Uninit on purge, guarded by a debconf prompt. Closes: #527218

21 files changed, 297 insertions, 21 deletions

diff --git a/debian/changelog b/debian/changelog
index 73a315a..03cf25b 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,7 @@
 etckeeper (0.35) UNRELEASED; urgency=low
 
   * Make etckeeper uninit -f disable the prompt.
+  * Uninit on purge, guarded by a debconf prompt. Closes: #527218
 
  -- Joey Hess <joeyh@debian.org>  Wed, 06 May 2009 14:04:56 -0400
 
diff --git a/debian/control b/debian/control
index 57d50a7..3c06d14 100644
--- a/debian/control
+++ b/debian/control
@@ -3,7 +3,7 @@ Section: admin
 Priority: optional
 Build-Depends: debhelper (>= 7), dpkg-dev (>= 1.9.0), bzr (>= 1.4~), python-central
 Maintainer: Joey Hess <joeyh@debian.org>
-Standards-Version: 3.8.0
+Standards-Version: 3.8.1
 XS-Python-Version: all
 Vcs-Git: git://git.kitenet.net/etckeeper
 Homepage: http://kitenet.net/~joey/code/etckeeper/
diff --git a/debian/po/cs.po b/debian/po/cs.po
index 6982576..26af935 100644
--- a/debian/po/cs.po
+++ b/debian/po/cs.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: etckeeper\n"
 "Report-Msgid-Bugs-To: etckeeper@packages.debian.org\n"
-"POT-Creation-Date: 2008-03-14 01:55-0400\n"
+"POT-Creation-Date: 2009-05-06 14:41-0400\n"
 "PO-Revision-Date: 2007-12-24 13:10+0100\n"
 "Last-Translator: Miroslav Kure <kurem@debian.cz>\n"
 "Language-Team: Czech <debian-l10n-czech@lists.debian.org>\n"
@@ -36,6 +36,21 @@ msgid ""
 msgstr ""
 "Před pokračováním byste měli ručně vyřešit problémy s nezapsanými změnami."
 
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid "Remove etckeeper ${VCS} repository and associated files?"
+msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid ""
+"Etckeeper is being purged from the system, and was used to store /etc in a "
+"${VCS} repository. If you choose to remove the repository, this will DESTROY "
+"all history etckeeper has recorded for /etc."
+msgstr ""
+
 #~ msgid "Commit changed files in /etc to ${VCS}?"
 #~ msgstr "Zapsat změněné soubory v /etc do ${VCS}?"
 
diff --git a/debian/po/de.po b/debian/po/de.po
index 170630f..a2133c4 100644
--- a/debian/po/de.po
+++ b/debian/po/de.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: etckeeper 0.10\n"
 "Report-Msgid-Bugs-To: etckeeper@packages.debian.org\n"
-"POT-Creation-Date: 2008-03-14 01:55-0400\n"
+"POT-Creation-Date: 2009-05-06 14:41-0400\n"
 "PO-Revision-Date: 2008-01-29 21:41+0100\n"
 "Last-Translator: Helge Kreutzmann <debian@helgefjell.de>\n"
 "Language-Team: de <debian-l10n-german@lists.debian.org>\n"
@@ -37,6 +37,21 @@ msgstr ""
 "Sie k�nnen das Problem mit den nicht-�bergebenen �nderungen manuell beheben, "
 "bevor Sie fortfahren."
 
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid "Remove etckeeper ${VCS} repository and associated files?"
+msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid ""
+"Etckeeper is being purged from the system, and was used to store /etc in a "
+"${VCS} repository. If you choose to remove the repository, this will DESTROY "
+"all history etckeeper has recorded for /etc."
+msgstr ""
+
 #~ msgid "Commit changed files in /etc to ${VCS}?"
 #~ msgstr "Ge�nderte Dateien in /etc an ${VCS} �bergeben?"
 
