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create-index-entry.awk
Executable file
122
create-index-entry.awk
Executable file
@ -0,0 +1,122 @@
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#! /usr/bin/awk -f
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#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-#
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# create-post-entry.awk
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#
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# Create an index entry from a Gemtext file
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#
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# This program transforms information from a gemtext post into an index entry.
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# The index entry needs to be a valid Gemini hyperlink. The hyperlink notation
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# contains the following elements:
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#
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# * Hyperlink line marker. That is, the line must start with "=> ".
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# * URL as the second element.
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# * Desription as a optional third element.
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#
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# The program:
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#
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# * Forms the URL from the filename of the file that it is processing. Thus,
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# it will not work correctly with text from standard input.
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#
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# * Constructs the desciption from the
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# * Published date
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# * Title
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# * Revised date (if present)
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#
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# The AWK program expects the Gemtext file to:
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#
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# 1. Contain the title on the first line, without the heading level prefix.
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#
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# 2. Record the published date on a line that begins with "Published: " and
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# then has an ISO formatted date, e.g., 2023-05-26.
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#
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# 3. Record revision history on lines that begin with "Revised: " and then
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# have ISO formatted date. These are optional. The program takes the last
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# revision date.
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#
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# The program will write a warning to standard error when there are empty
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# values for the title or published date. If the program cannot determine the
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# file name, then it exits with error code 1.
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#
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#
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# USAGE
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#
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# awk -f create-post-entry.awk gemtext-file
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#
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# AUTHOR
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#
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# © Andrew Stryker <axs@sdf.org>
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#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-#
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BEGIN {
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# Include colon and comma for record splitting
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FS = "[:,[:space:]]+"
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# Declare the variables that we will use and set them to empty
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# strings. Note, AWK evaluates the empty string as false.
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title = ""
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published = ""
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revised = ""
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tags["---"] = 1
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}
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FNR == 1 {
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# if we cannot get a file name, then we cannot create a valid URL
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# and need to fail
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assert(FILENAME != "-", "Could not determine the filename")
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title = gensub(/^#+ */, "", 1, $0) # remove heading marker, if present
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if (!title) {
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print "Missing title on the first line" > "/dev/stderr"
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}
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next
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}
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/^Published: +[[:digit:]]{4}(-[[:digit:]]{2}){2}/ {
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published = $2
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next
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}
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/^Revised: +[[:digit:]]{4}-[[:digit:]]{2}-[[:digit:]]{2}/ {
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revised = sprintf(", revised on %s", $2)
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next
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}
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# Create a set of tags
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/^Tags:/ {
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for (i = 2; i <= NF; ++i) {
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tags[$i] = 1
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}
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next
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}
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END {
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if (_assert_exit) {
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exit 1
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}
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if (!published) {
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printf("Missing published date in %s\n", FILENAME) \
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> "/dev/stderr"
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}
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for (t in tags) {
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printf("%s\t=> %s %s -- %s%s\n", t, FILENAME, published,
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title, revised)
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}
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}
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# assert --- assert that a condition is true. Otherwise, exit.
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# adapted from:
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# https://www.gnu.org/software/gawk/manual/gawk.html#Assert-Function
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function assert(condition, string) {
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if (! condition) {
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printf("%s:%d: assertion failed: %s\n",
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FILENAME, FNR, string) > "/dev/stderr"
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_assert_exit = 1
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exit 1
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}
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}
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#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-#
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115
curate.mk
Normal file
115
curate.mk
Normal file
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#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-#
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#> content.makefile
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#
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#> Build
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#>
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#> This Makefile handles creating, building, and publishing posts for a Gemini
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#> site.
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#>
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# The key challenge here is creating the index files.
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# 1. Create a file with index entries
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# 2. Extract a list of tags to file
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# 3.
