From eeebc91723d27060738b9da222024ce4bb39f8cd Mon Sep 17 00:00:00 2001
From: Jonathan Bernard <jonathan@jdbernard.com>
Date: Sun, 4 Aug 2019 22:53:58 -0500
Subject: [PATCH] Little niceties around development process.

---
 .gitignore |  1 +
 Makefile   | 18 +++++++++++++-----
 makewatch  | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 62 insertions(+), 5 deletions(-)
 create mode 100644 makewatch

diff --git a/.gitignore b/.gitignore
index 45d62d8..ab5f965 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 *.sw?
+dist/
diff --git a/Makefile b/Makefile
index 8d345d1..f893229 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,15 @@
-deploy:
-	-rm -r dist
-	mkdir dist
-	cp flashcards.* dist
-	git describe --always --tags | xargs --replace=INSERTED -- sed -i -e 's/%VERSION%/INSERTED/' dist/*
+deploy: clean build
 	aws s3 sync dist s3://flashcards.jdbernard.com
 	rm -r dist
+
+serve-local:
+	(cd dist && python -m SimpleHTTPServer &)
+	./makewatch build
+
+build: flashcards.*
+	-mkdir dist
+	cp flashcards.* dist
+	git describe --always --dirty --tags | xargs --replace=INSERTED -- sed -i -e 's/%VERSION%/INSERTED/' dist/*
+
+clean:
+	-rm -r dist
diff --git a/makewatch b/makewatch
new file mode 100644
index 0000000..a40b3ff
--- /dev/null
+++ b/makewatch
@@ -0,0 +1,48 @@
+#!/bin/bash -e
+
+# Don Marti <dmarti@zgp.org>
+# (If you need a license on this in order to use it,
+# mail me and I'll put a license on it.  Otherwise,
+# de minimis non curat lex.)
+
+# re-run make, with the supplied arguments, when a
+# Makefile prerequisite changes.  Example:
+#   makewatch test
+# Fun to use with Auto Reload (Firefox) or Tincr (Chrome) and Pandoc
+#   https://addons.mozilla.org/en-US/firefox/addon/auto-reload/
+#   http://tin.cr/
+#   http://johnmacfarlane.net/pandoc/
+# Requires inotifywait.  Probably requires GNU Make to
+# get the right "-dnr" output.  Not tested with other
+# "make" implementations
+
+# If $MAKEWATCH is set to an existing file or
+# space-separated list of files, also checks those.
+
+make_prereqs() {
+    # Make "make" figure out what files it's interested in.
+    echo "Makefile"
+    find $MAKEWATCH
+    gmake -dnr $* | tr ' ' '\n' | \
+        grep ".*'.$" | grep -o '\w.*\b'
+}
+
+prereq_files() {
+    # prerequisites mentioned in a Makefile
+    # that are extant files
+    echo ' '
+    for f in `make_prereqs $* | sort -u`; do
+        [ -e $f ] && echo -n "$f ";
+    done
+    echo
+}
+
+make $*
+while true; do
+    fl=$(prereq_files $*)
+    ev=$(inotifywait --quiet --format %e $fl)
+    if [ "xOPEN" != "x$ev" ]; then
+        sleep 1
+        make $*
+    fi
+done