diff --git a/debian/po/eu.po b/debian/po/eu.po
index 8cdae6c..9f5ceba 100644
--- a/debian/po/eu.po
+++ b/debian/po/eu.po
@@ -9,7 +9,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: etckeeper-eu\n"
 "Report-Msgid-Bugs-To: etckeeper@packages.debian.org\n"
-"POT-Creation-Date: 2008-03-14 01:55-0400\n"
+"POT-Creation-Date: 2009-05-06 14:41-0400\n"
 "PO-Revision-Date: 2007-12-17 12:47+0100\n"
 "Last-Translator: Aitor Ibañez <aitiba@gmail.com>\n"
 "Language-Team: Euskara <Librezale@librezale.org>\n"
@@ -40,6 +40,21 @@ msgstr ""
 "Aurrera jarraitu baino lehen, eskuz erresolbitu beharko ditu onartu gabeko "
 "aldaketak."
 
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid "Remove etckeeper ${VCS} repository and associated files?"
+msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid ""
+"Etckeeper is being purged from the system, and was used to store /etc in a "
+"${VCS} repository. If you choose to remove the repository, this will DESTROY "
+"all history etckeeper has recorded for /etc."
+msgstr ""
+
 #~ msgid "Commit changed files in /etc to ${VCS}?"
 #~ msgstr "Aldaturiko fitxategiak ${VCS}-en onartu?"
 
diff --git a/debian/po/fi.po b/debian/po/fi.po
index c6fbcde..51204bc 100644
--- a/debian/po/fi.po
+++ b/debian/po/fi.po
@@ -2,7 +2,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: etckeeper 0.3\n"
 "Report-Msgid-Bugs-To: etckeeper@packages.debian.org\n"
-"POT-Creation-Date: 2008-03-14 01:55-0400\n"
+"POT-Creation-Date: 2009-05-06 14:41-0400\n"
 "PO-Revision-Date: 2007-12-12 19:54+0200\n"
 "Last-Translator: Esko Arajärvi <edu@iki.fi>\n"
 "Language-Team: Finnish <debian-l10n-finnish@lists.debian.org>\n"
@@ -33,6 +33,21 @@ msgid ""
 msgstr ""
 "Voit selvittää tallettamattomien muutosten ongelmat käsin ennen jatkamista."
 
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid "Remove etckeeper ${VCS} repository and associated files?"
+msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid ""
+"Etckeeper is being purged from the system, and was used to store /etc in a "
+"${VCS} repository. If you choose to remove the repository, this will DESTROY "
+"all history etckeeper has recorded for /etc."
+msgstr ""
+
 #~ msgid "Commit changed files in /etc to ${VCS}?"
 #~ msgstr "Talletetaanko hakemiston /etc muutetut tiedostot ${VCS}in?"
 
diff --git a/debian/po/fr.po b/debian/po/fr.po
index e8e0ec1..973e5ee 100644
--- a/debian/po/fr.po
+++ b/debian/po/fr.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: etckeeper\n"
 "Report-Msgid-Bugs-To: etckeeper@packages.debian.org\n"
-"POT-Creation-Date: 2008-03-14 01:55-0400\n"
+"POT-Creation-Date: 2009-05-06 14:41-0400\n"
 "PO-Revision-Date: 2007-12-12 08:28+0100\n"
 "Last-Translator: Jean-Baka Domelevo Entfellner <domelevo@gmail.com>\n"
 "Language-Team: French <debian-l10n-french@lists.debian.org>\n"
@@ -41,6 +41,21 @@ msgstr ""
 "Avant de poursuivre, vous devriez résoudre vous-même les problèmes liés aux "
 "changements non sauvegardés."
 
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid "Remove etckeeper ${VCS} repository and associated files?"
+msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid ""
+"Etckeeper is being purged from the system, and was used to store /etc in a "
+"${VCS} repository. If you choose to remove the repository, this will DESTROY "
+"all history etckeeper has recorded for /etc."
+msgstr ""
+
 #~ msgid "Commit changed files in /etc to ${VCS}?"
 #~ msgstr ""
 #~ "Faut-il enregistrer dans ${VCS} les modifications de fichiers faites "
diff --git a/debian/po/gl.po b/debian/po/gl.po
index fe33fcb..937ccca 100644
--- a/debian/po/gl.po
+++ b/debian/po/gl.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: etckeeper\n"
 "Report-Msgid-Bugs-To: etckeeper@packages.debian.org\n"
-"POT-Creation-Date: 2008-03-14 01:55-0400\n"
+"POT-Creation-Date: 2009-05-06 14:41-0400\n"
 "PO-Revision-Date: 2007-12-11 20:52+0000\n"
 "Last-Translator: Jacobo Tarrio <jtarrio@debian.org>\n"
 "Language-Team: Galician <proxecto@trasno.net>\n"
@@ -34,6 +34,21 @@ msgid ""
 "continuing."
 msgstr "configurar apt para que instale paquetes adicionais do CD.<"
 
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid "Remove etckeeper ${VCS} repository and associated files?"
+msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid ""
+"Etckeeper is being purged from the system, and was used to store /etc in a "
+"${VCS} repository. If you choose to remove the repository, this will DESTROY "
+"all history etckeeper has recorded for /etc."
+msgstr ""
+
 #~ msgid "Commit changed files in /etc to ${VCS}?"
 #~ msgstr "¿Gardar en ${VCS} os ficheiros modificados de /etc?"
 
diff --git a/debian/po/it.po b/debian/po/it.po
index 80a4b3f..6307bc4 100644
--- a/debian/po/it.po
+++ b/debian/po/it.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: etckeeper 0.3 debconf templates\n"
 "Report-Msgid-Bugs-To: etckeeper@packages.debian.org\n"
-"POT-Creation-Date: 2008-03-14 01:55-0400\n"
+"POT-Creation-Date: 2009-05-06 14:41-0400\n"
 "PO-Revision-Date: 2007-12-14 20:32+0100\n"
 "Last-Translator: Luca Monducci <luca.mo@tiscali.it>\n"
 "Language-Team: Italian <debian-l10n-italian@lists.debian.org>\n"
@@ -37,6 +37,21 @@ msgstr ""
 "Potrebbe essere necessario risolvere i problemi con le modifiche delle quali "
 "non è stato fatto il commit prima di continuare."
 
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid "Remove etckeeper ${VCS} repository and associated files?"
+msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid ""
+"Etckeeper is being purged from the system, and was used to store /etc in a "
+"${VCS} repository. If you choose to remove the repository, this will DESTROY "
+"all history etckeeper has recorded for /etc."
+msgstr ""
+
 #~ msgid "Commit changed files in /etc to ${VCS}?"
 #~ msgstr "Commit dei file modificati in /etc a ${VCS}?"
 
diff --git a/debian/po/ja.po b/debian/po/ja.po
index 42abf0d..1eb8c5b 100644
--- a/debian/po/ja.po
+++ b/debian/po/ja.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: etckeeper 0.23\n"
 "Report-Msgid-Bugs-To: etckeeper@packages.debian.org\n"
-"POT-Creation-Date: 2008-03-14 01:55-0400\n"
+"POT-Creation-Date: 2009-05-06 14:41-0400\n"
 "PO-Revision-Date: 2008-12-28 22:26+0900\n"
 "Last-Translator: Hideki Yamane (Debian-JP) <henrich@debian.or.jp>\n"
 "Language-Team: Japanese <debian-japanese@lists.debian.org>\n"
@@ -36,3 +36,17 @@ msgstr ""
 "続ける前に、この問題とコミットされていない変更について、手動で解決する必要が"
 "あるでしょう。"
 
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid "Remove etckeeper ${VCS} repository and associated files?"
+msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid ""
+"Etckeeper is being purged from the system, and was used to store /etc in a "
+"${VCS} repository. If you choose to remove the repository, this will DESTROY "
+"all history etckeeper has recorded for /etc."
+msgstr ""
diff --git a/debian/po/nl.po b/debian/po/nl.po
index a4dd509..75115fe 100644
--- a/debian/po/nl.po
+++ b/debian/po/nl.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: etckeeper\n"
 "Report-Msgid-Bugs-To: etckeeper@packages.debian.org\n"
-"POT-Creation-Date: 2008-03-14 01:55-0400\n"
+"POT-Creation-Date: 2009-05-06 14:41-0400\n"
 "PO-Revision-Date: 2008-01-01 21:21+0100\n"
 "Last-Translator: Bart Cornelis <cobaco@skolelinux.no>\n"
 "Language-Team: debian-l10n-dutch <debian-l10n-dutch@lists.debian.org>\n"
@@ -39,6 +39,21 @@ msgstr ""
 "U kunt de problemen met de niet-vastgelegde aanpassingen handmatig oplossen "
 "alvorens verder te gaan."
 
