group sequential commands in a long script

.readthedocs.yaml

@@ -14,22 +14,24 @@ build:
     python: "3"
   commands:
     # Install doxygen from source distributions (conda forge does not keep up-to-date doxygen releases)
-    - export DOXYGEN_VERSION="1.12.0"
-    - mkdir .doxygen && cd .doxygen
-    - echo $(pwd)
-    - echo "https://sourceforge.net/projects/doxygen/files/rel-$DOXYGEN_VERSION/doxygen-$DOXYGEN_VERSION.linux.bin.tar.gz"
-    - curl -L https://sourceforge.net/projects/doxygen/files/rel-$DOXYGEN_VERSION/doxygen-$DOXYGEN_VERSION.linux.bin.tar.gz > doxygen.tar.gz
-    - gunzip doxygen.tar.gz
-    - tar xf doxygen.tar
-    - cd doxygen-$DOXYGEN_VERSION
-    - sudo make install
-    - cd ..
-    # get lib version
-    - export RF24_VERSION=v$(awk -F "=" '/version/ {print $2}' library.properties)
-    # overwrite Doxyfile values
-    - touch docs/doxygenAction
-    - echo "PROJECT_NUMBER = $RF24_VERSION" >> docs/doxygenAction
-    - echo -e "\n@INCLUDE = doxygenAction" >> docs/Doxyfile
+    - >
+      DOXYGEN_VERSION="1.12.0" &&
+      mkdir .doxygen && cd .doxygen &&
+      echo $(pwd) &&
+      echo "https://sourceforge.net/projects/doxygen/files/rel-$DOXYGEN_VERSION/doxygen-$DOXYGEN_VERSION.linux.bin.tar.gz" &&
+      curl -L https://sourceforge.net/projects/doxygen/files/rel-$DOXYGEN_VERSION/doxygen-$DOXYGEN_VERSION.linux.bin.tar.gz > doxygen.tar.gz &&
+      gunzip doxygen.tar.gz &&
+      tar xf doxygen.tar &&
+      cd doxygen-$DOXYGEN_VERSION &&
+      sudo make install &&
+      cd ..
+    # get lib version & overwrite Doxyfile values
+    - >
+      echo $(pwd) &&
+      RF24_VERSION=v$(awk -F "=" '/version/ {print $2}' library.properties) &&
+      touch docs/doxygenAction &&
+      echo "PROJECT_NUMBER = $RF24_VERSION" >> docs/doxygenAction &&
+      echo -e "\n@INCLUDE = doxygenAction" >> docs/Doxyfile
     # run doxygen
     - doxygen
     # copy output to RTD output path for HTML files