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#
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# © 2023 Andrew Stryker <axs@sdf.org>
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#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-#
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#-----------------------------------------------------------------------------#
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#
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# Configuration
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#
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#-----------------------------------------------------------------------------#
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# Record the name of this Makefile
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self ::= $(lastword ${MAKEFILE_LIST})
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# Load environment variables if needed--not the case when this is called from
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# the main Makefile
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ifndef ENV_LOADED
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# Assume the base directory is two levels up if not defined
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MAKO_DIR ?= ../..
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include ${MAKO_DIR}/environment.mk
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endif
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# Use the current directory as the content section name
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content_section ::= $(shell basename ${CURDIR})
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staging_dir ::= ${STAGING}/${content_section}
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# Gather file lists
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templates ::= $(wildcard *.gmi.m4)
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templates_expanded ::= $(addprefix ${staging_dir}/,${templates:.gmi.m4=.gmi})
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gemtext ::= $(wildcard *.gmi)
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gemtext_copied ::= $(addprefix ${staging_dir}/,${gemtext})
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all ::= $(notdir $(filter-out _%,%.m4,%~,.%,$(wildcard *)))
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#-----------------------------------------------------------------------------#
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#
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# User interface
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#
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#> This makefile supports the following targets:
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#>
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#-----------------------------------------------------------------------------#
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.PHONY: default build clean show help create
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# Define the default target explicitly
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default: create
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create: #> Create a new post (default)
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@if [ -z $${EDITOR} ]; then \
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python3 create-post.py; \
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else \
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python3 create-post.py --edit; \
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fi
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build: ${gemtext_copied} ${templates_expanded}
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@echo "✓ Completed processing ${content_section}"
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@echo
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show: #> Show enironment variables with values
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@echo "Key variables defined in ${self}:"
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@echo
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@echo "Makefile list: ${MAKEFILE_LIST}"
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@echo
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@echo "Content section............................... ${content_section}"
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@echo "Staging space................................. ${staging_dir}"
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@echo
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@echo "Templates found:"
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@for x in ${templates}; do echo "\t$$x"; done
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@echo
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@echo "Gemtext files found:"
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@for x in ${gemtext}; do echo "\t\t$$x"; done
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@echo
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clean: #> Delete generated files
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@rm -rf ${staging_dir}
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@echo "✓ Deleted ${staging_dir} and everything in it"
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help: #> Display this help message
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@awk -f ${AWKHELP} ${self}
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#-----------------------------------------------------------------------------#
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#
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# File system interface
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#
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#-----------------------------------------------------------------------------#
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${staging_dir}:
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@mkdir -p $@
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@echo "\t✓ Created staging space: $@"
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${templates_expanded}: ${staging_dir}/%: %.m4 ${staging_dir} ${FENCE} ${all}
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@m4 --include=${MAKO_DIR} $< > $@
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@echo "\t✓ Generated $@"
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${gemtext_copied}: ${staging_dir}/%: % ${staging_dir}
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@cat $< > $@
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@echo "\t✓ Copied $@"
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#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-#
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125
environment.mk
Normal file
125
environment.mk
Normal file
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#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-#
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#> environment.mk
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#>
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#> Define global environment variables
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#>
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#> This file is typically included from the main Makefile rather called
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#> directly. Its purpose is to keep the responsbility of the main Mainfile
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#> compact. The responsbility of this Makefile is to define global
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#> environment variables, some of which it read from a user created file.
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#>
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#
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# © 2023 Andrew Stryker <axs@sdf.org>
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#
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#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-#
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# Track file name of caller
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ifdef self
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caller ::= self
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endif
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self ::= $(notdir $(lastword ${MAKEFILE_LIST}))
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#-----------------------------------------------------------------------------#
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#
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# Configuration
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#
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#-----------------------------------------------------------------------------#
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ifndef ENV_LOADED
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# Track loading the environment
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ENV_LOADED ::= 1
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export ENV_LOADED
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# Avoid an unexpected shell environment
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SHELL = /bin/sh
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export SHELL
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# Base/root directory of the build system. Allows us to use absolute paths.