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid "Remove etckeeper ${VCS} repository and associated files?"
+msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid ""
+"Etckeeper is being purged from the system, and was used to store /etc in a "
+"${VCS} repository. If you choose to remove the repository, this will DESTROY "
+"all history etckeeper has recorded for /etc."
+msgstr ""
+
 #~ msgid "Commit changed files in /etc to ${VCS}?"
 #~ msgstr "Wilt u aangepaste bestanden uit de map '/etc' vastleggen in ${VCS}?"
 
diff --git a/debian/po/pt.po b/debian/po/pt.po
index de1feeb..4a78a07 100644
--- a/debian/po/pt.po
+++ b/debian/po/pt.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: etckeeper 0.3\n"
 "Report-Msgid-Bugs-To: etckeeper@packages.debian.org\n"
-"POT-Creation-Date: 2008-03-14 01:55-0400\n"
+"POT-Creation-Date: 2009-05-06 14:41-0400\n"
 "PO-Revision-Date: 2007-12-11 20:01+0000\n"
 "Last-Translator: Américo Monteiro <a_monteiro@netcabo.pt>\n"
 "Language-Team: Portuguese <traduz@debianpt.org>\n"
@@ -38,6 +38,21 @@ msgstr ""
 "Você pode resolver manualmente as situações com as alterações não submetidas "
 "antes de continuar. "
 
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid "Remove etckeeper ${VCS} repository and associated files?"
+msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid ""
+"Etckeeper is being purged from the system, and was used to store /etc in a "
+"${VCS} repository. If you choose to remove the repository, this will DESTROY "
+"all history etckeeper has recorded for /etc."
+msgstr ""
+
 #~ msgid "Commit changed files in /etc to ${VCS}?"
 #~ msgstr "Submeter ficheiros alterados em /etc para o ${VCS}?"
 
diff --git a/debian/po/ru.po b/debian/po/ru.po
index 5776848..5863afd 100644
--- a/debian/po/ru.po
+++ b/debian/po/ru.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: 0.3\n"
 "Report-Msgid-Bugs-To: etckeeper@packages.debian.org\n"
-"POT-Creation-Date: 2008-03-14 01:55-0400\n"
+"POT-Creation-Date: 2009-05-06 14:41-0400\n"
 "PO-Revision-Date: 2007-12-12 21:23+0300\n"
 "Last-Translator: Yuri Kozlov <kozlov.y@gmail.com>\n"
 "Language-Team: Russian <debian-l10n-russian@lists.debian.org>\n"
@@ -40,6 +40,21 @@ msgstr ""
 "Перед тем как продолжить вы можете исправить это вручную через "
 "незафиксированные изменения."
 
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid "Remove etckeeper ${VCS} repository and associated files?"
+msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid ""
+"Etckeeper is being purged from the system, and was used to store /etc in a "
+"${VCS} repository. If you choose to remove the repository, this will DESTROY "
+"all history etckeeper has recorded for /etc."
+msgstr ""
+
 #~ msgid "Commit changed files in /etc to ${VCS}?"
 #~ msgstr "Зафиксировать изменённые файлы /etc в ${VCS}?"
 
