Support multiple hosts and build targets

thunix/tilde.target.basedir

@@ -1 +1 @@
-../../public_html2/
+../../public_html/

zola

@@ -1,18 +1,110 @@
 #!/bin/bash
-[[ $# = 0 ]] && echo "ERROR" && exit 1
+[[ $# = 0 ]] && echo "ERROR: manyzola should be called with a project name" && exit 1
 
-ARGS=""
-if [ -f $GITBUILDDIR/config/hostname ]; then
-	base_url="https://$(cat $GITBUILDDIR/config/hostname)/~$USER/$1"
-	ARGS="$ARGS -u $base_url"
-fi
-  
-zola build $ARGS
-if [[ $? != 0 ]]; then
-	echo "Building site $1 failed."
-	exit 2
+# $ manyzola project_name
+# Looks up build targets in $GITBUILDCONF and builds the zola project for all targets
+# A build target "t" has two files:
+#   - t.target.baseurl building the base_url for the site from $1 (the project_name)
+#   - t.target.basedir symlink to where the project should be built (can use $1)
+# Additionally a project "p" can override these settings with p.baseurl and p.basedir.
+# Contrary to target basedir, project basedir does not have $1 appended.
+# When no target and no project settings are found:
+#   - if ~$GITBUILDCONF/hostname exists, build site for hostname/~$USER/$1 to ~/public_html/$1
+#   - otherwise, we can't do anything so we exist with error
+# WARNING: this new version was only tested on multi-host setup
+
+# Function to format base_url
+# url_template "foobar" /foo/bar/urltemplate
+#   foobar is project name ($1)
+#   urltemplate is the baseurl file to expand
+url_template () {
+	sed "s/\$1/$1/g" "$2" | envsubst
+}
+
+build_to () {
+	# $1 is destination folder, the rest of args is passed to zola
+	DEST=$1
+	shift # <-- Removes $1 and $2 is now $1, etc..
+
+	echo "Building to $DEST"
+
+	zola build $@
+	if [[ $? != 0 ]]; then
+		echo "Building site failed."
+		exit 2
+	fi
+
+	[ ! -d $DEST ] && mkdir $DEST
+	cp -R public/* $DEST/
+	rm -R public
+}
+
+# By default, run all targets. However if we find project-specific settings we only run those
+SINGLE=0
+
+if [ -f $GITBUILDCONF/$1.baseurl ]; then
+	SINGLE=1
+    base_url="$(url_template $1 $GITBUILDCONF/$1.baseurl)"
 fi
 
-rm -R ~/public_html/$1
-cp -R public ~/public_html/$1
-rm -R public
+if [ -f $GITBUILDCONF/$1.basedir ]; then
+	SINGLE=1
+	dest="$(cat $GITBUILDCONF/$1.basedir)"
+fi
+
+if [[ $SINGLE = 1 ]]; then
+	echo "[$1] Project has specific settings"
+	# We are in a project-specific build!
+	# We have dest and/or base_url, fill missing info with defaults
+	# However, if we can't find a hostname to build defaut base_url, it fails!
+	if [ -z $base_url ]; then
+		if [ ! -f $GITBUILDCONF/hostname ]; then
+			echo "ERROR: Could not find a base_url to build $1"
+			exit 1
+		fi
+		base_url="https://$(cat $GITBUILDCONF/hostname)/~$USER/$1"
+	fi
+	[ -z $dest ] && dest=$HOME/public_html/$1
+	# BUILD
+	build_to $dest -u $base_url
+	exit $?
+fi
+
+# Now we want to fail if we don't have a hostname to build URLs from
+if [ ! -f $GITBUILDCONF/hostname ]; then
+	echo "ERROR: Could not find a base_url to build $1"
+	echo "Missing file: $GITBUILDCONF/hostname"
+	exit 1
+fi
+
+# If no targets are found, we try to build with default settings
+TARGETS=($GITBUILDCONF/*.target.baseurl)
+if [[ 0 = "${#TARGETS[@]}" ]]; then
+	echo "[$1] Building with default settings"
+	base_url="https://$(cat $GITBUILDCONF/hostname)/~$USER/$1"
+	dest=$HOME/public_html/$1
+	# BUILD
+	build_to $dest -u $base_url
+	exit $?
+fi
+
+
+
+# Follow each target settings to build the site
+# A target t needs both t.target.baseurl and t.target.basedir
+# Contrary to single projects, targets auto-append $1 to basedir because they are intended to build many sites not 1
+FAILED=0
+for t in $GITBUILDCONF/*.target.baseurl; do
+	t_name="$(basename $t .target.baseurl)"
+	dest=$GITBUILDCONF/$t_name.target.basedir
+	echo "[$1] Found target $t_name"
+	# Check if basedir is symbolic link (hopefully to a real dir)
+	if [ ! -h $dest ]; then
+		echo "ERROR: no $dest. Skipping $1:$t_name"
+		continue
+	fi
+	base_url="$(url_template $1 $t)"
+	[[ "$base_url" = "" ]] && echo "FAILED TO BUILD URL" && FAILED=1 && continue
+	# BUILD in subdirectory
+	build_to "$dest/$1" -u "$base_url" || FAILED=1
+done