From c1ddc9cea5701c8754ee720c97badec9fa1a2bc5 Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 07:34:15 +0800
Subject: [PATCH 01/17] add/fix: ci fresh install

---
 .github/workflows/ci-fresh-install.yml | 26 ++++++++++++--------------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index a40c60a..2df8395 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -38,12 +38,11 @@ jobs:
         env:
           XLINGS_NON_INTERACTIVE: '1'
         run: |
-          curl -fsSL https://github.com/d2learn/xlings/releases/download/v0.4.30/xlings-0.4.30-linux-x86_64.tar.gz | tar -xzf - -C /tmp
-          /tmp/xlings-0.4.30-linux-x86_64/subos/default/bin/xlings self install
-          export PATH="$HOME/.xlings/subos/default/bin:$PATH"
+          curl -fsSL https://raw.githubusercontent.com/openxlings/xlings/main/tools/other/quick_install.sh | bash
+          echo "$HOME/.xlings/subos/current/bin" >> "$GITHUB_PATH"
           xlings install mcpp -y
-          echo "$HOME/.xlings/subos/default/bin" >> "$GITHUB_PATH"
           mcpp --version
+          mcpp self config --mirror GLOBAL
 
       - name: "GCC: mcpp new → run"
         run: |
@@ -74,7 +73,6 @@ jobs:
 
       - name: "LLVM: mcpp new → run"
         run: |
-          mcpp self config --mirror GLOBAL
           mcpp toolchain install llvm 20.1.7
           mcpp toolchain default llvm@20.1.7
           cd "$(mktemp -d)"
@@ -102,12 +100,11 @@ jobs:
         env:
           XLINGS_NON_INTERACTIVE: '1'
         run: |
-          curl -fsSL https://github.com/d2learn/xlings/releases/download/v0.4.30/xlings-0.4.30-macosx-arm64.tar.gz | tar -xzf - -C /tmp
-          /tmp/xlings-0.4.30-macosx-arm64/subos/default/bin/xlings self install
-          export PATH="$HOME/.xlings/subos/default/bin:$PATH"
+          curl -fsSL https://raw.githubusercontent.com/openxlings/xlings/main/tools/other/quick_install.sh | bash
+          echo "$HOME/.xlings/subos/current/bin" >> "$GITHUB_PATH"
           xlings install mcpp -y
-          echo "$HOME/.xlings/subos/default/bin" >> "$GITHUB_PATH"
           mcpp --version
+          mcpp self config --mirror GLOBAL
 
       - name: "LLVM: mcpp new → run"
         run: |
@@ -136,14 +133,15 @@ jobs:
         env:
           XLINGS_NON_INTERACTIVE: '1'
         run: |
-          Invoke-WebRequest -Uri "https://github.com/d2learn/xlings/releases/download/v0.4.30/xlings-0.4.30-windows-x86_64.zip" -OutFile "$env:TEMP\xlings.zip"
-          Expand-Archive -Path "$env:TEMP\xlings.zip" -DestinationPath "$env:TEMP\xlings-extract" -Force
-          & "$env:TEMP\xlings-extract\xlings-0.4.30-windows-x86_64\subos\default\bin\xlings.exe" self install
-          $xlingsbin = "$env:USERPROFILE\.xlings\subos\default\bin"
+          irm https://raw.githubusercontent.com/openxlings/xlings/main/tools/other/quick_install.ps1 | iex
+
+          $xlingsbin = "$env:USERPROFILE\.xlings\subos\current\bin"
           $env:PATH = "$xlingsbin;$env:PATH"
-          xlings install mcpp -y
           $xlingsbin | Out-File -Append -FilePath $env:GITHUB_PATH -Encoding utf8
+
+          xlings install mcpp -y
           mcpp --version
+          mcpp self config --mirror GLOBAL
 
       - name: "LLVM: mcpp new → run"
         shell: pwsh

From 3d4e70a490746e39c2f77949823d0f47a1a7ab54 Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 07:37:08 +0800
Subject: [PATCH 02/17] update

