ci: Only create symbol-graphs dir if it doesn't exist

Author: stackotter

.github/actions/compile-docs/action.yml

@@ -40,7 +40,6 @@ runs:
       if: ${{ inputs.use-swiftpm == 'true' }} # Compare to constant to treat empty input as false
       run: |
         set -ex
-        mkdir "$TARGET.doccarchive" && \
         swift package \
           --allow-writing-to-directory . \
           generate-documentation \

.github/actions/extract-symbol-graphs/action.yml

@@ -25,14 +25,14 @@ runs:
       if: ${{ inputs.xcodebuild != 'true' }} # Compare to constant to treat empty input as false
       run: |
         set -eux
-        mkdir symbol-graphs
+        mkdir -p symbol-graphs
         swift build --target "$TARGET" \
           -Xswiftc -emit-symbol-graph \
           -Xswiftc -emit-symbol-graph-dir -Xswiftc symbol-graphs
 
         # Locate relevant symbol graphs and copy them to the target-specific
         # output directory
-        mkdir "$TARGET-symbol-graphs"
+        mkdir -p "$TARGET-symbol-graphs"
         find symbol-graphs -name "$TARGET*.symbols.json" -exec cp {} $TARGET-symbol-graphs ';'
       shell: bash
       working-directory: ${{ inputs.working-directory }}
@@ -62,7 +62,7 @@ runs:
 
         # Locate relevant symbol graphs and copy them to the target-specific
         # output directory
-        mkdir "$TARGET-symbol-graphs"
+        mkdir -p "$TARGET-symbol-graphs"
         find /tmp/data -name "$TARGET*.symbols.json" -exec cp {} $TARGET-symbol-graphs ';'
       shell: bash
       working-directory: ${{ inputs.working-directory }}