diff options
Diffstat (limited to 'scripts/nix-reduce-build.in')
| -rw-r--r-- | scripts/nix-reduce-build.in | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/scripts/nix-reduce-build.in b/scripts/nix-reduce-build.in index b9c9b864fa72..1dcc0ac4e200 100644 --- a/scripts/nix-reduce-build.in +++ b/scripts/nix-reduce-build.in @@ -3,10 +3,19 @@ WORKING_DIRECTORY=$(mktemp -d "${TMPDIR:-/tmp}"/nix-reduce-build-XXXXXX); cd "$WORKING_DIRECTORY"; -if test -z "$1" ; then - echo 'nix-reduce-build (paths or Nix expressions) -- (logins at remote computers)' >&2 +if test -z "$1" || test "a--help" = "a$1" ; then + echo 'nix-reduce-build (paths or Nix expressions) -- (package sources)' >&2 echo As in: >&2 - echo nix-reduce-build /etc/nixos/nixos -- user@somewhere.nowhere.example.org >&2 + echo nix-reduce-build /etc/nixos/nixos -- ssh://user@somewhere.nowhere.example.org >&2 + echo nix-reduce-build /etc/nixos/nixos -- \\ + echo " " \''http://somewhere.nowhere.example.org/nix/nix-http-export.cgi?needed_path='\' >&2 + echo " store path name will be added into the end of the URL" >&2 + echo nix-reduce-build /etc/nixos/nixos -- file://home/user/nar/ >&2 + echo " that should be a directory where gzipped 'nix-store --export' ">&2 + echo " files are located (they should have .nar.gz extension)" >&2 + echo " Or all together: " >&2 + echo -e nix-reduce-build /expr.nix /e2.nix -- \\\\\\\n\ + " ssh://a@b.example.com http://n.example.com/get-nar?q= file://nar/" >&2 exit; fi; @@ -62,17 +71,17 @@ for i in "$@"; do filePath="${i#file:/}"; if [ "$i" != "$sshHost" ]; then cat needed-paths | while read; do - echo "Getting $REPLY and its closure over ssh" + echo "Getting $REPLY and its closure over ssh" >&2 nix-copy-closure --from "$sshHost" --gzip "$REPLY" </dev/null || true; done; elif [ "$i" != "$httpHost" ] || [ "$i" != "$httpsHost" ]; then cat needed-paths | while read; do - echo "Getting $REPLY over http/https" + echo "Getting $REPLY over http/https" >&2 curl ${BAD_CERTIFICATE:+-k} -L "$i${REPLY##*/}" | gunzip | nix-store --import; done; elif [ "$i" != "filePath" ] ; then cat needed-paths | while read; do - echo "Installing $REPLY from file" + echo "Installing $REPLY from file" >&2 gunzip < "$filePath/${REPLY##*/}".nar.gz | nix-store --import; done; fi; |