From 91c0684b1b65ffe5b7bdceb479f0eea2241ca6a6 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Wed, 19 Dec 2018 13:43:58 +0100
Subject: Makefile new

---
 dd-resume | 137 --------------------------------------------------------------
 1 file changed, 137 deletions(-)
 delete mode 100755 dd-resume

(limited to 'dd-resume')

diff --git a/dd-resume b/dd-resume
deleted file mode 100755
index 848c459..0000000
--- a/dd-resume
+++ /dev/null
@@ -1,137 +0,0 @@
-#!/bin/bash
-
-# copy resumably with dd via network
-
-script_name=$(basename "$0")
-
-usage() {
-  >&2 printf 'usage:\n'
-  >&2 printf '  %s in-host in-dev out-dev log-file\n' "${script_name}"
-  >&2 printf '  %s -s in-dev start-position remote-port\n' "${script_name}"
-  exit 1
-}
-
-dd_options='bs=1M'
-
-for needed in dd nc ss screen pgrep kill ssh; do
-  if ! which "${needed}" >/dev/null; then
-    >&2 printf 'please install required program %s\n' "${needed}"
-    exit 1
-  fi
-done
-
-if [ "x$1" = 'x-s' ]; then
-  shift
-  if [ $# -ne 3 ]; then
-    >&2 printf 'expected 3 arguments, got %s:\n' "$#"
-    >&2 printf '"%s" ' "$@"
-    >&2 printf '\n'
-    usage
-  fi
-  dev="$1"
-  start="$2"
-  remote_ip="${SSH_CLIENT%% *}"
-  if [ -z "${remote_ip}" ]; then
-    >&2 printf 'cannot obtain remote ip\n'
-    exit 1
-  fi
-  remote_port="$3"
-  if [ ! -r "${dev}" ]; then
-    >&2 printf 'cannot read from %s\n\n' "${dev}"
-    usage
-  fi
-  set +o pipefail
-  dd if="${dev}" ${dd_options} skip="${start}" 2>/dev/null | \
-    nc -cn "${remote_ip}" "${remote_port}"
-  exit $?
-fi
-
-if [ $# -ne 4 ]; then
-  usage
-fi
-remote_host="$1"
-remote_dev="$2"
-local_dev="$3"
-log_file="$4"
-
-if [ ! -w "${log_file%/*}" ] && [ ! -w "${log_file}" ]; then
-  >&2 printf 'cannot write/create log-file %s\n\n' "${log_file}"
-  usage
-fi
-
-if [ ! -w "${local_dev}" ]; then
-  >&2 printf 'cannot write to out-dev %s\n\n' "${local_dev}"
-  usage
-fi
-
-start=0
-if [ -f "${log_file}" ]; then
-  start=$(
-    sed -n '
-      1 {
-        s/^start: //
-        p
-        q
-      }
-    ' "${log_file}"
-  )
-  copied=$(
-    sed '
-      s/^\([0-9]\+\)+0 records out$/\1/
-      t
-      d
-    ' "${log_file}" | \
-    sort -n | \
-    tail -n1
-  )
-  if [ -n "${copied}" ]; then
-    start=$((start+copied))
-  fi
-fi
-
-if pgrep -ax dd || pgrep -ax nc; then
-  >&2 printf 'another dd or nc is already running - this won'"'"'t work\n'
-  exit 1
-fi
-
-printf 'start: %s\n' "${start}" > \
-  "${log_file}"
-
-screen -d -m bash -c '
-  set +o pipefail
-  nc -l -c | \
-    dd of="'"${local_dev}"'" '"${dd_options}"' seek='"${start}"' 2>>"'"${log_file}"'" >/dev/null
-  printf '"'"'\nwrite-pipe-exit: %s\n'"'"' $? >>"'"${log_file}"'"
-'
-
-for i in {1..20}; do
-  if [ -n "${port}" ]; then
-    break
-  elif [ ${i} -gt 1 ]; then
-    sleep 0.1
-  fi
-  nc_pid=$(
-    pgrep -x nc
-  )
-  dd_pid=$(
-    pgrep -x dd
-  )
-  port=$(
-    ss -nlp | \
-      grep -F ",pid=${nc_pid}," | \
-      awk '{print $5}' | \
-      sed 's/^.*://'
-  )
-done
-if [ -z "${port}" ]; then
-  >&2 printf 'could not determine listening port\n'
-  exit 1
-fi
-screen -d -m bash -c '
-  while kill -SIGUSR1 '"${dd_pid}"'; do
-    sleep 1
-  done
-'
-
-ssh "${remote_host}" "${script_name} -s ${remote_dev} ${start} ${port}"
-printf '\nssh-exit: %s\n' $? >>"${log_file}"
-- 
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