determine the value of mdbook site-url from the makefile instead of hardcoding it per branch

Handbook/GNUmakefile

@@ -125,7 +125,6 @@ SG_GIT_COMMIT_NUMS_SINCE_TAG	:=	$(shell git rev-list --count HEAD ^`git describe
 SG_GIT_TREE_STATE				:=	$(shell test -n "`git status --porcelain 2>/dev/null`" && echo "dirty" || echo "clean")
 
 SG_PLUGIN_VERSION	:=	$(shell grep -o '"VersionName": "[^"]*"' ${SG_PLUGIN_FILE} | awk -F'"' '{print "v" $$4}')
-SG_HANDBOOK_SITE_URL	:=	$(shell grep '^site-url' $(SG_HANDBOOK_TOML_FILE) | sed -n 's|^site-url = "/\(.*\)/"|\1|p')
 
 ifeq ($(strip $(SG_GIT_COMMIT_NUMS_SINCE_TAG)),)
 SG_GIT_COMMIT_NUMS_SINCE_TAG	:=	0
@@ -170,40 +169,41 @@ SG_BUILD_TIME	:=	$(shell date '+%a %b %d, %Y %H:%M %Z %z')
 
 ifeq ($(strip $(SG_GIT_BRANCH)),dev)
 ifeq ($(strip $(SG_GIT_VERSION)),)
-ifeq ($(strip $(SG_HANDBOOK_SITE_URL)),next)
 SG_HANDBOOK_REVISION	:=	next
-endif # ($(strip $(SG_HANDBOOK_SITE_URL)),next)
 endif # ($(strip $(SG_GIT_VERSION)),)
 endif # ($(strip $(SG_GIT_BRANCH)),dev)
 
 SG_IS_GIT_BRANCH_HEAD_OR_MASTER := $(or $(filter HEAD,$(strip $(SG_GIT_BRANCH))),$(filter master,$(strip $(SG_GIT_BRANCH))))
 
-ifeq ($(SG_IS_GIT_BRANCH_HEAD_OR_MASTER),1)
+ifneq ($(SG_IS_GIT_BRANCH_HEAD_OR_MASTER),)
 ifeq ($(strip $(SG_GIT_COMMIT_NUMS_SINCE_TAG)),0)
 ifeq ($(strip $(SG_GIT_TREE_STATE)),clean)
 ifeq ($(strip $(SG_GIT_VERSION)),$(strip $(SG_PLUGIN_VERSION)))
-ifeq ($(strip $(SG_HANDBOOK_SITE_URL)),$(strip $(SG_PLUGIN_VERSION_MAJOR).$(SG_PLUGIN_VERSION_MINOR)))
+SG_HANDBOOK_REVISION	:=	$(SG_PLUGIN_VERSION_MAJOR).$(SG_PLUGIN_VERSION_MINOR)
-SG_HANDBOOK_REVISION	:=	SG_PLUGIN_VERSION_MAJOR.SG_PLUGIN_VERSION_MINOR
-endif # ($(strip $(SG_HANDBOOK_SITE_URL)),$(strip $(SG_PLUGIN_VERSION_MAJOR).$(SG_PLUGIN_VERSION_MINOR)))
 endif # ($(strip $(SG_GIT_VERSION)),$(strip $(SG_PLUGIN_VERSION)))
 endif # ($(strip $(SG_GIT_TREE_STATE)),clean)
 endif # ($(strip $(SG_GIT_COMMIT_NUMS_SINCE_TAG)),0)
-endif # ($(SG_IS_GIT_BRANCH_HEAD_OR_MASTER),1)
+endif # ($(SG_IS_GIT_BRANCH_HEAD_OR_MASTER),)
 
 ifeq ($(strip $(SG_HANDBOOK_REVISION)),)
 SG_HANDBOOK_REVISION	:=	mismatched
 endif # ($(strip $(SG_HANDBOOK_REVISION)),)
 
 ifneq ($(strip $(SG_HANDBOOK_REVISION)),mismatched)
+SG_MDBOOK_HTML_SITE_URL		:=	$(SG_HANDBOOK_REVISION)
 SG_HANDBOOK_REVISION_URL	:=	$(SG_DOCUMENTATION_URL)/$(SG_HANDBOOK_REVISION)
 SG_HANDBOOK_RELEASE_NAME	:=	$(shell echo $(SG_PROJECT_NAME)-$(SG_HANDBOOK_REVISION) | tr '[:upper:]' '[:lower:]' | sed 's/ /-/g')
 SG_HANDBOOK_PDF_URL			:=	$(SG_HANDBOOK_REVISION_URL)/$(SG_HANDBOOK_RELEASE_NAME).pdf
-endif
+endif # ($(strip $(SG_HANDBOOK_REVISION)),mismatched)
 
 ################################################################################
 # mdbook-pdf Configuration
 ################################################################################
 
+ifneq ($(strip $(SG_HANDBOOK_REVISION)),mismatched)
+SG_MDBOOK_HTML_SITE_URL	:=	/$(SG_HANDBOOK_REVISION)/
+endif # ($(strip $(SG_HANDBOOK_REVISION)),mismatched)
+
 ifeq ($(SG_BUILD_PLATFORM),$(SG_BUILD_PLATFORM_LINUX))
 SG_MDBOOK_PDF_BROWSER_BINARY_PATH	:=	$(SG_BROWSER_BINARY_PATH_LINUX)
 else ifeq ($(SG_BUILD_PLATFORM),$(SG_BUILD_PLATFORM_WINDOWS))
@@ -434,6 +434,7 @@ _mdbook_serve:
 		SG_PLUGIN_VERSION_PATCH='$(SG_PLUGIN_VERSION_PATCH)' \
 		SG_BUILD_HOST='$(SG_BUILD_HOST)' \
 		SG_BUILD_TIME='$(SG_BUILD_TIME)' \
+		MDBOOK_output__html__site_url='$(SG_MDBOOK_HTML_SITE_URL)' \
 		MDBOOK_output__pdf__browser_binary_path='$(SG_MDBOOK_PDF_BROWSER_BINARY_PATH)' \
 			mdbook serve \
 				-n $(SG_MDBOOK_HOST) \
@@ -463,6 +464,7 @@ _mdbook_build:
 		SG_PLUGIN_VERSION_PATCH='$(SG_PLUGIN_VERSION_PATCH)' \
 		SG_BUILD_HOST='$(SG_BUILD_HOST)' \
 		SG_BUILD_TIME='$(SG_BUILD_TIME)' \
+		MDBOOK_output__html__site_url='$(SG_MDBOOK_HTML_SITE_URL)' \
 		MDBOOK_output__pdf__browser_binary_path='$(SG_MDBOOK_PDF_BROWSER_BINARY_PATH)' \
 			mdbook build \
 				--dest-dir $(SG_MDBOOK_DEST_DIR)

Handbook/book.toml

@@ -61,7 +61,6 @@ input-404 = "404.md"
 mathjax-support = false
 no-section-label = false
 preferred-dark-theme = "navy"
-site-url = "/next/"
 smart-punctuation = false
 theme = ""