--- a/lib/update.updates	Thu Feb 26 19:49:10 2015 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,158 +0,0 @@
-#!/bin/bash
-# vim: set ft=sh :
-#
-# Dependency-based updates + utils
-
-UPDATE_FORCE=
-UPDATE_NOOP=
-UPDATE_DIFF=
-
-## Compare the given output file with all given source files:
-#
-#   check_update $out ${deps[@]} && do_update $out ... || ...
-#
-# Returns true if the output file needs to be updated.
-function check_update {
-    # target
-    local out="$1"; shift
-
-    debug "$out"
-
-    # need update?
-    local update=
-
-    if [ ${#@} == 0 ]; then
-        debug "  update: unknown deps"
-        update=y
-
-    elif [ ! -e "$out" ]; then
-        debug "  update: dest missing"
-        update=y
-        
-    elif [ $UPDATE_FORCE ]; then
-        debug "  update: forced"
-        update=y
-    fi
-
-    # check deps
-    for dep in "$@"; do
-        # don't bother checking if already figured out
-        [ $update ] && continue
-
-        # check
-        if [ ! -e "$dep" ]; then
-            warn "$out: Missing source: $dep"
-
-        elif [ "$out" -ot "$dep" ]; then
-            debug "  update: $dep"
-            update=y
-        else
-            debug "  check: $dep"
-        fi
-    done
-
-    [ ! $update ] && debug "  up-to-date"
-
-    # return
-    [ $update ]
-}
-
-## Generate updated output file from given command's stdout:
-#
-#   do_update $out $BIN/cmd --args
-#
-# Writes output to a temporary .new file, optionally shows a diff of changes, and commits
-# the new version to $out (unless noop'd).
-function do_update {
-    local out="$1"; shift
-    local tmp="$out.new"
-
-    debug "$out"
-    cmd "$@" > "$tmp"
-
-    # compare
-    if [ -e "$out" ] && [ $UPDATE_DIFF ]; then
-        debug "  changes:"
-
-        # terse
-        indent "        " diff --unified=1 "$out" "$tmp" || true
-    fi
-    
-    # deploy
-    if [ $UPDATE_NOOP ]; then
-        # cleanup
-        debug "  no-op"
-
-        cmd rm "$tmp"
-    else
-        # commit
-        debug "  deploy"
-
-        cmd mv "$tmp" "$out"
-    fi
-}
-
-## Compare symlink to target:
-#
-#   check_link $lnk $tgt && do_link $lnk $tgt || ...
-#
-# Tests if the symlink exists, and the target matches.
-# Fails if the symlink needs updating.
-function check_link {
-    local out="$1"
-    local tgt="$2"
-
-    [ -e "$out" ] || return 1
-
-    [ -L "$out" ] || fail "$out: is not a link"
-
-    [ "$(readlink "$out")" == "$tgt" ] || return 1
-
-    return 0
-}
-
-## Update symlink to point to target:
-#
-#   do_link $lnk $tgt
-#
-function do_link {
-    local out="$1"
-    local tgt="$2"
-
-    cmd ln -sf "$tgt" "$out"
-
-    [ -e "$out" ] || fail "$out: given target does not exist: $tgt"
-}
-
-## Read include paths from file
-function read_zone_includes {
-    cmd sed -n -E 's/^\$INCLUDE\s+"(.+)"/\1/p' "$@"
-}
-
-## (cached) include paths for zone file
-function zone_includes {
-    local cache="$1"
-    local src="$2"
-    local prefix="${3:-}"
-
-    if [ ! -e "$cache" -o "$cache" -ot "$src" ]; then
-        read_zone_includes "$src" > "$cache"
-    fi
-
-    while read include; do
-        echo -n "$prefix$include "
-    done < "$cache"
-}
-
-## Search for prefix-matching includes in zone file
-function zone_includes_grep {
-    local cache="$1"
-    local src="$2"
-    local prefix="$3"
-    
-    for include in $(zone_includes $cache $src); do
-        if [ "${include#$prefix}" != "$include" ]; then
-            echo -n " ${include#$prefix}"
-        fi
-    done
-}