Added autoconf to manage building and installation flow

.gitignore

@@ -1,6 +1,9 @@
+**/.*
+
 # emacs buffers and backup files
 **/*~
 **/*#
+**/.#*
 
 # elm buildfiles
 frontend/elm-stuff/
@@ -9,3 +12,9 @@ frontend/www/elm.js
 # backend logs and data
 backend/*.log
 backend/repo/
+
+# autoconf products
+**/Makefile
+configure.scan
+config.log
+config.status

Makefile

@@ -1,15 +0,0 @@
-
-ELM := $(shell command -v elm 2>/dev/null)
-GUILE := $(shell command -v guile 2>/dev/null)
-ART := $(shell command -v art)
-ifndef ELM
-ELM = $(error "elm installation not found in PATH")
-endif
-ifndef GUILE
-GUILE = $(error "guile installation not found in PATH")
-endif
-ifndef ART
-ART = $(error "artanis installation not found in PATH")
-endif
-
-ELM_TARGET = frontend/www/elm.js

Makefile.in

@@ -0,0 +1,22 @@
+
+.PHONY: all back front install
+
+all: back front
+
+back:
+	cd backend && ${MAKE}
+
+front:
+	cd frontend && ${MAKE}
+
+@public_dir@:
+	cd frontend && ${MAKE} install
+
+@nginx_config@: m4/environment.m4 nginx/yacswa.conf.m4
+	 m4 m4/environment.m4 nginx/yacswa.conf.m4 > @nginx_config@
+
+install: @public_dir@ @nginx_config@
+
+up: install
+	sudo $(LN_S) /etc/nginx/sites_available/yacswa.conf /etc/nginx/sites_enabled/
+        cd backend && ${MAKE} up

backend/Makefile.in

@@ -0,0 +1,20 @@
+
+.PHONY: all deps tk csv up down
+
+all: deps
+
+deps: tk csv
+
+tk:
+	cd deps/guile-toolkit && ${MAKE} && sudo ${MAKE} install
+
+csv:
+	cd deps/guile-csv && ${MAKE} && sudo ${MAKE} install
+
+up: deps .backend.lock
+
+.backend.lock: main.scm
+	@nohup $(GUILE) ./main.scm > yacswa-backend.log & export PID=$$! & echo "Server spawned with PID $${PID}"; echo $${PID} > .backend.lock; unset PID
+
+down:
+	@export PID=`cat .backend.lock`; kill -15 $${PID}; rm .backend.lock; rm bc; echo "Server on PID $${PID} down."; unset PID

configure.in

@@ -0,0 +1,28 @@
+#                                               -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+AC_PREREQ([2.72])
+AC_INIT([Yet Another Covid Statistics Web App], [1.0], [me@bradymcd.ca])
+
+# Pull in environment variables
+AC_SUBST([server_name], [yacswa.home])
+AC_SUBST([public_dir], [/srv/yacswa.home])
+AC_SUBST([nginx_config], [yacswa.home.conf])
+
+# Checks for programs.
+AC_PROG_MAKE_SET
+AC_CHECK_PROG(GUILE, [guile], [guile], [no])
+test "$GUILE" == "no" && AC_MSG_ERROR([Guile's interpreter: 'guile' not found.])
+AC_CHECK_PROG(GUILD, [guild], [guild], [no])
+test "$GUILD" == "no" && AC_MSG_ERROR([Guile's compiler: 'guild' not found.])
+AC_CHECK_PROG(ART, [art], [art], [no])
+test "$ART" == "no" && AC_MSG_ERROR([Guile Artanis webserver: 'art' not found.])
+AC_CHECK_PROG(ELM, [elm], [elm], [no])
+test "$ELM" == "no" && AC_MSG_ERROR([Elm's compiler: 'elm' not found.])
+AC_PROG_LN_S
+
+
+AC_CONFIG_FILES([Makefile
+                 backend/Makefile
+                 frontend/Makefile])
+AC_OUTPUT

frontend/Makefile.in

@@ -0,0 +1,16 @@
+
+.PHONY: all
+
+all: www/elm.js
+
+www/elm.js:
+	$(ELM) make src/Main.elm --output=www/elm.js
+
+install: www/elm.js @public_dir@
+
+@public_dir@:
+	mkdir @public_dir@
+	cp ./www/ @public_dir@
+
+uninstall:
+	rm -rf @public_dir@

nginx/yacswa.conf.m4

@@ -0,0 +1,30 @@
+
+server {
+    listen 80;
+    listen [::]:80;
+
+    server_name @server_name@ www.@server_name@;
+
+    root _PUBLIC_DIR_;
+    try_files $uri $uri/ /not_found;
+
+    location /json/pc {
+        proxy_pass 127.0.0.1:1665/json/pc
+    }
+
+    location /json/hr {
+        proxy_pass 127.0.0.1:1665/json/hr
+    }
+
+    location /json/batch {
+        proxy_pass 127.0.0.1:1665/json/batch
+    }
+
+    location /update {
+        proxy_pass 127.0.0.1:1665/update
+    }
+
+    location /not_found {
+        return 404;
+    }
+}