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zeta: Update data collection eligibility when license file contents change + add Apache 2.0 (#35900)

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Closes #35070

Release Notes:

- Edit Prediction: Made license detection update eligibility for data
collection when license files change.
- Edit Prediction: Added Apache 2.0 license to opensource licenses
eligible for data collection.
- Edit Prediction: Made license detection less sensitive to whitespace
differences and check more files.
This commit is contained in:
Michael Sloan 2025-08-08 18:38:54 -06:00 • committed by GitHub
parent c053923015
commit 4e97968bcb
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8 changed files with 955 additions and 232 deletions
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654
crates/zeta/src/license_detection.rs
View file

@ -1,204 +1,213 @@
use std::{
collections::BTreeSet,
path::{Path, PathBuf},
sync::{Arc, LazyLock},
};
use fs::Fs;
use futures::StreamExt as _;
use gpui::{App, AppContext as _, Entity, Subscription, Task};
use postage::watch;
use project::Worktree;
use regex::Regex;
use util::ResultExt as _;
use worktree::ChildEntriesOptions;
/// The most common license locations, with US and UK English spelling.
pub const LICENSE_FILES_TO_CHECK: &[&str] = &[
"LICENSE",
"LICENCE",
"LICENSE.txt",
"LICENCE.txt",
"LICENSE.md",
"LICENCE.md",
];
/// Matches the most common license locations, with US and UK English spelling.
const LICENSE_FILE_NAME_REGEX: LazyLock<regex::bytes::Regex> = LazyLock::new(|| {
regex::bytes::RegexBuilder::new(
"^ \
(?: license | licence) \
(?: [\\-._] (?: apache | isc | mit | upl))? \
(?: \\.txt | \\.md)? \
$",
)
.ignore_whitespace(true)
.case_insensitive(true)
.build()
.unwrap()
});
pub fn is_license_eligible_for_data_collection(license: &str) -> bool {
// TODO: Include more licenses later (namely, Apache)
for pattern in [MIT_LICENSE_REGEX, ISC_LICENSE_REGEX, UPL_LICENSE_REGEX] {
let regex = Regex::new(pattern.trim()).unwrap();
if regex.is_match(license.trim()) {
return true;
}
}
false
fn is_license_eligible_for_data_collection(license: &str) -> bool {
const LICENSE_REGEXES: LazyLock<Vec<Regex>> = LazyLock::new(|| {
[
include_str!("license_detection/apache.regex"),
include_str!("license_detection/isc.regex"),
include_str!("license_detection/mit.regex"),
include_str!("license_detection/upl.regex"),
]
.into_iter()
.map(|pattern| Regex::new(&canonicalize_license_text(pattern)).unwrap())
.collect()
});
let license = canonicalize_license_text(license);
LICENSE_REGEXES.iter().any(|regex| regex.is_match(&license))
}
const MIT_LICENSE_REGEX: &str = r#"
^.*MIT License.*
/// Canonicalizes the whitespace of license text and license regexes.
fn canonicalize_license_text(license: &str) -> String {
const PARAGRAPH_SEPARATOR_REGEX: LazyLock<Regex> =
LazyLock::new(|| Regex::new(r"\s*\n\s*\n\s*").unwrap());
Copyright.*?
PARAGRAPH_SEPARATOR_REGEX
.split(license)
.filter(|paragraph| !paragraph.trim().is_empty())
.map(|paragraph| {
paragraph
.trim()
.split_whitespace()
.collect::<Vec<_>>()
.join(" ")
})
.collect::<Vec<_>>()
.join("\n\n")
}
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files \(the "Software"\), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
pub enum LicenseDetectionWatcher {
Local {
is_open_source_rx: watch::Receiver<bool>,
_is_open_source_task: Task<()>,
_worktree_subscription: Subscription,
},
SingleFile,
Remote,
}
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software\.
impl LicenseDetectionWatcher {
pub fn new(worktree: &Entity<Worktree>, cx: &mut App) -> Self {
let worktree_ref = worktree.read(cx);
if worktree_ref.is_single_file() {
return Self::SingleFile;
}
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT\. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE\.$
"#;
let (files_to_check_tx, mut files_to_check_rx) = futures::channel::mpsc::unbounded();
const ISC_LICENSE_REGEX: &str = r#"
^ISC License
let Worktree::Local(local_worktree) = worktree_ref else {
return Self::Remote;
};
let fs = local_worktree.fs().clone();
let worktree_abs_path = local_worktree.abs_path().clone();
Copyright.*?
let options = ChildEntriesOptions {
include_files: true,
include_dirs: false,
include_ignored: true,
};
for top_file in local_worktree.child_entries_with_options(Path::new(""), options) {
