Remove legacy InnoSetup GUI installer

On Windows the InnoSetup installer was superseded by the MSI installer. It's no longer needed.

.github/workflows/ci.yml

@@ -90,9 +90,6 @@ jobs:
       - name: install WIX
         run: src/ci/scripts/install-wix.sh
         if: success() && !env.SKIP_JOB
-      - name: install InnoSetup
-        run: src/ci/scripts/install-innosetup.sh
-        if: success() && !env.SKIP_JOB
       - name: ensure the build happens on a partition with enough space
         run: src/ci/scripts/symlink-build-dir.sh
         if: success() && !env.SKIP_JOB
@@ -200,9 +197,6 @@ jobs:
       - name: install WIX
         run: src/ci/scripts/install-wix.sh
         if: success() && !env.SKIP_JOB
-      - name: install InnoSetup
-        run: src/ci/scripts/install-innosetup.sh
-        if: success() && !env.SKIP_JOB
       - name: ensure the build happens on a partition with enough space
         run: src/ci/scripts/symlink-build-dir.sh
         if: success() && !env.SKIP_JOB
@@ -552,9 +546,6 @@ jobs:
       - name: install WIX
         run: src/ci/scripts/install-wix.sh
         if: success() && !env.SKIP_JOB
-      - name: install InnoSetup
-        run: src/ci/scripts/install-innosetup.sh
-        if: success() && !env.SKIP_JOB
       - name: ensure the build happens on a partition with enough space
         run: src/ci/scripts/symlink-build-dir.sh
         if: success() && !env.SKIP_JOB

src/bootstrap/dist.rs

@@ -1859,28 +1859,7 @@ impl Step for Extended {
                 prepare("rust-mingw");
             }
 
-            builder.install(&xform(&etc.join("exe/rust.iss")), &exe, 0o644);
-            builder.install(&etc.join("exe/modpath.iss"), &exe, 0o644);
-            builder.install(&etc.join("exe/upgrade.iss"), &exe, 0o644);
             builder.install(&etc.join("gfx/rust-logo.ico"), &exe, 0o644);
-            builder.create(&exe.join("LICENSE.txt"), &license);
-
-            // Generate exe installer
-            builder.info("building `exe` installer with `iscc`");
-            let mut cmd = Command::new("iscc");
-            cmd.arg("rust.iss").arg("/Q").current_dir(&exe);
-            if target.contains("windows-gnu") {
-                cmd.arg("/dMINGW");
-            }
-            add_env(builder, &mut cmd, target);
-            let time = timeit(builder);
-            builder.run(&mut cmd);
-            drop(time);
-            builder.install(
-                &exe.join(format!("{}-{}.exe", pkgname(builder, "rust"), target)),
-                &distdir(builder),
-                0o755,
-            );
 
             // Generate msi installer
             let wix = PathBuf::from(env::var_os("WIX").unwrap());

src/ci/azure-pipelines/steps/run.yml

@@ -66,10 +66,6 @@ steps:
   displayName: Install wix
   condition: and(succeeded(), not(variables.SKIP_JOB))
 
-- bash: src/ci/scripts/install-innosetup.sh
-  displayName: Install InnoSetup
-  condition: and(succeeded(), not(variables.SKIP_JOB))
-
 - bash: src/ci/scripts/symlink-build-dir.sh
   displayName: Ensure the build happens on a partition with enough space
   condition: and(succeeded(), not(variables.SKIP_JOB))

src/ci/github-actions/ci.yml

@@ -131,10 +131,6 @@ x--expand-yaml-anchors--remove:
         run: src/ci/scripts/install-wix.sh
         <<: *step
 
-      - name: install InnoSetup
-        run: src/ci/scripts/install-innosetup.sh
-        <<: *step
-
       - name: ensure the build happens on a partition with enough space
         run: src/ci/scripts/symlink-build-dir.sh
         <<: *step