diff options
Diffstat (limited to 'node_modules/shelljs/src/mv.js')
-rw-r--r-- | node_modules/shelljs/src/mv.js | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/node_modules/shelljs/src/mv.js b/node_modules/shelljs/src/mv.js new file mode 100644 index 000000000..7fc7cf04c --- /dev/null +++ b/node_modules/shelljs/src/mv.js @@ -0,0 +1,99 @@ +var fs = require('fs'); +var path = require('path'); +var common = require('./common'); +var cp = require('./cp'); +var rm = require('./rm'); + +common.register('mv', _mv, { + cmdOptions: { + 'f': '!no_force', + 'n': 'no_force', + }, +}); + +//@ +//@ ### mv([options ,] source [, source ...], dest') +//@ ### mv([options ,] source_array, dest') +//@ Available options: +//@ +//@ + `-f`: force (default behavior) +//@ + `-n`: no-clobber +//@ +//@ Examples: +//@ +//@ ```javascript +//@ mv('-n', 'file', 'dir/'); +//@ mv('file1', 'file2', 'dir/'); +//@ mv(['file1', 'file2'], 'dir/'); // same as above +//@ ``` +//@ +//@ Moves files. +function _mv(options, sources, dest) { + // Get sources, dest + if (arguments.length < 3) { + common.error('missing <source> and/or <dest>'); + } else if (arguments.length > 3) { + sources = [].slice.call(arguments, 1, arguments.length - 1); + dest = arguments[arguments.length - 1]; + } else if (typeof sources === 'string') { + sources = [sources]; + } else { + // TODO(nate): figure out if we actually need this line + common.error('invalid arguments'); + } + + var exists = fs.existsSync(dest); + var stats = exists && fs.statSync(dest); + + // Dest is not existing dir, but multiple sources given + if ((!exists || !stats.isDirectory()) && sources.length > 1) { + common.error('dest is not a directory (too many sources)'); + } + + // Dest is an existing file, but no -f given + if (exists && stats.isFile() && options.no_force) { + common.error('dest file already exists: ' + dest); + } + + sources.forEach(function (src) { + if (!fs.existsSync(src)) { + common.error('no such file or directory: ' + src, { continue: true }); + return; // skip file + } + + // If here, src exists + + // When copying to '/path/dir': + // thisDest = '/path/dir/file1' + var thisDest = dest; + if (fs.existsSync(dest) && fs.statSync(dest).isDirectory()) { + thisDest = path.normalize(dest + '/' + path.basename(src)); + } + + if (fs.existsSync(thisDest) && options.no_force) { + common.error('dest file already exists: ' + thisDest, { continue: true }); + return; // skip file + } + + if (path.resolve(src) === path.dirname(path.resolve(thisDest))) { + common.error('cannot move to self: ' + src, { continue: true }); + return; // skip file + } + + try { + fs.renameSync(src, thisDest); + } catch (e) { + /* istanbul ignore next */ + if (e.code === 'EXDEV') { + // If we're trying to `mv` to an external partition, we'll actually need + // to perform a copy and then clean up the original file. If either the + // copy or the rm fails with an exception, we should allow this + // exception to pass up to the top level. + cp('-r', src, thisDest); + rm('-rf', src); + } + } + }); // forEach(src) + return ''; +} // mv +module.exports = _mv; |