---
 .github/workflows/ci-fresh-install.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index 2df8395..9cfc3a8 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -21,7 +21,7 @@ on:
 
 concurrency:
   group: ci-fresh-install
-  cancel-in-progress: true
+  cancel-in-progress: false
 
 jobs:
   # ──────────────────────────────────────────────────────────────────

From 378ed8e3a339fcf1989a5997018140217ffb37af Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 07:39:45 +0800
Subject: [PATCH 03/17] update

---
 .github/workflows/ci-fresh-install.yml | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index 9cfc3a8..496e972 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -8,11 +8,10 @@ name: ci-fresh-install
 #   2. mcpp build (build mcpp itself from source)
 #
 # This workflow tests released mcpp, not PR code.
-# It does NOT run on PRs — only on push to main, manual trigger, and daily schedule.
-# Failures here mean the released mcpp has issues, not that the PR is broken.
+# It runs on PRs to main, manual trigger, and daily schedule.
 
 on:
-  push:
+  pull_request:
     branches: [ main ]
   workflow_dispatch:
   schedule:
@@ -21,7 +20,7 @@ on:
 
 concurrency:
   group: ci-fresh-install
-  cancel-in-progress: false
+  cancel-in-progress: false # use false to test in PRs, true to only test released mcpp
 
 jobs:
   # ──────────────────────────────────────────────────────────────────
@@ -38,7 +37,7 @@ jobs:
         env:
           XLINGS_NON_INTERACTIVE: '1'
         run: |
-          curl -fsSL https://raw.githubusercontent.com/openxlings/xlings/main/tools/other/quick_install.sh | bash
+          curl -fsSL https://raw.githubusercontent.com/openxlings/xlings/main/tools/other/quick_install.sh | bash -s v0.4.38
           echo "$HOME/.xlings/subos/current/bin" >> "$GITHUB_PATH"
           xlings install mcpp -y
           mcpp --version
@@ -100,7 +99,7 @@ jobs:
         env:
           XLINGS_NON_INTERACTIVE: '1'
         run: |
-          curl -fsSL https://raw.githubusercontent.com/openxlings/xlings/main/tools/other/quick_install.sh | bash
+          curl -fsSL https://raw.githubusercontent.com/openxlings/xlings/main/tools/other/quick_install.sh | bash -s v0.4.38
           echo "$HOME/.xlings/subos/current/bin" >> "$GITHUB_PATH"
           xlings install mcpp -y
           mcpp --version

From d824fa3ededd7b981b81f8d5f23fafcb7f269c3e Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 07:44:26 +0800
Subject: [PATCH 04/17] update

---
 .github/workflows/ci-fresh-install.yml | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index 496e972..df0f3ff 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -39,6 +39,9 @@ jobs:
         run: |
           curl -fsSL https://raw.githubusercontent.com/openxlings/xlings/main/tools/other/quick_install.sh | bash -s v0.4.38
           echo "$HOME/.xlings/subos/current/bin" >> "$GITHUB_PATH"
+
+      - name: Install mcpp and config mirror
+        run: |
           xlings install mcpp -y
           mcpp --version
           mcpp self config --mirror GLOBAL
@@ -95,12 +98,15 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Install xlings + mcpp
+      - name: Install xlings
         env:
           XLINGS_NON_INTERACTIVE: '1'
         run: |
           curl -fsSL https://raw.githubusercontent.com/openxlings/xlings/main/tools/other/quick_install.sh | bash -s v0.4.38
           echo "$HOME/.xlings/subos/current/bin" >> "$GITHUB_PATH"
+
+      - name: Install mcpp and config mirror
+        run: |
           xlings install mcpp -y
           mcpp --version
           mcpp self config --mirror GLOBAL
@@ -127,7 +133,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Install xlings + mcpp
+      - name: Install xlings
         shell: pwsh
         env:
           XLINGS_NON_INTERACTIVE: '1'
@@ -138,6 +144,9 @@ jobs:
           $env:PATH = "$xlingsbin;$env:PATH"
           $xlingsbin | Out-File -Append -FilePath $env:GITHUB_PATH -Encoding utf8
 
