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-rwxr-xr-xhooks/maybe-merged-usr/extract00.sh20
1 files changed, 15 insertions, 5 deletions
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: