Fall back to co-location heuristic if sourcemap url appears remote

src/utils/sourcemaps.rs

@@ -247,6 +247,19 @@ fn is_remote_url(url: &str) -> bool {
     };
 }
 
+/// Return true if url appears to be a URL path.
+/// Most often, a URL path will begin with `/`,
+/// particularly in the case of static asset collection and hosting,
+/// but such a path is very unlikely to exist in the local filesystem.
+fn is_url_path(url: &str) -> bool {
+    url.starts_with('/') && !Path::new(url).exists()
+}
+
+/// Return true iff url is probably not a local file path.
+fn is_remote_sourcemap(url: &str) -> bool {
+    is_remote_url(url) || is_url_path(url)
+}
+
 impl SourceMapProcessor {
     /// Creates a new sourcemap validator.
     pub fn new() -> SourceMapProcessor {
@@ -378,7 +391,8 @@ impl SourceMapProcessor {
             // that can't be resolved to a source map file.
             // Instead, we pretend we failed to discover the location, and we fall back to
             // guessing the source map location based on the source location.
-            let location = discover_sourcemaps_location(contents).filter(|loc| !is_remote_url(loc));
+            let location =
+                discover_sourcemaps_location(contents).filter(|loc| !is_remote_sourcemap(loc));
             let sourcemap_reference = match location {
                 Some(url) => SourceMapReference::from_url(url.to_string()),
                 None => match guess_sourcemap_reference(&sourcemaps, &source.url) {

tests/integration/_cases/sourcemaps/sourcemaps-inject.trycmd

@@ -2,10 +2,10 @@
 $ sentry-cli sourcemaps inject ./server ./static
 ? success
 > Searching ./server
-> Found 14 files
+> Found 16 files
 > Searching ./static
 > Found 8 files
-> Analyzing 22 sources
+> Analyzing 24 sources
 > Injecting debug ids
 
 Source Map Debug ID Injection Report
@@ -14,6 +14,7 @@ Source Map Debug ID Injection Report
     [..]-[..]-[..]-[..]-[..] - ./server/chunks/1.js
     [..]-[..]-[..]-[..]-[..] - ./server/dummy_embedded.js
     [..]-[..]-[..]-[..]-[..] - ./server/dummy_hosted.js
+    [..]-[..]-[..]-[..]-[..] - ./server/dummy_hosted_full.js
     [..]-[..]-[..]-[..]-[..] - ./server/flight-manifest.js
     [..]-[..]-[..]-[..]-[..] - ./server/pages/_document.js
     [..]-[..]-[..]-[..]-[..] - ./server/pages/api/hello.js
@@ -23,6 +24,7 @@ Source Map Debug ID Injection Report
     [..]-[..]-[..]-[..]-[..] - ./static/chunks/pages/asdf-05b39167abbe433b.js
   Modified: The following sourcemap files have been modified to have debug ids
     [..]-[..]-[..]-[..]-[..] - ./server/dummy_hosted.js.map
+    [..]-[..]-[..]-[..]-[..] - ./server/dummy_hosted_full.js.map
     [..]-[..]-[..]-[..]-[..] - ./server/pages/_document.js.map
     [..]-[..]-[..]-[..]-[..] - ./static/chunks/575-bb7d7e0e6de8d623.js.map
   Ignored: The following source files already have debug ids