From 4061fd4afbbfc8e2ce86381bcd02b44a1938fb8d Mon Sep 17 00:00:00 2001
From: Bartek Pacia <barpac02@gmail.com>
Date: Mon, 1 Apr 2024 02:02:30 +0200
Subject: [PATCH 01/14] minor readme fixes

---
 README.md | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index 3a139243..9ad175a5 100644
--- a/README.md
+++ b/README.md
@@ -16,8 +16,8 @@ steps:
   - name: Set up Flutter
     uses: subosito/flutter-action@v2
     with:
-      flutter-version: 3.19.0
       channel: stable
+      flutter-version: 3.19.0
   - run: flutter --version
 ```
 
@@ -43,8 +43,8 @@ steps:
   - name: Set up Flutter
     uses: subosito/flutter-action@v2
     with:
-      flutter-version: 1.22.x
       channel: dev
+      flutter-version: 1.22.x
   - run: flutter --version
 ```
 
@@ -57,8 +57,8 @@ steps:
   - name: Set up Flutter
     uses: subosito/flutter-action@v2
     with:
-      flutter-version: 3.x
       channel: any
+      flutter-version: 3.x
   - run: flutter --version
 ```
 
@@ -71,8 +71,8 @@ steps:
   - name: Set up Flutter
     uses: subosito/flutter-action@v2
     with:
-      flutter-version: 5b12b74 # tag, commit or branch
       channel: master
+      flutter-version: 5b12b74 # tag, commit or branch
   - run: flutter --version
 ```
 
@@ -121,7 +121,7 @@ steps:
   - name: Set up Flutter
     uses: subosito/flutter-action@v2
     with:
-      channel: "stable"
+      channel: stable
   - run: flutter pub get
   - run: flutter test
   - run: flutter build web
@@ -174,7 +174,7 @@ jobs:
       - name: Set up Flutter
         uses: subosito/flutter-action@v2
         with:
-          channel: "stable"
+          channel: stable
       - run: flutter build macos
 ```
 
@@ -220,7 +220,9 @@ steps:
     id: flutter-action
     with:
       channel: stable
-  - run: |
+  - name: Print outputs
+    shell: bash
+    run: |
       echo CACHE-PATH=${{ steps.flutter-action.outputs.CACHE-PATH }}
       echo CACHE-KEY=${{ steps.flutter-action.outputs.CACHE-KEY }}
       echo CHANNEL=${{ steps.flutter-action.outputs.CHANNEL }}
@@ -228,5 +230,4 @@ steps:
       echo ARCHITECTURE=${{ steps.flutter-action.outputs.ARCHITECTURE }}
       echo PUB-CACHE-PATH=${{ steps.flutter-action.outputs.PUB-CACHE-PATH }}
       echo PUB-CACHE-KEY=${{ steps.flutter-action.outputs.PUB-CACHE-KEY }}
-    shell: bash
 ```

From 8d4f976e2bc16657dc4aad70d84596054fc259dc Mon Sep 17 00:00:00 2001
From: Bartek Pacia <barpac02@gmail.com>
Date: Mon, 1 Apr 2024 02:11:46 +0200
Subject: [PATCH 02/14] update README with new info

---
 README.md | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/README.md b/README.md
index 9ad175a5..eca4d45d 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,40 @@ steps:
   - run: flutter --version
 ```
 
+Use version from pubspec.yaml:
+
+```yaml
+steps:
+  - name: Clone repository
+    uses: actions/checkout@v4
+  - name: Set up Flutter
+    uses: subosito/flutter-action@v2
+    with:
+      channel: stable
+      flutter-version-file: pubspec.yaml # path to pubspec.yaml
+  - run: flutter --version
+```
+
+> [!IMPORTANT]
+> For `flutter-version-file` to work, you need to have the exact Flutter version
+> defined in your pubspec.yaml:
+>
+> **Good**
+>
+> ```yaml
+> environment:
+>   sdk: ">=3.3.0 <4.0.0"
+>   flutter: 3.19.0
+> ```
+>
+> **Bad**
+>
+> ```yaml
+> environment:
+>   sdk: ">=3.3.0 <4.0.0"
+>   flutter: ">= 3.19.0 <4.0.0"
+> ```
+
 Use latest release for particular channel:
 
