fix(add): exact version should not have range ^ specifier (#26302)

Fixes https://github.com/denoland/deno/issues/26299

cli/tools/registry/pm.rs

@@ -617,9 +617,11 @@ async fn find_package_and_select_version_for_req(
         });
       };
       let range_symbol = if req.version_req.version_text().starts_with('~') {
-        '~'
+        "~"
+      } else if req.version_req.version_text() == nv.version.to_string() {
+        ""
       } else {
-        '^'
+        "^"
       };
       Ok(PackageAndVersion::Selected(SelectedPackage {
         import_name: add_package_req.alias,
@@ -637,11 +639,15 @@ async fn find_package_and_select_version_for_req(
           package_req: req,
         });
       };
+
       let range_symbol = if req.version_req.version_text().starts_with('~') {
-        '~'
+        "~"
+      } else if req.version_req.version_text() == nv.version.to_string() {
+        ""
       } else {
-        '^'
+        "^"
       };
+
       Ok(PackageAndVersion::Selected(SelectedPackage {
         import_name: add_package_req.alias,
         package_name: npm_prefixed_name,

tests/specs/add/exact_version/__test__.jsonc

@@ -0,0 +1,35 @@
+{
+  "tempDir": true,
+  "tests": {
+    "npm": {
+      "steps": [
+        {
+          "args": "add npm:@denotest/esm-basic@1.0.0",
+          "output": "npm_add.out"
+        },
+        {
+          "args": [
+            "eval",
+            "console.log(Deno.readTextFileSync('deno.json').trim())"
+          ],
+          "output": "npm_deno.json.out"
+        }
+      ]
+    },
+    "jsr": {
+      "steps": [
+        {
+          "args": "add jsr:@denotest/add@1.0.0",
+          "output": "jsr_add.out"
+        },
+        {
+          "args": [
+            "eval",
+            "console.log(Deno.readTextFileSync('deno.json').trim())"
+          ],
+          "output": "jsr_deno.json.out"
+        }
+      ]
+    }
+  }
+}

tests/specs/add/exact_version/deno.json

@@ -0,0 +1 @@
+{}

tests/specs/add/exact_version/jsr_add.out

@@ -0,0 +1,2 @@
+Add jsr:@denotest/add@1.0.0
+Download http://127.0.0.1:4250/@denotest/add/1.0.0/mod.ts

tests/specs/add/exact_version/jsr_deno.json.out

@@ -0,0 +1,5 @@
+{
+  "imports": {
+    "@denotest/add": "jsr:@denotest/add@1.0.0"
+  }
+}

tests/specs/add/exact_version/npm_add.out

@@ -0,0 +1,3 @@
+Add npm:@denotest/esm-basic@1.0.0
+Download http://localhost:4260/@denotest/esm-basic
+Download http://localhost:4260/@denotest/esm-basic/1.0.0.tgz

tests/specs/add/exact_version/npm_deno.json.out

@@ -0,0 +1,5 @@
+{
+  "imports": {
+    "@denotest/esm-basic": "npm:@denotest/esm-basic@1.0.0"
+  }
+}