retab ssg5

1 files changed, 172 insertions, 172 deletions

diff --git a/ssg5 b/ssg5
index e34de43..301b020 100755
--- a/ssg5
+++ b/ssg5
@@ -17,244 +17,244 @@
 #
 
 main() {
-	test -n "$1" || usage
-	test -n "$2" || usage
-	test -n "$3" || usage
-	test -n "$4" || usage
- 	test -d "$1" || no_dir "$1"
- 	test -d "$2" || no_dir "$2"
-
-	src=$(readlink_f "$1")
-	dst=$(readlink_f "$2")
-
-	IGNORE=$(
-		if ! test -f "$src/.ssgignore"
-		then
-			printf ' ! -path "*/.*"'
-			return
-		fi
-		while read -r x
-		do
-			test -n "$x" || continue
-			printf ' ! -path "*/%s*"' "$x"
-		done < "$src/.ssgignore"
-	)
-
-	# files
-
-	title="$3"
-
-	h_file="$src/_header.html"
-	f_file="$src/_footer.html"
-	test -f "$f_file" && FOOTER=$(cat "$f_file") && export FOOTER
-	test -f "$h_file" && HEADER=$(cat "$h_file") && export HEADER
-
-	list_dirs "$src" |
-	(cd "$src" && cpio -pdu "$dst")
-
-	fs=$(
- 	if test -f "$dst/.files"
-	then list_affected_files "$src" "$dst/.files"
-	else list_files "$1"
-	fi
-	)
-
-	if test -n "$fs"
-	then
-		echo "$fs" | tee "$dst/.files"
-
-		if echo "$fs" | grep -q '\.md$'
-		then
-			if test -x "$(which lowdown 2> /dev/null)"
-			then
-				echo "$fs" | grep '\.md$' |
-				render_md_files_lowdown "$src" "$dst" "$title"
-			else
-			  echo "couldn't find lowdown nor Markdown.pl"
-				exit 3
-			fi
-		fi
-
-		echo "$fs" | grep '\.html$' |
-		render_html_files "$src" "$dst" "$title"
-
-		echo "$fs" | grep -Ev '\.md$|\.html$' |
-		(cd "$src" && cpio -pu "$dst")
-	fi
-
-	printf '[ssg] ' >&2
-	print_status 'file, ' 'files, ' "$fs" >&2
-
-
-	# sitemap
-
-	base_url="$4"
-	date=$(date +%Y-%m-%d)
- 	urls=$(list_pages "$src")
-
-	test -n "$urls" &&
-	render_sitemap "$urls" "$base_url" "$date" > "$dst/sitemap.xml"
-
-	print_status 'url' 'urls' "$urls" >&2
-	echo >&2
+  test -n "$1" || usage
+  test -n "$2" || usage
+  test -n "$3" || usage
+  test -n "$4" || usage
+  test -d "$1" || no_dir "$1"
+  test -d "$2" || no_dir "$2"
+
+  src=$(readlink_f "$1")
+  dst=$(readlink_f "$2")
+
+  IGNORE=$(
+    if ! test -f "$src/.ssgignore"
+    then
+      printf ' ! -path "*/.*"'
+      return
+    fi
+    while read -r x
+    do
+      test -n "$x" || continue
+      printf ' ! -path "*/%s*"' "$x"
+    done < "$src/.ssgignore"
+  )
+
+  # files
+
+  title="$3"
+
+  h_file="$src/_header.html"
+  f_file="$src/_footer.html"
+  test -f "$f_file" && FOOTER=$(cat "$f_file") && export FOOTER
+  test -f "$h_file" && HEADER=$(cat "$h_file") && export HEADER
+
+  list_dirs "$src" |
+  (cd "$src" && cpio -pdu "$dst")
+
+  fs=$(
+  if test -f "$dst/.files"
+  then list_affected_files "$src" "$dst/.files"
+  else list_files "$1"
+  fi
+  )
+
+  if test -n "$fs"
+  then
+    echo "$fs" | tee "$dst/.files"
+
+    if echo "$fs" | grep -q '\.md$'
+    then
+      if test -x "$(which lowdown 2> /dev/null)"
+      then
+        echo "$fs" | grep '\.md$' |
+        render_md_files_lowdown "$src" "$dst" "$title"
+      else
+        echo "couldn't find lowdown nor Markdown.pl"
+        exit 3
+      fi
+    fi
+
+    echo "$fs" | grep '\.html$' |
+    render_html_files "$src" "$dst" "$title"
+
+    echo "$fs" | grep -Ev '\.md$|\.html$' |
+    (cd "$src" && cpio -pu "$dst")
+  fi
+
+  printf '[ssg] ' >&2
+  print_status 'file, ' 'files, ' "$fs" >&2
+
+
+  # sitemap
+
+  base_url="$4"
+  date=$(date +%Y-%m-%d)
+  urls=$(list_pages "$src")
+
+  test -n "$urls" &&
+  render_sitemap "$urls" "$base_url" "$date" > "$dst/sitemap.xml"
+
+  print_status 'url' 'urls' "$urls" >&2
+  echo >&2
 }
 
