···

       
18
       
 
       
      - name: Checkout tree

     

       
19
       
 
       
        uses: actions/checkout@v4

     

       
20
       
 
       


     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
21
       
 
       
      - name: Restore opam cache

     

       
22
       
 
       
        id: cache-opam

     

       
23
       
 
       
        uses: actions/cache/restore@v4

     
···

       
25
       
 
       
          path: |

     

       
26
       
 
       
            D:\opam\bin

     

       
27
       
 
       
            D:\opamroot

     

       
28
       
-
       
          key: ${{ runner.os }}-opam

     

       
29
       
 
       


     

       
30
       
 
       
      - name: Install opam

     

       
31
       
 
       
        if: steps.cache-opam.outputs.cache-hit != 'true'

     

       
32
       
 
       
        run: |

     

       
33
       
-
       
          Invoke-Expression "& { $(Invoke-RestMethod https://raw.githubusercontent.com/kit-ty-kate/opam/windows-installer.debug/shell/install.ps1) } -OpamBinDir 'D:\opam\bin' -NoSetPath -NoAdmin"

     

       
34
       
 
       


     

       
35
       
 
       
      - name: Add opam to PATH

     

       
36
       
 
       
        run: |

     

       
0
       
 
       

     

       
37
       
 
       
          "D:\opam\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append

     

       
38
       
 
       


     

       
39
       
 
       
      - name: Init opam

     

       
40
       
 
       
        if: steps.cache-opam.outputs.cache-hit != 'true'

     

       
41
       
 
       
        run: opam init --yes --no-setup .

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
42
       
 
       


     

       
43
       
 
       
      - name: Save opam cache

     

       
44
       
 
       
        if: steps.cache-opam.outputs.cache-hit != 'true'

     

···

       
18
       
 
       
      - name: Checkout tree

     

       
19
       
 
       
        uses: actions/checkout@v4

     

       
20
       
 
       


     

       
21
       
+
       
      - name: Download install.ps1

     

       
22
       
+
       
        run: |

     

       
23
       
+
       
          [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

     

       
24
       
+
       
          (New-Object System.Net.WebClient).DownloadFile("https://raw.githubusercontent.com/ocaml/opam/master/shell/install.ps1", ".\install.ps1")

     

       
25
       
+
       


     

       
26
       
 
       
      - name: Restore opam cache

     

       
27
       
 
       
        id: cache-opam

     

       
28
       
 
       
        uses: actions/cache/restore@v4

     
···

       
30
       
 
       
          path: |

     

       
31
       
 
       
            D:\opam\bin

     

       
32
       
 
       
            D:\opamroot

     

       
33
       
+
       
          key: ${{ runner.os }}-opam-${{ hashFiles('install.ps1') }}

     

       
34
       
 
       


     

       
35
       
 
       
      - name: Install opam

     

       
36
       
 
       
        if: steps.cache-opam.outputs.cache-hit != 'true'

     

       
37
       
 
       
        run: |

     

       
38
       
+
       
          Invoke-Expression "& ./install.ps1 -OpamBinDir 'D:\opam\bin'"

     

       
39
       
 
       


     

       
40
       
 
       
      - name: Add opam to PATH

     

       
41
       
 
       
        run: |

     

       
42
       
+
       
          D:\opam\bin\opam --version

     

       
43
       
 
       
          "D:\opam\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append

     

       
44
       
 
       


     

       
45
       
 
       
      - name: Init opam

     

       
46
       
 
       
        if: steps.cache-opam.outputs.cache-hit != 'true'

     

       
47
       
 
       
        run: opam init --yes --no-setup .

     

       
48
       
+
       


     

       
49
       
+
       
      - name: Restrict testing to available compilers

     

       
50
       
+
       
        if: steps.cache-opam.outputs.cache-hit != 'true'

     

       
51
       
+
       
        # TODO Amend this lowerbound as older compiler packages are updated

     

       
52
       
+
       
        run: opam switch set-invariant --formula "`"ocaml`" {>= `"4.13`"}"

     

       
53
       
 
       


     

       
54
       
 
       
      - name: Save opam cache

     

       
55
       
 
       
        if: steps.cache-opam.outputs.cache-hit != 'true'