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MAKO_DIR ?= ${CURDIR}
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export MAKO_DIR
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# Place for user content
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CONTENT ?= ${MAKO_DIR}/content
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CONTENT ::= $(strip ${CONTENT})
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export CONTENT
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# User-defined configuration file
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site_env ?= ${CONTENT}/site-env
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site_env ::= $(strip ${site_env})
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ifeq ($(strip $(shell [ -r ${site_env} ] && echo ${site_env})),)
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$(info Generate a site configuration file first via `make configure`)
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$(error Configuration file ${site_env} not readable.)
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else
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include ${site_env}
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endif
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# Place for intermediate files
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WORKING ?= ${MAKO_DIR}/workspace
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WORKING ::= $(strip ${WORKING})
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export WORKING
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# Place for site files ready to be transferred to the site
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STAGING ?= ${MAKO_DIR}/staging
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STAGING ::= $(strip ${STAGING})
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export STAGING
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# Makefiles
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CURATE_MAKE ::= ${MAKO_DIR}/curate.mk
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INDEX_MAKE ::= ${MAKO_DIR}/index.mk
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# M4 fencing for raw text
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FENCE ::= ${MAKO_DIR}/fence.m4
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export FENCE
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# Help generation
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AWKHELP ::= ${MAKO_DIR}/generate-help.awk
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export AWKHELP
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endif
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#-----------------------------------------------------------------------------#
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||||
#
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# User interface targets
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#
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#> User facing targets:
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||||
#>
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||||
#-----------------------------------------------------------------------------#
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||||
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||||
# Only define targets if called directly
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ifeq ($(firstword ${MAKEFILE_LIST}), ${self})
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||||
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||||
.PHONY: default show help
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||||
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||||
default: show
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||||
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||||
show: #> Show key variables
|
||||
@echo "Key variables defined in ${self}:"
|
||||
@echo
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||||
@echo "\tBase/root directory of the build system..... ${MAKO_DIR}"
|
||||
@echo "\tUsef-defined configuration.................. ${site_env}"
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@echo
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# future location for templates
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||||
@echo "\tLocation of user content.................... ${CONTENT}"
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||||
@echo "\tWorking area for intermediate files......... ${WORKING}"
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||||
@echo "\tStaging area for site....................... ${STAGING}"
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||||
@echo
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@echo "\tM4 macro for raw text....................... ${FENCE}"
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||||
@echo "\tHelp generation AWK file.................... ${AWKHELP}"
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help: #> Show this help message
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@awk -f ${AWKHELP} ${self}
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||||
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||||
endif
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||||
|
||||
#-----------------------------------------------------------------------------#
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||||
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# Restore value of self to the caller's file name if possible
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ifdef caller
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self ::= ${caller}
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endif
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#>
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#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-#
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96
fence.m4
Normal file
96
fence.m4
Normal file
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dnl ---------------------------------------------------------------------------#
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dnl fence.m4
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dnl
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dnl Fence pre-formated text or code into Markdown and Gemtext documents
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dnl
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dnl Both Markdown extensions and Gemini use backticks to fence 'raw' text
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dnl blocks. m4 uses backticks to quote text. This file simplifies managing
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dnl text that would otherwise be subject to macro quoting rules.
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dnl
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dnl This file provides four macros to resolve this conflict:
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dnl
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dnl * DELIMITER -- insert three backticks delimiter
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||||
dnl * FENCE -- wraps its argument inside a backtick fence
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||||
dnl * CODE -- wraps its arguement with backticks for inline code
|
||||
dnl * CODEBLOCK -- forms a code block where the first argument is placed
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dnl after the leading backticks and the second argument is
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||||
dnl the code
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||||
dnl
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||||
dnl In some circumstances, changing m4's quote characters will make for
|
||||
dnl a better solution.
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||||
dnl
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||||
dnl Note, the implementation uses "-<-<" and ">->-" as temporary m4 quote
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dnl characters.