+      - name: Install mcpp and config mirror
+        shell: pwsh
+        run: |
           xlings install mcpp -y
           mcpp --version
           mcpp self config --mirror GLOBAL

From b5856bda229d76dd8882f343dd26894614aaa173 Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 07:51:13 +0800
Subject: [PATCH 05/17] update

---
 .github/workflows/ci-fresh-install.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index df0f3ff..017af98 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -43,6 +43,7 @@ jobs:
       - name: Install mcpp and config mirror
         run: |
           xlings install mcpp -y
+          which mcpp
           mcpp --version
           mcpp self config --mirror GLOBAL
 
@@ -108,6 +109,7 @@ jobs:
       - name: Install mcpp and config mirror
         run: |
           xlings install mcpp -y
+          which mcpp
           mcpp --version
           mcpp self config --mirror GLOBAL
 

From b879321bb884b65352ec274bedb62b6a30e2fbdb Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 08:00:20 +0800
Subject: [PATCH 06/17] update

---
 .github/workflows/ci-fresh-install.yml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index 017af98..f09b7d0 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -46,10 +46,12 @@ jobs:
           which mcpp
           mcpp --version
           mcpp self config --mirror GLOBAL
+          xlings use mcpp
 
       - name: "GCC: mcpp new → run"
         run: |
           cd "$(mktemp -d)"
+          xlings use mcpp
           mcpp new hello_gcc
           cd hello_gcc
           mcpp run
@@ -112,16 +114,19 @@ jobs:
           which mcpp
           mcpp --version
           mcpp self config --mirror GLOBAL
+          xlings use mcpp
 
       - name: "LLVM: mcpp new → run"
         run: |
           cd "$(mktemp -d)"
+          xlings use mcpp
           mcpp new hello_mac
           cd hello_mac
           mcpp run
 
       - name: "LLVM: build mcpp"
         run: |
+          xlings use mcpp
           mcpp clean
           mcpp build
 
@@ -152,6 +157,7 @@ jobs:
           xlings install mcpp -y
           mcpp --version
           mcpp self config --mirror GLOBAL
+          xlings use mcpp
 
       - name: "LLVM: mcpp new → run"
         shell: pwsh

From 5dee72782ab14d126ae2e3e4a489d67041315601 Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 08:06:22 +0800
Subject: [PATCH 07/17] update

---
 .github/workflows/ci-fresh-install.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index f09b7d0..6e28f85 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -47,10 +47,12 @@ jobs:
           mcpp --version
           mcpp self config --mirror GLOBAL
           xlings use mcpp
+          cat $HOME/.xlings/.xlings.json
 
       - name: "GCC: mcpp new → run"
         run: |
           cd "$(mktemp -d)"
+          cat $HOME/.xlings/.xlings.json
           xlings use mcpp
           mcpp new hello_gcc
           cd hello_gcc

From 0540eb05c1336af3d1cc028cf6295cbb11a3e4cc Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 09:08:27 +0800
Subject: [PATCH 08/17] update

---
 .github/workflows/ci-fresh-install.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index 6e28f85..3b2bfd8 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -42,7 +42,7 @@ jobs:
 
       - name: Install mcpp and config mirror
         run: |
-          xlings install mcpp -y
+          xlings install mcpp -y -g
           which mcpp
           mcpp --version
           mcpp self config --mirror GLOBAL
@@ -112,7 +112,7 @@ jobs:
 
       - name: Install mcpp and config mirror
         run: |
-          xlings install mcpp -y
+          xlings install mcpp -y -g
           which mcpp
           mcpp --version
           mcpp self config --mirror GLOBAL
@@ -156,7 +156,7 @@ jobs:
       - name: Install mcpp and config mirror
         shell: pwsh
         run: |
-          xlings install mcpp -y
+          xlings install mcpp -y -g
           mcpp --version
           mcpp self config --mirror GLOBAL
           xlings use mcpp

From 7a343033cc2ebaf4bee851798846ce2a34180741 Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 09:13:00 +0800
Subject: [PATCH 09/17] update

---
 .github/workflows/ci-fresh-install.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index 3b2bfd8..6327764 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -42,7 +42,7 @@ jobs:
 