 ```yaml

From 723e3d8893f675641afec0974edbdcd064c56d1c Mon Sep 17 00:00:00 2001
From: Bartek Pacia <barpac02@gmail.com>
Date: Mon, 1 Apr 2024 02:13:24 +0200
Subject: [PATCH 03/14] setup.sh: update arg parsing to add support for
 `flutter-version-file` as `-f pubspec.yaml`

---
 setup.sh | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/setup.sh b/setup.sh
index b411a2b0..6f73ea67 100755
--- a/setup.sh
+++ b/setup.sh
@@ -5,7 +5,12 @@ check_command() {
 }
 
 if ! check_command jq; then
-	echo "jq not found, please install it, https://stedolan.github.io/jq/download/"
+	echo "jq not found. Install it from https://stedolan.github.io/jq"
+	exit 1
+fi
+
+if ! check_command yq; then
+	echo "yq not found. Install it from https://mikefarah.gitbook.io/yq"
 	exit 1
 fi
 
@@ -76,8 +81,9 @@ PRINT_ONLY=""
 TEST_MODE=false
 ARCH=""
 VERSION=""
+VERSION_FILE=""
 
-while getopts 'tc:k:d:l:pa:n:' flag; do
+while getopts 'tc:k:d:l:pa:n:f:' flag; do
 	case "$flag" in
 	c) CACHE_PATH="$OPTARG" ;;
 	k) CACHE_KEY="$OPTARG" ;;
@@ -87,12 +93,24 @@ while getopts 'tc:k:d:l:pa:n:' flag; do
 	t) TEST_MODE=true ;;
 	a) ARCH="$(echo "$OPTARG" | awk '{print tolower($0)}')" ;;
 	n) VERSION="$OPTARG" ;;
+	f) VERSION_FILE="$OPTARG" ;;
 	?) exit 2 ;;
 	esac
 done
 
 [ -z "$ARCH" ] && ARCH="$ARCH_NAME"
 
+
+
+if [ -n "$VERSION_FILE" ]; then
+	if [ -n "$VERSION" ]; then
+		echo "Cannot specify both a version and a version file"
+		exit 1
+	fi
+
+	VERSION="$(yq '.environment.flutter' "$VERSION_FILE")"
+fi
+
 ARR_CHANNEL=("${@:$OPTIND:1}")
 CHANNEL="${ARR_CHANNEL[0]}"
 

From 50c34bfe35ffded698323ee0925f12f6ed4fc843 Mon Sep 17 00:00:00 2001
From: Bartek Pacia <barpac02@gmail.com>
Date: Mon, 1 Apr 2024 02:20:42 +0200
Subject: [PATCH 04/14] action.yaml: add flutter-version-file

---
 action.yaml | 53 +++++++++++++++++++++++++++++++----------------------
 1 file changed, 31 insertions(+), 22 deletions(-)

diff --git a/action.yaml b/action.yaml
index 36cd8edd..b5c90616 100644
--- a/action.yaml
+++ b/action.yaml
@@ -6,14 +6,22 @@ branding:
   color: blue
 
 inputs:
+  channel:
+    description: The Flutter build release channel
+    required: false
+    default: stable
   flutter-version:
     description: The Flutter version to make available on the path
     required: false
     default: any
-  channel:
-    description: The Flutter build release channel
+  flutter-version-file:
+    description: The pubspec.yaml file with exact Flutter version defined
     required: false
-    default: stable
+    default: ""
+  architecture:
+    description: The architecture of Flutter SDK executable (x64 or arm64)
+    required: false
+    default: "${{ runner.arch }}"
   cache:
     description: Cache the Flutter SDK
     required: false
@@ -22,39 +30,38 @@ inputs:
     description: Identifier for the Flutter SDK cache
     required: false
     default: "flutter-:os:-:channel:-:version:-:arch:-:hash:"
-  pub-cache-key:
-    description: Identifier for the Dart .pub-cache cache
-    required: false
-    default: "flutter-pub:os:-:channel:-:version:-:arch:-:hash:"
   cache-path:
     description: Flutter SDK cache path
     required: false
     default: "${{ runner.tool_cache }}/flutter/:channel:-:version:-:arch:"
+  pub-cache-key:
+    description: Identifier for the Dart .pub-cache cache
+    required: false
+    default: "flutter-pub:os:-:channel:-:version:-:arch:-:hash:"
   pub-cache-path:
     description: Flutter pub cache path
     required: false
     default: default
-  architecture:
-    description: The architecture of Flutter SDK executable (x64 or arm64)
-    required: false
-    default: "${{ runner.arch }}"
 
