[JGIT PATCH 7/9] Include commonly used commands in main help output
From: Shawn O. Pearce <hidden>
Date: 2016-06-15 22:45:02
Subsystem:
the rest · Maintainer:
Linus Torvalds
If the main loop did not get a subcommand during parsing of the command line then we should offer up a list of commonly used commands and their one-line usage summary, to help the user make a decision about which command they should try to execute. Signed-off-by: Shawn O. Pearce <redacted> --- .../src/org/spearce/jgit/pgm/Main.java | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/Main.java b/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/Main.java
index c069989..c8bade8 100644
--- a/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/Main.java
+++ b/org.spearce.jgit.pgm/src/org/spearce/jgit/pgm/Main.java@@ -121,6 +121,24 @@ public class Main { System.err.println(); clp.printUsage(System.err); System.err.println(); + } else if (subcommand == null) { + System.err.println(); + System.err.println("The most commonly used commands are:"); + final CommandRef[] common = CommandCatalog.common(); + int width = 0; + for (final CommandRef c : common) + width = Math.max(width, c.getName().length()); + width += 2; + + for (final CommandRef c : common) { + System.err.print(' '); + System.err.print(c.getName()); + for (int i = c.getName().length(); i < width; i++) + System.err.print(' '); + System.err.print(c.getUsage()); + System.err.println(); + } + System.err.println(); } System.exit(1); }
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1.6.0.rc0.182.gb96c7