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Commit 2ad2745e0be9 authored by Simon Sapin's avatar Simon Sapin
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rhg: exit with relevant code for unsupported requirements

Differential Revision: https://phab.mercurial-scm.org/D9399
parent 0ce15a8c7b8b
No related merge requests found
......@@ -51,3 +51,22 @@
Err(error) => Err(RequirementsError::Io(error))?,
}
}
pub fn check(repo_root: &Path) -> Result<(), RequirementsError> {
for feature in load(repo_root)? {
if !SUPPORTED.contains(&&*feature) {
return Err(RequirementsError::Unsupported { feature })
}
}
Ok(())
}
// TODO: set this to actually-supported features
const SUPPORTED: &[&str] = &[
"dotencode",
"fncache",
"generaldelta",
"revlogv1",
"sparserevlog",
"store",
];
......@@ -4,6 +4,7 @@
use crate::ui::Ui;
use hg::operations::FindRoot;
use hg::operations::{CatRev, CatRevError, CatRevErrorKind};
use hg::requirements;
use hg::utils::hg_path::HgPathBuf;
use micro_timer::timed;
use std::convert::TryFrom;
......@@ -32,6 +33,7 @@
#[timed]
fn run(&self, ui: &Ui) -> Result<(), CommandError> {
let root = FindRoot::new().run()?;
requirements::check(&root)?;
let cwd = std::env::current_dir()
.or_else(|e| Err(CommandErrorKind::CurrentDirNotFound(e)))?;
......
......@@ -11,6 +11,7 @@
ListRevTrackedFiles, ListRevTrackedFilesError,
ListRevTrackedFilesErrorKind,
};
use hg::requirements;
use hg::utils::files::{get_bytes_from_path, relativize_path};
use hg::utils::hg_path::{HgPath, HgPathBuf};
use std::path::PathBuf;
......@@ -57,6 +58,7 @@
impl<'a> Command for FilesCommand<'a> {
fn run(&self, ui: &Ui) -> Result<(), CommandError> {
let root = FindRoot::new().run()?;
requirements::check(&root)?;
if let Some(rev) = self.rev {
let mut operation = ListRevTrackedFiles::new(&root, rev)
.map_err(|e| map_rev_error(rev, e))?;
......
......@@ -30,6 +30,9 @@
match self {
CommandErrorKind::RootNotFound(_) => exitcode::ABORT,
CommandErrorKind::CurrentDirNotFound(_) => exitcode::ABORT,
CommandErrorKind::RequirementsError(
RequirementsError::Unsupported { .. },
) => exitcode::UNIMPLEMENTED_COMMAND,
CommandErrorKind::RequirementsError(_) => exitcode::ABORT,
CommandErrorKind::StdoutError => exitcode::ABORT,
CommandErrorKind::StderrError => exitcode::ABORT,
......
......@@ -124,3 +124,19 @@
revlogv1
sparserevlog
store
$ echo indoor-pool >> .hg/requires
$ rhg files
[252]
$ rhg cat -r 1 copy_of_original
[252]
$ rhg debugrequirements
dotencode
fncache
generaldelta
revlogv1
sparserevlog
store
indoor-pool
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