Improve global params in parsers/transforms

[Shushe] / GNUmakefile

diff --git a/GNUmakefile b/GNUmakefile
index 1603aef277133317dada830847d2f493f55cb710..ab8e828b23917c7e45be1c5a76df49df3bead98b 100644 (file)
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -10,7 +10,7 @@ override define makefileinfo
 ║│ Requires G·N·U Make, at least version 3.81, a version of   │║
 ║│ uuencode with base64 support, and the various programs     │║
 ║│ offered by libxml2 and libxslt. Beyond this, only programs │║
-║│ required by Posix are used, altho there is a chance of     │║
+║│ required by Posix are required, altho there is a chance of │║
 ║│ version incompatibilities. The full list of program        │║
 ║│ requirements is as follows :—                             │║
 ║│                                                            │║
@@ -21,6 +21,7 @@ override define makefileinfo
 ║│ • echo                                                     │║
 ║│ • file                                                     │║
 ║│ • find                                                     │║
+║│ • git (optional)                                           │║
 ║│ • mkdir (requires support for `-p´)                        │║
 ║│ • mv                                                       │║
 ║│ • od (requires support for `-t x1´)                        │║
@@ -89,6 +90,7 @@ DATE := date
 ECHO := echo
 FILE := file
 FIND := find
+GIT := git
 MKDIR := mkdir
 MV := mv
 OD := od
@@ -229,6 +231,20 @@ sourceincludes := $(shell $(FIND) $(FINDOPTS) $(INCLUDEDIR) -type f '(' $(FINDRU
 # source directory, removing any which are also includes.
 sourcefiles := $(filter-out $(sourceincludes),$(shell $(FIND) $(FINDOPTS) $(SRCDIR) -type f '(' $(FINDRULES) ')'))
 
+ifdef GIT
+ifneq ($(wildcard $(THISDIR)/.git),)
+# (overridable) The name of the current revision of ⛩️📰 书社, or its
+# hash if the current revision is not a tag.
+thisrev = $(shell cd $(THISDIR); $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD)
+endif
+
+ifneq ($(wildcard .git),)
+# (overridable) The name of the current revision of the working
+# directory, or its hash if the current revision is not a tag.
+srcrev = $(shell $(GIT) describe 2> /dev/null || $(GIT) rev-parse HEAD)
+endif
+endif
+
 # Figure out the file type of each source file and source include.
 ifneq ($(wildcard $(BUILDDIR)/magic.mgc),)
 override types := $(shell $(SED) 's/^ *//;s/ *$$//;s/ {2,}/ /g' <<< $(call quote,$(sourcefiles) $(sourceincludes)) | $(TR) ' ' '\n' | $(FILE) -m $(call quote,$(BUILDDIR)/magic.mgc) --mime-type --separator '|' --files-from - | $(SED) 's/| */|/g')
@@ -453,7 +469,7 @@ $(BUILDDIR)/parser.xslt: $(BUILDDIR)/parser.catalog $(THISDIR)/lib/catalog2parse
 $(call parsed,$(sourcefiles) $(sourceincludes)): %: $$(call unparsed,$$@) $(typeupdates)
        @$(PRINTF) '%s\n' $(call quote,Processing `$<´…)
        $(silent)$(call ensuredirectory,$(dir $@))
-       $(silent)$(if $(filter $<,$(assetfiles)),$(PRINTF) '%s\n' $(call quote,<object xmlns="http://www.w3.org/1999/xhtml" type="$(call typeoffile,$<)" data="$(call datauri,$<)"/>) > $(call quote,$@),$(if $(filter $<,$(plaintextfiles)),$(call wrapplaintext,$<),$(CAT) $(call quote,$<)) | $(XSLTPROC) -o $(call quote,$@) $(call quote,$(BUILDDIR)/parser.xslt) -)
+       $(silent)$(if $(filter $<,$(assetfiles)),$(PRINTF) '%s\n' $(call quote,<object xmlns="http://www.w3.org/1999/xhtml" type="$(call typeoffile,$<)" data="$(call datauri,$<)"/>) > $(call quote,$@),$(if $(filter $<,$(plaintextfiles)),$(call wrapplaintext,$<),$(CAT) $(call quote,$<)) | $(XSLTPROC) -o $(call quote,$@) --stringparam BUILDTIME '$(shell TZ= $(DATE) '+%Y-%m-%dT%H:%M:%SZ')' --stringparam SRCTIME '$(shell TZ= $(STAT) -f '%Sm' -t '%Y-%m-%dT%H:%M:%SZ' $(call quote,$(call unparsed,$@)))'$(if $(thisrev), --stringparam VERSION $(call quote,$(thisrev)),)$(if $(srcrev), --stringparam SRCREV $(call quote,$(srcrev)),) $(call quote,$(BUILDDIR)/parser.xslt) -)
 
 # Generate a catalog of all parsed files, for use when processing
 # includes. This does not depend on actually transforming the files.
@@ -487,7 +503,7 @@ $(BUILDDIR)/transform.xslt: $(BUILDDIR)/transform.catalog $(THISDIR)/lib/catalog
 $(call compiled,$(compilablefiles)): $(BUILDDIR)/public/%: $$(call parsed,$$(call uncompiled,$$@)) $(BUILDDIR)/transform.xslt $$(call parsed,$$(call dependencies,$$(call uncompiled,$$@)))
        $(silent)$(call ensuredirectory,$(dir $@))
        @$(PRINTF) '%s\n' $(call quote,Compiling </$*>…)
-       $(silent)$(XSLTPROC) -o $(call quote,$@) --stringparam catalog 'catalog' --stringparam buildtime '$(shell TZ= $(DATE) '+%Y-%m-%dT%H:%M:%SZ')' --stringparam srctime '$(shell TZ= $(STAT) -f '%Sm' -t '%Y-%m-%dT%H:%M:%SZ' $(call quote,$(call uncompiled,$@)))' --stringparam path $(call quote,/$*) $(call quote,$(BUILDDIR)/transform.xslt) $(call quote,$<)
+       $(silent)$(XSLTPROC) -o $(call quote,$@) --stringparam CATALOG 'catalog' --stringparam BUILDTIME '$(shell TZ= $(DATE) '+%Y-%m-%dT%H:%M:%SZ')' --stringparam SRCTIME '$(shell TZ= $(STAT) -f '%Sm' -t '%Y-%m-%dT%H:%M:%SZ' $(call quote,$(call uncompiled,$@)))' --stringparam PATH $(call quote,/$*)$(if $(thisrev), --stringparam VERSION $(call quote,$(thisrev)),)$(if $(srcrev), --stringparam SRCREV $(call quote,$(srcrev)),) $(call quote,$(BUILDDIR)/transform.xslt) $(call quote,$<)
 $(call compiled,$(filter $(assetfiles),$(sourcefiles))): $(BUILDDIR)/public/%: $$(call uncompiled,$$@)
        @$(PRINTF) '%s\n' $(call quote,Compiling </$*>…)
        $(silent)$(call ensuredirectory,$(dir $@))