let path_bytes = top_file.path.as_os_str().as_encoded_bytes();
if top_file.is_created() && LICENSE_FILE_NAME_REGEX.is_match(path_bytes) {
let rel_path = top_file.path.clone();
files_to_check_tx.unbounded_send(rel_path).ok();
}
}
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies\.
let _worktree_subscription =
cx.subscribe(worktree, move |_worktree, event, _cx| match event {
worktree::Event::UpdatedEntries(updated_entries) => {
for updated_entry in updated_entries.iter() {
let rel_path = &updated_entry.0;
let path_bytes = rel_path.as_os_str().as_encoded_bytes();
if LICENSE_FILE_NAME_REGEX.is_match(path_bytes) {
files_to_check_tx.unbounded_send(rel_path.clone()).ok();
}
}
}
worktree::Event::DeletedEntry(_) | worktree::Event::UpdatedGitRepositories(_) => {}
});
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS\. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE\.$
"#;
let (mut is_open_source_tx, is_open_source_rx) = watch::channel_with::<bool>(false);
const UPL_LICENSE_REGEX: &str = r#"
Copyright.*?
let _is_open_source_task = cx.background_spawn(async move {
let mut eligible_licenses = BTreeSet::new();
while let Some(rel_path) = files_to_check_rx.next().await {
let abs_path = worktree_abs_path.join(&rel_path);
let was_open_source = !eligible_licenses.is_empty();
if Self::is_path_eligible(&fs, abs_path).await.unwrap_or(false) {
eligible_licenses.insert(rel_path);
} else {
eligible_licenses.remove(&rel_path);
}
let is_open_source = !eligible_licenses.is_empty();
if is_open_source != was_open_source {
*is_open_source_tx.borrow_mut() = is_open_source;
}
}
});
The Universal Permissive License.*?
Self::Local {
is_open_source_rx,
_is_open_source_task,
_worktree_subscription,
}
}
Subject to the condition set forth below, permission is hereby granted to any person
obtaining a copy of this software, associated documentation and/or data \(collectively
the "Software"\), free of charge and under any and all copyright rights in the
Software, and any and all patent rights owned or freely licensable by each licensor
hereunder covering either \(i\) the unmodified Software as contributed to or provided
by such licensor, or \(ii\) the Larger Works \(as defined below\), to deal in both
async fn is_path_eligible(fs: &Arc<dyn Fs>, abs_path: PathBuf) -> Option<bool> {
log::info!("checking if `{abs_path:?}` is an open source license");
// Resolve symlinks so that the file size from metadata is correct.
let Some(abs_path) = fs.canonicalize(&abs_path).await.ok() else {
log::info!(
"`{abs_path:?}` license file probably deleted (error canonicalizing the path)"
);
return None;
};
let metadata = fs.metadata(&abs_path).await.log_err()??;
// If the license file is >32kb it's unlikely to legitimately match any eligible license.
if metadata.len > 32768 {
return None;
}
let text = fs.load(&abs_path).await.log_err()?;
let is_eligible = is_license_eligible_for_data_collection(&text);
if is_eligible {
log::info!(
"`{abs_path:?}` matches a license that is eligible for data collection (if enabled)"
);
} else {
log::info!(
"`{abs_path:?}` does not match a license that is eligible for data collection"
);
}
Some(is_eligible)
}
\(a\) the Software, and
\(b\) any piece of software and/or hardware listed in the lrgrwrks\.txt file if one is
included with the Software \(each a "Larger Work" to which the Software is
contributed by such licensors\),
without restriction, including without limitation the rights to copy, create
derivative works of, display, perform, and distribute the Software and make, use,
sell, offer for sale, import, export, have made, and have sold the Software and the
Larger Work\(s\), and to sublicense the foregoing rights on either these or other
terms\.
This license is subject to the following condition:
The above copyright notice and either this complete permission notice or at a minimum
a reference to the UPL must be included in all copies or substantial portions of the
Software\.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT\. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
OR THE USE OR OTHER DEALINGS IN THE SOFTWARE\.$
"#;
/// Answers false until we find out it's open source
pub fn is_project_open_source(&self) -> bool {
match self {
Self::Local {
is_open_source_rx, ..
} => *is_open_source_rx.borrow(),
Self::SingleFile | Self::Remote => false,
}
}
}
#[cfg(test)]
mod tests {
use unindent::unindent;
use crate::is_license_eligible_for_data_collection;
