48 lines
1.2 KiB
Bash
Executable File
48 lines
1.2 KiB
Bash
Executable File
#!/bin/sh
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get_vendor()
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{
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local origin="$DPKG_ROOT/etc/dpkg/origins/default"
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local vendor
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if [ -n "$DEB_VENDOR" ]; then
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vendor="$DEB_VENDOR"
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elif [ -e "$origin" ]; then
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vendor=$(sed -ne 's/^Vendor: *\([^ ]\+\) */\1/p' "$origin" | tr A-Z a-z)
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fi
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echo "${vendor:-default}"
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}
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check_merged_usr_via_aliased_dirs()
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{
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local vendor
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vendor=$(get_vendor)
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case "$vendor" in
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debian)
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# In Debian some people have gotten so offended by the following _warning_
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# that they have resorted to bullying and abuse. Life's too short, sorry.
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return
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;;
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ubuntu)
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# Ubuntu does not seem interested in it.
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return
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;;
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esac
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for d in /bin /sbin /lib /lib32 /libo32 /libx32 /lib64; do
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linkname="$(readlink $d)"
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if [ "$linkname" = "usr$d" ] || [ "$linkname" = "/usr$d" ]; then
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echo "This system uses merged-usr-via-aliased-dirs, going behind dpkg's" >&3
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echo "back, breaking its core assumptions. This can cause silent file" >&3
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echo "overwrites and disappearances, and its general tools misbehavior." >&3
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echo "See <https://wiki.debian.org/Teams/Dpkg/FAQ#broken-usrmerge>." >&3
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break
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fi
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done
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}
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check_merged_usr_via_aliased_dirs
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