pyrox.dev
nixos/initrd: Do a lazy library copy in hopes to save some space for replaced binaries
+21
-17
nixos/modules/system/boot/stage-1.nix
+21
-17
nixos/modules/system/boot/stage-1.nix
···
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mkdir -p $out/bin $out/lib
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ln -s $out/bin $out/sbin
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-
# Copy ld manually since it isn't detected correctly
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cp -pv ${pkgs.glibc}/lib/ld*.so.? $out/lib
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-
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copy_bin_and_libs () {
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[ -f "$out/bin/$(basename $1)" ] && rm "$out/bin/$(basename $1)"
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cp -pdv $1 $out/bin
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LDD="$(ldd $1)" || return 0
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LIBS="$(echo "$LDD" | awk '{print $3}' | sed '/^$/d')"
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for LIB in $LIBS; do
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[ ! -f "$out/lib/$(basename $LIB)" ] && cp -pdv $LIB $out/lib
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while [ "$(readlink $LIB)" != "" ]; do
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LINK="$(readlink $LIB)"
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if [ "${LINK:0:1}" != "/" ]; then
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LINK="$(dirname $LIB)/$LINK"
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fi
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LIB="$LINK"
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[ ! -f "$out/lib/$(basename $LIB)" ] && cp -pdv $LIB $out/lib
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done
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done
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return 0
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}
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# Copy BusyBox.
···
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ln -sf kmod $out/bin/modprobe
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${config.boot.initrd.extraUtilsCommands}
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+
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# Copy ld manually since it isn't detected correctly
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cp -pv ${pkgs.glibc}/lib/ld*.so.? $out/lib
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# Copy all of the needed libraries for the binaries
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for BIN in $(find $out/{bin,sbin} -type f); do
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echo "Copying libs for bin $BIN"
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LDD="$(ldd $BIN)" || continue
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LIBS="$(echo "$LDD" | awk '{print $3}' | sed '/^$/d')"
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for LIB in $LIBS; do
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[ ! -f "$out/lib/$(basename $LIB)" ] && cp -pdv $LIB $out/lib
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while [ "$(readlink $LIB)" != "" ]; do
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LINK="$(readlink $LIB)"
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if [ "${LINK:0:1}" != "/" ]; then
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LINK="$(dirname $LIB)/$LINK"
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fi
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LIB="$LINK"
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[ ! -f "$out/lib/$(basename $LIB)" ] && cp -pdv $LIB $out/lib
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done
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done
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done
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# Strip binaries further than normal.
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chmod -R u+w $out