 outputs:
-  CACHE-KEY:
-    value: "${{ steps.flutter-action.outputs.CACHE-KEY }}"
-    description: Key used to cache the Flutter SDK
-  CACHE-PATH:
-    value: "${{ steps.flutter-action.outputs.CACHE-PATH }}"
-    description: Path to Flutter SDK
   CHANNEL:
     value: "${{ steps.flutter-action.outputs.CHANNEL }}"
     description: The selected Flutter release channel
   VERSION:
     value: "${{ steps.flutter-action.outputs.VERSION }}"
     description: The selected Flutter version
+  VERSION_FILE:
+    value: "${{ steps.flutter-action.outputs.VERSION_FILE }}"
+    description: The pubspec.yaml file with exact Flutter version defined
   ARCHITECTURE:
     value: "${{ steps.flutter-action.outputs.ARCHITECTURE }}"
     description: The selected Flutter CPU architecture
+  CACHE-KEY:
+    value: "${{ steps.flutter-action.outputs.CACHE-KEY }}"
+    description: Key used to cache the Flutter SDK
+  CACHE-PATH:
+    value: "${{ steps.flutter-action.outputs.CACHE-PATH }}"
+    description: Path to Flutter SDK
   PUB-CACHE-KEY:
     value: "${{ steps.flutter-action.outputs.PUB-CACHE-KEY }}"
     description: Key used to cache the pub dependencies
@@ -74,12 +81,13 @@ runs:
       shell: bash
       run: |
         $GITHUB_ACTION_PATH/setup.sh -p \
-          -c '${{ inputs.cache-path }}' \
-          -k '${{ inputs.cache-key }}' \
-          -d '${{ inputs.pub-cache-path }}' \
-          -l '${{ inputs.pub-cache-key }}' \
           -n '${{ inputs.flutter-version }}' \
+          -f '${{ inputs.flutter-version-file }}' \
           -a '${{ inputs.architecture }}' \
+          -k '${{ inputs.cache-key }}' \
+          -c '${{ inputs.cache-path }}' \
+          -l '${{ inputs.pub-cache-key }}' \
+          -d '${{ inputs.pub-cache-path }}' \
           ${{ inputs.channel }}
 
     - name: Cache Flutter
@@ -105,7 +113,8 @@ runs:
       shell: bash
       run: |
         $GITHUB_ACTION_PATH/setup.sh \
-          -c '${{ steps.flutter-action.outputs.CACHE-PATH }}' \
           -n '${{ steps.flutter-action.outputs.VERSION }}' \
+          -f '${{ steps.flutter-action.outputs.VERSION_FILE }}' \
           -a '${{ steps.flutter-action.outputs.ARCHITECTURE }}' \
+          -c '${{ steps.flutter-action.outputs.CACHE-PATH }}' \
           ${{ steps.flutter-action.outputs.CHANNEL }}

From d885ff9f4710681707ddef407ea969f0d1a31d6a Mon Sep 17 00:00:00 2001
From: Bartek Pacia <barpac02@gmail.com>
Date: Mon, 1 Apr 2024 02:23:20 +0200
Subject: [PATCH 05/14] setup.sh: require `yq` only when -f option is specified

---
 setup.sh | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/setup.sh b/setup.sh
index 6f73ea67..60deb618 100755
--- a/setup.sh
+++ b/setup.sh
@@ -9,11 +9,6 @@ if ! check_command jq; then
 	exit 1
 fi
 
-if ! check_command yq; then
-	echo "yq not found. Install it from https://mikefarah.gitbook.io/yq"
-	exit 1
-fi
-
 OS_NAME=$(echo "$RUNNER_OS" | awk '{print tolower($0)}')
 ARCH_NAME=$(echo "$RUNNER_ARCH" | awk '{print tolower($0)}')
 MANIFEST_BASE_URL="https://storage.googleapis.com/flutter_infra_release/releases"
@@ -93,15 +88,19 @@ while getopts 'tc:k:d:l:pa:n:f:' flag; do
 	t) TEST_MODE=true ;;
 	a) ARCH="$(echo "$OPTARG" | awk '{print tolower($0)}')" ;;
 	n) VERSION="$OPTARG" ;;
-	f) VERSION_FILE="$OPTARG" ;;
+	f)
+		VERSION_FILE="$OPTARG"
+		if [ -n "$VERSION_FILE" ] && ! check_command yq; then
+			echo "yq not found. Install it from https://mikefarah.gitbook.io/yq"
+			exit 1
+		fi
+		;;
 	?) exit 2 ;;
 	esac
 done
 
