X-Git-Url: https://git.ladys.computer/Shushe/blobdiff_plain/d10f14e9c634de864421e5e4bd81035be08f7bce..fe1f9e5474fa7f3a6b42e384d92b466b2dcda952:/GNUmakefile?ds=sidebyside

diff --git a/GNUmakefile b/GNUmakefile
index 1b82c08..1e809b2 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -22,6 +22,7 @@ override define makefileinfo
 ║│ • file                                                     │║
 ║│ • find                                                     │║
 ║│ • git (optional)                                           │║
+║│ • ln                                                       │║
 ║│ • mkdir (requires support for `-p´)                        │║
 ║│ • mv                                                       │║
 ║│ • od (requires support for `-t x1´)                        │║
@@ -93,6 +94,7 @@ ECHO := echo
 FILE := file
 FIND := find
 GIT := git
+LN := ln
 MKDIR := mkdir
 MV := mv
 OD := od
@@ -134,27 +136,31 @@ DESTDIR := public
 # By default, this is inferred from the variable `MAKEFILE_LIST´.
 THISDIR := $(patsubst %/,%,$(dir $(lastword $(MAKEFILE_LIST))))
 
-# The location of the magic files to use when determining media types.
-#
-# One is provided as part of this repository, but you can override it if you need different media type detection.
-#
-# Your computer probably has a more comprehensive one installed at `/usr/share/file/magic´, but it is not recommended that you use this directly.
-# Instead, link or copy just the files you expect to need for your project.
-MAGICDIR := $(patsubst ./%,%,$(THISDIR)/magic)
-
 # Configuration of `find´.
 #
 # By default, `find´ will ignore files which begin with a period and those which are likely to cause problems for `make´.
-FINDRULES := ! '(' '(' -name '[.-]*' -o -name '*[][*?:|$$%\#;]*' ')' -a -prune ')'
-FINDINCLUDERULES := $(FINDRULES)
+EXTRAFINDRULES :=
+EXTRAFINDINCLUDERULES :=
+FINDRULES := ! '(' '(' -name '[.-]*' -o -name '*[][*?:|$$%\#\\; ]*' ')' -a -prune ')'$(if $(EXTRAFINDRULES), -a $(EXTRAFINDRULES),)
+FINDINCLUDERULES := $(FINDRULES)$(if $(EXTRAFINDINCLUDERULES), -a $(EXTRAFINDINCLUDERULES),)
+
+# The list of magic files to use when determining media types.
+#
+# Some are provided as part of this repository, but you can add more if you need different media type detection.
+#
+# Your computer probably has several already installed at `/usr/share/file/magic´.
+EXTRAMAGIC :=
+MAGIC := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/magic/*)) $(EXTRAMAGIC))
 
 # The list of parsers for plaintext file types.
 #
 # Which parsers are provided will influence which kinds of files are recognized as plaintext.
-PARSERS := $(patsubst ./%,%,$(wildcard $(THISDIR)/parsers/*.xslt))
+EXTRAPARSERS :=
+PARSERS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/parsers/*.xslt)) $(EXTRAPARSERS))
 
 # The list of transforms.
-TRANSFORMS := $(patsubst ./%,%,$(wildcard $(THISDIR)/transforms/*.xslt))
+EXTRATRANSFORMS :=
+TRANSFORMS := $(sort $(patsubst ./%,%,$(wildcard $(THISDIR)/transforms/*.xslt)) $(EXTRATRANSFORMS))
 
 # List of types which should be treated as X·M·L.
 XMLTYPES := application/xml text/xml
@@ -251,6 +257,15 @@ override typeoffile = $(patsubst $(foreach file,$1,$(file)|%),%,$(filter $(forea
 # (callable) Get the identifier for the given parser or transform.
 override id = $(or $(shell $(XMLLINT) --xpath '/*/*[local-name()="id" and namespace-uri()="urn:fdc:ladys.computer:20231231:Shu1She4"]/text()[1]' $1 2> /dev/null),about:shushe?$(or $2,unknown)=$(call pathenc,$(basename $(notdir $1))))
 
