- reenabled dev instructions

- fixed Archive::BagIt installation, only use CPAN!

README.md

@@ -32,23 +32,56 @@ NOTE: The use of option `copy` is strongly recommended. The remaining options mo
 
 ###Windows 10
 1. Check UTF-8 flag at [ENG] `Systemadministration/TimeAndRegion/Region/Administration/AreaPattern` or [DE] `Systemsteuerung/Zeit und Region/Region/Verwaltung/Gebietsschema ändern/`, for using such characters as `äöüÄÖÜß`. Computer will be restarted!
-2. Download strawberry perl environment [strawberry-perl-5.30.3.1-64bit-portable](https://strawberryperl.com/releases.html)
+2. Download strawberry perl environment [strawberry-perl-5.32.1.1-64bit-portable](https://strawberryperl.com/releases.html)
 3. Extract files from archive
-4. Download [Archive::BagIt](https://metacpan.org/pod/Archive::BagIt) library (Example: Archive-BagIt-0.074.tar.gz)
-5. Start strawberry perl console `portableshell.bat`
-   1. Unpack archive `tar zxf Archive-BagIt-0.074.tar.gz` (alternative: 7-zip, if tar is not available)
-   2. Change dir `cd Archive-BagIt-0.074`
-   3. Generate Makefile `perl Makefile.pl`
-   4. Run `gmake`, than `gmake install`
-   5. Check if module installed `cpanm Archive::BagIt`. At this point Archive::BagIt module installed.
-   6. Change dir back `cd ..`
-6. Install additional libraries:  
-   `cpanm MARC::Record XML::XPath DateTime::Format::ISO8601 Win32::Console::ANSI`
-7. Download the latest [Release](https://git.slub-dresden.de/digital-preservation/SLUB_SIP_Builder/-/releases):  
+4. Start strawberry perl console `portableshell.bat`
+5Install additional libraries:  
+   `cpanm MARC::Record XML::XPath DateTime::Format::ISO8601 Win32::Console::ANSI Archive::BagIt`
+6.Download the latest [Release](https://git.slub-dresden.de/digital-preservation/SLUB_SIP_Builder/-/releases):  
    → ZIP file like `SLUB_SIP_Builder.version-XYZ-master.zip`
-8. Extract the ZIP archive and change into the project directory:  
+7.Extract the ZIP archive and change into the project directory:  
    `cd SLUB_SIP_Builder`
-9. Run SLUB SIP Builder:  
+8.Run SLUB SIP Builder:  
+   → Try an example command from below  
+   `perl bin\slubsipbuilderbagit.pl`...
+
+## Development
+This guide will help you run (unreleased) development versions provided in this repository.  
+Please note, only release builds are supported and will have version or release date information.
+
+###Debian 11
+1. Update system packages (optional but recommended):  
+   `sudo apt update && sudo apt upgrade -y`
+2. Install required tools and libraries:  
+   `sudo apt install -y build-essential git perl libperl-dev liblwp-protocol-https-perl libfile-copy-recursive-perl libmarc-record-perl libxml-libxml-perl libxml-xpath-perl libdatetime-format-iso8601-perl cpanminus`  
+   `sudo cpanm Archive::BagIt`
+3. Clone SLUB SIP Builder repository:  
+   `git clone https://git.slub-dresden.de/digital-preservation/SLUB_SIP_Builder.git`  
+   `cd SLUB_SIP_Builder`  
+   → Hint: For simple updates at a later date, just use `git pull` in directory `SLUB_SIP_Builder` to get the latest version.
+4. Checkout the desired branch/tag/commit:  
+   → for example most current master  
+   `git checkout master`
+4. Run unit tests (optional):  
+   `perl t/slubsipbuilderbagit.t`
+5. Run SLUB SIP Builder:  
+   → Try an example command from below  
+   `perl bin/slubsipbuilderbagit.pl`...
+
+### Windows 10
+1. Check UTF-8 flag at [ENG] `Systemadministration/TimeAndRegion/Region/Administration/AreaPattern` or [DE] `Systemsteuerung/Zeit und Region/Region/Verwaltung/Gebietsschema ändern/`, for using such characters as `äöüÄÖÜß`. Computer will be restarted!  
+2. Download strawberry perl environment [strawberry-perl-5.32.1.1-64bit-portable](https://strawberryperl.com/releases.html)
+3. Extract files from archive
+4. Start strawberry perl console `portableshell.bat`
+5 . Install additional libraries:  
+   `cpanm MARC::Record XML::XPath DateTime::Format::ISO8601 Win32::Console::ANSI Archive::BagIt`
+6.Clone SLUB SIP Builder repository:  
+   `git clone https://git.slub-dresden.de/digital-preservation/SLUB_SIP_Builder.git`  
+   `cd SLUB_SIP_Builder`  
+   → Hint: For simple updates at a later date, just use `git pull` in directory `SLUB_SIP_Builder` to get the latest version.
+7.Run unit tests (optional):  
+   `perl t\slubsipbuilderbagit.t`
+8.Run SLUB SIP Builder:  
    → Try an example command from below  
    `perl bin\slubsipbuilderbagit.pl`...