 [ -z "$ARCH" ] && ARCH="$ARCH_NAME"
 
-
-
 if [ -n "$VERSION_FILE" ]; then
 	if [ -n "$VERSION" ]; then
 		echo "Cannot specify both a version and a version file"

From ad0b5cabca9112b502dd507a813a493b5ecdd4d3 Mon Sep 17 00:00:00 2001
From: Bartek Pacia <barpac02@gmail.com>
Date: Mon, 1 Apr 2024 02:34:15 +0200
Subject: [PATCH 06/14] fix tests

---
 .github/workflows/workflow.yaml | 2 ++
 test/pubspec.yaml               | 5 +++++
 2 files changed, 7 insertions(+)
 create mode 100644 test/pubspec.yaml

diff --git a/.github/workflows/workflow.yaml b/.github/workflows/workflow.yaml
index 00964ff9..c40263f8 100644
--- a/.github/workflows/workflow.yaml
+++ b/.github/workflows/workflow.yaml
@@ -82,6 +82,8 @@ jobs:
     steps:
       - name: Clone repository
         uses: actions/checkout@v4
+      - run: ./setup.sh -t -p -f test/pubspec.yaml   | grep '3.3.10'
+        shell: bash
       - run: ./setup.sh -t -p                        | grep 'stable'
         shell: bash
       - run: ./setup.sh -t -p                        | grep '3.7.7'
diff --git a/test/pubspec.yaml b/test/pubspec.yaml
new file mode 100644
index 00000000..b4d58fad
--- /dev/null
+++ b/test/pubspec.yaml
@@ -0,0 +1,5 @@
+name: flutter_action_test
+
+environment:
+  dart: ">=2.18.0 <3.0.0"
+  flutter: 3.3.10

From 228763f42b52a52be86af4bdc490b6a2fba5e6a1 Mon Sep 17 00:00:00 2001
From: Bartek Pacia <barpac02@gmail.com>
Date: Mon, 1 Apr 2024 02:41:21 +0200
Subject: [PATCH 07/14] enable shell options: `errexit` and `nounset`

---
 setup.sh | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/setup.sh b/setup.sh
index 60deb618..e3a7491e 100755
--- a/setup.sh
+++ b/setup.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -eu
 
 check_command() {
 	command -v "$1" >/dev/null 2>&1
@@ -102,7 +103,7 @@ done
 [ -z "$ARCH" ] && ARCH="$ARCH_NAME"
 
 if [ -n "$VERSION_FILE" ]; then
-	if [ -n "$VERSION" ]; then
+	if [ -n "$VERSION" ] || [ "$VERSION" != "any" ] ; then
 		echo "Cannot specify both a version and a version file"
 		exit 1
 	fi
@@ -111,7 +112,7 @@ if [ -n "$VERSION_FILE" ]; then
 fi
 
 ARR_CHANNEL=("${@:$OPTIND:1}")
-CHANNEL="${ARR_CHANNEL[0]}"
+CHANNEL="${ARR_CHANNEL[0]:-}"
 
 [ -z "$CHANNEL" ] && CHANNEL=stable
 [ -z "$VERSION" ] && VERSION=any
@@ -127,7 +128,7 @@ CHANNEL="${ARR_CHANNEL[0]}"
 # If `PUB_CACHE` is set already, then it should continue to be used. Otherwise, satisfy it
 # if the action requests a custom path, or set to the Dart default values depending
 # on the operating system.
-if [ -z "$PUB_CACHE" ]; then
+if [ -z "${PUB_CACHE:-}" ]; then
 	if [ "$PUB_CACHE_PATH" != "default" ]; then
 		PUB_CACHE="$PUB_CACHE_PATH"
 	elif [ "$OS_NAME" = "windows" ]; then
@@ -203,7 +204,7 @@ if [ "$PRINT_ONLY" = true ]; then
 		echo "CACHE-PATH=$CACHE_PATH"
 		echo "PUB-CACHE-KEY=$PUB_CACHE_KEY"
 		echo "PUB-CACHE-PATH=$PUB_CACHE"
-	} >>"$GITHUB_OUTPUT"
+	} >>"${GITHUB_OUTPUT:-/dev/null}"
 
 	exit 0
 fi
@@ -224,10 +225,10 @@ fi
 {
 	echo "FLUTTER_ROOT=$CACHE_PATH"
 	echo "PUB_CACHE=$PUB_CACHE"
-} >>"$GITHUB_ENV"
+} >>"${GITHUB_ENV:-/dev/null}"
 