use fs::FakeFs;
use gpui::TestAppContext;
use serde_json::json;
use settings::{Settings as _, SettingsStore};
use unindent::unindent;
use worktree::WorktreeSettings;
use super::*;
const MIT_LICENSE: &str = include_str!("license_detection/mit-text");
const APACHE_LICENSE: &str = include_str!("license_detection/apache-text");
#[test]
fn test_mit_positive_detection() {
let example_license = unindent(
r#"
MIT License
Copyright (c) 2024 John Doe
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
"#
.trim(),
);
assert!(is_license_eligible_for_data_collection(&example_license));
let example_license = unindent(
r#"
The MIT License (MIT)
Copyright (c) 2019 John Doe
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
"#
.trim(),
);
assert!(is_license_eligible_for_data_collection(&example_license));
assert!(is_license_eligible_for_data_collection(&MIT_LICENSE));
}
#[test]
fn test_mit_negative_detection() {
let example_license = unindent(
r#"
MIT License
let example_license = format!(
r#"{MIT_LICENSE}
Copyright (c) 2024 John Doe
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
This project is dual licensed under the MIT License and the Apache License, Version 2.0.
"#
.trim(),
This project is dual licensed under the MIT License and the Apache License, Version 2.0."#
);
assert!(!is_license_eligible_for_data_collection(&example_license));
}
@ -351,4 +360,307 @@ mod tests {
assert!(!is_license_eligible_for_data_collection(&example_license));
}
#[test]
fn test_apache_positive_detection() {
assert!(is_license_eligible_for_data_collection(APACHE_LICENSE));
let license_with_appendix = format!(
r#"{APACHE_LICENSE}
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License."#
);
assert!(is_license_eligible_for_data_collection(
&license_with_appendix
));
// Sometimes people fill in the appendix with copyright info.
let license_with_copyright = license_with_appendix.replace(
"Copyright [yyyy] [name of copyright owner]",
"Copyright 2025 John Doe",
);
assert!(license_with_copyright != license_with_appendix);
assert!(is_license_eligible_for_data_collection(
&license_with_copyright
));
}
#[test]
fn test_apache_negative_detection() {
assert!(!is_license_eligible_for_data_collection(&format!(
"{APACHE_LICENSE}\n\nThe terms in this license are void if P=NP."
)));
}
#[test]
fn test_license_file_name_regex() {
// Test basic license file names
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENCE"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"license"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"licence"));
// Test with extensions
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE.txt"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE.md"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENCE.txt"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENCE.md"));
// Test with specific license types
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE-APACHE"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE-MIT"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE.MIT"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE_MIT"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE-ISC"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE-UPL"));
// Test combinations
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE-MIT.txt"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENCE.ISC.md"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"license_upl"));
// Test case insensitive
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"License"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"license-mit.TXT"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"LICENCE_isc.MD"));
// Test edge cases that should match
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"license.mit"));
assert!(LICENSE_FILE_NAME_REGEX.is_match(b"licence-upl.txt"));
// Test non-matching patterns
assert!(!LICENSE_FILE_NAME_REGEX.is_match(b"COPYING"));
assert!(!LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE.html"));
assert!(!LICENSE_FILE_NAME_REGEX.is_match(b"MYLICENSE"));
assert!(!LICENSE_FILE_NAME_REGEX.is_match(b"src/LICENSE"));
assert!(!LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE.old"));
assert!(!LICENSE_FILE_NAME_REGEX.is_match(b"LICENSE-GPL"));
assert!(!LICENSE_FILE_NAME_REGEX.is_match(b"LICENSEABC"));
assert!(!LICENSE_FILE_NAME_REGEX.is_match(b""));
}
#[test]
