[bun install] Add `-E` as alias of `--exact` (#5104)

* [bun install] Add `-E` as alias of `--exact`

* Add test for -E flag

2 files changed, 57 insertions, 2 deletions

diff --git a/src/install/install.zig b/src/install/install.zig
index 28a96643d..128534191 100644
--- a/src/install/install.zig
+++ b/src/install/install.zig
@@ -5828,7 +5828,7 @@ pub const PackageManager = struct {
         clap.parseParam("-d, --dev                 Add dependency to \"devDependencies\"") catch unreachable,
         clap.parseParam("-D, --development") catch unreachable,
         clap.parseParam("--optional                        Add dependency to \"optionalDependencies\"") catch unreachable,
-        clap.parseParam("--exact                      Add the exact version instead of the ^range") catch unreachable,
+        clap.parseParam("-E, --exact                  Add the exact version instead of the ^range") catch unreachable,
         clap.parseParam("<POS> ...                         ") catch unreachable,
     };
 
@@ -5844,7 +5844,7 @@ pub const PackageManager = struct {
         clap.parseParam("-d, --dev                 Add dependency to \"devDependencies\"") catch unreachable,
         clap.parseParam("-D, --development") catch unreachable,
         clap.parseParam("--optional                        Add dependency to \"optionalDependencies\"") catch unreachable,
-        clap.parseParam("--exact                      Add the exact version instead of the ^range") catch unreachable,
+        clap.parseParam("-E, --exact                  Add the exact version instead of the ^range") catch unreachable,
         clap.parseParam("<POS> ...                         \"name\" or \"name@version\" of packages to install") catch unreachable,
     };
 
diff --git a/test/cli/install/bun-add.test.ts b/test/cli/install/bun-add.test.ts
index 14ae44f73..eff7fa843 100644
--- a/test/cli/install/bun-add.test.ts
+++ b/test/cli/install/bun-add.test.ts
@@ -360,6 +360,61 @@ it("should add exact version", async () => {
   await access(join(package_dir, "bun.lockb"));
 });
 
+it("should add exact version with -E", async () => {
+  const urls: string[] = [];
+  setHandler(dummyRegistry(urls));
+  await writeFile(
+    join(package_dir, "package.json"),
+    JSON.stringify({
+      name: "foo",
+      version: "0.0.1",
+    }),
+  );
+  const { stdout, stderr, exited } = spawn({
+    cmd: [bunExe(), "add", "-E", "BaR"],
+    cwd: package_dir,
+    stdout: null,
+    stdin: "pipe",
+    stderr: "pipe",
+    env,
+  });
+  expect(stderr).toBeDefined();
+  const err = await new Response(stderr).text();
+  expect(err).toContain("Saved lockfile");
+  expect(stdout).toBeDefined();
+  const out = await new Response(stdout).text();
+  expect(out.replace(/\s*\[[0-9\.]+m?s\]\s*$/, "").split(/\r?\n/)).toEqual([
+    "",
+    " installed BaR@0.0.2",
+    "",
+    "",
+    " 1 packages installed",
+  ]);
+  expect(await exited).toBe(0);
+  expect(urls.sort()).toEqual([`${root_url}/BaR`, `${root_url}/BaR-0.0.2.tgz`]);
+  expect(requested).toBe(2);
+  expect(await readdirSorted(join(package_dir, "node_modules"))).toEqual([".cache", "BaR"]);
+  expect(await readdirSorted(join(package_dir, "node_modules", "BaR"))).toEqual(["package.json"]);
+  expect(await file(join(package_dir, "node_modules", "BaR", "package.json")).json()).toEqual({
+    name: "bar",
+    version: "0.0.2",
+  });
+  expect(await file(join(package_dir, "package.json")).text()).toEqual(
+    JSON.stringify(
+      {
+        name: "foo",
+        version: "0.0.1",
+        dependencies: {
+          BaR: "0.0.2",
+        },
+      },
+      null,
+      2,
+    ),
+  );
+  await access(join(package_dir, "bun.lockb"));
+});
+
 it("should add dependency with specified semver", async () => {
   const urls: string[] = [];
   setHandler(