Refine gg instructions (#570)

Co-authored-by: Subhramit Basu <subhramit.bb@live.in>
Co-authored-by: ThiloteE <73715071+ThiloteE@users.noreply.github.com>

Author: 3 people

en/.gitbook/assets/pr-13182.png

@@ -2,7 +2,7 @@
 
 We are really happy that you are interested in contributing to JabRef. Please take your time to look around here. We especially invite you to look into our [community members page](https://discourse.jabref.org/t/community-members/1868?u=koppor) where members introduce themselves.
 
-## I would like to try out a feature introduced at pull request.
+## I would like to try out a feature introduced at pull request
 
 In JabRef, there are dozens of bug fixes and new features introduced using GitHub's pull request mechansim.
 You can browse all at <https://github.com/JabRef/jabref/pulls>.
@@ -12,12 +12,11 @@ Improving on changes in active pull requests is much easier than fixing them lat
 If you are familiar with the command line on your OS, then it is very easy to try out pull requests and give feedback.
 In the following, we try to give a minimal set of installation instructions to be able to run a contribution from a fork.
 
-Required tooling:
+### Required tooling
 
-- [GitHubCLI](https://cli.github.com/) - A command-line client for GitHub. You can install it using the installer linked on their [homepage](https://cli.github.com/) or the commands given at the [installation hints](https://github.com/cli/cli#installation).
 - [`gg.cmd`](https://github.com/eirikb/gg) - A cross-platform and cross-architecture version manager. Download [`gg.cmd`](https://github.com/eirikb/gg/releases/latest/download/gg.cmd) and store it in your home (or `Downloads`) directory.
 
-Initial setup:
+### Initial setup
 
 - Windows:
   - Open PowerShell
@@ -27,9 +26,10 @@ Initial setup:
   - Get `gg.cmd`
     - `wget ggcmd.io -OutFile gg.cmd`
   - Clone JabRef
-    - `./gg.cmd jbang https://github.com/JabRef/jabref/blob/main/.jbang/CloneJabRef.java JabRef`
-  - Make `gg.cmd` available in `JabRef` directory
-    - `cd JabRef`
+    - `.\gg.cmd jbang https://github.com/JabRef/jabref/blob/main/.jbang/CloneJabRef.java jabref`
+    - When JBang asks you for trust, you can choose "Trust once" by pressing <kbd>1</kbd> and then <kbd>Enter</kbd>
+  - Make `gg.cmd` available in `jabref` source directory
+    - `cd jabref`
     - `move ..\gg.cmd .`
 - Linux:
   - Open a shell
@@ -40,34 +40,45 @@ Initial setup:
     - `wget ggcmd.io/gg.cmd`
     - Alternative: `curl -L ggcmd.io > gg.cmd`
   - Clone JabRef
-    - `sh ./gg.cmd jbang https://github.com/JabRef/jabref/blob/main/.jbang/CloneJabRef.java JabRef`
-    - NOTE: You can also use the native git client: `git clone --recurse-submodules https://github.com/JabRef/jabref.git JabRef` for achieving the same result.
-  - Make `gg.cmd` available in `JabRef` directory
-    - `cd JabRef`
+    - `sh ./gg.cmd jbang https://github.com/JabRef/jabref/blob/main/.jbang/CloneJabRef.java jabref`
+    - NOTE: You can also use the native git client: `git clone --recurse-submodules https://github.com/JabRef/jabref.git jabref` for achieving the same result.
+  - Make `gg.cmd` available in `jabref` source directory
+    - `cd jabref`
     - `mv ../gg.cmd .`
 
-Now you are all set: You have a directory `JabRef` containing the recent updates and also `gg.cmd` which you will need later for executing a JabRef build.
+Now you are all set: You have a directory `jabref` containing the recent updates and also `gg.cmd` which you will need later for executing a JabRef build.
 
