dirty subst hack to try and shorten paths

Author: AsbjornOlling

.github/workflows/build.yml

@@ -92,7 +92,7 @@ jobs:
         with:
           path: |
             ~/.cargo
-            nobodywho/target
+            C:/b
           key: ${{ runner.os }}-cargo-home-${{ matrix.integration }}-${{ matrix.target }}-${{ matrix.profile }}-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             ${{ runner.os }}-cargo-home-${{ matrix.integration }}-${{ matrix.target }}-${{ matrix.profile }}-
@@ -120,18 +120,27 @@ jobs:
       - name: Build with Cargo
         # move things into a shortly-named dir in the root, because windows is made by fuckwits who think limiting paths to 260 chars is ok
         run: |
-          mv ./nobodywho/* C:/
-          cd C:/
-          # Use an even shorter target directory to avoid path length issues with git dependencies
-          cargo build -p nobodywho-${{ matrix.integration }} --verbose --target ${{ matrix.target }} ${{ matrix.profile == 'release' && '--release' || '' }} --locked --target-dir C:/t
+          # Copy source to short path
+          mkdir C:\s
+          xcopy /E /I /Y .\nobodywho\* C:\s\
+          cd C:\s
+          # Create the full target directory structure
+          mkdir -p C:\b\${{ matrix.target }}\${{ matrix.profile }}\build
+          # Map Y: deep into the build path where llama-cpp-sys builds happen
+          # This replaces "C:\b\x86_64-pc-windows-msvc\debug\build" with just "Y:"
+          subst Y: C:\b\${{ matrix.target }}\${{ matrix.profile }}\build
+          # Build using C:\b as target dir, but Y: will be used for the deep build paths
+          cargo build -p nobodywho-${{ matrix.integration }} --verbose --target ${{ matrix.target }} ${{ matrix.profile == 'release' && '--release' || '' }} --locked --target-dir C:\b
         env:
           RUSTFLAGS: >-
             -l Advapi32
 
       - name: "Rename built files"
         run: |
-          cp C:/t/${{ matrix.target }}/${{ matrix.profile }}/nobodywho_${{ matrix.integration }}.dll ./nobodywho-${{ matrix.integration }}-${{ matrix.target }}-${{ matrix.profile }}.dll
-          cp C:/t/${{ matrix.target }}/${{ matrix.profile }}/nobodywho_${{ matrix.integration }}.pdb ./nobodywho-${{ matrix.integration }}-${{ matrix.target }}-${{ matrix.profile }}.pdb
+          cp C:\b\${{ matrix.target }}\${{ matrix.profile }}\nobodywho_${{ matrix.integration }}.dll .\nobodywho-${{ matrix.integration }}-${{ matrix.target }}-${{ matrix.profile }}.dll
+          cp C:\b\${{ matrix.target }}\${{ matrix.profile }}\nobodywho_${{ matrix.integration }}.pdb .\nobodywho-${{ matrix.integration }}-${{ matrix.target }}-${{ matrix.profile }}.pdb
+          # Clean up virtual drive
+          subst Y: /d
 
       - name: "Upload build artifacts"
         uses: actions/upload-artifact@v4