Fixed lua version errors

.travis.yml

@@ -1,27 +0,0 @@
-language: python
-sudo: false
-
-env:
-  - LUA="lua=5.1"
-  - LUA="lua=5.2"
-  - LUA="lua=5.3"
-  - LUA="lua=5.4"
-
-before_install:
-  - pip install hererocks
-  - hererocks lua_install -r^ --$LUA
-  - export PATH=$PATH:$PWD/lua_install/bin
-
-install:
-  - luarocks make
-  - luarocks install luacheck
-  - luarocks install busted
-  - luarocks install luacov
-  - luarocks install luacov-coveralls
-
-script:
-  - luacheck --std max+busted src spec
-  - busted --verbose --coverage
-
-after_success:
-  - luacov-coveralls -e $TRAVIS_BUILD_DIR/lua_install

LICENCE

@@ -0,0 +1,21 @@
+MIT License
+​
+Copyright (c) 2020 Shishkov Dmitriy
+​
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -2,9 +2,17 @@
 
 This tool helps to download all images in markdown document and put them into one folder with changed paths
 
-## Usage: 
+**Warning**: lua 5.2 version is required
 
+## Dependency installation:
+
+```bash
+luarocks install luasec
 ```
+
+## Usage:
+
+```bash
 md-parser [-o <output>] [-s <server>] [-c <config>] [-u] [-h]
        <input>
 
@@ -31,4 +39,4 @@ It also has integrated functional to upload this article over ssh. As for MIT li
 
 ```
 lua src/main.lua spec/assets/tmp_dir/some\ file.md -u -s dm1sh@localhost -o /tmp/art
-```
+```

spec/process_md_spec.lua

@@ -59,8 +59,8 @@ describe("process_md", function()
 
             local content = f:read('a')
 
-            local header
-            content, header = ProcessMD.get_header(content, assets_dir .. 'tmp_dir/some file.md', true)
+            local header, _
+            _, header = ProcessMD.get_header(content, assets_dir .. 'tmp_dir/some file.md', true)
             f:close()
 
             assert.equal('Header_:D', header)
@@ -71,7 +71,7 @@ describe("process_md", function()
 
             local content = f:read('a')
 
-            local header
+            local header, _
             _, header = ProcessMD.get_header(content, assets_dir .. 'tmp_dir/and one more.md', true)
             f:close()
 

src/main.lua

@@ -47,7 +47,7 @@ local function upload_to_server(local_article_directory, server_cred, server_pat
         os.exit(1)
     end
 
-    local status, err = pcall(NetwOps.download_db, server_cred, server_path, local_article_directory)
+    status, err = pcall(NetwOps.download_db, server_cred, server_path, local_article_directory)
     if not status then
         print('Error: ' .. err)
         os.exit(1)
@@ -55,7 +55,7 @@ local function upload_to_server(local_article_directory, server_cred, server_pat
 
     NetwOps.insert_article(local_article_directory, document_name)
 
-    local status, err = pcall(NetwOps.upload_db, server_cred, server_path, local_article_directory)
+    status, err = pcall(NetwOps.upload_db, server_cred, server_path, local_article_directory)
     if not status then
         print('Error: ' .. err)
         os.exit(1)

src/process_md.lua

@@ -4,7 +4,7 @@ function process_md.get_file_content(path)
     local f, err = io.open(path, "r+")
     assert(f, err)
 
-    local content = f:read("a")
+    local content = f:read("*a")
 
     f:close()
     return content