+# Pair each source magic file with its location in the build directory.
+override magicpair := $(foreach magicfile,$(MAGIC),$(magicfile)|$(BUILDDIR)/magic/$(notdir $(magicfile)))
+
+# (callable) Get the source file for the given magic files.
+override magicsource = $(foreach magicpath,$1,$(patsubst %|$(magicpath),%,$(firstword $(filter %|$(magicpath),$(magicpair)))))
+
+# (callable) Get the build file for the given magic files.
+override magicfile = $(foreach file,$1,$(patsubst $(file)|%,%,$(filter $(file)|%,$(magicpair))))
+
 # (callable) Get the local path for the given source file.
 override sourcepath = $(firstword $(foreach directory,$(SRCDIR),$(if $(filter $(directory)/%,$1),$(patsubst $(directory)/%,%,$1),)))
 
@@ -386,12 +401,12 @@ $(call compiled,$(recursivefiles)):
 # Phony rules; always consider these out·of·date.
 .PHONY: all default clean gone info install list uninstall $(call compiled,$(recursivefiles));
 
-ifneq ($(wildcard $(BUILDDIR)/.update-types)$(wildcard $(BUILDDIR)/dependencies),)
-# Reload this make·file if the dependency graph has changed.
+ifneq ($(wildcard $(BUILDDIR)/.update-types)$(wildcard $(BUILDDIR)/dependencies)$(wildcard $(BUILDDIR)/destinations),)
+# Reload this make·file if the dependency graph or output destinations have changed.
 #
 # The dependency graph and output destinations are used to set the values of variables in this make·file, so it’s important to ensure that they are actually up·to·date prior to executing any later rules.
 #
-# This recipe only exists after types have been updated or when the dependency graph already exists.
+# This recipe only exists after types have been updated or when the dependency graph or destinations file already exists.
 $(THISDIR)/GNUmakefile:: $(BUILDDIR)/dependencies $(BUILDDIR)/destinations
 	$(silent)$(TOUCH) $(THISDIR)/GNUmakefile
 	$(silent)$(RM) -f $(BUILDDIR)/.update-types
@@ -406,7 +421,7 @@ ifeq ($(wildcard $(BUILDDIR)/.update-types),)
 # This recipe sleeps for one second to ensure that files built after the restart have a more current time·stamp.
 $(THISDIR)/GNUmakefile:: $(BUILDDIR)/magic.mgc $(BUILDDIR)/parser.xslt
 	$(silent)$(TOUCH) $(THISDIR)/GNUmakefile
-	$(silent)$(RM) -f $(call quote,$(BUILDDIR)/dependencies)
+	$(silent)$(RM) -f $(call quote,$(BUILDDIR)/dependencies) $(call quote,$(BUILDDIR)/destinations)
 	@$(PRINTF) '%b\n' '\0033[1mMagic file or parsers have updated. Restarting…\0033[22m'
 	$(silent)$(SLEEP) 1
 	$(silent)$(TOUCH) $(call quote,$(BUILDDIR)/.update-types)
@@ -414,14 +429,21 @@ endif
 
 # ─ ¶ Build Targets ───────────────────────────────────────────────────
 
+# Create symbolic links from the build directory’s store of magic files
+# to their corresponding sources.
+$(call magicfile,$(MAGIC)): $(BUILDDIR)/magic/%: $$(call magicsource,$$@)
+	$(silent)$(call ensuredirectory,$(dir $@))
+	$(silent)$(LN) -sf $(call quote,$(realpath $<)) $(call quote,$@)
+
 # Generate the compiled magic file from its sources.
 #
 # It must be updated if any of the files in the magic directory change.
 # It ⁜also⁜ should be updated if any of the files in the magic directory are deleted, but this isn’t tracked presently.
-$(BUILDDIR)/magic.mgc: $(wildcard $(MAGICDIR)/*)
+$(BUILDDIR)/magic.mgc: $(call magicfile,$(MAGIC))
+	$(foreach outdated,$(filter-out $^,$(wildcard $(BUILDDIR)/magic/*)),$(silent)$(RM) $(call quote,$(outdated))$(newline))
 	@$(ECHO) "Compiling new magic…"
 	$(silent)$(call ensuredirectory,$(dir $@))
-	$(silent)cd $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(MAGICDIR)))
+	$(silent)cd $(call quote,$(BUILDDIR)) && $(FILE) -C -m $(call quote,$(realpath $(BUILDDIR)/magic))
 
 # Generate the main parser.
 $(BUILDDIR)/parser.catalog: $(PARSERS)