From 4ff07717b0e4435f1f15fd5fcb762301be8822d0 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 9 Jan 2012 20:32:00 +0000
Subject: [PATCH] wip maint scripts

---
 debian/xfonts-traditional.config    | 32 +++-----------------------------
 debian/xfonts-traditional.postinst  | 35 ++++++++++++++++++++++++++++++++---
 debian/xfonts-traditional.postrm    | 10 ++++++++++
 debian/xfonts-traditional.prerm     | 10 +++++++++-
 debian/xfonts-traditional.templates |  7 +++++--
 5 files changed, 59 insertions(+), 35 deletions(-)
 create mode 100644 debian/xfonts-traditional.postrm

diff --git a/debian/xfonts-traditional.config b/debian/xfonts-traditional.config
index 86c93bf..fe81215 100644
--- a/debian/xfonts-traditional.config
+++ b/debian/xfonts-traditional.config
@@ -1,32 +1,6 @@
 #!/bin/sh
 set -e
-
 . /usr/share/debconf/confmodule
-
-check_aliasfile () {
-	aliasfile=/etc/X11/fonts/misc/xfonts-base.alias
-	if ! test -f $aliasfile; then return; fi
-	if test -e $aliasfile.not-trad; then return; fi
-
-	perl -pe '
- s/^(fixed\s+)\-misc\-(fixed-medium-r-semicondensed)/$1-trad-$2$/
-		' <$aliasfile >$aliasfile.trad
-	if cmp -s $aliasfile $aliasfile.trad; then
-		rm $aliasfile.trad
-		return
-	fi
-	db_get xfonts-traditional/remap-fixed
-	if [ $RET != true ]; then return; fi
-
-	ln $aliasfile $aliasfile.not-trad
-	mv -f $aliasfile.trad $aliasfile
-}
-
-db_get xfonts-traditional/generate
-if [ "$RET" = true ]; then
-
-	update-xfonts-traditional --update
-
-	check_aliasfile
-
-fi
+db_input low xfonts-traditional/generate || true
+db_input high xfonts-traditional/remap-fixed || true
+db_go || true
diff --git a/debian/xfonts-traditional.postinst b/debian/xfonts-traditional.postinst
index fe81215..6e05d67 100644
--- a/debian/xfonts-traditional.postinst
+++ b/debian/xfonts-traditional.postinst
@@ -1,6 +1,35 @@
 #!/bin/sh
 set -e
+
 . /usr/share/debconf/confmodule
-db_input low xfonts-traditional/generate || true
-db_input high xfonts-traditional/remap-fixed || true
-db_go || true
+
+check_aliasfile () {
+	aliasfile=/etc/X11/fonts/misc/xfonts-base.alias
+	if ! test -f $aliasfile; then return; fi
+	if test -e $aliasfile.not-trad; then return; fi
+
+	perl -pe '
+ s/^(fixed\s+)\-misc\-(fixed-medium-r-semicondensed)/$1-trad-$2$/
+		' <$aliasfile >$aliasfile.trad
+	if cmp -s $aliasfile $aliasfile.trad; then
+		rm $aliasfile.trad
+		return
+	fi
+	db_get xfonts-traditional/remap-fixed
+	if [ $RET != true ]; then return; fi
+
+	ln $aliasfile $aliasfile.not-trad
+	mv -f $aliasfile.trad $aliasfile
+
+	db_put xfonts-traditional/remap-fixed false
+	# only ever do this once
+}
+
+db_get xfonts-traditional/generate
+if [ "$RET" = true ]; then
+
+	update-xfonts-traditional --update
+
+	check_aliasfile
+
+fi
diff --git a/debian/xfonts-traditional.postrm b/debian/xfonts-traditional.postrm
new file mode 100644
index 0000000..e6d6bed
--- /dev/null
+++ b/debian/xfonts-traditional.postrm
@@ -0,0 +1,10 @@
+#!/bin/sh
+set -e
+. /usr/share/debconf/confmodule
+case "$1" in
+purge)
+	db_purge || true
+	aliasfile=/etc/X11/fonts/misc/xfonts-base.alias
+	rm -f $aliasfile.trad
+	;;
+esac
diff --git a/debian/xfonts-traditional.prerm b/debian/xfonts-traditional.prerm
index 4dc7f2c..a2786a6 100644
--- a/debian/xfonts-traditional.prerm
+++ b/debian/xfonts-traditional.prerm
@@ -11,12 +11,20 @@ remove)
 
 	if grep '^fixed[	 ][	 ]*-trad-'; then
 		cat >&2 <<END
+Removing xfonts-traditional would probably your X server by removing "fixed".
+
 You should not remove xfonts-traditional while "fixed" refers to one
 of its fonts.  You probably want to check the differences between
 /etc/X11/fonts/misc/xfonts-base.alias and xfonts-base.alias.not-trad,
 and probably replace the former with the latter, and retry the removal.
+
 END
-		exit 1
+		printf 'Continue anyway ? [n/y] '
+		read x
+		case "$x" in
+		y*|Y*)	;;
+		*)	exit 1 ;;
+		esac
 	fi
 
 	;;
diff --git a/debian/xfonts-traditional.templates b/debian/xfonts-traditional.templates
index 9ba84de..046f926 100644
--- a/debian/xfonts-traditional.templates
+++ b/debian/xfonts-traditional.templates
@@ -19,8 +19,11 @@ Description: Configure system to use traditional "fixed"?
  If you say "yes", I will edit /etc/X11/fonts/misc/xfonts-base.alias
  for you, and save your old file as xfonts-base.alias.not-trad.  (Note
  that this is a conffile so you may get prompts from dpkg about it in
- the future.)  If you say no I will generate xfonts-base-alias.trad
- for you to do what you like with.
+ the future.)  This will also make the xfonts-traditional package
+ harder to safely remove.  
+ .
+ If you say no I will generate xfonts-base-alias.trad for you to do
+ what you like with.
  .
  To revert this change, simply change the alias fixed back from
  "-trad-..."  to "-misc-...", or rename the old file back into place,
-- 
2.11.0