       - name: Install mcpp and config mirror
         run: |
-          xlings install mcpp -y -g
+          xlings install mcpp -y --all
           which mcpp
           mcpp --version
           mcpp self config --mirror GLOBAL
@@ -112,7 +112,7 @@ jobs:
 
       - name: Install mcpp and config mirror
         run: |
-          xlings install mcpp -y -g
+          xlings install mcpp -y --all
           which mcpp
           mcpp --version
           mcpp self config --mirror GLOBAL
@@ -156,7 +156,7 @@ jobs:
       - name: Install mcpp and config mirror
         shell: pwsh
         run: |
-          xlings install mcpp -y -g
+          xlings install mcpp -y --all
           mcpp --version
           mcpp self config --mirror GLOBAL
           xlings use mcpp

From 9fe85d38ba59162fe20f5e2d1879bb14378b0a7e Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 09:17:56 +0800
Subject: [PATCH 10/17] update

---
 .github/workflows/ci-fresh-install.yml | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index 6327764..c4e8180 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -42,7 +42,8 @@ jobs:
 
       - name: Install mcpp and config mirror
         run: |
-          xlings install mcpp -y --all
+          xlings install mcpp -y -g
+          xlings install mcpp -y
           which mcpp
           mcpp --version
           mcpp self config --mirror GLOBAL
@@ -112,7 +113,8 @@ jobs:
 
       - name: Install mcpp and config mirror
         run: |
-          xlings install mcpp -y --all
+          xlings install mcpp -y -g
+          xlings install mcpp -y
           which mcpp
           mcpp --version
           mcpp self config --mirror GLOBAL
@@ -156,7 +158,8 @@ jobs:
       - name: Install mcpp and config mirror
         shell: pwsh
         run: |
-          xlings install mcpp -y --all
+          xlings install mcpp -y -g
+          xlings install mcpp -y
           mcpp --version
           mcpp self config --mirror GLOBAL
           xlings use mcpp

From 6fd83925f26b6cb857061d98aae67b2d96aa9140 Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 09:32:11 +0800
Subject: [PATCH 11/17] update

---
 .github/workflows/ci-fresh-install.yml | 31 +++++++++++++++-----------
 1 file changed, 18 insertions(+), 13 deletions(-)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index c4e8180..7db8678 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -42,19 +42,19 @@ jobs:
 
       - name: Install mcpp and config mirror
         run: |
-          xlings install mcpp -y -g
-          xlings install mcpp -y
-          which mcpp
+          xlings install mcpp -y -g  # install to global
+          xlings install mcpp -y     # install to local project (TODO: optimize)
           mcpp --version
           mcpp self config --mirror GLOBAL
+
+          echo "mcpp debug info:"
+          which mcpp
           xlings use mcpp
           cat $HOME/.xlings/.xlings.json
 
       - name: "GCC: mcpp new → run"
         run: |
           cd "$(mktemp -d)"
-          cat $HOME/.xlings/.xlings.json
-          xlings use mcpp
           mcpp new hello_gcc
           cd hello_gcc
           mcpp run
@@ -62,7 +62,7 @@ jobs:
       - name: "GCC: build mcpp"
         run: |
           mcpp clean
-          mcpp build
+          mcpp run
 
       - name: "musl-gcc: mcpp new → run"
         run: |
@@ -77,7 +77,7 @@ jobs:
         run: |
           mcpp toolchain default gcc@15.1.0-musl
           mcpp clean
-          mcpp build
+          mcpp run
 
       - name: "LLVM: mcpp new → run"
         run: |
@@ -92,7 +92,7 @@ jobs:
         run: |
           mcpp toolchain default llvm@20.1.7
           mcpp clean
-          mcpp build
+          mcpp run
 