 
 readlink_f() {
-	file="$1"
-	cd "$(dirname "$file")"
-	file=$(basename "$file")
-	while test -L "$file"
-	do
-		file=$(readlink "$file")
-		cd "$(dirname "$file")"
-		file=$(basename "$file")
-	done
-	dir=$(pwd -P)
-	echo "$dir/$file"
+  file="$1"
+  cd "$(dirname "$file")"
+  file=$(basename "$file")
+  while test -L "$file"
+  do
+    file=$(readlink "$file")
+    cd "$(dirname "$file")"
+    file=$(basename "$file")
+  done
+  dir=$(pwd -P)
+  echo "$dir/$file"
 }
 
 
 print_status() {
-	test -z "$3" && printf 'no %s' "$2" && return
+  test -z "$3" && printf 'no %s' "$2" && return
 
-	echo "$3" | awk -v singular="$1" -v plural="$2" '
-	END {
-		if (NR==1) printf NR " " singular
-		if (NR>1) printf NR " " plural
-	}'
+  echo "$3" | awk -v singular="$1" -v plural="$2" '
+  END {
+    if (NR==1) printf NR " " singular
+    if (NR>1) printf NR " " plural
+  }'
 }
 
 
 usage() {
-	echo "usage: ${0##*/} src dst title base_url" >&2
-	exit 1
+  echo "usage: ${0##*/} src dst title base_url" >&2
+  exit 1
 }
 
 
 no_dir() {
-	echo "${0##*/}: $1: No such directory" >&2
-	exit 2
+  echo "${0##*/}: $1: No such directory" >&2
+  exit 2
 }
 
 list_dirs() {
-	cd "$1" && eval "find . -type d ! -name '.' ! -path '*/_*' $IGNORE"
+  cd "$1" && eval "find . -type d ! -name '.' ! -path '*/_*' $IGNORE"
 }
 
 
 list_files() {
-	cd "$1" && eval "find . -type f ! -name '.' ! -path '*/_*' $IGNORE"
+  cd "$1" && eval "find . -type f ! -name '.' ! -path '*/_*' $IGNORE"
 }
 
 
 list_dependant_files () {
- 	e="\\( -name '*.html' -o -name '*.md' -o -name '*.css' -o -name '*.js' \\)"
-	cd "$1" && eval "find . -type f ! -name '.' ! -path '*/_*' $IGNORE $e"
+  e="\\( -name '*.html' -o -name '*.md' -o -name '*.css' -o -name '*.js' \\)"
+  cd "$1" && eval "find . -type f ! -name '.' ! -path '*/_*' $IGNORE $e"
 }
 
 list_newer_files() {
-	cd "$1" && eval "find . -type f ! -name '.' $IGNORE -newer $2"
+  cd "$1" && eval "find . -type f ! -name '.' $IGNORE -newer $2"
 }
 
 
 has_partials() {
-	grep -qE '^./_.*\.html$|^./_.*\.js$|^./_.*\.css$'
+  grep -qE '^./_.*\.html$|^./_.*\.js$|^./_.*\.css$'
 }
 
 
 list_affected_files() {
-	fs=$(list_newer_files "$1" "$2")
+  fs=$(list_newer_files "$1" "$2")
 
-	if echo "$fs" | has_partials
-	then list_dependant_files "$1"
-	else echo "$fs"
-	fi
+  if echo "$fs" | has_partials
+  then list_dependant_files "$1"
+  else echo "$fs"
+  fi
 }
 
 
 render_html_files() {
-	while read -r f
-	do
-    if [[ "$f" =~ index.html$ ]]; then
-      render_html_file "$3" < "$1/$f" > "$2/$f"
+  while read -r f
+  do
+    if [ "$(basename $f)" = "index.html" ]; then
+      out="$2/$f"
     else
       mkdir "$2/${f%\.html}"
-      render_html_file "$3" < "$1/$f" > "$2/${f%\.html}/index.html"
+      out="$2/${f%\.html}/index.html"
     fi
-	done
+    render_html_file "$3" < "$1/$f" > "$out"
+  done
 }
 
