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Probe for GHCup binary wrt #962 #963

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Merged
merged 1 commit into from
Sep 25, 2023
Merged

Probe for GHCup binary wrt #962 #963

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36 changes: 35 additions & 1 deletion src/hlsBinaries.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ import * as fs from 'fs';
import { stat } from 'fs/promises';
import * as https from 'https';
import * as path from 'path';
import * as os from 'os';
import { match } from 'ts-pattern';
import { promisify } from 'util';
import { ConfigurationTarget, ExtensionContext, ProgressLocation, window, workspace, WorkspaceFolder } from 'vscode';
Expand Down Expand Up @@ -571,7 +572,40 @@ export async function findGHCup(_context: ExtensionContext, logger: Logger, fold
} else {
const localGHCup = ['ghcup'].find(executableExists);
if (!localGHCup) {
throw new MissingToolError('ghcup');
logger.info(`probing for GHCup binary`);
const ghcupExe = match(process.platform)
.with('win32', () => {
const ghcupPrefix = process.env.GHCUP_INSTALL_BASE_PREFIX;
if (ghcupPrefix) {
return path.join(ghcupPrefix, 'ghcup', 'bin', 'ghcup.exe');
} else {
return path.join('C:\\', 'ghcup', 'bin', 'ghcup.exe');
}
})
.otherwise(() => {
const useXDG = process.env.GHCUP_USE_XDG_DIRS;
if (useXDG) {
const xdgBin = process.env.XDG_BIN_HOME;
if (xdgBin) {
return path.join(xdgBin, 'ghcup');
} else {
return path.join(os.homedir(), '.local', 'bin', 'ghcup');
}
} else {
const ghcupPrefix = process.env.GHCUP_INSTALL_BASE_PREFIX;
if (ghcupPrefix) {
return path.join(ghcupPrefix, '.ghcup', 'bin', 'ghcup');
} else {
return path.join(os.homedir(), '.ghcup', 'bin', 'ghcup');
}
}
});
if (ghcupExe != null && executableExists(ghcupExe)) {
return ghcupExe;
} else {
logger.warn(`ghcup at ${ghcupExe} does not exist`);
throw new MissingToolError('ghcup');
}
} else {
logger.info(`found ghcup at ${localGHCup}`);
return localGHCup;
Expand Down