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use crate::events::CodexAcceptedLineFingerprintsEventRequest;
use crate::events::TrackEventRequest;
use codex_git_utils::canonicalize_git_remote_url;
use codex_git_utils::get_git_remote_urls_assume_git_repo;
use sha1::Digest;
use std::path::Path;
#[derive(Clone, Debug, PartialEq, Eq)]
pub(crate) struct AcceptedLineCounts {
pub(crate) accepted_added_lines: u64,
pub(crate) accepted_deleted_lines: u64,
}
pub(crate) struct AcceptedLineFingerprintEventInput {
pub(crate) event_type: &'static str,
pub(crate) turn_id: String,
pub(crate) thread_id: String,
pub(crate) product_surface: Option<String>,
pub(crate) model_slug: Option<String>,
pub(crate) completed_at: u64,
pub(crate) repo_hash: Option<String>,
pub(crate) accepted_added_lines: u64,
pub(crate) accepted_deleted_lines: u64,
}
pub(crate) fn accepted_line_counts_from_unified_diff(unified_diff: &str) -> AcceptedLineCounts {
let mut in_hunk = false;
let mut accepted_added_lines = 0;
let mut accepted_deleted_lines = 0;
for line in unified_diff.lines() {
if line.starts_with("diff --git ") {
in_hunk = false;
continue;
}
if line.starts_with("@@ ") {
in_hunk = true;
continue;
}
if !in_hunk && (line.starts_with("+++ ") || line.starts_with("--- ")) {
continue;
}
if line.starts_with('+') {
accepted_added_lines += 1;
continue;
}
if line.starts_with('-') {
accepted_deleted_lines += 1;
}
}
AcceptedLineCounts {
accepted_added_lines,
accepted_deleted_lines,
}
}
pub fn fingerprint_hash(domain: &str, value: &str) -> String {
let mut hasher = sha1::Sha1::new();
hasher.update(b"file-line-v1\0");
hasher.update(domain.as_bytes());
hasher.update(b"\0");
hasher.update(value.as_bytes());
format!("{:x}", hasher.finalize())
}
pub(crate) fn accepted_line_fingerprint_event_requests(
input: AcceptedLineFingerprintEventInput,
) -> Vec<TrackEventRequest> {
let AcceptedLineFingerprintEventInput {
event_type,
turn_id,
thread_id,
product_surface,
model_slug,
completed_at,
repo_hash,
accepted_added_lines,
accepted_deleted_lines,
} = input;
vec![TrackEventRequest::AcceptedLineFingerprints(Box::new(
CodexAcceptedLineFingerprintsEventRequest {
event_type: "codex_accepted_line_fingerprints",
event_params: CodexAcceptedLineFingerprintsEventParams {
event_type,
turn_id,
thread_id,
product_surface,
model_slug,
completed_at,
repo_hash,
accepted_added_lines,
accepted_deleted_lines,
line_fingerprints: [],
},
},
))]
}
pub async fn accepted_line_repo_hash_for_cwd(cwd: &Path) -> Option<String> {
let remotes = get_git_remote_urls_assume_git_repo(cwd).await?;
remotes
.get("origin")
.or_else(|| remotes.values().next())
.map(|remote_url| {
let canonical_remote_url = canonicalize_git_remote_url(remote_url.as_str())
.unwrap_or_else(|| remote_url.to_string());
fingerprint_hash("repo", &canonical_remote_url)
})
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn parses_accepted_line_counts() {
let diff = "\
diff --git a/src/lib.rs b/src/lib.rs
index 1111111..2222222
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,5 @@
-old line
+fn useful() {
+}
+ return user.id;
context
";
assert_eq!(
accepted_line_counts_from_unified_diff(diff),
AcceptedLineCounts {
accepted_added_lines: 3,
accepted_deleted_lines: 1,
},
);
}
#[test]
fn skips_added_file_metadata_headers() {
let diff = "\
diff --git a/new.py b/new.py
new file mode 100644
index 0000000..1111111
--- /dev/null
+++ b/new.py
@@ -0,0 +1 @@
+print('hello')
";
assert_eq!(
accepted_line_counts_from_unified_diff(diff),
AcceptedLineCounts {
accepted_added_lines: 1,
accepted_deleted_lines: 0,
},
);
}
#[test]
fn parses_hunk_lines_that_look_like_file_headers() {
let diff = "\
diff --git a/src/lib.rs b/src/lib.rs
index 1111111..2222222
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,2 +1,2 @@
--- old value
+++ new value
";
assert_eq!(
accepted_line_counts_from_unified_diff(diff),
AcceptedLineCounts {
accepted_added_lines: 1,
accepted_deleted_lines: 1,
},
);
}
}
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