From 89be4eee2947c882c9b272e1a4fca9832e84b107 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Sun, 11 May 2025 15:41:02 +0200
Subject: add makefile to fetch live document

---
 _make/hedgedoc.mk | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 _make/hedgedoc.mk

(limited to '_make')

diff --git a/_make/hedgedoc.mk b/_make/hedgedoc.mk
new file mode 100644
index 0000000..88c8936
--- /dev/null
+++ b/_make/hedgedoc.mk
@@ -0,0 +1,52 @@
+# Make snippet for exchanging data with a HedgeDoc pad
+#
+# Copyright 2024, Jonas Smedegaard <dr@jones.dk>
+# SPDX-License-Identifier: GPL-3+
+#
+# Setup:
+# in main Makefile...
+#  * set variable PAD_LIST
+#  * set variable PAD_REPLACE if supported and wanted
+#  * include this make snippet
+#
+# Dependencies:
+#  * hedgedoc <https://github.com/hedgedoc/cli>
+#  * perl v5.36 or newer
+
+# whitespace-delimited list of file-URI pairs,
+# each consisting of a relative path to a local file
+# and a relative URI to a HedgeDoc pad,
+# separated by a colon
+#PAD_LIST = \
+# README.md:Xg5jgtkWQNqRzobI0qwrtw \
+# our_project/subdir/foo.data:XxgHj9yCQ_e6bsETro5DMA
+
+# when set to a non-empty value (and HedgeDoc service supports it),
+# importing from local file will attempt to replace existing pad,
+# instead of creating a new pad
+#PAD_REPLACE = yes
+
+# resolve files and URIs from PAD_LIST
+_PADFILES = $(foreach i,$(PAD_LIST),$(firstword $(subst :,$() ,$i)))
+_padfile2uri = $(patsubst $1:%,%,$(filter $1:%,$(PAD_LIST)))
+
+# register with HedgeDoc service
+pad-login:
+	hedgedoc login --email
+
+# list available pads at HedgeDoc service
+pad-list:
+	hedgedoc history
+
+pad-export-all: $(_PADFILES:%=pad-export-to-%)
+
+# export from pad to local file, and ensure it ends with a newline
+$(_PADFILES:%=pad-export-to-%): pad-export-to-%:
+	$(if $(wildcard $(dir $*)),,mkdir --parents $(dir $*))
+	hedgedoc export --md $(call _padfile2uri,$*) $*
+	perl -gpi -e 's/\s*\z/\n/' $*
+
+$(_PADFILES:%=pad-import-from-%): pad-import-from-%: %
+	hedgedoc import $< $(if $(PAD_WANTED),$(call _padfile2uri,$*))
+
+.PHONY: pad-login pad-list pad-export-all $(_PADFILES:%=pad-export-to-%) $(_PADFILES:%=pad-import-from-%)
-- 
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