fn test_canonicalize_license_text() {
// Test basic whitespace normalization
let input = "Line 1\n Line 2 \n\n\n Line 3 ";
let expected = "Line 1 Line 2\n\nLine 3";
assert_eq!(canonicalize_license_text(input), expected);
// Test paragraph separation
let input = "Paragraph 1\nwith multiple lines\n\n\n\nParagraph 2\nwith more lines";
let expected = "Paragraph 1 with multiple lines\n\nParagraph 2 with more lines";
assert_eq!(canonicalize_license_text(input), expected);
// Test empty paragraphs are filtered out
let input = "\n\n\nParagraph 1\n\n\n \n\n\nParagraph 2\n\n\n";
let expected = "Paragraph 1\n\nParagraph 2";
assert_eq!(canonicalize_license_text(input), expected);
// Test single line
let input = " Single line with spaces ";
let expected = "Single line with spaces";
assert_eq!(canonicalize_license_text(input), expected);
// Test multiple consecutive spaces within lines
let input = "Word1 Word2\n\nWord3 Word4";
let expected = "Word1 Word2\n\nWord3 Word4";
assert_eq!(canonicalize_license_text(input), expected);
// Test tabs and mixed whitespace
let input = "Word1\t\tWord2\n\n Word3\r\n\r\n\r\nWord4 ";
let expected = "Word1 Word2\n\nWord3\n\nWord4";
assert_eq!(canonicalize_license_text(input), expected);
}
#[test]
fn test_license_detection_canonicalizes_whitespace() {
let mit_with_weird_spacing = unindent(
r#"
MIT License
Copyright (c) 2024 John Doe
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
"#
.trim(),
);
assert!(is_license_eligible_for_data_collection(
&mit_with_weird_spacing
));
}
fn init_test(cx: &mut TestAppContext) {
cx.update(|cx| {
let settings_store = SettingsStore::test(cx);
cx.set_global(settings_store);
WorktreeSettings::register(cx);
});
}
#[gpui::test]
async fn test_watcher_single_file(cx: &mut TestAppContext) {
init_test(cx);
let fs = FakeFs::new(cx.background_executor.clone());
fs.insert_tree("/root", json!({ "main.rs": "fn main() {}" }))
.await;
let worktree = Worktree::local(
Path::new("/root/main.rs"),
true,
fs.clone(),
Default::default(),
&mut cx.to_async(),
)
.await
.unwrap();
let watcher = cx.update(|cx| LicenseDetectionWatcher::new(&worktree, cx));
assert!(matches!(watcher, LicenseDetectionWatcher::SingleFile));
assert!(!watcher.is_project_open_source());
}
#[gpui::test]
async fn test_watcher_updates_on_changes(cx: &mut TestAppContext) {
init_test(cx);
let fs = FakeFs::new(cx.background_executor.clone());
fs.insert_tree("/root", json!({ "main.rs": "fn main() {}" }))
.await;
let worktree = Worktree::local(
Path::new("/root"),
true,
fs.clone(),
Default::default(),
&mut cx.to_async(),
)
.await
.unwrap();
let watcher = cx.update(|cx| LicenseDetectionWatcher::new(&worktree, cx));
assert!(matches!(watcher, LicenseDetectionWatcher::Local { .. }));
assert!(!watcher.is_project_open_source());
fs.write(Path::new("/root/LICENSE-MIT"), MIT_LICENSE.as_bytes())
.await
.unwrap();
cx.background_executor.run_until_parked();
assert!(watcher.is_project_open_source());
fs.write(Path::new("/root/LICENSE-APACHE"), APACHE_LICENSE.as_bytes())
.await
.unwrap();
cx.background_executor.run_until_parked();
assert!(watcher.is_project_open_source());
fs.write(Path::new("/root/LICENSE-MIT"), "Nevermind".as_bytes())
.await
.unwrap();
// Still considered open source as LICENSE-APACHE is present
cx.background_executor.run_until_parked();
assert!(watcher.is_project_open_source());
fs.write(
Path::new("/root/LICENSE-APACHE"),
"Also nevermind".as_bytes(),
)
.await
.unwrap();
cx.background_executor.run_until_parked();
assert!(!watcher.is_project_open_source());
}
#[gpui::test]
async fn test_watcher_initially_opensource_and_then_deleted(cx: &mut TestAppContext) {
init_test(cx);
let fs = FakeFs::new(cx.background_executor.clone());
fs.insert_tree(
"/root",
json!({ "main.rs": "fn main() {}", "LICENSE-MIT": MIT_LICENSE }),
)
.await;
let worktree = Worktree::local(
Path::new("/root"),
true,
fs.clone(),
Default::default(),
&mut cx.to_async(),
)
.await
.unwrap();
let watcher = cx.update(|cx| LicenseDetectionWatcher::new(&worktree, cx));
assert!(matches!(watcher, LicenseDetectionWatcher::Local { .. }));
cx.background_executor.run_until_parked();
assert!(watcher.is_project_open_source());
fs.remove_file(
Path::new("/root/LICENSE-MIT"),
fs::RemoveOptions {
recursive: false,
ignore_if_not_exists: false,
},
)
.await
.unwrap();
cx.background_executor.run_until_parked();
assert!(!watcher.is_project_open_source());
}
}

