56de2bcd43
https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948 this can do it nicely. Signed-off-by: Anton Arapov <anton@deadbeef.mx>
39 lines
851 B
Bash
Executable file
39 lines
851 B
Bash
Executable file
#!/usr/bin/env nix-shell
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#! nix-shell -i bash -p bash
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CWD=$PWD
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chko() {
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(
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T=`mktemp -d`
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trap "rm -rf $T" EXIT INT PIPE
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cd $T
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cat >check.nix <<EOF
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with import <nixpkgs> {};
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fetchgit `cat $CWD/../mkderivation/src-main.nix`
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EOF
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nix-build check.nix
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cat result/libraries/Makefile.libs
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)
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}
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getsha256() {
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URL=$(echo "$1" | sed 's/^"\(.*\)"$/\1/')
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REV=$(echo "$2" | sed 's/^"\(.*\)"$/\1/')
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SHA=$(nix run nixpkgs.nix-prefetch-git -c nix-prefetch-git --fetch-submodules "$URL" "$REV" 2>/dev/null | sed -n 's/.*"sha256": "\(.*\)",/\1/g p')
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echo "{ url = $1; rev = $2; sha256 = \"$SHA\"; fetchSubmodules = true; }"
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}
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OUT=src-libs.nix
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echo '[' > $OUT
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chko |
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grep checkout-git.sh |
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tr \' \" |
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while read NM TGT URL BR REV ; do
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echo Trying $TGT $URL $REV >&2
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getsha256 $URL $REV >> $OUT || exit 1
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done
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echo ']' >> $OUT
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