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install.js
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install.js
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var fs = require('fs')
var path = require('path')
var chalk = require('chalk')
var options = require('./index.js').getOptions()
// Is this a self-install? If so, do not copy hooks and quit early
var pkgPath = path.join(options.projectPath, 'package.json')
var pkg = fs.existsSync(pkgPath) && require(pkgPath)
if (pkg && pkg.name && pkg.name === 'commitplease') {
console.log('commitplease: self-install detected, skipping hooks')
process.exit(0)
}
if (options.nohook) {
console.log('commitplease: package.json or .npmrc set to skip hooks')
process.exit(0)
}
function xmkdirSync (path, mode) {
try {
fs.mkdirSync(path, mode)
} catch (err) {
if (/EPERM/.test(err.message)) {
console.error('Failed to create: ' + path)
console.error('Make sure you have the necessary permissions')
process.exit(1)
} else if (/EEXIST/.test(err.message)) {
// do nothing, but this might be a file, not a directory
} else if (/ENOTDIR/.test(err.message)) {
console.log('Will not install in a git submodule')
process.exit(0)
} else {
console.error(err)
process.exit(1)
}
}
}
var git = path.join(options.projectPath, '.git')
var dstHooksPath = path.join(options.projectPath, '.git', 'hooks')
var srcHooksPath = path.join(options.projectPath, 'node_modules', 'commitplease')
xmkdirSync(git, parseInt('755', 8))
xmkdirSync(dstHooksPath, parseInt('755', 8))
var dstCommitHook = path.join(dstHooksPath, 'commit-msg')
var srcCommitHook = path.join(srcHooksPath, 'commit-msg-hook.js')
var dstPrepareHook = path.join(dstHooksPath, 'prepare-commit-msg')
var srcPrepareHook = path.join(srcHooksPath, 'prepare-commit-msg-hook.js')
var dstHooks = [dstCommitHook, dstPrepareHook]
var srcHooks = [srcCommitHook, srcPrepareHook]
// loop twice, try to avoid getting partially installed
dstHooks.forEach(function (dstHook) {
if (fs.existsSync(dstHook)) {
console.log(chalk.red('The following hook already exists:\n' + dstHook))
console.log(chalk.red('Remove it and install this package again to install commitplease properly'))
process.exit(0)
}
})
dstHooks.forEach(function (dstHook, i) {
var srcHook = srcHooks[i]
try {
fs.writeFileSync(dstHook, fs.readFileSync(srcHook))
fs.chmodSync(dstHook, '755')
} catch (e) {
if (/EPERM/.test(e.message)) {
console.error(
chalk.red(
'Failed to write to ' + dstHook +
'\nMake sure you have the necessary permissions.'
)
)
}
throw e
}
})