sh: functions -> bin/

1 files changed, 0 insertions, 261 deletions

diff --git a/lib/prelude.sh b/lib/prelude.sh
deleted file mode 100644
index 2adfb5651..000000000
--- a/lib/prelude.sh
+++ /dev/null
@@ -1,261 +0,0 @@
-# clone_or_update : [user@]hostname x local_dir x git_url x git_rev -> ()
-clone_or_update() {(
-  target=$1
-  nixpkgs_dir=$2
-  git_url=$3
-  git_rev=$4
-
-  echo '
-    set -euf
-
-    if [ ! -d "$nixpkgs_dir" ]; then
-      mkdir -p "$nixpkgs_dir"
-    fi
-
-    cd "$nixpkgs_dir"
-
-    git init -q
-
-    if ! current_url=$(git config remote.src.url); then
-      git remote add src "$git_url"
-    elif [ $current_url != $git_url ]; then
-      git remote set-url src "$git_url"
-    fi
-
-    git fetch src
-
-    git checkout "$git_rev"
-  ' \
-    | ssh "$target" env \
-          nixpkgs_dir="$nixpkgs_dir" \
-          git_rev="$git_rev" \
-          git_url="$git_url" \
-        /bin/sh
-)}
-
-# deploy : nixos-config x [user@]hostname -> ()
-deploy() {(
-  main=$1
-  target=$2
-  nixpkgs_dir=/var/nixpkgs # TODO make configurable
-
-  git_url=$(nixpkgs_url $main)
-  git_rev=$(nixpkgs_rev $main)
-
-  if [ "$git_url" = '' ] || [ "$git_rev" = '' ]; then
-    echo "specify nixpkgs.url and nixpkgs.rev in $main !"
-    exit 23
-  fi
-
-  filter=$(rsync_filter "$main")
-
-  echo "$filter" \
-    | rsync -f '. -' -zvrlptD --delete-excluded ./ "$target":/etc/nixos/
-
-  clone_or_update "$target" "$nixpkgs_dir" "$git_url" "$git_rev"
-  ssh "$target" nixos-rebuild switch \
-    -I nixos-config=/etc/nixos/"$main" \
-    -I nixpkgs="$nixpkgs_dir" \
-    -I secrets=/etc/nixos/secrets \
-)}
-
-# rsync_filter : nixos-config -> rsync-filter
-rsync_filter() {(
-  main=$1
-
-  hosts=$(list_hosts)
-  module_imports=$(set -euf; list_module_imports "$main")
-  other_imports=$(
-    echo "$module_imports" \
-      | xargs grep -H . \
-      | import_statements \
-      | slash_path_relpath \
-      | undot_paths \
-      | sort \
-      | uniq \
-      | sed '/\.nix$/!s:$:/default.nix:' \
-      )
-  secrets=$(echo "$module_imports" | xargs cat | quoted_strings | filter_secrets)
-
-  # TODO collect all other paths from *_imports
-
-  abs_deps=$(
-    echo "$hosts"
-    echo "$module_imports"
-    echo "$other_imports"
-    echo "$secrets"
-  )
-
-  rel_deps=$(echo "$abs_deps" | make_relative_to "$PWD")
-  filter=$(echo "$rel_deps" | make_rsync_whitelist)
-
-  echo "$filter"
-)}
-
-# list_module_imports : nix-file -> lines nix-file
-list_module_imports() {
-  if echo "$1" | grep -q ^/; then
-    :
-  else
-    set -- "./$1"
-  fi
-  imports=$(nix-instantiate \
-      -I secrets=secrets \
-      --strict \
-      --json \
-      --eval \
-      -E \
-      "with builtins; with import ./lib/modules.nix; map toString (list-imports $1)")
-  echo "$imports" \
-    | jq -r .[]
-}
-
-# list_hosts : lines tinc-host-file
-# Precondition: $PWD/hosts is the correct repository :)
-list_hosts() {
-  git -C hosts ls-tree --name-only HEAD \
-    | awk '{print ENVIRON["PWD"]"/hosts/"$$0}'
-}
-
-# filter_secrets : lines string |> lines secrets-file-candidate
-# Notice how false positives are possible.
