From ed1e7770d73330e109dc309b3a07f694c80b8809 Mon Sep 17 00:00:00 2001
From: Dashamir Hoxha <dashohoxha@gmail.com>
Date: Thu, 10 Oct 2019 15:36:30 +0200
Subject: [PATCH 1/3] Script to check links on .md files

---
 scripts/check-links.sh | 45 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100755 scripts/check-links.sh

diff --git a/scripts/check-links.sh b/scripts/check-links.sh
new file mode 100755
index 0000000000..a4447d1464
--- /dev/null
+++ b/scripts/check-links.sh
@@ -0,0 +1,45 @@
+#!/bin/bash
+# Check links on the given .md files. If no files are given, check all
+# the .md files of the project.
+# Usage:
+#     scripts/check_links.sh <base-url> [<list-of-md-files>]
+#
+# If <base-url> is missing, default is 'https://dvc.org'
+# If the list of files is missing, all the .md files is 'static/' will be checked
+#
+# Examples:
+#     scripts/check_links.sh https://dvc.org static/docs/user-guide/*.md
+#     scripts/check_links.sh http://localhost:3000
+#     scripts/check_links.sh
+
+cd $(dirname $0)
+cd ..
+
+# wget settings
+# the option '--max-redirect=0' disables redirections
+settings="-q --max-redirect=0 --method=HEAD"
+
+BASE_URL=${1:-https://dvc.org}
+BASE_URL=${BASE_URL%/}    # remove a trailing /
+shift
+
+files="$@"
+[[ -z $files ]] && files='static/**/*.md'
+#echo "$files"    # debug
+
+shopt -s globstar
+for file in $files; do
+    #echo "===== $file"    # debug
+    grep -o ']([^)]*)' $file | sed -e 's/^](//' -e 's/)$//' | \
+        while read link; do
+            case $link in
+                /*)   url="${BASE_URL}${link}" ;;
+                '#'*) continue ;;
+                '')   continue ;;
+                *)    url=$link ;;
+            esac
+            #echo "--- $url"    # debug
+            wget $settings "$url" || echo "$file: '$link'"
+        done
+done
+

From 93d42c8cc3dd5d7d977a70185f4b67b657110e7f Mon Sep 17 00:00:00 2001
From: Dashamir Hoxha <dashohoxha@gmail.com>
Date: Thu, 10 Oct 2019 16:20:44 +0200
Subject: [PATCH 2/3] Small fix

---
 scripts/check-links.sh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/scripts/check-links.sh b/scripts/check-links.sh
index a4447d1464..61f571f026 100755
--- a/scripts/check-links.sh
+++ b/scripts/check-links.sh
@@ -5,7 +5,7 @@
 #     scripts/check_links.sh <base-url> [<list-of-md-files>]
 #
 # If <base-url> is missing, default is 'https://dvc.org'
-# If the list of files is missing, all the .md files is 'static/' will be checked
+# If the list of files is missing, all the .md files in 'static/' will be checked
 #
 # Examples:
 #     scripts/check_links.sh https://dvc.org static/docs/user-guide/*.md
@@ -42,4 +42,3 @@ for file in $files; do
             wget $settings "$url" || echo "$file: '$link'"
         done
 done
-

From 93f389e8385efbdbe37d0baab6f60dd7f5a80de9 Mon Sep 17 00:00:00 2001
From: Dashamir Hoxha <dashohoxha@gmail.com>
Date: Sat, 12 Oct 2019 22:30:39 +0200
Subject: [PATCH 3/3] Remove debug code etc.

---
 scripts/check-links.sh | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/scripts/check-links.sh b/scripts/check-links.sh
index 61f571f026..12d72de243 100755
--- a/scripts/check-links.sh
+++ b/scripts/check-links.sh
@@ -4,11 +4,11 @@
 # Usage:
 #     scripts/check_links.sh <base-url> [<list-of-md-files>]
 #
-# If <base-url> is missing, default is 'https://dvc.org'
-# If the list of files is missing, all the .md files in 'static/' will be checked
+# If <base-url> is missing, default is 'https://dvc.org'. If the list
+# of files is missing, all the .md files in 'static/' will be checked
 #
 # Examples:
-#     scripts/check_links.sh https://dvc.org static/docs/user-guide/*.md
+#     scripts/check_links.sh https://dvc.org static/docs/*/*.md
 #     scripts/check_links.sh http://localhost:3000
 #     scripts/check_links.sh
 
@@ -25,11 +25,9 @@ shift
 
 files="$@"
 [[ -z $files ]] && files='static/**/*.md'
-#echo "$files"    # debug
 
 shopt -s globstar
 for file in $files; do
-    #echo "===== $file"    # debug
     grep -o ']([^)]*)' $file | sed -e 's/^](//' -e 's/)$//' | \
         while read link; do
             case $link in
@@ -38,7 +36,6 @@ for file in $files; do
                 '')   continue ;;
                 *)    url=$link ;;
             esac
-            #echo "--- $url"    # debug
             wget $settings "$url" || echo "$file: '$link'"
         done
 done