Add binary extraction

I temporarily removed this during the refactor so it needed to be added
back. This time I bundled it with the nbin loader code since it's all
related (will also make it easier to remove).
This commit is contained in:
Asher 2020-02-19 14:08:22 -06:00
parent b9e7a3daa7
commit 51a5c77cb8
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2 changed files with 51 additions and 35 deletions

View File

@ -260,35 +260,64 @@ class Builder {
* Bundles the built code into a binary.
*/
private async binary(binaryName: string): Promise<void> {
// Prepend code to the target which enables finding files within the binary.
const prependLoader = async (relativeFilePath: string): Promise<void> => {
const prependCode = async (code: string, relativeFilePath: string): Promise<void> => {
const filePath = path.join(this.buildPath, relativeFilePath)
const shim = `
if (!global.NBIN_LOADED) {
try {
const nbin = require("nbin");
nbin.shimNativeFs("${this.buildPath}");
global.NBIN_LOADED = true;
const path = require("path");
const rg = require("vscode-ripgrep");
rg.binaryRgPath = rg.rgPath;
rg.rgPath = path.join(require("os").tmpdir(), "code-server", path.basename(rg.binaryRgPath));
} catch (error) { /* Not in the binary. */ }
}
`
const content = await fs.readFile(filePath, "utf8")
if (!content.startsWith(shim)) {
await fs.writeFile(filePath, shim + content)
if (!content.startsWith(code)) {
await fs.writeFile(filePath, code + content)
}
}
// Unpack binaries since we can't run them within the binary.
const unpack = `
if (global.NBIN_LOADED) {
try {
const fs = require("fs-extra")
const rg = require("vscode-ripgrep")
const path = require("path")
const { logger, field } = require("@coder/logger")
const unpackExecutables = async (filePath, destination) => {
logger.debug("unpacking executable", field("src", filePath), field("dest", destination))
await fs.mkdirp(path.dirname(destination))
if (filePath && !(await fs.pathExists(destination))) {
await fs.writeFile(destination, await fs.readFile(filePath))
await fs.chmod(destination, "755")
}
}
unpackExecutables(rg.binaryRgPath, rg.rgPath).catch((error) => console.warn(error))
} catch (error) {
console.warn(error)
}
}
`
// Enable finding files within the binary.
const loader = `
if (!global.NBIN_LOADED) {
try {
const nbin = require("nbin")
nbin.shimNativeFs("${this.buildPath}")
global.NBIN_LOADED = true
require("@coder/logger").logger.debug("shimmed file system at ${this.buildPath}")
const path = require("path")
const rg = require("vscode-ripgrep")
rg.binaryRgPath = rg.rgPath
rg.rgPath = path.join(require("os").tmpdir(), "code-server/binaries", path.basename(rg.binaryRgPath))
} catch (error) {
// Most likely not in the binary.
}
}
`
await this.task("Prepending nbin loader", () => {
return Promise.all([
prependLoader("out/node/entry.js"),
prependLoader("lib/vscode/out/vs/server/entry.js"),
prependLoader("lib/vscode/out/vs/server/fork.js"),
prependLoader("lib/vscode/out/bootstrap-fork.js"),
prependLoader("lib/vscode/extensions/node_modules/typescript/lib/tsserver.js"),
prependCode(loader, "out/node/entry.js"),
prependCode(loader, "lib/vscode/out/vs/server/entry.js"),
prependCode(loader + unpack, "lib/vscode/out/vs/server/fork.js"),
prependCode(loader, "lib/vscode/out/bootstrap-fork.js"),
prependCode(loader, "lib/vscode/extensions/node_modules/typescript/lib/tsserver.js"),
])
})

View File

@ -151,19 +151,6 @@ export const open = async (url: string): Promise<void> => {
})
}
/**
* Extract a file to the temporary directory and make it executable. This is
* required since we can't execute binaries stored within our binary.
*/
export const unpackExecutables = async (filePath: string): Promise<void> => {
const destination = path.join(tmpdir, "binaries", path.basename(filePath))
if (filePath && !(await util.promisify(fs.exists)(destination))) {
await fs.mkdirp(tmpdir)
await fs.writeFile(destination, await fs.readFile(filePath))
await util.promisify(fs.chmod)(destination, "755")
}
}
/**
* For iterating over an enum's values.
*/