[jhbuild] [terminal] ask for confirmation before wiping sources (GNOME bug 585996)

[Frederic Peters <fpeters src gnome org>]

commit 32eb3f901862aeb48a1661f901d8d57fc875d670
Author: Frédéric Péters <fpeters 0d be>
Date:   Sun Jul 19 16:22:20 2009 +0200

    [terminal] ask for confirmation before wiping sources (GNOME bug 585996)

 jhbuild/frontends/terminal.py |   15 ++++++++++++++-
 jhbuild/modtypes/__init__.py  |    1 +
 2 files changed, 15 insertions(+), 1 deletions(-)
---
diff --git a/jhbuild/frontends/terminal.py b/jhbuild/frontends/terminal.py
index 07fa57f..abf293f 100644
--- a/jhbuild/frontends/terminal.py
+++ b/jhbuild/frontends/terminal.py
@@ -316,9 +316,22 @@ class TerminalBuildScript(buildscript.BuildScript):
             else:
                 try:
                     val = int(val)
-                    return altphases[val - nb_options]
+                    selected_phase = altphases[val - nb_options]
                 except:
                     uprint(_('invalid choice'))
+                    continue
+                try:
+                    needs_confirmation = getattr(
+                            getattr(module, 'do_' + selected_phase), 'needs_confirmation')
+                except AttributeError:
+                    needs_confirmation = False
+                if needs_confirmation:
+                    val = raw_input(uencode(_('Type "yes" to confirm the action: ')))
+                    val = val.strip()
+                    if val.lower() in ('yes', _('Yes')):
+                        return selected_phase
+                    continue
+                return selected_phase
         assert False, 'not reached'
 
 BUILD_SCRIPT = TerminalBuildScript
diff --git a/jhbuild/modtypes/__init__.py b/jhbuild/modtypes/__init__.py
index 2f5761b..69dcb17 100644
--- a/jhbuild/modtypes/__init__.py
+++ b/jhbuild/modtypes/__init__.py
@@ -266,6 +266,7 @@ class DownloadableModule():
         self.branch.force_checkout(buildscript)
     do_force_checkout.error_phases = [PHASE_FORCE_CHECKOUT]
     do_force_checkout.label = N_('wipe directory and start over')
+    do_force_checkout.needs_confirmation = True
 
 
 class MetaModule(Package):