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||||
dnl
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||||
dnl Examples:
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||||
dnl
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||||
dnl FENCE(foo) =>
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dnl ```
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||||
dnl foo
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||||
dnl ```
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||||
dnl
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||||
dnl CODEBLOCK(sh, `echo foo') =>
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||||
dnl ```sh
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||||
dnl echo foo
|
||||
dnl ```
|
||||
dnl
|
||||
dnl CODE(`x = 3') =>
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||||
dnl `x = 3`
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||||
dnl ''
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||||
dnl
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||||
dnl Use in combination `undivert' to include code files:
|
||||
dnl
|
||||
dnl CODEBLOCK(c, `undivert(`hellow-world.c')')
|
||||
dnl
|
||||
dnl Use in combination with `syscmd`:
|
||||
dnl
|
||||
dnl FENCE(`syscmd(`ls')')
|
||||
dnl
|
||||
dnl
|
||||
dnl Usage:
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||||
dnl
|
||||
dnl Use the 'include()' macro to import this macros into your m4 file.
|
||||
dnl
|
||||
dnl Author: axs@sdf.org
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||||
dnl
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||||
dnl ---------------------------------------------------------------------------#
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||||
dnl
|
||||
dnl Write backticks, handling the conflict with m4 quoting
|
||||
dnl
|
||||
dnl Following advice from Michael Breen, we:
|
||||
dnl * Redefine the quote characters
|
||||
dnl * Write the backticks
|
||||
dnl * Surpress the apostrophies
|
||||
dnl * Revert the quote characters to the orginal state
|
||||
dnl
|
||||
dnl see: https://mbreen.com/m4.html
|
||||
dnl
|
||||
define(`DELIMITER', `changequote(`-<-<',`>->-')```dnl'''
|
||||
changequote`'')dnl
|
||||
dnl
|
||||
dnl ---------------------------------------------------------------------------#
|
||||
dnl
|
||||
dnl Create a pre-formatted text block
|
||||
dnl
|
||||
define(`FENCE', `dnl
|
||||
DELIMITER()
|
||||
$1`'dnl
|
||||
DELIMITER()
|
||||
')dnl
|
||||
dnl ---------------------------------------------------------------------------#
|
||||
dnl
|
||||
dnl Create a code block
|
||||
dnl
|
||||
define(`CODEBLOCK', `dnl
|
||||
DELIMITER()$1
|
||||
$2
|
||||
DELIMITER()
|
||||
')dnl
|
||||
dnl ---------------------------------------------------------------------------#
|
||||
dnl
|
||||
dnl Inline code
|
||||
dnl
|
||||
define(`CODE', `changequote(`-<-<',`>->-')`$1`dnl''
|
||||
changequote`'')dnl
|
||||
dnl
|
||||
dnl ---------------------------------------------------------------------------#
|
||||
225
index.mk
Normal file
225
index.mk
Normal file
@ -0,0 +1,225 @@
|
||||
#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-#
|
||||
# index.mk
|
||||
#
|
||||
#> Index Gemini site content
|
||||
#>
|
||||
#> This Makefile builds content indicies for a Gemini site.
|
||||
#>
|
||||
#
|
||||
# Allowing posts to be m4 files introduces complexity without clear benefit.
|
||||
# Thus we are
|
||||
#
|
||||
# Strategy:
|
||||
# 1. Mark all *.gmi files as posts.
|
||||
# 2. Limit macros to:
|
||||
# a. Section index
|
||||
# b. Tagged index
|
||||
# c. Header
|
||||
# d. Footer
|
||||
# 4. Create index entries for each *.gmi file.
|
||||
# 5. Build the full list of tags.
|
||||
# 6. Generate the post as `cat footer.gmi post.gmi footer.gmi`.
|
||||
# 7. Build the tagged index files from the list of tags.
|
||||
# 8. Build index.gmi from tag list.
|
||||
#
|
||||
# The key challenge is step 7. We do not know how to build this until we
|
||||
# completed step 5. Two possible approaches:
|
||||
# 1. Create a macro
|
||||
# 2. Recurse into another Makefile.
|
||||
#
|
||||
# © 2023 Andrew Stryker <axs@sdf.org>
|
||||
#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-#
|
||||
|
||||
#-----------------------------------------------------------------------------#
|
||||
#
|
||||
# Configuration
|
||||
#
|
||||
#-----------------------------------------------------------------------------#
|
||||
|
||||
# Record the name of this Makefile
|
||||
self ::= $(lastword ${MAKEFILE_LIST})
|
||||
|
||||
# Load environment variables if needed--not the case when this is called from
|
||||
# the main Makefile
|
||||
ifndef ENV_LOADED
|
||||
|
||||
# Assume the base directory is two levels up if not defined
|
||||
MAKO_DIR ?= ../..
