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https://github.com/NixOS/nixpkgs.git
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92 lines
2.4 KiB
Bash
92 lines
2.4 KiB
Bash
source $stdenv/setup
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sources_=($sources)
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targets_=($targets)
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objects=($objects)
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symlinks=($symlinks)
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# Remove the initial slash from a path, since genisofs likes it that way.
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stripSlash() {
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res="$1"
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if test "${res:0:1}" = /; then res=${res:1}; fi
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}
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stripSlash "$bootImage"; bootImage="$res"
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if test -n "$bootable"; then
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# The -boot-info-table option modifies the $bootImage file, so
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# find it in `contents' and make a copy of it (since the original
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# is read-only in the Nix store...).
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for ((i = 0; i < ${#targets_[@]}; i++)); do
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stripSlash "${targets_[$i]}"
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if test "$res" = "$bootImage"; then
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echo "copying the boot image ${sources_[$i]}"
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cp "${sources_[$i]}" boot.img
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chmod u+w boot.img
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sources_[$i]=boot.img
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fi
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done
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bootFlags="-b $bootImage -c .boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table"
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fi
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if test -n "$efiBootable"; then
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bootFlags="$bootFlags -eltorito-alt-boot -e $efiBootImage -no-emul-boot"
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fi
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touch pathlist
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# Add the individual files.
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for ((i = 0; i < ${#targets_[@]}; i++)); do
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stripSlash "${targets_[$i]}"
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echo "$res=${sources_[$i]}" >> pathlist
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done
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# Add the closures of the top-level store objects.
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storePaths=$(perl $pathsFromGraph closure-*)
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for i in $storePaths; do
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echo "${i:1}=$i" >> pathlist
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done
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# Also include a manifest of the closures in a format suitable for
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# nix-store --load-db.
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if [ -n "$object" ]; then
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printRegistration=1 perl $pathsFromGraph closure-* > nix-path-registration
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echo "nix-path-registration=nix-path-registration" >> pathlist
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fi
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# Add symlinks to the top-level store objects.
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for ((n = 0; n < ${#objects[*]}; n++)); do
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object=${objects[$n]}
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symlink=${symlinks[$n]}
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if test "$symlink" != "none"; then
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mkdir -p $(dirname ./$symlink)
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ln -s $object ./$symlink
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echo "$symlink=./$symlink" >> pathlist
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fi
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done
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# !!! what does this do?
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cat pathlist | sed -e 's/=\(.*\)=\(.*\)=/\\=\1=\2\\=/' | tee pathlist.safer
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ensureDir $out/iso
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genCommand="genisoimage -iso-level 4 -r -J $bootFlags -hide-rr-moved -graft-points -path-list pathlist.safer ${volumeID:+-V $volumeID}"
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if test -z "$compressImage"; then
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$genCommand -o $out/iso/$isoName
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else
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$genCommand | bzip2 > $out/iso/$isoName.bz2
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fi
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ensureDir $out/nix-support
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echo $system > $out/nix-support/system
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