-Try a branch:
+### Try a branch
 
-1. `cd` into the `JabRef` directory: `cd c:\git-repositories\JabRef`
-2. Checkout out the pull request: `gh pr checkout 13111` - where `13111` is the PR number, in this case [pr#13111](https://github.com/JabRef/jabref/pull/13111).
-3. Compile and run JabRef: `gg.cmd gradle run :jabgui:run` (on Linux and macOS, you need to prefix it with `sh`: `gg.cmd gradle run :jabgui:run`). This will also download the necessary JDK and gradle distribution. On the first run, please give the system enough time to accommodate and wait until the JabRef window launches. Depending on your hardware, this may take minutes.
+1. `cd` into the `jabref` source directory: `cd c:\git-repositories\jabref`
+2. Checkout out the pull request: `sh ./gg.cmd jbang https://github.com/JabRef/jabref/blob/main/.jbang/CheckoutPR.java 13182` - where `13182` is the PR number, in this case [pr#13182](https://github.com/JabRef/jabref/pull/13182).
 
-Alternatives:
+   - Instead of the number, you can also copy and paste the branch identifier output by GitHub: `sh ./gg.cmd jbang https://github.com/JabRef/jabref/blob/main/.jbang/CheckoutPR.java Yubo-Cao:walkthrough`.
+     ![pr-13182](../.gitbook/assets/pr-13182.png)
 
-1. You don't want to use `gg.cmd`: You have the project clone ready and have some Java JDK available: In the `JabRef` directory, execute `./gradlew run`.
-2. You don't want to use GitHub's `gh` tool: You can use the "usual" `git clone ...`, `git remote add ...`, `git fetch ...`, and `git checkout ...` commands to checkout a pull request from a fork.
+3. Compile and run JabRef: `sh ./gg.cmd gradle run :jabgui:run`. This will also download the necessary JDK and a gradle distribution. On the first run, please give the system enough time to accommodate and wait until the JabRef window launches. Depending on your hardware, this may take a few minutes.
 
-**I would like to improve the help page.**
+On Windows, instead of `sh ./gg.cmd` use `.\gg.cmd`.
+
+#### Alternatives
+
+1. In case you don't want to use `gg.cmd`: You can install [JBang](https://www.jbang.dev/) for yourself and execute the commands directly.
+2. In case you don't want to use `JBang`:
+
+   - You have the project clone ready and have some Java JDK available: In the `JabRef` directory, execute `./gradlew run`.
+   - Install `gh` (the [GitHub CLI](https://cli.github.com/), a command-line client for GitHub) by using the installer linked on their [homepage](https://cli.github.com/) or the commands given at the [installation hints](https://github.com/cli/cli#installation).
+
+3. In case you don't want to use `gh`: You can use the "usual" `git clone ...`, `git remote add ...`, `git fetch ...`, and `git checkout ...` commands to checkout a pull request from a fork.
+
+## I would like to improve the help page
 
 Please see [How to Improve the Help Page](how-to-improve-the-help-page.md)
 
-**I would like to help translating JabRef to another language.**
+## I would like to help to translate JabRef to another language
 
 We encourage you to read about [translating the JabRef user interface](how-to-translate-the-ui.md).
 
-**I would like to keep Wikipedia pages up-to-date.**
+## I would like to keep Wikipedia pages up-to-date
 
 JabRef improves -- and Wikipedia pages should keep up!
 
@@ -88,16 +99,16 @@ For changes in a specific language, go to the related page, and simply click on
 
 If there is no page for your own language, you can easily create one.
 
-**I have some cool feature requests.**
+## I have some cool feature requests
 
 [Come discuss it!](http://discourse.jabref.org)
 
-**Can I make a donation? How?**
+## Can I make a donation? How?
 
 Donations keep us going! You can use PayPal or bank transfers. Your institution/company can contribute too, through bank transfer for example. All details are provided at [https://donations.jabref.org](https://donations.jabref.org).
 
 Our team consists of volunteers. To provide better support, we are currently trying to get a funded developer on board. Please consider donating money!
 
-**I would like to contribute code. How to?**
+## I would like to contribute code. How to?
 
 Please head to our [Contributing Guide](https://github.com/JabRef/jabref/blob/main/CONTRIBUTING.md#contributing).