Rollup merge of #73350 - nodakai:install-rs-support-nonexistent-prefix, r=Mark-Simulacrum

bootstrap/install.rs: support a nonexistent `prefix` in `x.py install`

PR #49778 introduced fs::canonicalize() which fails for a nonexistent path.
This is a surprise for someone used to GNU Autotools' configure which can create any necessary intermediate directories in prefix.

This change makes it run fs::create_dir_all() before canonicalize().
This commit is contained in:
Ralf Jung 2020-06-19 14:29:33 +02:00 committed by GitHub
commit a59d164490
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@ -70,7 +70,10 @@ fn install_sh(
let libdir_default = PathBuf::from("lib");
let mandir_default = datadir_default.join("man");
let prefix = builder.config.prefix.as_ref().map_or(prefix_default, |p| {
fs::canonicalize(p).unwrap_or_else(|_| panic!("could not canonicalize {}", p.display()))
fs::create_dir_all(p)
.unwrap_or_else(|err| panic!("could not create {}: {}", p.display(), err));
fs::canonicalize(p)
.unwrap_or_else(|err| panic!("could not canonicalize {}: {}", p.display(), err))
});
let sysconfdir = builder.config.sysconfdir.as_ref().unwrap_or(&sysconfdir_default);
let datadir = builder.config.datadir.as_ref().unwrap_or(&datadir_default);