   # ──────────────────────────────────────────────────────────────────
   # macOS: llvm@20.1.7
@@ -113,12 +113,15 @@ jobs:
 
       - name: Install mcpp and config mirror
         run: |
-          xlings install mcpp -y -g
-          xlings install mcpp -y
-          which mcpp
+          xlings install mcpp -y -g  # install to global
+          xlings install mcpp -y     # install to local project (TODO: optimize)
           mcpp --version
           mcpp self config --mirror GLOBAL
+
+          echo "mcpp debug info:"
+          which mcpp
           xlings use mcpp
+          cat $HOME/.xlings/.xlings.json
 
       - name: "LLVM: mcpp new → run"
         run: |
@@ -132,7 +135,7 @@ jobs:
         run: |
           xlings use mcpp
           mcpp clean
-          mcpp build
+          mcpp run
 
   # ──────────────────────────────────────────────────────────────────
   # Windows: llvm@20.1.7 + MSVC STL
@@ -160,6 +163,8 @@ jobs:
         run: |
           xlings install mcpp -y -g
           xlings install mcpp -y
+
+          cat "$env:USERPROFILE\.xlings\.xlings.json"
           mcpp --version
           mcpp self config --mirror GLOBAL
           xlings use mcpp
@@ -177,4 +182,4 @@ jobs:
         shell: pwsh
         run: |
           mcpp clean
-          mcpp build
+          mcpp run

From 9fb190ebf3afa03d7371bf59921b0918586c44c7 Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 09:53:40 +0800
Subject: [PATCH 12/17] update

---
 .github/workflows/ci-fresh-install.yml | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index 7db8678..b825081 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -43,13 +43,11 @@ jobs:
       - name: Install mcpp and config mirror
         run: |
           xlings install mcpp -y -g  # install to global
-          xlings install mcpp -y     # install to local project (TODO: optimize)
           mcpp --version
           mcpp self config --mirror GLOBAL
 
           echo "mcpp debug info:"
           which mcpp
-          xlings use mcpp
           cat $HOME/.xlings/.xlings.json
 
       - name: "GCC: mcpp new → run"
@@ -114,13 +112,11 @@ jobs:
       - name: Install mcpp and config mirror
         run: |
           xlings install mcpp -y -g  # install to global
-          xlings install mcpp -y     # install to local project (TODO: optimize)
           mcpp --version
           mcpp self config --mirror GLOBAL
 
           echo "mcpp debug info:"
           which mcpp
-          xlings use mcpp
           cat $HOME/.xlings/.xlings.json
 
       - name: "LLVM: mcpp new → run"
@@ -162,12 +158,10 @@ jobs:
         shell: pwsh
         run: |
           xlings install mcpp -y -g
-          xlings install mcpp -y
 
           cat "$env:USERPROFILE\.xlings\.xlings.json"
           mcpp --version
           mcpp self config --mirror GLOBAL
-          xlings use mcpp
 
       - name: "LLVM: mcpp new → run"
         shell: pwsh

From 9833f495bbeac6c904a4d7305b14f330aa196d3e Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 10:00:57 +0800
Subject: [PATCH 13/17] update

---
 .github/workflows/ci-fresh-install.yml | 2 --
 1 file changed, 2 deletions(-)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index b825081..624af9d 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -122,14 +122,12 @@ jobs:
       - name: "LLVM: mcpp new → run"
         run: |
           cd "$(mktemp -d)"
-          xlings use mcpp
           mcpp new hello_mac
           cd hello_mac
           mcpp run
 
       - name: "LLVM: build mcpp"
         run: |
-          xlings use mcpp
           mcpp clean
           mcpp run
 

From ea18f96088819da221a4af37e117d36869fdc13a Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 10:08:21 +0800
Subject: [PATCH 14/17] update

---
 .github/workflows/ci-fresh-install.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index 624af9d..d036160 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -157,6 +157,7 @@ jobs:
         run: |
           xlings install mcpp -y -g
 
+          cat .xlings/.xlings.json
           cat "$env:USERPROFILE\.xlings\.xlings.json"
           mcpp --version
           mcpp self config --mirror GLOBAL

From beeb75f1cdc7538583e1acb02acdf77a3a6f3f16 Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 10:12:02 +0800
Subject: [PATCH 15/17] update

---
 .github/workflows/ci-fresh-install.yml | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index d036160..35a96ea 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -50,14 +50,14 @@ jobs:
           which mcpp
           cat $HOME/.xlings/.xlings.json
 