|
||||
|
||||
include ${MAKO_DIR}/environment.mk
|
||||
|
||||
endif
|
||||
|
||||
# Use the current directory as the content section name
|
||||
content_section ::= $(shell basename ${CURDIR})
|
||||
working_dir ::= ${WORKING}/${content_section}
|
||||
staging_dir ::= ${STAGING}/${content_section}
|
||||
|
||||
# Define using the same definition as in the main Makefile
|
||||
build_date_msg ?= This page was built on $$(date).
|
||||
|
||||
# Define special files
|
||||
index_template ::= index.gmi.m4
|
||||
index ::= ${staging_dir}/index.gmi
|
||||
|
||||
header_template ::= header.gmi.m4
|
||||
header ::= ${working_dir}/header.gmi
|
||||
|
||||
footer_template ::= footer.gmi.m4
|
||||
footer ::= ${working_dir}/footer.gmi
|
||||
|
||||
# Capture potential dependencies
|
||||
all ::= $(notdir $(filter-out _%,%~,.%,$(wildcard *)))
|
||||
|
||||
# all good above this line
|
||||
#-----------------------------------------------------------------------------#
|
||||
#
|
||||
# Configuration
|
||||
#
|
||||
#-----------------------------------------------------------------------------#
|
||||
|
||||
|
||||
|
||||
tagged_index_template ?= tagged-index.gmi.m4
|
||||
|
||||
posts ::= $(wildcard *.gmi)
|
||||
targets ::= $(addprefix ${STAGING}/, ${posts})
|
||||
|
||||
# support indexing
|
||||
entries ::= $(addprefix ${WORKSPACE}/, $(patsubst %.gmi, %.lnk, ${posts}))
|
||||
tag_list ::= ${WORKSPACE}/tag-list
|
||||
|
||||
|
||||
#tags = $(shell cut --delimiter ' ' --fields 3 ${tag_list} | sort)
|
||||
#tagged_indicies = $(addprefix ${STAGING}/, $(addsuffix .gmi, ${tags}))
|
||||
|
||||
|
||||
|
||||
# TODO: is there a name for elements header and footer? How can this work with
|
||||
# templates?
|
||||
# header and footer
|
||||
|
||||
|
||||
#-----------------------------------------------------------------------------#
|
||||
#
|
||||
# User interface
|
||||
#
|
||||
#> This makefile supports the following targets:
|
||||
#>
|
||||
#-----------------------------------------------------------------------------#
|
||||
|
||||
.PHONY: default build clean show help create
|
||||
|
||||
# define the default target explicitly
|
||||
default: create
|
||||
|
||||
create: #> Create a new post (default)
|
||||
@if [ -z $${EDITOR} ]; then \
|
||||
python3 create-post.py; \
|
||||
else \
|
||||
python3 create-post.py --edit; \
|
||||
fi
|
||||
|
||||
build: ${index}
|
||||
@echo "✓ Completed processing ${content_section}"
|
||||
@echo
|
||||
|
||||
|
||||
show: #> Show enironment variables with values
|
||||
@echo staging area: ${STAGING}
|
||||
@echo workspace: ${WORKSPACE}
|
||||
@echo post_index: ${post_index}
|
||||
@echo ${build_date_msg}
|
||||
@echo targets: ${post_targets}
|
||||
@echo header: ${header}
|
||||
@echo footer: ${footer}
|
||||
@echo tag list: ${tag_list}
|
||||
|
||||
clean: #> Delete generated files
|
||||
@rm -rf ${STAGING} ${WORKSPACE}
|
||||