 {
 	echo "$CACHE_PATH/bin"
 	echo "$CACHE_PATH/bin/cache/dart-sdk/bin"
 	echo "$PUB_CACHE/bin"
-} >>"$GITHUB_PATH"
+} >>"${GITHUB_PATH:-/dev/null}"

From ac2ffe2621e065f3f574748ef8234b97546b1e9c Mon Sep 17 00:00:00 2001
From: Bartek Pacia <barpac02@gmail.com>
Date: Mon, 1 Apr 2024 03:11:44 +0200
Subject: [PATCH 08/14] add test for flutter-version-file

---
 .github/workflows/workflow.yaml | 21 +++++++++++++++++++++
 action.yaml                     |  2 +-
 setup.sh                        |  2 +-
 3 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/workflow.yaml b/.github/workflows/workflow.yaml
index c40263f8..ac002688 100644
--- a/.github/workflows/workflow.yaml
+++ b/.github/workflows/workflow.yaml
@@ -76,6 +76,27 @@ jobs:
       - run: flutter --version
         shell: bash
 
+  test_version_file:
+    runs-on: ${{ matrix.operating-system }}
+
+    strategy:
+      matrix:
+        operating-system: [ubuntu-latest]
+
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v4
+      - uses: ./
+        with:
+          channel: stable
+          flutter-version-file: test/pubspec.yaml
+      - name: Verify Dart version
+        run: dart --version | grep '2.18.6'
+        shell: bash
+      - name: Verify Flutter version
+        run: flutter --version | grep '3.3.10'
+        shell: bash
+
   test_print_output:
     runs-on: macos-latest
 
diff --git a/action.yaml b/action.yaml
index b5c90616..1b2144c2 100644
--- a/action.yaml
+++ b/action.yaml
@@ -13,7 +13,7 @@ inputs:
   flutter-version:
     description: The Flutter version to make available on the path
     required: false
-    default: any
+    default: ""
   flutter-version-file:
     description: The pubspec.yaml file with exact Flutter version defined
     required: false
diff --git a/setup.sh b/setup.sh
index e3a7491e..7b0d104b 100755
--- a/setup.sh
+++ b/setup.sh
@@ -103,7 +103,7 @@ done
 [ -z "$ARCH" ] && ARCH="$ARCH_NAME"
 
 if [ -n "$VERSION_FILE" ]; then
-	if [ -n "$VERSION" ] || [ "$VERSION" != "any" ] ; then
+	if [ -n "$VERSION" ]; then
 		echo "Cannot specify both a version and a version file"
 		exit 1
 	fi

From 729f3f4296a0555aff201575500851616f64a8b0 Mon Sep 17 00:00:00 2001
From: Bartek Pacia <barpac02@gmail.com>
Date: Mon, 1 Apr 2024 03:29:45 +0200
Subject: [PATCH 09/14] move falling back to defaults to single place -
 setup.sh