-filter_secrets() {
-  sed -n 's:^\(.*/\)\?\(secrets/.*\):'"${PWD//:/\\:}"'/\2:p'
-}
-
-# import_statements : lines (path ":" string) |> lines (path ":" relpath)
-import_statements() {
-  sed -n '
-        s@^\([^:]\+:\)\('"$(bre_invert_word import)"'\)*\<import\s\+@\1@
-        t1;d
-    :1; s@^\([^:]\+:\)\(\.*/\S*\)@\1\2\n@
-        t2;d
-    :2; P;D
-  '
-}
-
-# slash_path_relpath : lines (path ":" relpath) |> lines path
-#
-# Example: "/foo/bar: baz" => "/foo/baz"
-#
-slash_path_relpath() {
-  sed -n 's@/[^/]\+:@/@p'
-}
-
-# undot_paths : lines path |> lines path
-# Remove all dots (. and ..) from input paths.
-undot_paths() {
-  sed '
-    :0
-    s://\+:/:g
-    s:/\.\(/\|$\):\1:g
-    s:/[^/]\+/\.\.\(/\|$\):\1:g
-    s:^/\(\.\./\)\+:/:
-    t0
-    s:^$:/:
-  '
-}
-
-# quoted_strings : lines string |> lines string
-# Extract all (double-) quoted strings from stdin.
-#
-# 0. find begin of string or skip line
-# 1. find end of string or skip line
-# 2. print string and continue after string
-quoted_strings() {
-  sed '
-        s:[^"]*"::                  ;t1;d
-    :1; s:\(\([^"]\|\\"\)*\)":\1\n: ;t2;d
-    :2; P;D
-  ' \
-    | sed 's:\\":":g'
-}
-
-# bre_escape : lines string |> lines bre-escaped-string
-bre_escape() {
-  sed 's:[\.\[\\\*\^\$]:\\&:g'
-}
-
-# bre_invert_word : string -> BRE
-# TODO escape chars in the resulting BRE.
-bre_invert_word() {
-  awk -v input="$1" '
-    BEGIN {
-      split(input,s,"")
-      for (i in s) {
-        c=s[i]
-        printf "\\|%s[^%s]", y, c
-        y = y c
-      }
-    }
-  '
-}
-
-# ls_bre : directory -> BRE
-# Create a BRE from the files in a directory.
-ls_bre() {
-  ls "$1" \
-    | tr \\n / \
-    | sed '
-        s:[\.\[\\\*\^\$]:\\&:g
-        s:/$::
-        s:/:\\|:g
-      '
-}
-
-# make_relative_to : lines path |> directory -> lines path
-# Non-matching paths won't get altered.
-make_relative_to() {
-  sed "s:^$(echo "$1/" | bre_escape | sed 's/:/\\:/g')::"
-}
-
-# make_rsync_whitelist : lines relpath |> liens rsync-filter
-make_rsync_whitelist() {
-  set -- "$(cat)"
-
-  # include all files in stdin and their directories
-  {
-    echo "$1"
-    echo "$1" | make_parent_dirs | sort | uniq
-  } \
-    | sed 's|^|+ /|'
-
-  # exclude everything else
-  echo '- *'
-}
-
-# make_parent_dirs : lines path |> lines directory
-# List all parent directories of a path.
-make_parent_dirs() {
-  set -- "$(sed -n 's|/[^/]*$||p' | grep . | sort | uniq)"
-  if echo "$1" | grep -q .; then
-    echo "$1"
-    echo "$1" | make_parent_dirs
-  fi
-}
-
-# nixpkgs_url : nixos-config -> git_url
-nixpkgs_url() {
-  nix-instantiate \
-      -I nixos-config="$1" \
-      --eval \
-      --json \
-      -E '(import <nixos-config> {config={}; pkgs={};}).nixpkgs.url' 2> /dev/null \
-    | jq -r .
-}
-
-# nixpkgs_rev : nixos-config -> git_rev
-nixpkgs_rev() {
-  nix-instantiate \
-      -I nixos-config="$1" \
-      --eval \
-      --json \
-      -E '(import <nixos-config> {config={}; pkgs={};}).nixpkgs.rev' 2> /dev/null \
-    | jq -r . 2> /dev/null
-}
-
-# verbose COMMAND [ARGS...]
-verbose() {
-  echo "$@" >&2
-  "$@"
-}