summaryrefslogtreecommitdiffstats
path: root/debian/patches/0001-hooks-maybe-merged-usr-prepare-for-the-time-when-usr.patch
blob: ec32f841035fb423cd2ae9f595af3827a6c4d7ec (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
From d883fa13bbb9ac78cc3e16511fc7359314ae256d Mon Sep 17 00:00:00 2001
From: Johannes Schauer Marin Rodrigues <josch@mister-muffin.de>
Date: Mon, 26 Feb 2024 14:52:43 +0100
Subject: [PATCH] hooks/maybe-merged-usr: prepare for the time when
 usr-is-merged exists only as a virtual package

---
 hooks/maybe-merged-usr/essential00.sh |  4 ++++
 hooks/maybe-merged-usr/extract00.sh   | 20 +++++++++++++++-----
 hooks/maybe-merged-usr/setup00.sh     | 20 +++++++++++++++-----
 3 files changed, 34 insertions(+), 10 deletions(-)

diff --git a/hooks/maybe-merged-usr/essential00.sh b/hooks/maybe-merged-usr/essential00.sh
index a23f2f7..656057e 100755
--- a/hooks/maybe-merged-usr/essential00.sh
+++ b/hooks/maybe-merged-usr/essential00.sh
@@ -15,6 +15,10 @@ case "$ver" in
 		echo "usr-is-merged package from src:usrmerge installed -- not running merged-usr essential hook" >&2
 		exit 0
 		;;
+	'not-installed  ')
+		echo "usr-is-merged was not installed in a previous hook -- not running merged-usr essential hook" >&2
+		exit 0
+		;;
 	*)
 		echo "unexpected situation for package usr-is-merged: $ver" >&2
 		exit 1
diff --git a/hooks/maybe-merged-usr/extract00.sh b/hooks/maybe-merged-usr/extract00.sh
index dc88450..00bb037 100755
--- a/hooks/maybe-merged-usr/extract00.sh
+++ b/hooks/maybe-merged-usr/extract00.sh
@@ -4,12 +4,22 @@ set -eu
 
 env --chdir="$1" APT_CONFIG="$MMDEBSTRAP_APT_CONFIG" apt-get update --error-on=any
 
-# if the usr-is-merged package cannot be installed with apt, do nothing
-if ! env --chdir="$1" APT_CONFIG="$MMDEBSTRAP_APT_CONFIG" apt-cache show --no-all-versions usr-is-merged > /dev/null 2>&1; then
-	echo "no package called usr-is-merged found -- not running merged-usr extract hook" >&2
-	exit 0
+if env --chdir="$1" APT_CONFIG="$MMDEBSTRAP_APT_CONFIG" apt-cache show --no-all-versions usr-is-merged > /dev/null 2>&1; then
+	# if apt-cache exited successfully, then usr-is-merged exists either as
+	# a real or virtual package
+	if env --chdir="$1" APT_CONFIG="$MMDEBSTRAP_APT_CONFIG" apt-cache show --no-all-versions usr-is-merged 2>/dev/null | grep -q "Package: usr-is-merged"; then
+		echo "usr-is-merged found -- running merged-usr extract hook" >&2
+	else
+		# The usr-is-merged must be virtual, so assume that nothing
+		# has to be done. This is the case with Debian Trixie or later
+		# or with Ubuntu Lunar or later
+		echo "usr-is-merged found but not real -- not running merged-usr extract hook" >&2
+		exit 0
+	fi
 else
-	echo "package usr-is-merged found -- running merged-usr extract hook" >&2
+	# if the usr-is-merged package cannot be installed with apt, do nothing
+	echo "no package providing usr-is-merged found -- not running merged-usr extract hook" >&2
+	exit 0
 fi
 
 # resolve the script path using several methods in order:
diff --git a/hooks/maybe-merged-usr/setup00.sh b/hooks/maybe-merged-usr/setup00.sh
index a6bd712..6568af2 100755
--- a/hooks/maybe-merged-usr/setup00.sh
+++ b/hooks/maybe-merged-usr/setup00.sh
@@ -4,12 +4,22 @@ set -eu
 
 env --chdir="$1" APT_CONFIG="$MMDEBSTRAP_APT_CONFIG" apt-get update --error-on=any
 
-# if the usr-is-merged package cannot be installed with apt, do nothing
-if ! env --chdir="$1" APT_CONFIG="$MMDEBSTRAP_APT_CONFIG" apt-cache show --no-all-versions usr-is-merged > /dev/null 2>&1; then
-	echo "no package called usr-is-merged found -- not running merged-usr setup hook" >&2
-	exit 0
+if env --chdir="$1" APT_CONFIG="$MMDEBSTRAP_APT_CONFIG" apt-cache show --no-all-versions usr-is-merged > /dev/null 2>&1; then
+	# if apt-cache exited successfully, then usr-is-merged exists either as
+	# a real or virtual package
+	if env --chdir="$1" APT_CONFIG="$MMDEBSTRAP_APT_CONFIG" apt-cache show --no-all-versions usr-is-merged 2>/dev/null | grep -q "Package: usr-is-merged"; then
+		echo "usr-is-merged found -- running merged-usr setup hook" >&2
+	else
+		# The usr-is-merged must be virtual, so assume that nothing
+		# has to be done. This is the case with Debian Trixie or later
+		# or with Ubuntu Lunar or later
+		echo "usr-is-merged found but not real -- not running merged-usr setup hook" >&2
+		exit 0
+	fi
 else
-	echo "package usr-is-merged found -- running merged-usr setup hook" >&2
+	# if the usr-is-merged package cannot be installed with apt, do nothing
+	echo "no package providing usr-is-merged found -- not running merged-usr setup hook" >&2
+	exit 0
 fi
 
 # resolve the script path using several methods in order:
-- 
2.39.2