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fix error when installing dev dependencies

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This commit is contained in:
Jeff Williams 2013-12-25 09:37:16 -08:00
parent 4d236d2d69
commit 63d0582516
1 changed files with 54 additions and 21 deletions
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75
node/postinstall.js
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@ -9,29 +9,62 @@ var jsdocPath = path.resolve( path.join(__dirname, '..') );
var symlinkSrc = path.join( jsdocPath, 'lib', 'jsdoc' );
var symlinkDest = path.join( jsdocPath, 'node_modules', 'jsdoc' );
fs.symlink(symlinkSrc, symlinkDest, 'dir', function(err) {
if (err) {
// On Windows, try to create a junction instead
if (process.platform.indexOf('win') === 0) {
fs.symlink(symlinkSrc, symlinkDest, 'junction', function(junctionErr) {
if (junctionErr) {
console.error('Unable to create a symbolic link or junction from %s to %s.\n' +
'Symbolic link result: %s\nJunction result: %s\n' +
'Make sure you have write privileges in the target directory. ' +
'You may need to run the Windows shell as an administrator.',
symlinkSrc, symlinkDest, err, junctionErr);
process.exit(1);
}
else {
process.exit(0);
}
});
}
else {
console.error('Unable to create a symbolic link from %s to %s. %s\n',
symlinkSrc, symlinkDest, err);
function createJunction(err) {
fs.symlink(symlinkSrc, symlinkDest, 'junction', function(junctionErr) {
if (junctionErr) {
console.error('Unable to create a symbolic link or junction from %s to %s.\n' +
'Symbolic link result: %s\nJunction result: %s\n' +
'Make sure you have write privileges in the target directory. ' +
'You may need to run the Windows shell as an administrator.',
symlinkSrc, symlinkDest, err, junctionErr);
process.exit(1);
}
else {
process.exit(0);
}
});
}
function checkLink() {
fs.readlink(symlinkDest, function(readlinkErr, linkString) {
if (!readlinkErr) {
linkString = path.resolve(path.dirname(symlinkDest), linkString);
if (linkString === symlinkSrc) {
// the existing symlink points to the right place
process.exit(0);
}
else {
console.error('The symlink at %s points to %s, but it should point to %s. ' +
'Please remove the symlink and try again.', symlinkDest, linkString,
symlinkSrc);
process.exit(1);
}
}
else {
console.error('Unable to read the symlink at %s. Please remove the symlink and try ' +
'again', symlinkDest);
process.exit(1);
}
});
}
fs.symlink(symlinkSrc, symlinkDest, 'dir', function(err) {
if (err) {
// Does the symlink already exist? If so, does it point to the right place?
fs.lstat(symlinkDest, function(lstatErr, stats) {
if ( stats && stats.isSymbolicLink() ) {
checkLink();
}
// On Windows, try to create a junction instead
else if (process.platform.indexOf('win') === 0) {
createJunction();
}
else {
console.error('Unable to create a symbolic link from %s to %s. %s\n', symlinkSrc,
symlinkDest, err);
process.exit(1);
}
});
}
else {
process.exit(0);