Fix absolute path removal on windows

Author: owen-mc

go/ql/integration-tests/all-platforms/go/single-go-mod-and-go-files-not-under-it/test.expected

@@ -1,2 +1,2 @@
-| Extraction failed in subdir/test.go with error cannot find package "subdir/subsubdir" in any of:\n\t(absolute path)/src/subdir/subsubdir (from $GOROOT)\n\t(absolute path)/src/subdir/subsubdir (from $GOPATH) | 2 |
+| Extraction failed in subdir/test.go with error cannot find package "subdir/subsubdir" in any of:\n\t(absolute path) (from $GOROOT)\n\t(absolute path) (from $GOPATH) | 2 |
 | Extraction failed in subdir/test.go with error could not import subdir/subsubdir (invalid package name: "") | 2 |

go/ql/integration-tests/all-platforms/go/single-go-work-not-in-root/test.expected

@@ -1,4 +1,4 @@
-| Extraction failed in modules/subdir1/test.go with error cannot find package "subdir1/subsubdir1" in any of:\n\t(absolute path)/src/subdir1/subsubdir1 (from $GOROOT)\n\t(absolute path)/src/subdir1/subsubdir1 (from $GOPATH) | 2 |
+| Extraction failed in modules/subdir1/test.go with error cannot find package "subdir1/subsubdir1" in any of:\n\t(absolute path) (from $GOROOT)\n\t(absolute path) (from $GOPATH) | 2 |
 | Extraction failed in modules/subdir1/test.go with error could not import subdir1/subsubdir1 (invalid package name: "") | 2 |
-| Extraction failed in modules/subdir2/test.go with error cannot find package "subdir2/subsubdir2" in any of:\n\t(absolute path)/src/subdir2/subsubdir2 (from $GOROOT)\n\t(absolute path)/src/subdir2/subsubdir2 (from $GOPATH) | 2 |
+| Extraction failed in modules/subdir2/test.go with error cannot find package "subdir2/subsubdir2" in any of:\n\t(absolute path) (from $GOROOT)\n\t(absolute path) (from $GOPATH) | 2 |
 | Extraction failed in modules/subdir2/test.go with error could not import subdir2/subsubdir2 (invalid package name: "") | 2 |

go/ql/integration-tests/all-platforms/go/two-go-mods-nested-none-in-root/test.expected

@@ -1,4 +1,4 @@
-| Extraction failed in subdir0/subdir1/test.go with error cannot find package "subdir1/subsubdir1" in any of:\n\t(absolute path)/src/subdir1/subsubdir1 (from $GOROOT)\n\t(absolute path)/src/subdir1/subsubdir1 (from $GOPATH) | 2 |
+| Extraction failed in subdir0/subdir1/test.go with error cannot find package "subdir1/subsubdir1" in any of:\n\t(absolute path) (from $GOROOT)\n\t(absolute path) (from $GOPATH) | 2 |
 | Extraction failed in subdir0/subdir1/test.go with error could not import subdir1/subsubdir1 (invalid package name: "") | 2 |
-| Extraction failed in subdir0/test.go with error cannot find package "test/subdir2" in any of:\n\t(absolute path)/src/test/subdir2 (from $GOROOT)\n\t(absolute path)/src/test/subdir2 (from $GOPATH) | 2 |
+| Extraction failed in subdir0/test.go with error cannot find package "test/subdir2" in any of:\n\t(absolute path) (from $GOROOT)\n\t(absolute path) (from $GOPATH) | 2 |
 | Extraction failed in subdir0/test.go with error could not import test/subdir2 (invalid package name: "") | 2 |

go/ql/integration-tests/all-platforms/go/two-go-mods-not-nested/test.expected

@@ -1,4 +1,4 @@
-| Extraction failed in subdir1/test.go with error cannot find package "subdir1/subsubdir1" in any of:\n\t(absolute path)/src/subdir1/subsubdir1 (from $GOROOT)\n\t(absolute path)/src/subdir1/subsubdir1 (from $GOPATH) | 2 |
+| Extraction failed in subdir1/test.go with error cannot find package "subdir1/subsubdir1" in any of:\n\t(absolute path) (from $GOROOT)\n\t(absolute path) (from $GOPATH) | 2 |
 | Extraction failed in subdir1/test.go with error could not import subdir1/subsubdir1 (invalid package name: "") | 2 |
-| Extraction failed in subdir2/test.go with error cannot find package "subdir2/subsubdir2" in any of:\n\t(absolute path)/src/subdir2/subsubdir2 (from $GOROOT)\n\t(absolute path)/src/subdir2/subsubdir2 (from $GOPATH) | 2 |
+| Extraction failed in subdir2/test.go with error cannot find package "subdir2/subsubdir2" in any of:\n\t(absolute path) (from $GOROOT)\n\t(absolute path) (from $GOPATH) | 2 |
 | Extraction failed in subdir2/test.go with error could not import subdir2/subsubdir2 (invalid package name: "") | 2 |

go/ql/lib/semmle/go/DiagnosticsReporting.qll

@@ -38,12 +38,14 @@ private class Diagnostic extends @diagnostic {
 bindingset[msg]
 private string removeAbsolutePaths(string msg) {
   exists(string r |
-    // turn
+    // turn both
     // cannot find package "subdir1/subsubdir1" in any of:\n\t/usr/local/Cellar/go/1.20.5/libexec/src/subdir1/subsubdir1 (from $GOROOT)\n\t/Users/owen-mc/go/src/subdir1/subsubdir1 (from $GOPATH)
+    // and
+    // cannot find package "subdir1/subsubdir1" in any of:\n\tC:\\hostedtoolcache\\windows\\go\\1.20.5\\x64\\src\\subdir1\\subsubdir1 (from $GOROOT)\n\tC:\\Users\\runneradmin\\go\\src\\subdir1\\subsubdir1 (from $GOPATH)
     // into
-    // cannot find package "subdir1/subsubdir1" in any of:\n\t(absolute path)/src/subdir1/subsubdir1 (from $GOROOT)\n\t(absolute path)/src/subdir1/subsubdir1 (from $GOPATH)
+    // cannot find package "subdir1/subsubdir1" in any of:\n\t(absolute path) (from $GOROOT)\n\t(absolute path) (from $GOPATH)
     r =
-      "(cannot find package [^ ]* in any of:\\n\\t)/[^ ]*(/src/[^ ]* \\(from \\$GOROOT\\)\\n\\t)/[^ ]*(/src/[^ ]* \\(from \\$GOPATH\\))" and
+      "(cannot find package [^ ]* in any of:\\n\\t).*( \\(from \\$GOROOT\\)\\n\\t).*( \\(from \\$GOPATH\\))" and
     if exists(msg.regexpCapture(r, 1))
     then
       result =