From 0e1be34687beccc0bdbccfac6a83006e040d54b7 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Tue, 20 Oct 2020 17:11:34 +0200
Subject: lib/common-functions: failsafe_sftp(): use less magic for
 $master_mirror_sftp_root - simply cd $master_mirror_sftp_root before doing
 anything else

---
 lib/common-functions | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/lib/common-functions b/lib/common-functions
index b64af00..8b842ff 100755
--- a/lib/common-functions
+++ b/lib/common-functions
@@ -871,12 +871,6 @@ failsafe_sftp() {
     trial_counter=20
     trap 'rm -rf --one-file-system "${temp_dir}"' EXIT
     cat > "${temp_dir}/input"
-    if [ -n "${master_mirror_sftp_root}" ]; then
-      sed -i '
-        /^\(rm\|rename\) / s@"\([^"]\+\)"@"'"${master_mirror_sftp_root}"'/\1"@g
-        /^ln / s@"\([^"]\+\)"$@"'"${master_mirror_sftp_root}"'/\1"@
-      ' "${temp_dir}/input"
-    fi
     sed -n '
       s/^rm "\([^"]\+\)"$/- \1/
       s/^ln\( [^"]\S*\)* "[^"]\+" "\([^"]\+\)"$/+ \2/
@@ -885,7 +879,10 @@ failsafe_sftp() {
       p
     ' "${temp_dir}/input" > \
       "${temp_dir}/expectations"
-    if ${master_mirror_sftp_command} < "${temp_dir}/input"; then
+    if sed '
+      1 i cd "'"${master_mirror_sftp_root}"'"
+    ' "${temp_dir}/input" \
+    | ${master_mirror_sftp_command}; then
       # we're done
       exit 0
     fi
@@ -901,13 +898,18 @@ failsafe_sftp() {
       # - succeeding sftp command to create listing (e.g. all expected
       #   files are found)
       # - no unexpected files were found
-      if ${master_mirror_sftp_command} < \
-        "${temp_dir}/input" && \
+      if sed '
+        1 i cd "'"${master_mirror_sftp_root}"'"
+      ' "${temp_dir}/input" \
+      | ${master_mirror_sftp_command} && \
         sed '
           s/^+ \(\S\+\)$/ls -1 "\1"/
           s,^- \(\S\+/\)[^/]\+$,ls -1 "\1",
         ' "${temp_dir}/expectations" | \
           sort -u | \
+          sed '
+            1 i cd "'"${master_mirror_sftp_root}"'"
+          ' "${temp_dir}/input" | \
           ${master_mirror_sftp_command} > "${temp_dir}/check" && \
         ! grep -qxF "$(
           sed -n '
-- 
cgit v1.2.3