 
 render_md_files_lowdown() {
-	while read -r f
-	do
-    if [[ "$f" =~ index.md$ ]]; then
-      lowdown \
-		  < "$1/$f" |
-		  render_html_file "$3" \
-		  > "$2/${f%\.md}.html"
+  while read -r f
+  do
+    if [ "$(basename $f)" = "index.md" ]; then
+      out="$2/${f%\.md}.html"
+
     else
       mkdir "$2/${f%\.md}"
-		  lowdown \
-		  < "$1/$f" |
-		  render_html_file "$3" \
-		  > "$2/${f%\.md}/index.html"
+      out="$2/${f%\.md}/index.html"
     fi
-	done
+    lowdown \
+      < "$1/$f" |
+      render_html_file "$3" \
+      > "$out"
+  done
 }
 
 render_html_file() {
-	# h/t Devin Teske
-	awk -v title="$1" '
-	{ body = body "\n" $0 }
-	END {
-		body = substr(body, 2)
-		if (body ~ /<[Hh][Tt][Mm][Ll]/) {
-			print body
-			exit
-		}
-		if (match(body, /<[[:space:]]*[Hh]1(>|[[:space:]][^>]*>)/)) {
-			t = substr(body, RSTART + RLENGTH)
-			sub("<[[:space:]]*/[[:space:]]*[Hh]1.*", "", t)
-			gsub(/^[[:space:]]*|[[:space:]]$/, "", t)
-			if (t) title = t " &mdash; " title
-		}
-		n = split(ENVIRON["HEADER"], header, /\n/)
-		for (i = 1; i <= n; i++) {
-			if (match(tolower(header[i]), "<title></title>")) {
-				head = substr(header[i], 1, RSTART - 1)
-				tail = substr(header[i], RSTART + RLENGTH)
-				print head "<title>" title "</title>" tail
-			} else print header[i]
-		}
-		print body
-		print ENVIRON["FOOTER"]
-	}'
+  # h/t Devin Teske
+  awk -v title="$1" '
+  { body = body "\n" $0 }
+  END {
+    body = substr(body, 2)
+    if (body ~ /<[Hh][Tt][Mm][Ll]/) {
+      print body
+      exit
+    }
+    if (match(body, /<[[:space:]]*[Hh]1(>|[[:space:]][^>]*>)/)) {
+      t = substr(body, RSTART + RLENGTH)
+      sub("<[[:space:]]*/[[:space:]]*[Hh]1.*", "", t)
+      gsub(/^[[:space:]]*|[[:space:]]$/, "", t)
+      if (t) title = t " &mdash; " title
+    }
+    n = split(ENVIRON["HEADER"], header, /\n/)
+    for (i = 1; i <= n; i++) {
+      if (match(tolower(header[i]), "<title></title>")) {
+        head = substr(header[i], 1, RSTART - 1)
+        tail = substr(header[i], RSTART + RLENGTH)
+        print head "<title>" title "</title>" tail
+      } else print header[i]
+    }
+    print body
+    print ENVIRON["FOOTER"]
+  }'
 }
 
 
 list_pages() {
-	e="\\( -name '*.html' -o -name '*.md' \\)"
-	cd "$1" && eval "find . -type f ! -path '*/.*' ! -path '*/_*' $IGNORE $e" |
-	sed 's#^./##;s#.md$#.html#;s#/index.html$#/#'
+  e="\\( -name '*.html' -o -name '*.md' \\)"
+  cd "$1" && eval "find . -type f ! -path '*/.*' ! -path '*/_*' $IGNORE $e" |
+  sed 's#^./##;s#.md$#.html#;s#/index.html$#/#'
 }
 
 
 render_sitemap() {
-	urls="$1"
-	base_url="$2"
-	date="$3"
-
-	echo '<?xml version="1.0" encoding="UTF-8"?>'
-	echo '<urlset'
-	echo 'xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'
-	echo 'xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9'
-	echo 'http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"'
-	echo 'xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'
-	echo "$urls" |
-	sed -E 's#^(.*)$#<url><loc>'"$base_url"'/\1</loc><lastmod>'\
+  urls="$1"
+  base_url="$2"
+  date="$3"
+
+  echo '<?xml version="1.0" encoding="UTF-8"?>'
+  echo '<urlset'
+  echo 'xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'
+  echo 'xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9'
+  echo 'http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"'
+  echo 'xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'
+  echo "$urls" |
+  sed -E 's#^(.*)$#<url><loc>'"$base_url"'/\1</loc><lastmod>'\
 "$date"'</lastmod><priority>1.0</priority></url>#'
-	echo '</urlset>'
+  echo '</urlset>'
 }
 
 main "$@"