diff --git a/debian/po/sv.po b/debian/po/sv.po
index e1f5025..a913ac0 100644
--- a/debian/po/sv.po
+++ b/debian/po/sv.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: etckeeper_0.20_sv\n"
 "Report-Msgid-Bugs-To: etckeeper@packages.debian.org\n"
-"POT-Creation-Date: 2008-03-14 01:55-0400\n"
+"POT-Creation-Date: 2009-05-06 14:41-0400\n"
 "PO-Revision-Date: 2008-07-17 17:25+0200\n"
 "Last-Translator: Martin Ågren <martin.agren@gmail.com>\n"
 "Language-Team: Swedish <debian-l10n-swedish@lists.debian.org>\n"
@@ -37,6 +37,20 @@ msgid ""
 "You may manually resolve the issues with the uncommitted changes before "
 "continuing."
 msgstr ""
-"Du kan lösa problemen med de overkställda ändringarna manuellt innan "
-"du fortsätter."
+"Du kan lösa problemen med de overkställda ändringarna manuellt innan du "
+"fortsätter."
 
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid "Remove etckeeper ${VCS} repository and associated files?"
+msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid ""
+"Etckeeper is being purged from the system, and was used to store /etc in a "
+"${VCS} repository. If you choose to remove the repository, this will DESTROY "
+"all history etckeeper has recorded for /etc."
+msgstr ""
diff --git a/debian/po/templates.pot b/debian/po/templates.pot
index e5472e3..93e0fdd 100644
--- a/debian/po/templates.pot
+++ b/debian/po/templates.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: etckeeper@packages.debian.org\n"
-"POT-Creation-Date: 2008-03-14 01:55-0400\n"
+"POT-Creation-Date: 2009-05-06 14:41-0400\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -35,3 +35,18 @@ msgid ""
 "You may manually resolve the issues with the uncommitted changes before "
 "continuing."
 msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid "Remove etckeeper ${VCS} repository and associated files?"
+msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid ""
+"Etckeeper is being purged from the system, and was used to store /etc in a "
+"${VCS} repository. If you choose to remove the repository, this will DESTROY "
+"all history etckeeper has recorded for /etc."
+msgstr ""
diff --git a/debian/po/vi.po b/debian/po/vi.po
index 779a239..5d92440 100644
--- a/debian/po/vi.po
+++ b/debian/po/vi.po
@@ -6,7 +6,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: etckeeper 0.3\n"
 "Report-Msgid-Bugs-To: etckeeper@packages.debian.org\n"
-"POT-Creation-Date: 2008-03-14 01:55-0400\n"
+"POT-Creation-Date: 2009-05-06 14:41-0400\n"
 "PO-Revision-Date: 2007-12-21 22:43+1030\n"
 "Last-Translator: Clytie Siddall <clytie@riverland.net.au>\n"
 "Language-Team: Vietnamese <vi-VN@googlegroups.com>\n"
@@ -40,6 +40,21 @@ msgstr ""
 "Bạn vẫn có thể tự giải quyết các vấn đề về các thay đổi chưa ghi chép, trước "
 "khi tiếp tục."
 