174
crates/zeta/src/license_detection/apache-text Normal file
View file

@ -0,0 +1,174 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
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by such Contributor that are necessarily infringed by their
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cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
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4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
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meet the following conditions:
(a) You must give any other recipients of the Work or
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that such additional attribution notices cannot be construed
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You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
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the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.

201
crates/zeta/src/license_detection/apache.regex Normal file
View file

@ -0,0 +1,201 @@
^Apache License
Version 2\.0, January 2004
http://www\.apache\.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1\. Definitions\.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document\.
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and conversions to other media types\.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
\(an example is provided in the Appendix below\)\.
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on \(or derived from\) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship\. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link \(or bind by name\) to the interfaces of,
the Work and Derivative Works thereof\.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner\. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution\."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work\.
2\. Grant of Copyright License\. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non\-exclusive, no\-charge, royalty\-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form\.
3\. Grant of Patent License\. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non\-exclusive, no\-charge, royalty\-free, irrevocable
\(except as stated in this section\) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution\(s\) alone or by combination of their Contribution\(s\)
with the Work to which such Contribution\(s\) was submitted\. If You
institute patent litigation against any entity \(including a
cross\-claim or counterclaim in a lawsuit\) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed\.
4\. Redistribution\. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
\(a\) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
\(b\) You must cause any modified files to carry prominent notices
stating that You changed the files; and
\(c\) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
\(d\) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third\-party notices normally appear\. The contents
of the NOTICE file are for informational purposes only and
do not modify the License\. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License\.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License\.
5\. Submission of Contributions\. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions\.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions\.
6\. Trademarks\. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file\.
7\. Disclaimer of Warranty\. Unless required by applicable law or
agreed to in writing, Licensor provides the Work \(and each
Contributor provides its Contributions\) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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of TITLE, NON\-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE\. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License\.
8\. Limitation of Liability\. In no event and under no legal theory,
whether in tort \(including negligence\), contract, or otherwise,
unless required by applicable law \(such as deliberate and grossly
negligent acts\) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work \(including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses\), even if such Contributor
has been advised of the possibility of such damages\.
9\. Accepting Warranty or Additional Liability\. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License\. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability\.(:?
END OF TERMS AND CONDITIONS)?(:?
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To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "\[\]"
replaced with your own identifying information\. \(Don't include
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Licensed under the Apache License, Version 2\.0 \(the "License"\);
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Unless required by applicable law or agreed to in writing, software
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See the License for the specific language governing permissions and
limitations under the License\.)?$

15
crates/zeta/src/license_detection/isc.regex Normal file
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@ -0,0 +1,15 @@
^.*ISC License.*
Copyright.*
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies\.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS\. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE\.$

21
crates/zeta/src/license_detection/mit-text Normal file
View file

@ -0,0 +1,21 @@
MIT License
Copyright (c) 2024 John Doe
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

21
crates/zeta/src/license_detection/mit.regex Normal file
View file

@ -0,0 +1,21 @@
^.*MIT License.*
Copyright.*
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files \(the "Software"\), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software\.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT\. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE\.$

