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(bugfix) Quote remote preflight shell commands

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Pass remote rsync and source-root preflight checks as a single quoted
shell command to SSH so the remote shell evaluates command -v and test
expressions reliably.

Refs #45
This commit is contained in:
Peter van Arkel
2026-05-21 15:44:46 +02:00
parent 833edb2466
commit 3fb8209aef
2 changed files with 10 additions and 6 deletions
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12
src/pobsync_backend/preflight.py
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@@ -97,9 +97,7 @@ def run_remote_preflight(host: HostConfig, *, timeout_seconds: int = 20) -> dict
*ssh_cmd,
"-oBatchMode=yes",
target,
"sh",
"-lc",
f"command -v {shlex.quote(rsync_binary)} >/dev/null",
_remote_shell_command(f"command -v {shlex.quote(rsync_binary)} >/dev/null"),
],
timeout_seconds=timeout_seconds,
),
@@ -109,9 +107,7 @@ def run_remote_preflight(host: HostConfig, *, timeout_seconds: int = 20) -> dict
*ssh_cmd,
"-oBatchMode=yes",
target,
"sh",
"-lc",
f"test -e {shlex.quote(source_root)} && test -r {shlex.quote(source_root)}",
_remote_shell_command(f"test -e {shlex.quote(source_root)} && test -r {shlex.quote(source_root)}"),
],
timeout_seconds=timeout_seconds,
),
@@ -129,6 +125,10 @@ def run_remote_preflight(host: HostConfig, *, timeout_seconds: int = 20) -> dict
return result
def _remote_shell_command(script: str) -> str:
return f"sh -lc {shlex.quote(script)}"
def effective_host_config_preview(host: HostConfig, global_config: GlobalConfig) -> dict[str, Any]:
config = build_effective_config(global_config_object_data(global_config), host_config_object_data(host))
credential = host.ssh_credential or global_config.default_ssh_credential