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid "Remove etckeeper ${VCS} repository and associated files?"
+msgstr ""
+
+#. Type: boolean
+#. Description
+#: ../templates:3001
+msgid ""
+"Etckeeper is being purged from the system, and was used to store /etc in a "
+"${VCS} repository. If you choose to remove the repository, this will DESTROY "
+"all history etckeeper has recorded for /etc."
+msgstr ""
+
 #, fuzzy
 #~| msgid "Commit changed files in /etc to git?"
 #~ msgid "Commit changed files in /etc to ${VCS}?"
diff --git a/debian/postrm b/debian/postrm
new file mode 100644
index 0000000..1dc53aa
--- /dev/null
+++ b/debian/postrm
@@ -0,0 +1,31 @@
+#!/bin/sh
+set -e
+
+if [ "$1" = purge ]; then
+	if [ -e /etc/.etckeeper ]; then
+		. /usr/share/debconf/confmodule
+	
+		# uninit on purge is tricky because etckeeper's configuration
+		# and code has been removed at this point. This relies on a
+		# stashed away copy.
+		if [ -e /var/cache/etckeeper/stash/etckeeper.conf ] &&
+		   [ -d /var/cache/etckeeper/stash/uninit.d ] &&
+		   [ -x /var/cache/etckeeper/stash/etckeeper ]; then
+			. /var/cache/etckeeper/stash/etckeeper.conf
+			if [ -n "$VCS" ]; then
+				db_subst etckeeper/purge VCS "$VCS"
+				db_input high etckeeper/purge || true
+				db_go || true
+				db_get etckeeper/purge
+				if [ "$RET" = true ]; then
+					ETCKEEPER_CONF_DIR=/var/cache/etckeeper/stash
+					export ETCKEEPER_CONF_DIR
+					/var/cache/etckeeper/stash/etckeeper uninit -f || true
+				fi
+			fi
+		fi
+	fi
+	rm -rf /var/cache/etckeeper
+fi
+
+#DEBHELPER#
diff --git a/debian/preinst b/debian/preinst
index b4495fe..dfb3aa8 100644
--- a/debian/preinst
+++ b/debian/preinst
@@ -69,4 +69,7 @@ install|upgrade)
 			rm_conffile etckeeper "/etc/etckeeper/commit.d/$c"
 		done
 	fi
+
+	# delete files the postrm stashes away to handle purging
+	rm -rf /var/cache/etckeeper/stash
 esac
diff --git a/debian/prerm b/debian/prerm
new file mode 100644
index 0000000..806053a
--- /dev/null
+++ b/debian/prerm
@@ -0,0 +1,19 @@
+#!/bin/sh
+set -e
+
+#DEBHELPER#
+
+if [ "$1" = remove ]; then
+	# In case etckeeper is being purged, stash away a copy of
+	# the files purging will need.
+	mkdir -p /var/cache/etckeeper/stash
+	if [ -e /etc/etckeeper/etckeeper.conf ]; then
+		cp -a /etc/etckeeper/etckeeper.conf /var/cache/etckeeper/stash
+	fi
+	if [ -d /etc/etckeeper/uninit.d ]; then
+		cp -a /etc/etckeeper/uninit.d /var/cache/etckeeper/stash
+	fi
+	if [ -x /usr/sbin/etckeeper ]; then
+		cp -a /usr/sbin/etckeeper /var/cache/etckeeper/stash
+	fi
+fi
diff --git a/debian/templates b/debian/templates
index 660d594..4638238 100644
--- a/debian/templates
+++ b/debian/templates
@@ -14,3 +14,12 @@ _Description: Commit failed
  .
  You may manually resolve the issues with the uncommitted changes
  before continuing.
+
+Template: etckeeper/purge
+Type: boolean
+Default: false
+_Description: Remove etckeeper ${VCS} repository and associated files?
+ Etckeeper is being purged from the system, and was used to
+ store /etc in a ${VCS} repository. If you choose to remove the
+ repository, this will DESTROY all history etckeeper has recorded
+ for /etc.
diff --git a/etckeeper b/etckeeper
index 7a6933c..1b6c76c 100755
--- a/etckeeper
+++ b/etckeeper
@@ -1,6 +1,11 @@
 #!/bin/sh
 set -e
-conf=/etc/etckeeper/etckeeper.conf
+
+if [ -z "$ETCKEEPER_CONF_DIR" ]; then
+	ETCKEEPER_CONF_DIR=/etc/etckeeper
+fi
+
+conf="$ETCKEEPER_CONF_DIR/etckeeper.conf"
 
 usage() {
 	echo "usage: etckeeper command [-d directory]" >&2
@@ -53,8 +58,8 @@ elif [ "$command" = "pre-apt" ]; then
 	command=pre-install
 fi
 
-if [ ! -d "/etc/etckeeper/$command.d" ]; then
-	echo "etckeeper: /etc/etckeeper/$command.d does not exist" >&2
+if [ ! -d "$ETCKEEPER_CONF_DIR/$command.d" ]; then
+	echo "etckeeper: $ETCKEEPER_CONF_DIR/$command.d does not exist" >&2
 	exit 1
 fi
 
@@ -82,6 +87,6 @@ lsscripts() {
 	' "$1"
 }
 
-for script in $(lsscripts "/etc/etckeeper/$command.d"); do
+for script in $(lsscripts "$ETCKEEPER_CONF_DIR/$command.d"); do
 	"$script" "$@"
 done