From bf330db8d9d503c26fee54ec3d1f29cc0d0fda09 Mon Sep 17 00:00:00 2001
From: David Luevano Alvarado <david@luevano.xyz>
Date: Tue, 16 Mar 2021 21:37:40 -0700
Subject: Add new sbg command, based on ssg, rssg and lb, wip

---
 .local/bin/ssg | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to '.local/bin/ssg')

diff --git a/.local/bin/ssg b/.local/bin/ssg
index 5c26190..2b4a4ec 100755
--- a/.local/bin/ssg
+++ b/.local/bin/ssg
@@ -30,6 +30,8 @@ main() {
 	test -d "$1" || no_dir "$1"
 	test -d "$2" || no_dir "$2"
 
+	# Convert src and dst to full paths,
+	# avoiding symlinks.
 	src=$(readlink_f "$1")
 	dst=$(readlink_f "$2")
 
@@ -131,15 +133,25 @@ main() {
 
 
 readlink_f() {
+	# $1 = src or dst
+
 	file="$1"
+	# Go to the root of the blog (strips dst or src from path)
 	cd "$(dirname "$file")"
+	# Only get the directory name (src or dst)
 	file=$(basename "$file")
+
+	# Tests if src or dst is a symbolic link,
+	# in which case resolves the symbolic link (readlink)
+	# and gets the actual directories.
 	while test -L "$file"
 	do
 		file=$(readlink "$file")
 		cd "$(dirname "$file")"
 		file=$(basename "$file")
 	done
+
+	# Avoid all symbolic links and return the actual path.
 	dir=$(pwd -P)
 	echo "$dir/$file"
 }
-- 
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