diff --git a/cases/cloneScenario.sh b/cases/cloneScenario.sh
new file mode 100755
index 0000000..492fa94
--- /dev/null
+++ b/cases/cloneScenario.sh
@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+# https://stackoverflow.com/a/28776166
+(return 0 2>/dev/null) || (echo "This script should be sourced, not executed."; exit 1)
+
+set -exo pipefail
+
+# We're assuming that $PWD is the directory containing scenario.json.
+
+SCENARIO_REPO=$1
+SCENARIO_NAME=$(basename $PWD)
+SOLUTION_DIR=../../solutions/$SCENARIO_NAME
+
+if ! test -d $SOLUTION_DIR; then
+  git clone --filter blob:none $SCENARIO_REPO $SOLUTION_DIR
+fi
+
+cd $SOLUTION_DIR
+git clean -fdx
+git reset --hard HEAD
+
+if test -z "$SCENARIO_REF"; then
+  SCENARIO_REF=$(git rev-parse HEAD)
+  echo "##vso[task.setvariable variable=SCENARIO_REF]$SCENARIO_REF"
+else
+  git fetch origin $SCENARIO_REF
+  git switch --detach FETCH_HEAD
+fi
diff --git a/cases/scenarios/mui-docs-1/scenario.json b/cases/scenarios/mui-docs-1/scenario.json
new file mode 100644
index 0000000..d551942
--- /dev/null
+++ b/cases/scenarios/mui-docs-1/scenario.json
@@ -0,0 +1,13 @@
+{
+    "name": "mui-docs-1",
+    "kind": "tsc",
+    "args": [
+        "-p",
+        "${suiteDirectory}/mui-docs-1/docs",
+        "--outdir",
+        "${outDirectory}"
+    ],
+    "platforms": [
+        "linux"
+    ]
+}
diff --git a/cases/scenarios/mui-docs-1/setup.sh b/cases/scenarios/mui-docs-1/setup.sh
new file mode 100755
index 0000000..45e22dd
--- /dev/null
+++ b/cases/scenarios/mui-docs-1/setup.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+set -exo pipefail
+cd "${0%/*}"
+
+export SCENARIO_REF=48a29227cb737c6f008a62f9c8c4c47aedd99c43
+source ../../cloneScenario.sh https://github.com/mui/material-ui.git
+
+pnpm install --ignore-scripts
diff --git a/cases/scenarios/mui-docs/setup.sh b/cases/scenarios/mui-docs/setup.sh
index 35aba05..ed180d9 100755
--- a/cases/scenarios/mui-docs/setup.sh
+++ b/cases/scenarios/mui-docs/setup.sh
@@ -1,17 +1,8 @@
 #!/usr/bin/env bash
 
 set -exo pipefail
-
 cd "${0%/*}"
-SCENARIO_NAME=$(basename $PWD)
-SOLUTION_DIR=../../solutions/$SCENARIO_NAME
 
-if ! test -d $SOLUTION_DIR; then
-  git clone --filter blob:none https://github.com/mui/material-ui.git $SOLUTION_DIR
-fi
+source ../../cloneScenario.sh https://github.com/mui/material-ui.git
 
-cd $SOLUTION_DIR
-git clean -fdx
-git reset --hard HEAD
-git switch --detach 48a29227cb737c6f008a62f9c8c4c47aedd99c43
 pnpm install --ignore-scripts
diff --git a/cases/scenarios/self-build-src/setup.sh b/cases/scenarios/self-build-src/setup.sh
index 9eb0c80..cfc0326 100755
--- a/cases/scenarios/self-build-src/setup.sh
+++ b/cases/scenarios/self-build-src/setup.sh
@@ -1,19 +1,10 @@
 #!/usr/bin/env bash
 
 set -exo pipefail
-
 cd "${0%/*}"
-SCENARIO_NAME=$(basename $PWD)
-SOLUTION_DIR=../../solutions/$SCENARIO_NAME
 
-if ! test -d $SOLUTION_DIR; then
-  git clone --filter blob:none https://github.com/microsoft/TypeScript.git $SOLUTION_DIR
-fi
+export SCENARIO_REF=$TYPESCRIPT_COMMIT
+source ../../cloneScenario.sh https://github.com/microsoft/TypeScript.git
 
-cd $SOLUTION_DIR
-git clean -fdx
-git reset --hard HEAD
-git fetch origin ${TYPESCRIPT_COMMIT}
-git switch --detach FETCH_HEAD
 npm ci
 npx hereby generate-diagnostics
diff --git a/cases/scenarios/self-compiler/setup.sh b/cases/scenarios/self-compiler/setup.sh
index 9eb0c80..cfc0326 100755
--- a/cases/scenarios/self-compiler/setup.sh
+++ b/cases/scenarios/self-compiler/setup.sh
@@ -1,19 +1,10 @@
 #!/usr/bin/env bash
 
 set -exo pipefail
-
 cd "${0%/*}"
-SCENARIO_NAME=$(basename $PWD)
-SOLUTION_DIR=../../solutions/$SCENARIO_NAME
 
-if ! test -d $SOLUTION_DIR; then
-  git clone --filter blob:none https://github.com/microsoft/TypeScript.git $SOLUTION_DIR
-fi
+export SCENARIO_REF=$TYPESCRIPT_COMMIT
+source ../../cloneScenario.sh https://github.com/microsoft/TypeScript.git
 
