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Re: gnulib-tool: new options --add-import, --remove-import


From: Bruno Haible
Subject: Re: gnulib-tool: new options --add-import, --remove-import
Date: Sun, 5 Sep 2010 11:30:10 +0200
User-agent: KMail/1.9.9

> 2010-09-04  Bruno Haible  <address@hidden>
> 
>       gnulib-tool: Help migration from --import to --add-import or --update.
>       * gnulib-tool: Emit a verbose error message when --import is used
>       without any module name.

And another migration aid: print the changed options in bold font in the --help
output.


2010-09-05  Bruno Haible  <address@hidden>

        gnulib-tool: Highlight the changed options.
        * gnulib-tool (func_usage): Display the --import, --add-import,
        --remove-import explanations in bold font.

--- gnulib-tool.orig    Sun Sep  5 11:28:16 2010
+++ gnulib-tool Sun Sep  5 11:28:11 2010
@@ -123,12 +123,24 @@
 # outputs to stdout the --help usage message.
 func_usage ()
 {
+  # This use of bold display can be removed on 2011-01-01.
+  if case "$TERM" in
+       xterm*) test -t 1;;
+       *) false;;
+     esac; then
+    # Assume xterm compatible escape sequences.
+    bold_on=`printf '\x1b[1m'`
+    bold_off=`printf '\x1b[0m'`
+  else
+    bold_on=
+    bold_off=
+  fi
   echo "\
 Usage: gnulib-tool --list
-       gnulib-tool --find filename
+       gnulib-tool --find filename${bold_on}
        gnulib-tool --import [module1 ... moduleN]
        gnulib-tool --add-import [module1 ... moduleN]
-       gnulib-tool --remove-import [module1 ... moduleN]
+       gnulib-tool --remove-import [module1 ... moduleN]${bold_off}
        gnulib-tool --update
        gnulib-tool --create-testdir --dir=directory [module1 ... moduleN]
        gnulib-tool --create-megatestdir --dir=directory [module1 ... moduleN]
@@ -152,14 +164,14 @@
 
 Operation modes:
       --list                print the available module names
-      --find                find the modules which contain the specified file
+      --find                find the modules which contain the specified 
file${bold_on}
       --import              import the given modules into the current package
       --add-import          augment the list of imports from gnulib into the
                             current package, by adding the given modules;
                             if no modules are specified, update the current
                             package from the current gnulib
       --remove-import       reduce the list of imports from gnulib into the
-                            current package, by removing the given modules
+                            current package, by removing the given 
modules${bold_off}
       --update              update the current package, restore files omitted
                             from version control
       --create-testdir      create a scratch package with the given modules



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