-      - name: "GCC: mcpp new → run"
+      - name: "Default: mcpp new → run"
         run: |
           cd "$(mktemp -d)"
           mcpp new hello_gcc
           cd hello_gcc
           mcpp run
 
-      - name: "GCC: build mcpp"
+      - name: "Default: build mcpp"
         run: |
           mcpp clean
           mcpp run
@@ -77,6 +77,21 @@ jobs:
           mcpp clean
           mcpp run
 
+      - name: "gcc 16: mcpp new → run"
+        run: |
+          mcpp toolchain install gcc 16.1.0
+          mcpp toolchain default gcc@16.1.0
+          cd "$(mktemp -d)"
+          mcpp new hello_gcc16
+          cd hello_gcc16
+          mcpp run
+
+      - name: "gcc 16: build mcpp"
+        run: |
+          mcpp toolchain default gcc@16.1.0
+          mcpp clean
+          mcpp run
+
       - name: "LLVM: mcpp new → run"
         run: |
           mcpp toolchain install llvm 20.1.7

From 0fd1cbdaf51a10f89add6fc1fbd1fca213aa1e95 Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 10:13:21 +0800
Subject: [PATCH 16/17] update

---
 .github/workflows/ci-fresh-install.yml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index 35a96ea..56db9b7 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -170,9 +170,8 @@ jobs:
       - name: Install mcpp and config mirror
         shell: pwsh
         run: |
-          xlings install mcpp -y -g
+          xlings install mcpp -y -g --verbose
 
-          cat .xlings/.xlings.json
           cat "$env:USERPROFILE\.xlings\.xlings.json"
           mcpp --version
           mcpp self config --mirror GLOBAL

From 82f183a7988b04a7469078d9e47f6808d7509caf Mon Sep 17 00:00:00 2001
From: sunrisepeak <speakshen@163.com>
Date: Fri, 22 May 2026 12:02:39 +0800
Subject: [PATCH 17/17] chore: bump version to 0.0.24, trigger ci-fresh-install
 on release

---
 .github/workflows/ci-fresh-install.yml | 6 +++---
 mcpp.toml                              | 2 +-
 src/toolchain/fingerprint.cppm         | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/ci-fresh-install.yml b/.github/workflows/ci-fresh-install.yml
index 56db9b7..d5cf6ca 100644
--- a/.github/workflows/ci-fresh-install.yml
+++ b/.github/workflows/ci-fresh-install.yml
@@ -8,11 +8,11 @@ name: ci-fresh-install
 #   2. mcpp build (build mcpp itself from source)
 #
 # This workflow tests released mcpp, not PR code.
-# It runs on PRs to main, manual trigger, and daily schedule.
+# It runs on release publish, manual trigger, and daily schedule.
 
 on:
-  pull_request:
-    branches: [ main ]
+  release:
+    types: [ published ]
   workflow_dispatch:
   schedule:
     # Run daily at 06:00 UTC to catch issues from xlings/runner updates
diff --git a/mcpp.toml b/mcpp.toml
index 52c4ec8..97115a0 100644
--- a/mcpp.toml
+++ b/mcpp.toml
@@ -1,6 +1,6 @@
 [package]
 name        = "mcpp"
-version     = "0.0.23"
+version     = "0.0.24"
 description = "Modern C++ build & package management tool"
 license     = "Apache-2.0"
 authors     = ["mcpp-community"]
diff --git a/src/toolchain/fingerprint.cppm b/src/toolchain/fingerprint.cppm
index 589d57c..eb996f5 100644
--- a/src/toolchain/fingerprint.cppm
+++ b/src/toolchain/fingerprint.cppm
@@ -18,7 +18,7 @@ import mcpp.toolchain.detect;
 
 export namespace mcpp::toolchain {
 
-inline constexpr std::string_view MCPP_VERSION = "0.0.23";
+inline constexpr std::string_view MCPP_VERSION = "0.0.24";
 
 struct FingerprintInputs {
     Toolchain                       toolchain;