build-aux: Update formatter and linter scripts

.github/actions/run-clang-format/action.yaml

@@ -47,6 +47,7 @@ runs:
       working-directory: ${{ inputs.workingDirectory }}
       env:
         CHANGED_FILES: ${{ steps.checks.outputs.changedFiles }}
+        FAIL_MODE: ${{ inputs.failCondition }}
       run: |
         : Run clang-format 🐉
         if (( ${+RUNNER_DEBUG} )) setopt XTRACE
@@ -59,5 +60,11 @@ runs:
 
         print ::group::Run clang-format-22
         local -a changes=(${(s:,:)CHANGED_FILES//[\[\]\'\"]/})
-        ./build-aux/run-clang-format --fail-${{ inputs.failCondition }} --check ${changes}
+
+        if [[ "${FAIL_MODE:-never}" == 'never' ]] {
+          setopt NO_ERR_EXIT
+          setopt NO_ERR_RETURN
+        }
+
+        ./build-aux/run-clang-format --check --github ${changes}
         print ::endgroup::

.github/actions/run-gersemi/action.yaml

@@ -46,17 +46,22 @@ runs:
       working-directory: ${{ github.workspace }}
       env:
         CHANGED_FILES: ${{ steps.checks.outputs.changedFiles }}
+        FAIL_MODE: ${{ inputs.failCondition }}
       run: |
         : Run gersemi 🎛️
         if (( ${+RUNNER_DEBUG} )) setopt XTRACE
 
         print ::group::Install gersemi
         brew update
-        brew trust obsproject/tools
-        brew install --quiet obsproject/tools/gersemi@0.25
+        brew install --quiet gersemi
         print ::endgroup::
 
+        if [[ "${FAIL_MODE:-never}" == 'never' ]] {
+          setopt NO_ERR_EXIT
+          setopt NO_ERR_RETURN
+        }
+
         print ::group::Run gersemi
         local -a changes=(${(s:,:)CHANGED_FILES//[\[\]\'\"]/})
-        ./build-aux/run-gersemi --fail-${{ inputs.failCondition }} --check ${changes}
+        ./build-aux/run-gersemi --check --github ${changes}
         print ::endgroup::

.github/actions/run-swift-format/action.yaml

@@ -46,6 +46,7 @@ runs:
       working-directory: ${{ github.workspace }}
       env:
         CHANGED_FILES: ${{ steps.checks.outputs.changedFiles }}
+        FAIL_MODE: ${{ inputs.failCondition }}
       run: |
         : Run swift-format 🔥
         if (( ${+RUNNER_DEBUG} )) setopt XTRACE
@@ -55,7 +56,12 @@ runs:
         brew install --quiet swift-format
         print ::endgroup::
 
+        if [[ "${FAIL_MODE:-never}" == 'never' ]] {
+          setopt NO_ERR_EXIT
+          setopt NO_ERR_RETURN
+        }
+
         print ::group::Run swift-format
         local -a changes=(${(s:,:)CHANGED_FILES//[\[\]\'\"]/})
-        ./build-aux/run-swift-format --fail-${{ inputs.failCondition }} --check ${changes}
+        ./build-aux/run-swift-format --check --github ${changes}
         print ::endgroup::

build-aux/.run-format-launcher

@@ -0,0 +1,38 @@
+#!/usr/bin/env sh
+
+# Combined POSIX Csh/Powershell entry point script
+# Based on StackOverflow answer by Jeff Hykin
+# https://stackoverflow.com/a/67292076
+#
+# In Csh the first line will echo "--%" to /dev/null, followed by the colon built-in
+# (using the semi-colon to create a command list). This built-in does nothing apart
+# from variable expansions, and is given a multi-line string.
+#
+# In Powershell the line uses the '--%' token to stop parsing, which will also send the
+# 'echo'. output to Powershell's null output, and will then encounter the declaration
+# of a multiline comment, which extends until after the "exit" command.
+#
+# Thus Powershell will execute the code below "exit" in earnest, whereas Csh will ignore
+# anything past that "exit".
+#
+
+echo --% >/dev/null;: ' | out-null
+<#'
+host_os="$(uname)"
+script_location="$(dirname "${0}")"
+linter_name="$(basename "${0}")"
+linter_name="${linter_name#*-}"
+
+if [ "${host_os}" = 'Darwin' ]; then
+    exec zsh "${script_location}/.run-format.zsh" --linter "${linter_name}" "${@}"
+elif command -v zsh > /dev/null; then
+    exec zsh "${script_location}/.run-format.zsh" --linter "${linter_name}" "${@}"
+else
+    exec bash "${script_location}/.run-format.bash" --linter "${linter_name}" "${@}"
+fi
+exit #>
+
+$ScriptLocation = $PSScriptRoot
+$LinterName = ($MyInvocation.MyCommand.Name) -replace 'run-(.+).ps1','$1'
+
+. ${ScriptLocation}/.run-format.ps1 -Linter "${LinterName}" @Args