-cd $SOLUTION_DIR
-git clean -fdx
-git reset --hard HEAD
-git fetch origin ${TYPESCRIPT_COMMIT}
-git switch --detach FETCH_HEAD
 npm ci
 npx hereby generate-diagnostics
diff --git a/cases/scenarios/vscode-1/scenario.json b/cases/scenarios/vscode-1/scenario.json
new file mode 100644
index 0000000..17d4d0f
--- /dev/null
+++ b/cases/scenarios/vscode-1/scenario.json
@@ -0,0 +1,13 @@
+{
+    "name": "vscode-1",
+    "kind": "tsc",
+    "args": [
+        "-p",
+        "${suiteDirectory}/vscode-1/src",
+        "--outdir",
+        "${outDirectory}"
+    ],
+    "platforms": [
+        "linux"
+    ]
+}
diff --git a/cases/scenarios/vscode-1/setup.sh b/cases/scenarios/vscode-1/setup.sh
new file mode 100755
index 0000000..86b01cf
--- /dev/null
+++ b/cases/scenarios/vscode-1/setup.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+set -exo pipefail
+cd "${0%/*}"
+
+export SCENARIO_REF=f88bce8fe6a6d2ccd27cbd64bb26853cd8779afa
+source ../../cloneScenario.sh https://github.com/microsoft/vscode.git
+
+COREPACK_ENABLE_STRICT=0 corepack yarn@1.22.21 install --ignore-scripts
diff --git a/cases/scenarios/vscode/setup.sh b/cases/scenarios/vscode/setup.sh
index 95ac8ed..0f5ca47 100755
--- a/cases/scenarios/vscode/setup.sh
+++ b/cases/scenarios/vscode/setup.sh
@@ -1,17 +1,8 @@
 #!/usr/bin/env bash
 
 set -exo pipefail
-
 cd "${0%/*}"
-SCENARIO_NAME=$(basename $PWD)
-SOLUTION_DIR=../../solutions/$SCENARIO_NAME
 
-if ! test -d $SOLUTION_DIR; then
-  git clone --filter blob:none https://github.com/microsoft/vscode.git $SOLUTION_DIR
-fi
+source ../../cloneScenario.sh https://github.com/microsoft/vscode.git
 
-cd $SOLUTION_DIR
-git clean -fdx
-git reset --hard HEAD
-git switch --detach f88bce8fe6a6d2ccd27cbd64bb26853cd8779afa
 COREPACK_ENABLE_STRICT=0 corepack yarn@1.22.21 install --ignore-scripts
diff --git a/cases/scenarios/webpack-1/scenario.json b/cases/scenarios/webpack-1/scenario.json
new file mode 100644
index 0000000..6fd3715
--- /dev/null
+++ b/cases/scenarios/webpack-1/scenario.json
@@ -0,0 +1,13 @@
+{
+    "name": "webpack-1",
+    "kind": "tsc",
+    "args": [
+        "-p",
+        "${suiteDirectory}/webpack-1",
+        "--outdir",
+        "${outDirectory}"
+    ],
+    "platforms": [
+        "linux"
+    ]
+}
diff --git a/cases/scenarios/webpack-1/setup.sh b/cases/scenarios/webpack-1/setup.sh
new file mode 100755
index 0000000..fdbc8a3
--- /dev/null
+++ b/cases/scenarios/webpack-1/setup.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+set -exo pipefail
+cd "${0%/*}"
+
+export SCENARIO_REF=228fc69f40c3e9ec6d99a5105fdc85b5bca4ce43
+source ../../cloneScenario.sh https://github.com/webpack/webpack.git
+
+COREPACK_ENABLE_STRICT=0 corepack yarn@1.22.21 install --ignore-scripts
+
+# https://github.com/webpack/webpack/blob/228fc69f40c3e9ec6d99a5105fdc85b5bca4ce43/.github/workflows/test.yml#L135
+LINK_FOLDER=$PWD/node_modules/.yarn-link
+COREPACK_ENABLE_STRICT=0 corepack yarn@1.22.21 link --link-folder $LINK_FOLDER
+COREPACK_ENABLE_STRICT=0 corepack yarn@1.22.21 link --link-folder $LINK_FOLDER webpack
diff --git a/cases/scenarios/webpack/setup.sh b/cases/scenarios/webpack/setup.sh
index 987b9ba..73a63bd 100755
--- a/cases/scenarios/webpack/setup.sh
+++ b/cases/scenarios/webpack/setup.sh
@@ -1,19 +1,10 @@
 #!/usr/bin/env bash
 
 set -exo pipefail
-
 cd "${0%/*}"
-SCENARIO_NAME=$(basename $PWD)
-SOLUTION_DIR=../../solutions/$SCENARIO_NAME
 
-if ! test -d $SOLUTION_DIR; then
-  git clone --filter blob:none https://github.com/webpack/webpack.git $SOLUTION_DIR
-fi
+source ../../cloneScenario.sh https://github.com/webpack/webpack.git
 
-cd $SOLUTION_DIR
-git clean -fdx
-git reset --hard HEAD
-git switch --detach 228fc69f40c3e9ec6d99a5105fdc85b5bca4ce43
 COREPACK_ENABLE_STRICT=0 corepack yarn@1.22.21 install --ignore-scripts
 
 # https://github.com/webpack/webpack/blob/228fc69f40c3e9ec6d99a5105fdc85b5bca4ce43/.github/workflows/test.yml#L135
diff --git a/cases/solutions/.gitignore b/cases/solutions/.gitignore
index 12798cc..95c20ba 100644
--- a/cases/solutions/.gitignore
+++ b/cases/solutions/.gitignore
@@ -1,5 +1,2 @@
-/vscode/
-/self-compiler/
-/self-build-src/
-/mui-docs/
-/webpack/
+# Ignore all directories; manually add new dirs as unignored if needed.
+/*/