Initial untested work toward automating brew recipe update also.

.gitignore

@@ -46,3 +46,6 @@ docs/_build
 .venv
 
 tool_test_output.*
+
+# Used by build process to push updated brew formula.
+homebrew-tap

Makefile

@@ -130,6 +130,9 @@ new-version:
 
 release: commit-version release-aritfacts new-version
 
+release-brew:
+	bash scripts/update_planemo_recipe.bash $(VERSION)
+
 push-release:
 	git push $(UPSTREAM) master
 	git push --tags $(UPSTREAM)

docs/developing.rst

@@ -33,4 +33,4 @@ are fine.
 * ``make clean && make lint && make test``
 * ``make release VERSION=<old_version> NEW_VERSION=<new_version>``
 * ``make push-release``
-* Update planemo homebrew recipe to new version.
+* ``make release-brew VERSION=<old_version>`` (Update planemo homebrew recipe to new version, this works if no new requirements have been added.)

scripts/update_planemo_recipe.bash

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+HOMEBREW_TAP="galaxyproject/homebrew-tap"
+VERSION=$1
+shift
+
+if[ -d homebrew-tap ];
+then
+    git clone git@github.com:$HOMEBREW_TAP.git homebrew-tap
+fi
+cd homebrew-tap
+
+brew uninstall planemo
+sed -E -i "s/planemo-([0-9]+)\.([0-9]+)\.([0-9]+)\.tar\.gz/planemo-$VERSION.tar.gz/" planemo.rb
+sed -i "s/^  sha256.*$/  sha256 \"\"/" planemo.rb
+brew install planemo.rb > output
+#For your reference the SHA256 is: efc829aa1c579c5d8cace3a3da46284aa1a78fbec80f3a5a31a73e08f5d2bc6e
+sha_line=`awk '/For your reference the SHA256 is:/' output`
+echo "sha_line is $sha_line"
+IFS=" " read -a sha_line_array <<< "$sha_line"
+sha=${sha_line_array[6]}
+echo "Updating SHA256 to $sha"
+sed -i "s/^  sha256.*$/  sha256 \"$sha\"/" planemo.rb
+
+git add planemo.rb
+git commit -m "Rev planemo to version $VERSION"
+git push