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-rw-r--r--krebs/3modules/backup.nix23
1 files changed, 17 insertions, 6 deletions
diff --git a/krebs/3modules/backup.nix b/krebs/3modules/backup.nix
index 0aa86dec9..97082f56a 100644
--- a/krebs/3modules/backup.nix
+++ b/krebs/3modules/backup.nix
@@ -117,6 +117,14 @@ let
"$dst_user@$dst_host" \
-T "$with_dst_path_lock_script"
}
+ rsh="ssh -F /dev/null -i $identity ''${dst_port:+-p $dst_port}"
+ local_rsync() {
+ rsync "$@"
+ }
+ remote_rsync=${shell.escape (concatStringsSep " && " [
+ "mkdir -m 0700 -p ${shell.escape plan.dst.path}/current"
+ "exec flock -n ${shell.escape plan.dst.path} rsync"
+ ])}
'';
pull = ''
identity=${shell.escape plan.dst.host.ssh.privkey.path}
@@ -131,6 +139,12 @@ let
dst_shell() {
eval "$with_dst_path_lock_script"
}
+ rsh="ssh -F /dev/null -i $identity ''${src_port:+-p $src_port}"
+ local_rsync() {
+ mkdir -m 0700 -p ${shell.escape plan.dst.path}/current
+ flock -n ${shell.escape plan.dst.path} rsync "$@"
+ }
+ remote_rsync=rsync
'';
}}
# Note that this only works because we trust date +%s to produce output
@@ -140,13 +154,10 @@ let
with_dst_path_lock_script="exec env start_date=$(date +%s) "${shell.escape
"flock -n ${shell.escape plan.dst.path} /bin/sh"
}
- rsync >&2 \
+ local_rsync >&2 \
-aAXF --delete \
- -e "ssh -F /dev/null -i $identity ''${dst_port:+-p $dst_port}" \
- --rsync-path ${shell.escape (concatStringsSep " && " [
- "mkdir -m 0700 -p ${shell.escape plan.dst.path}/current"
- "exec flock -n ${shell.escape plan.dst.path} rsync"
- ])} \
+ --rsh="$rsh" \
+ --rsync-path="$remote_rsync" \
--link-dest="$dst_path/current" \
"$src/" \
"$dst/.partial"