fix: add separator between non-contiguous hunks in diff output

Emit a `...` separator line between hunks that have gaps (skipped
unchanged lines), making it clear when diff output jumps across
non-adjacent lines. Also remove unnecessary getrandom feature from
dev-dependencies.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: bartlomieju

libs/resolver/Cargo.toml

@@ -69,5 +69,5 @@ url.workspace = true
 
 [dev-dependencies]
 node_resolver.workspace = true
-sys_traits = { workspace = true, features = ["getrandom", "memory", "real", "serde_json"] }
+sys_traits = { workspace = true, features = ["memory", "real", "serde_json"] }
 test_util.workspace = true

libs/resolver/display.rs

@@ -60,12 +60,25 @@ impl<'a> DiffBuilder<'a> {
 
   fn handle_diff(mut self, diff: Diff) -> String {
     let mut prev_before_end: u32 = 0;
+    let mut is_first_hunk = true;
 
     for hunk in diff.hunks() {
       // Skip unchanged lines between hunks
       let gap_len = (hunk.before.start - prev_before_end) as usize;
+      if gap_len > 0 && !is_first_hunk {
+        writeln!(
+          self.output,
+          "{:width$}{} {}",
+          "",
+          colors::gray(" |"),
+          colors::gray("..."),
+          width = self.line_number_width
+        )
+        .unwrap();
+      }
       self.orig_line += gap_len;
       self.edit_line += gap_len;
+      is_first_hunk = false;
 
       // Interleave deleted/inserted line pairs, then emit remaining
       let del_count = hunk.before.len();
@@ -335,6 +348,7 @@ mod tests {
         " 4 | -    \"npm:@denotest/add@1\": \"1.0.0\"\n",
         " 4 | +    \"npm:@denotest/add@1\": \"1.0.0\",\n",
         " 5 | +    \"npm:@denotest/subtract@1\": \"1.0.0\"\n",
+        "   | ...\n",
         "11 | +    },\n",
         "12 | +    \"@denotest/subtract@1.0.0\": {\n",
         "13 | +      \"integrity\": \"def\",\n",

tests/specs/lockfile/frozen_lockfile/frozen_new_dep_cache.out

@@ -3,6 +3,7 @@ changes:
  4 | -    "npm:@denotest/add@1": "1.0.0"
  4 | +    "npm:@denotest/add@1": "1.0.0",
  5 | +    "npm:@denotest/subtract@1": "1.0.0"
+   | ...
 11 | +    },
 12 | +    "@denotest/subtract@1.0.0": {
 13 | +      "integrity": "[WILDCARD]",

tests/specs/lockfile/frozen_lockfile/frozen_new_dep_dynamic_http.out

@@ -1,6 +1,7 @@
 Download http://localhost:4545/welcome.ts
 error: Uncaught (in promise) TypeError: The lockfile is out of date. Run `deno install --frozen=false`, or rerun with `--frozen=false` to update it.
 changes:
+   | ...
 11 | +  },
 12 | +  "remote": {
 13 | +    "http://localhost:4545/welcome.ts": "7353d5fcbc36c45d26bcbca478cf973092523b07c45999f41319820092b4de31"

tests/specs/lockfile/frozen_lockfile/frozen_new_dep_dynamic_jsr.out

@@ -4,6 +4,7 @@ Download http://127.0.0.1:4250/@denotest/add/1.0.0/mod.ts
 error: Uncaught (in promise) TypeError: The lockfile is out of date. Run `deno install --frozen=false`, or rerun with `--frozen=false` to update it.
 changes:
  4 | +    "jsr:@denotest/add@1": "1.0.0",
+   | ...
  7 | +  "jsr": {
  8 | +    "@denotest/add@1.0.0": {
  9 | +      "integrity": "[WILDCARD]"

tests/specs/lockfile/frozen_lockfile/frozen_new_dep_dynamic_npm.out

@@ -4,6 +4,7 @@ changes:
  4 | -    "npm:@denotest/add@1": "1.0.0"
  4 | +    "npm:@denotest/add@1": "1.0.0",
  5 | +    "npm:@denotest/subtract@1": "1.0.0"
+   | ...
 11 | +    },
 12 | +    "@denotest/subtract@1.0.0": {
 13 | +      "integrity": "[WILDCARD]",

tests/specs/lockfile/frozen_lockfile/frozen_new_dep_jsr_cache.out

@@ -1,6 +1,7 @@
 error: The lockfile is out of date. Run `deno install --frozen=false`, or rerun with `--frozen=false` to update it.
 changes:
  4 | +    "jsr:@denotest/add@0.2.0": "0.2.0",
+   | ...
  8 | +    "@denotest/add@0.2.0": {
  9 | +      "integrity": "[WILDCARD]"
 10 | +    },

tests/specs/lockfile/frozen_lockfile/frozen_new_dep_jsr_run.out

@@ -3,6 +3,7 @@ Download http://127.0.0.1:4250/@denotest/add/0.2.0/mod.ts
 error: The lockfile is out of date. Run `deno install --frozen=false`, or rerun with `--frozen=false` to update it.
 changes:
  4 | +    "jsr:@denotest/add@0.2.0": "0.2.0",
+   | ...
  8 | +    "@denotest/add@0.2.0": {
  9 | +      "integrity": "[WILDCARD]"
 10 | +    },

tests/specs/lockfile/frozen_lockfile/frozen_new_dep_run.out

@@ -4,6 +4,7 @@ changes:
  4 | -    "npm:@denotest/add@1": "1.0.0"
  4 | +    "npm:@denotest/add@1": "1.0.0",
  5 | +    "npm:@denotest/subtract@1": "1.0.0"
+   | ...
 11 | +    },
 12 | +    "@denotest/subtract@1.0.0": {
 13 | +      "integrity": "[WILDCARD]",

tests/specs/lockfile/frozen_lockfile/frozen_package_json_changed.out

@@ -4,6 +4,7 @@ changes:
  4 | -    "npm:@denotest/add@1": "1.0.0"
  4 | +    "npm:@denotest/add@1": "1.0.0",
  5 | +    "npm:@denotest/bin@0.7.0": "0.7.0"
+   | ...
 11 | +    },
 12 | +    "@denotest/bin@0.7.0": {
 13 | +      "integrity": "sha512-RAE7sQrdTUuV4KdDAshObhsULXb2QjTjfRg/KbzE9asZV8dUmwbPZy2kfmE2CunPo8+6DvwPklXFJ4PQi0Usuw==",