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Diffstat (limited to 'utils/lib/narwhal/tusk/install.js')
| -rwxr-xr-x | utils/lib/narwhal/tusk/install.js | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/utils/lib/narwhal/tusk/install.js b/utils/lib/narwhal/tusk/install.js deleted file mode 100755 index 9d024dd..0000000 --- a/utils/lib/narwhal/tusk/install.js +++ /dev/null @@ -1,215 +0,0 @@ - -var tusk = require("../tusk"); -var util = require("util"); -var args = require("args"); -var fs = require("file"); -var json = require("json"); -var http = require("http"); -var zip = require("zip"); -var packages = require("packages"); - -var parser = exports.parser = new args.Parser(); - -parser.help('downloads and installs a package and its dependencies'); - -parser.action(function (options) { - exports.install.call(this, options, options.args); -}); - -exports.install = function (options, names) { - - if (!tusk.getCatalogPath().isFile()) { - if (options.simulate) { - this.print("Run 'tusk update' or 'tusk create-catalog' to get a catalog."); - return; - } - tusk.update.call(this, options); - } - - var parser = this; - var catalog = tusk.readCatalog(); - - // download a catalog if the current catalog - // does not have a version label. - if (!catalog.version) { - this.print("Run 'tusk update' or 'tusk create-catalog' to get a catalog."); - this.print("Your catalog version is no longer supported."); - return; - } - - // validate the requested names against those - // in the catalog of downloadable packages. - var names = names.filter(function (name) { - if (!util.has(catalog.packages, name)) { - parser.print("ERROR: Package not found: " + util.enquote(name)); - return false; - } - return true; - }); - - // load the notes on user-requested and dependency packages - // for book keeping. - var notes = tusk.readNotes(); - names.forEach(function (name) { - if (!notes[name]) { - notes[name] = {}; - } - notes[name].requester = "user"; - }); - tusk.writeNotes(notes); - - // note broken dependency chains - var errors = []; - var dependencies = exports.dependencies(catalog.packages, names, errors); - if (errors.length) { - print('The following dependencies could not be found in the catalog:'); - printUl(errors.map(function (ancestry) { - return ancestry.join(' <- '); - })); - print('Please notify the package system maintainers.'); - this.exit(); - } - - // notify of packages already installed - var already = exports.already(packages.catalog, names); - if (already.length) { - print('The following packages are already installed:'); - printUl(already); - } - - // note missing packages - var missing = exports.missing(packages.catalog, dependencies); - if (!missing.length) { - print('No new packages to install.'); - this.exit(); - } - print('The following packages will be downloaded and installed:'); - printUl(missing); - - // download missing packages - var zipsDirectory = tusk.getZipsDirectory(); - zipsDirectory.mkdirs(); - missing.forEach(function (name) { - var info = catalog.packages[name]; - print('Downloading: ' + info.location); - if (options.simulate) - return; - var zipFile = zipsDirectory.join(name + '.zip') - if (options.resume && zipFile.isFile()) - return; - var targetPath = tusk.getDirectory().join('packages', name); - var zipData = http.read(info.location, 'b'); - zipFile.write(zipData, 'b'); - }); - - // install missing packages - missing.forEach(function (name) { - if (!notes[name]) - notes[name] = {} - if (!notes[name].files) - notes[name].files = []; - if (!notes[name].requester) - notes[name].requester = "module"; - try { - var zipFile = zipsDirectory.join(name + '.zip') - print('Unzipping: ' + zipFile); - if (options.simulate) - return; - var targetPath = tusk.getDirectory().join('packages', name); - - // unzip - new zip.Unzip(zipFile).forEach(function (entry) { - if (entry.isDirectory()) - return; - var parts = fs.split(entry.getName()); - parts.shift(); // name-project-comment ref dirname - var path = targetPath.join(fs.join.apply(null, parts)); - path.dirname().mkdirs(); - notes[name].files.push(path); - print(path); - path.write(entry.read('b'), 'b'); - }); - - // write package.json if it was not in the - // archive - var packageJson = targetPath.join('package.json'); - if (!packageJson.isFile()) - packageJson.write( - json.encode(catalog.packages[name], null, 4), - {'charset': 'UTF-8'} - ); - - // make bins executable and make symlinks - // in $SEA/bin - var bin = targetPath.join('bin'); - if (bin.isDirectory()) - bin.list().forEach(function (name) { - var target = targetPath.join('bin', name); - target.chmod(0755); - var sea = tusk.getDirectory().join('bin'); - var source = sea.join(name); - var relative = sea.to(target); - if (!source.linkExists()) { - target.symlink(source); - } - }); - - notes[name].finished = true; - } catch (exception) { - var packageJsonPath = tusk.getDirectory().join('packages', name, 'package.json'); - if (packageJsonPath.isFile()) - packageJsonPath.remove(); - throw exception; - } finally { - tusk.writeNotes(notes); - /* - if (zipFile.isFile()) - zipFile.remove(); - */ - } - }); - - print('Done.'); - -}; - -function printUl(lines) { - lines.forEach(function (line) { - print(' * ' + line); - }); -}; - -exports.dependencies = function (catalog, names, errors) { - var dependencies = {}; - names.forEach(function (name) { - scan(catalog, dependencies, name, [], errors); - }); - return Object.keys(dependencies); -}; - -var scan = function (catalog, dependencies, name, ancestry, errors) { - if (util.has(dependencies, name)) - return; - ancestry = [name].concat(ancestry); - if (!util.has(catalog, name)) { - errors.push(ancestry); - return; - } - dependencies[name] = true; - (catalog[name].dependencies || []).forEach(function (child) { - scan(catalog, dependencies, child, ancestry, errors); - }); -}; - -exports.already = function (catalog, names) { - return names.filter(function (packageName) { - return util.has(catalog, packageName); - }); -}; - -exports.missing = function (catalog, names) { - return names.filter(function (packageName) { - return !util.has(catalog, packageName); - }); -}; - |