@echo "\t✓ Deleted intermediate files"
|
||||
@echo "\t✓ Deleted all posts in ${STAGING}"
|
||||
|
||||
help: #> Display this help message
|
||||
@awk -f ../generate-help.awk ${MAKEFILE_LIST}
|
||||
|
||||
#-----------------------------------------------------------------------------#
|
||||
#
|
||||
# File system interface
|
||||
#
|
||||
#-----------------------------------------------------------------------------#
|
||||
|
||||
${working_dir} ${staging_dir}: %:
|
||||
@mkdir -p $@
|
||||
@echo "\t✓ Created space: $@"
|
||||
|
||||
${header} ${footer}: ${working_dir}/%: % ${working_dir} ${all}
|
||||
@mkdir -p $@
|
||||
@echo "\t✓ Created: $@"
|
||||
|
||||
${index}: ${index_template} ${header} ${footer} ${posts}
|
||||
|
||||
# Build posts
|
||||
#
|
||||
# 1. Expand header and footer macros
|
||||
# 2. Concatenate header, post, footer into the staging area
|
||||
${header} ${footer}: ${WORKSPACE}/%: %.m4
|
||||
@echo building $@
|
||||
@m4 --include=${MAKO_DIR}/fence.m4 $< > $@
|
||||
@echo "\t✓ Created $@"
|
||||
|
||||
${targets}: ${STAGING}/%: % ${header} ${footer}
|
||||
@cat ${header} $< ${footer} > $@
|
||||
@echo ${build_date_msg} >> $@
|
||||
@echo "\t✓ Generated $@"
|
||||
|
||||
#
|
||||
# Build the tag list (indexing data)
|
||||
#
|
||||
# 1. Extract indexing data from each post
|
||||
# 2. Combine into one list of tags
|
||||
${entries}: ${WORKSPACE}/%.lnk: ${MAKO_DIR}/create-index-entry.awk %.gmi
|
||||
@awk -f $^ > $@
|
||||
@echo "\t✓ Created $@"
|
||||
|
||||
# build the tag list
|
||||
${tag_list}: ${entries}
|
||||
@cat $^ | sort --unique | \
|
||||
sed -e '/^---/ d; s/^\([a-zA-Z0-09]\+\).*/=> \1.gmi \1/' > $@
|
||||
@echo "\t✓ Created the tags list"
|
||||
|
||||
|
||||
#
|
||||
# Build the index files
|
||||
#
|
||||
#
|
||||
${index}: ${index_template} ${tag_list}
|
||||
# build the index files
|
||||
# recurse into another Makefile?
|
||||
@m4 --include=${MAKO_DIR} $< > $@
|
||||
|
||||
|
||||
#${tagged_indicies}: ${STAGING}/%.gmi: tag-index-template.gmi.m4 ${tag_list}
|
||||
# @m4 --include=.. \
|
||||
# --define=TAG=% \
|
||||
# --define=ENTRIES=${entries} \
|
||||
# --define=HEADER=${header} \
|
||||
# --define=FOOTER=${footer} \
|
||||
# tag-index-template.gmi.m4 $< > $@
|
||||
# @echo ✓ Created index $@
|
||||
|
||||
# generate the index entries across all posts
|
||||
${index_entries}: ${tag_list}
|
||||
@grep "^---" $^ | cut --delimiter=' ' --fields=2 | sort --reverse --key=3 > $@
|
||||
@echo ✓ Created $@
|
||||
|
||||
${index}: content-index.gmi.m4 ${STAGING} ${tag_list} ${header} ${footer} ${post_entry}
|
||||
@m4 --include=.. \
|
||||
--define=TAGS=${tags_list} \
|
||||
--define=POSTS=${post_entry} \
|
||||
--define=HEADER=${header} \
|
||||
--define=FOOTER=${footer} \
|
||||
$< > $@
|
||||
@echo ✓ Created $@
|
||||
|
||||
#-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-#
|
||||
Loading…
x
Reference in New Issue
Block a user