35
crates/zeta/src/license_detection/upl.regex Normal file
View file

@ -0,0 +1,35 @@
^Copyright.*
The Universal Permissive License.*
Subject to the condition set forth below, permission is hereby granted to any person
obtaining a copy of this software, associated documentation and/or data \(collectively
the "Software"\), free of charge and under any and all copyright rights in the
Software, and any and all patent rights owned or freely licensable by each licensor
hereunder covering either \(i\) the unmodified Software as contributed to or provided
by such licensor, or \(ii\) the Larger Works \(as defined below\), to deal in both
\(a\) the Software, and
\(b\) any piece of software and/or hardware listed in the lrgrwrks\.txt file if one is
included with the Software \(each a "Larger Work" to which the Software is
contributed by such licensors\),
without restriction, including without limitation the rights to copy, create
derivative works of, display, perform, and distribute the Software and make, use,
sell, offer for sale, import, export, have made, and have sold the Software and the
Larger Work\(s\), and to sublicense the foregoing rights on either these or other
terms\.
This license is subject to the following condition:
The above copyright notice and either this complete permission notice or at a minimum
a reference to the UPL must be included in all copies or substantial portions of the
Software\.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT\. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
OR THE USE OR OTHER DEALINGS IN THE SOFTWARE\.$

66
crates/zeta/src/zeta.rs
View file

@ -10,8 +10,7 @@ pub(crate) use completion_diff_element::*;
use db::kvp::{Dismissable, KEY_VALUE_STORE};
use edit_prediction::DataCollectionState;
pub use init::*;
use license_detection::LICENSE_FILES_TO_CHECK;
pub use license_detection::is_license_eligible_for_data_collection;
use license_detection::LicenseDetectionWatcher;
pub use rate_completion_modal::*;
use anyhow::{Context as _, Result, anyhow};
@ -33,7 +32,6 @@ use language::{
Anchor, Buffer, BufferSnapshot, EditPreview, OffsetRangeExt, ToOffset, ToPoint, text_diff,
};
use language_model::{LlmApiToken, RefreshLlmTokenListener};
use postage::watch;
use project::{Project, ProjectPath};
use release_channel::AppVersion;
use settings::WorktreeId;
@ -253,11 +251,10 @@ impl Zeta {
this.update(cx, move |this, cx| {
if let Some(worktree) = worktree {
worktree.update(cx, |worktree, cx| {
this.license_detection_watchers
.entry(worktree.id())
.or_insert_with(|| Rc::new(LicenseDetectionWatcher::new(worktree, cx)));
});
let worktree_id = worktree.read(cx).id();
this.license_detection_watchers
.entry(worktree_id)
.or_insert_with(|| Rc::new(LicenseDetectionWatcher::new(&worktree, cx)));
}
});
@ -1104,59 +1101,6 @@ pub struct ZedUpdateRequiredError {
minimum_version: SemanticVersion,
}
struct LicenseDetectionWatcher {
is_open_source_rx: watch::Receiver<bool>,
_is_open_source_task: Task<()>,
}
impl LicenseDetectionWatcher {
pub fn new(worktree: &Worktree, cx: &mut Context<Worktree>) -> Self {
let (mut is_open_source_tx, is_open_source_rx) = watch::channel_with::<bool>(false);
// Check if worktree is a single file, if so we do not need to check for a LICENSE file
let task = if worktree.abs_path().is_file() {
Task::ready(())
} else {
let loaded_files = LICENSE_FILES_TO_CHECK
.iter()
.map(Path::new)
.map(|file| worktree.load_file(file, cx))
.collect::<ArrayVec<_, { LICENSE_FILES_TO_CHECK.len() }>>();
cx.background_spawn(async move {
for loaded_file in loaded_files.into_iter() {
let Ok(loaded_file) = loaded_file.await else {
continue;
};
let path = &loaded_file.file.path;
if is_license_eligible_for_data_collection(&loaded_file.text) {
log::info!("detected '{path:?}' as open source license");
*is_open_source_tx.borrow_mut() = true;
} else {
log::info!("didn't detect '{path:?}' as open source license");
}
// stop on the first license that successfully read
return;
}
log::debug!("didn't find a license file to check, assuming closed source");
})
};
Self {
is_open_source_rx,
_is_open_source_task: task,
}
}
/// Answers false until we find out it's open source
pub fn is_project_open_source(&self) -> bool {
*self.is_open_source_rx.borrow()
}
}
fn common_prefix<T1: Iterator<Item = char>, T2: Iterator<Item = char>>(a: T1, b: T2) -> usize {
a.zip(b)
.take_while(|(a, b)| a == b)