---
 action.yaml | 6 +++---
 setup.sh    | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/action.yaml b/action.yaml
index 1b2144c2..a74581ec 100644
--- a/action.yaml
+++ b/action.yaml
@@ -29,15 +29,15 @@ inputs:
   cache-key:
     description: Identifier for the Flutter SDK cache
     required: false
-    default: "flutter-:os:-:channel:-:version:-:arch:-:hash:"
+    default: ""
   cache-path:
     description: Flutter SDK cache path
     required: false
-    default: "${{ runner.tool_cache }}/flutter/:channel:-:version:-:arch:"
+    default: ""
   pub-cache-key:
     description: Identifier for the Dart .pub-cache cache
     required: false
-    default: "flutter-pub:os:-:channel:-:version:-:arch:-:hash:"
+    default: ""
   pub-cache-path:
     description: Flutter pub cache path
     required: false
diff --git a/setup.sh b/setup.sh
index 7b0d104b..76f2f1be 100755
--- a/setup.sh
+++ b/setup.sh
@@ -117,7 +117,7 @@ CHANNEL="${ARR_CHANNEL[0]:-}"
 [ -z "$CHANNEL" ] && CHANNEL=stable
 [ -z "$VERSION" ] && VERSION=any
 [ -z "$ARCH" ] && ARCH=x64
-[ -z "$CACHE_PATH" ] && CACHE_PATH="$RUNNER_TEMP/flutter/:channel:-:version:-:arch:"
+[ -z "$CACHE_PATH" ] && CACHE_PATH="$RUNNER_TOOL_CACHE/flutter/:channel:-:version:-:arch:"
 [ -z "$CACHE_KEY" ] && CACHE_KEY="flutter-:os:-:channel:-:version:-:arch:-:hash:"
 [ -z "$PUB_CACHE_KEY" ] && PUB_CACHE_KEY="flutter-pub-:os:-:channel:-:version:-:arch:-:hash:"
 [ -z "$PUB_CACHE_PATH" ] && PUB_CACHE_PATH="default"

From 4c5e7d12f8d861cfe156c3c94d1744c77698d75c Mon Sep 17 00:00:00 2001
From: Bartek Pacia <barpac02@gmail.com>
Date: Mon, 1 Apr 2024 03:41:31 +0200
Subject: [PATCH 10/14] debug

---
 .github/workflows/workflow.yaml | 5 ++++-
 setup.sh                        | 2 ++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/workflow.yaml b/.github/workflows/workflow.yaml
index ac002688..b25a859d 100644
--- a/.github/workflows/workflow.yaml
+++ b/.github/workflows/workflow.yaml
@@ -103,7 +103,10 @@ jobs:
     steps:
       - name: Clone repository
         uses: actions/checkout@v4
-      - run: ./setup.sh -t -p -f test/pubspec.yaml   | grep '3.3.10'
+      - run: |
+          ./setup.sh -t -p -f test/pubspec.yaml   | grep '3.3.10'
+          echo "RUNNER_TOOL_CACHE: $RUNNER_TOOL_CACHE"
+          echo "RUNNER_TEMP: $RUNNER_TEMP"
         shell: bash
       - run: ./setup.sh -t -p                        | grep 'stable'
         shell: bash
diff --git a/setup.sh b/setup.sh
index 76f2f1be..9cce2cc2 100755
--- a/setup.sh
+++ b/setup.sh
@@ -188,6 +188,7 @@ if [ "$PRINT_ONLY" = true ]; then
 	if [ "$TEST_MODE" = true ]; then
 		echo "CHANNEL=$info_channel"
 		echo "VERSION=$info_version"
+		# VERSION_FILE is not printed, because it is essentially same as VERSION
 		echo "ARCHITECTURE=$info_architecture"
 		echo "CACHE-KEY=$CACHE_KEY"
 		echo "CACHE-PATH=$CACHE_PATH"
@@ -199,6 +200,7 @@ if [ "$PRINT_ONLY" = true ]; then
 	{
 		echo "CHANNEL=$info_channel"
 		echo "VERSION=$info_version"
+		# VERSION_FILE is not printed, because it is essentially same as VERSION
 		echo "ARCHITECTURE=$info_architecture"
 		echo "CACHE-KEY=$CACHE_KEY"
 		echo "CACHE-PATH=$CACHE_PATH"

From 72d56ba498685fc898703a524eb1d6273f1e89aa Mon Sep 17 00:00:00 2001
From: Bartek Pacia <barpac02@gmail.com>
Date: Mon, 1 Apr 2024 03:43:51 +0200
Subject: [PATCH 11/14] fix tests

