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62 lines
2.3 KiB
62 lines
2.3 KiB
9 years ago
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var path = require('path')
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, log = require('npmlog')
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function findNodeDirectory(scriptLocation, processObj) {
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// set dirname and process if not passed in
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// this facilitates regression tests
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if (scriptLocation === undefined) {
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scriptLocation = __dirname
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}
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if (processObj === undefined) {
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processObj = process
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}
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// Have a look to see what is above us, to try and work out where we are
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npm_parent_directory = path.join(scriptLocation, '../../../..')
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log.verbose('node-gyp root', 'npm_parent_directory is '
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+ path.basename(npm_parent_directory))
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node_root_dir = ""
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log.verbose('node-gyp root', 'Finding node root directory')
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if (path.basename(npm_parent_directory) === 'deps') {
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// We are in a build directory where this script lives in
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// deps/npm/node_modules/node-gyp/lib
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node_root_dir = path.join(npm_parent_directory, '..')
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log.verbose('node-gyp root', 'in build directory, root = '
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+ node_root_dir)
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} else if (path.basename(npm_parent_directory) === 'node_modules') {
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// We are in a node install directory where this script lives in
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// lib/node_modules/npm/node_modules/node-gyp/lib or
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// node_modules/npm/node_modules/node-gyp/lib depending on the
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// platform
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if (processObj.platform === 'win32') {
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node_root_dir = path.join(npm_parent_directory, '..')
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} else {
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node_root_dir = path.join(npm_parent_directory, '../..')
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}
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log.verbose('node-gyp root', 'in install directory, root = '
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+ node_root_dir)
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} else {
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// We don't know where we are, try working it out from the location
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// of the node binary
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var node_dir = path.dirname(processObj.execPath)
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var directory_up = path.basename(node_dir)
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if (directory_up === 'bin') {
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node_root_dir = path.join(node_dir, '..')
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} else if (directory_up === 'Release' || directory_up === 'Debug') {
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// If we are a recently built node, and the directory structure
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// is that of a repository. If we are on Windows then we only need
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// to go one level up, everything else, two
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if (processObj.platform === 'win32') {
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node_root_dir = path.join(node_dir, '..')
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} else {
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node_root_dir = path.join(node_dir, '../..')
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}
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}
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// Else return the default blank, "".
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}
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return node_root_dir
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}
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module.exports = findNodeDirectory
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