ability to specify command when hitting enter (#1223)

* ability to specify command when hitting enter

* documentation

* man page

* generate man page and html

* run default command through same logic as other commands

impetuous: persist return val for display in promt if non-zero

also future-proofs for other benefits / DRYness. no need for another eval invocation.

* fix generated manpage

Commands.md

@@ -392,13 +392,20 @@ Type `exit`, `quit`, or `q` to end the repl session.
 Any arguments to git repl will be taken as the first command to execute in
 the repl.
 
+You can specify a default command to run when hitting enter:
+
+```bash
+git config --global git-extras.repl.on-enter-command "git status -sb"
+```
+
 You can configure which character is used at the end of the prompt: (default `>`):
 
 ```bash
 git config --global git-extras.repl.prompt-character "±"
 ```
 
-You can specify the prefix for the prompt (default `git`):
+You can specify the prefix for the prompt, or remove it (default `git`):
+
 ```bash
 git config --global git-extras.repl.prefix ""
 ```

bin/git-repl

@@ -52,7 +52,14 @@ while true; do
   # Built-in commands
   case $cmd in
     ls) cmd=ls-files;;
-    "") continue;;
+    "")
+      on_enter_cmd=$(git config --get --default '' git-extras.repl.on-enter-command)
+      if test -n "$on_enter_cmd"; then
+        cmd="$on_enter_cmd"
+      else
+        continue
+      fi
+      ;;
     quit|exit|q) break;;
   esac
 

man/git-repl.1

@@ -32,6 +32,10 @@ exit|quit|q
 .P
 Ends the repl session\.
 .SH "CONFIGURATION"
+You can specify a default command to run when hitting enter:
+.P
+\fBgit config \-\-global git\-extras\.repl\.on\-enter\-command "git status \-sb"\fR
+.P
 You can configure which character is used at the end of the prompt (default \fB>\fR):
 .P
 \fBgit config \-\-global git\-extras\.repl\.prompt\-character "±"\fR

man/git-repl.html

@@ -115,6 +115,10 @@
 
 <h2 id="CONFIGURATION">CONFIGURATION</h2>
 
+<p>You can specify a default command to run when hitting enter:</p>
+
+<p><code>git config --global git-extras.repl.on-enter-command "git status -sb"</code></p>
+
 <p>You can configure which character is used at the end of the prompt
   (default <code>&gt;</code>):</p>
 

man/git-repl.md

@@ -40,6 +40,10 @@ git-repl(1) -- git read-eval-print-loop
 
 ## CONFIGURATION
 
+  You can specify a default command to run when hitting enter:
+
+  `git config --global git-extras.repl.on-enter-command "git status -sb"`
+
   You can configure which character is used at the end of the prompt
   (default `>`):