---
 .github/workflows/workflow.yaml | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/.github/workflows/workflow.yaml b/.github/workflows/workflow.yaml
index b25a859d..187c4328 100644
--- a/.github/workflows/workflow.yaml
+++ b/.github/workflows/workflow.yaml
@@ -103,10 +103,7 @@ jobs:
     steps:
       - name: Clone repository
         uses: actions/checkout@v4
-      - run: |
-          ./setup.sh -t -p -f test/pubspec.yaml   | grep '3.3.10'
-          echo "RUNNER_TOOL_CACHE: $RUNNER_TOOL_CACHE"
-          echo "RUNNER_TEMP: $RUNNER_TEMP"
+      - run: ./setup.sh -t -p -f test/pubspec.yaml   | grep '3.3.10'
         shell: bash
       - run: ./setup.sh -t -p                        | grep 'stable'
         shell: bash
@@ -172,15 +169,15 @@ jobs:
         shell: bash
       - run: ./setup.sh -t -p -n 0 any               | grep 'flutter-macos-beta-0.11.13-x64-58c8489fcdb4e4ef6c010117584c9b23d15221aa'
         shell: bash
-      - run: ./setup.sh -t -p                        | grep '/Users/runner/work/_temp/flutter/stable-3.7.7-x64'
+      - run: ./setup.sh -t -p                        | grep '/Users/runner/hostedtoolcache/flutter/stable-3.7.7-x64'
         shell: bash
-      - run: ./setup.sh -t -p stable                 | grep '/Users/runner/work/_temp/flutter/stable-3.7.7-x64'
+      - run: ./setup.sh -t -p stable                 | grep '/Users/runner/hostedtoolcache/flutter/stable-3.7.7-x64'
         shell: bash
-      - run: ./setup.sh -t -p beta                   | grep '/Users/runner/work/_temp/flutter/beta-3.9.0-0.1.pre-x64'
+      - run: ./setup.sh -t -p beta                   | grep '/Users/runner/hostedtoolcache/flutter/beta-3.9.0-0.1.pre-x64'
         shell: bash
-      - run: ./setup.sh -t -p dev                    | grep '/Users/runner/work/_temp/flutter/dev-2.11.0-0.1.pre-x64'
+      - run: ./setup.sh -t -p dev                    | grep '/Users/runner/hostedtoolcache/flutter/dev-2.11.0-0.1.pre-x64'
         shell: bash
-      - run: ./setup.sh -t -p master                 | grep '/Users/runner/work/_temp/flutter/master-any-x64'
+      - run: ./setup.sh -t -p master                 | grep '/Users/runner/hostedtoolcache/flutter/master-any-x64'
         shell: bash
       - run: ./setup.sh -t -p -k 'custom-:channel:-:version:-:hash:'       | grep 'custom-stable-3.7.7-2ad6cd72c040113b47ee9055e722606a490ef0da'
         shell: bash

From 3061b99ad9c8030922d067128d9fc5b34c25f241 Mon Sep 17 00:00:00 2001
From: Bartek Pacia <barpac02@gmail.com>
Date: Mon, 1 Apr 2024 03:44:42 +0200
Subject: [PATCH 12/14] action.yaml: reduce number of arguments in the last
 invocation

---
 action.yaml | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/action.yaml b/action.yaml
index a74581ec..6594f64f 100644
--- a/action.yaml
+++ b/action.yaml
@@ -50,9 +50,6 @@ outputs:
   VERSION:
     value: "${{ steps.flutter-action.outputs.VERSION }}"
     description: The selected Flutter version
-  VERSION_FILE:
-    value: "${{ steps.flutter-action.outputs.VERSION_FILE }}"
-    description: The pubspec.yaml file with exact Flutter version defined
   ARCHITECTURE:
     value: "${{ steps.flutter-action.outputs.ARCHITECTURE }}"
     description: The selected Flutter CPU architecture
@@ -114,7 +111,6 @@ runs:
       run: |
         $GITHUB_ACTION_PATH/setup.sh \
           -n '${{ steps.flutter-action.outputs.VERSION }}' \
-          -f '${{ steps.flutter-action.outputs.VERSION_FILE }}' \
           -a '${{ steps.flutter-action.outputs.ARCHITECTURE }}' \
           -c '${{ steps.flutter-action.outputs.CACHE-PATH }}' \
           ${{ steps.flutter-action.outputs.CHANNEL }}

From 8897c3df001119af69ae6cee3d5ae46b8afbcff3 Mon Sep 17 00:00:00 2001
From: Bartek Pacia <barpac02@gmail.com>
Date: Mon, 1 Apr 2024 03:58:56 +0200
Subject: [PATCH 13/14] update README with yq x windows warning

---
 README.md | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index eca4d45d..a4ef4708 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ macOS.
 
 The following sections show how to configure this action.
 
