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Updates to nix-reduce-build: only realize fixed derivations if user asks so, or only use substituters. Oh, and add possibility to use : for things like /etc/nixos/nixpkgs:-A:gnused

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This commit is contained in:
Michael Raskin 2008-08-02 16:43:25 +00:00
parent 3c92ea399d
commit b3c26180e3
1 changed files with 32 additions and 1 deletions
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33
scripts/nix-reduce-build.in
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@ -20,6 +20,10 @@ if test -z "$1" || test "a--help" = "a$1" ; then
echo "nix-reduce-build /e.nix -- nix-daemon:// nix-self://" >&2
echo " nix-daemon:// builds using daemon"
echo " nix-self:// builds directly using nix-store from current installation" >&2
echo " nix-daemon-fixed:// and nix-self-fixed:// do the same, but only for" >&2;
echo "derivations with specified output hash (sha256, sha1 or md5)." >&2
echo " nix-daemon-substitute:// and nix-self-substitute:// try to substitute" >&2;
echo "maximum amount of paths" >&2;
exit;
fi;
@ -36,7 +40,10 @@ while read ; do
echo "$REPLY" >> paths; >&2
;;
*)
nix-instantiate "$REPLY" >> paths;
(
IFS=: ;
nix-instantiate $REPLY >> paths;
);
;;
esac;
done < initial;
@ -106,6 +113,30 @@ for i in "$@"; do
echo "Realising $REPLY using direct Nix build" >&2
NIX_REMOTE= @bindir@/nix-store -r "${REPLY}"
done;
elif [ "$i" = "nix-daemon-fixed://" ] ; then
cat derivers-closure | while read; do
if egrep '"(md5|sha1|sha256)"' "$REPLY" &>/dev/null; then
echo "Realising $REPLY using nix-daemon" >&2
NIX_REMOTE=daemon @bindir@/nix-store -r "${REPLY}"
fi;
done;
elif [ "$i" = "nix-self-fixed://" ] ; then
cat derivers-closure | while read; do
if egrep '"(md5|sha1|sha256)"' "$REPLY" &>/dev/null; then
echo "Realising $REPLY using direct Nix build" >&2
NIX_REMOTE= @bindir@/nix-store -r "${REPLY}"
fi;
done;
elif [ "$i" = "nix-daemon-substitute://" ] ; then
cat needed-paths | while read ; do
echo "Substituting $REPLY using nix-daemon" >&2
NIX_REMOTE=daemon @bindir@/nix-store -r "${NIX_STORE_DIR:-/nix/store}/${REPLY##*/}"
done;
elif [ "$i" = "nix-self-substitute://" ] ; then
cat needed-paths | while read ; do
echo "Substituting $REPLY using direct Nix build" >&2
NIX_REMOTE= @bindir@/nix-store -r "${NIX_STORE_DIR:-/nix/store}/${REPLY##*/}"
done;
fi;
mv needed-paths wanted-paths;
cat wanted-paths | xargs nix-store --check-validity --print-invalid > needed-paths;