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4975b54a4f
This implements the following options: `continue`, `code`, `prefix`, & `silent`. Fixes #522, #523
96 lines
2.6 KiB
JavaScript
96 lines
2.6 KiB
JavaScript
var fs = require('fs');
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var path = require('path');
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var common = require('./common');
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var cp = require('./cp');
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var rm = require('./rm');
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common.register('mv', _mv, {
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cmdOptions: {
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'f': '!no_force',
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'n': 'no_force',
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},
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});
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//@
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//@ ### mv([options ,] source [, source ...], dest')
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//@ ### mv([options ,] source_array, dest')
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//@ Available options:
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//@
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//@ + `-f`: force (default behavior)
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//@ + `-n`: no-clobber
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//@
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//@ Examples:
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//@
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//@ ```javascript
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//@ mv('-n', 'file', 'dir/');
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//@ mv('file1', 'file2', 'dir/');
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//@ mv(['file1', 'file2'], 'dir/'); // same as above
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//@ ```
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//@
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//@ Moves files.
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function _mv(options, sources, dest) {
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// Get sources, dest
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if (arguments.length < 3) {
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common.error('missing <source> and/or <dest>');
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} else if (arguments.length > 3) {
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sources = [].slice.call(arguments, 1, arguments.length - 1);
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dest = arguments[arguments.length - 1];
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} else if (typeof sources === 'string') {
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sources = [sources];
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} else {
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common.error('invalid arguments');
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}
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var exists = fs.existsSync(dest);
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var stats = exists && fs.statSync(dest);
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// Dest is not existing dir, but multiple sources given
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if ((!exists || !stats.isDirectory()) && sources.length > 1) {
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common.error('dest is not a directory (too many sources)');
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}
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// Dest is an existing file, but no -f given
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if (exists && stats.isFile() && options.no_force) {
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common.error('dest file already exists: ' + dest);
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}
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sources.forEach(function (src) {
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if (!fs.existsSync(src)) {
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common.error('no such file or directory: ' + src, { continue: true });
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return; // skip file
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}
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// If here, src exists
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// When copying to '/path/dir':
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// thisDest = '/path/dir/file1'
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var thisDest = dest;
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if (fs.existsSync(dest) && fs.statSync(dest).isDirectory()) {
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thisDest = path.normalize(dest + '/' + path.basename(src));
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}
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if (fs.existsSync(thisDest) && options.no_force) {
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common.error('dest file already exists: ' + thisDest, { continue: true });
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return; // skip file
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}
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if (path.resolve(src) === path.dirname(path.resolve(thisDest))) {
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common.error('cannot move to self: ' + src, { continue: true });
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return; // skip file
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}
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try {
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fs.renameSync(src, thisDest);
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} catch (e) {
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if (e.code === 'EXDEV') { // external partition
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// if either of these fails, the appropriate error message will bubble
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// up to the top level automatically
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cp('-r', src, thisDest);
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rm('-rf', src);
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}
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}
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}); // forEach(src)
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return '';
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} // mv
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module.exports = _mv;
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