running in this repository, e.g.
an editor opened by 'git commit'. Please make sure all processes
are terminated then try again. If it still fails, a git process
may have crashed in this repository earlier:
remove the file manually to continue.
error: conflicts in index.Try without --index.
Running tasks... [started]
Running tasks... [skipped]
→ Skipped because of previous git error.
Applying modifications... [started]
Applying modifications... [skipped]
→ Skipped because of previous git error.
Cleaning up... [started]
Cleaning up... [skipped]
→ Skipped because of previous git error.

  ✖ lint-staged failed due to a git error.
  Any lost modifications can be restored from a git stash:

    > git stash list
    stash@{0}: On master: automatic lint-staged backup
    > git stash apply --index stash@{0}

fatal: Unable to create '/Users/vamac/Desktop/app/.git/index.lock': File exists.

Another git process seems to be running in this repository, e.g.
an editor opened by 'git commit'. Please make sure all processes
are terminated then try again. If it still fails, a git process
may have crashed in this repository earlier:
remove the file manually to continue.
error: conflicts in index.Try without --index.
error Command failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command.
husky > pre-commit hook failed (add --no-verify to bypass)

Environment

• OS: mac os mojave
• Node.js: 13.12.0
• lint-staged: 10.1.3

this could be addressed by checking if $PWD/.git/index.lock exists and sleeping a bit to see if git finishes being used. I could be wrong tho so leaving issue issue to get some ideas/feedback

EDIT: added debug logs (sorry 🙏 ) and a new print-screen EDIT2: added debug logs of actual bug happening, been using the lib on debug mode for this

[iiroj]

@Thomazella it was just released, actually, in v10.1.7.

[iiroj]

https://github.com/okonet/lint-staged/pull/850 could help here, since files no longer disappear from the disk and file watchers etc shouldn’t trigger.