-## Flutter version
+## Specifying Flutter version
 
 Use specific version and channel:
 
@@ -21,7 +21,8 @@ steps:
   - run: flutter --version
 ```
 
-Use version from pubspec.yaml:
+Use version from pubspec.yaml (inspired by
+[`actions/setup-go`](https://github.com/actions/setup-go)):
 
 ```yaml
 steps:
@@ -35,9 +36,8 @@ steps:
   - run: flutter --version
 ```
 
-> [!IMPORTANT]
-> For `flutter-version-file` to work, you need to have the exact Flutter version
-> defined in your pubspec.yaml:
+> [!IMPORTANT] For `flutter-version-file` to work, you need to have the exact
+> Flutter version defined in your pubspec.yaml:
 >
 > **Good**
 >
@@ -55,7 +55,9 @@ steps:
 >   flutter: ">= 3.19.0 <4.0.0"
 > ```
 
-Use latest release for particular channel:
+> [!WARNING]
+> Using `flutter-version-file` requires [`yq`][https://github.com/mikefarah/yq],
+> which is not pre-installed in `windows` images. Install it yourself.
 
 ```yaml
 steps:

From b6150a9d644588978ac48783d01e7dbde7031cfa Mon Sep 17 00:00:00 2001
From: Bartek Pacia <barpac02@gmail.com>
Date: Mon, 1 Apr 2024 04:02:13 +0200
Subject: [PATCH 14/14] improve README

---
 README.md | 38 +++++++++++++++++++++++++-------------
 1 file changed, 25 insertions(+), 13 deletions(-)

diff --git a/README.md b/README.md
index a4ef4708..46c0efcf 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ The following sections show how to configure this action.
 
 ## Specifying Flutter version
 
-Use specific version and channel:
+### Use specific version and channel
 
 ```yaml
 steps:
@@ -21,8 +21,9 @@ steps:
   - run: flutter --version
 ```
 
-Use version from pubspec.yaml (inspired by
-[`actions/setup-go`](https://github.com/actions/setup-go)):
+### Use version from pubspec.yaml
+
+This is inspired by [`actions/setup-go`](https://github.com/actions/setup-go).
 
 ```yaml
 steps:
@@ -36,8 +37,10 @@ steps:
   - run: flutter --version
 ```
 
-> [!IMPORTANT] For `flutter-version-file` to work, you need to have the exact
-> Flutter version defined in your pubspec.yaml:
+> [!IMPORTANT]
+>
+> For `flutter-version-file` to work, you need to have the exact Flutter version
+> defined in your pubspec.yaml:
 >
 > **Good**
 >
@@ -56,6 +59,7 @@ steps:
 > ```
 
 > [!WARNING]
+>
 > Using `flutter-version-file` requires [`yq`][https://github.com/mikefarah/yq],
 > which is not pre-installed in `windows` images. Install it yourself.
 
@@ -70,7 +74,7 @@ steps:
   - run: flutter --version
 ```
 
-Use latest release for particular version and/or channel:
+### Use latest release for particular version and/or channel
 
 ```yaml
 steps:
@@ -84,7 +88,7 @@ steps:
   - run: flutter --version
 ```
 
-Use particular version on any channel:
+### Use particular version on any channel
 
 ```yaml
 steps:
@@ -98,7 +102,7 @@ steps:
   - run: flutter --version
 ```
 
-Use particular git reference on master channel:
+### Use particular git reference on master channel
 
 ```yaml
 steps:
@@ -130,7 +134,11 @@ steps:
   - run: flutter build appbundle
 ```
 
-Build for **iOS** (macOS runners only):
+### Build for iOS
+
+> [!NOTE]
+>
+> Building for iOS requires a macOS runner.
 
 ```yaml
 jobs:
@@ -148,7 +156,7 @@ jobs:
       - run: flutter build ios --release --no-codesign
 ```
 
-Build for the **web**:
+### Build for the web
 
 ```yaml
 steps:
@@ -163,7 +171,7 @@ steps:
   - run: flutter build web
 ```
 
-Build for **Windows**:
+### Build for Windows
 
 ```yaml
 jobs:
@@ -179,7 +187,7 @@ jobs:
       - run: flutter build windows
 ```
 
-Build for **Linux** desktop:
+### Build for Linux desktop
 
 ```yaml
 jobs:
@@ -198,7 +206,11 @@ jobs:
       - run: flutter build linux
 ```
 
-Build for **macOS** desktop:
+### Build for macOS desktop
+
+> [!NOTE]
+>
+> Building for macOS requires a macOS runner.
 
 ```yaml
 jobs: