[pbs-devel] applied: [PATCH proxmox-backup] server/worker_task: fix upid_read_status
Dietmar Maurer
dietmar at proxmox.com
Tue Sep 8 07:08:19 CEST 2020
wow - that hurts ..
> On 09/07/2020 2:50 PM Dominik Csapak <d.csapak at proxmox.com> wrote:
>
>
> a range from high to low in rust results in an empty range
> (see std::ops::Range documentation)
> so we need to generate the range from 0..data.len() and then reverse it
>
> also, the task log contains a newline at the end, so we have to remove
> that (should it exist)
>
> Signed-off-by: Dominik Csapak <d.csapak at proxmox.com>
> ---
> maybe it would be nicer (but slower) to use the .lines() iterator?
> to not run into such things?
>
> src/server/worker_task.rs | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/src/server/worker_task.rs b/src/server/worker_task.rs
> index 997c2492..28e62ba2 100644
> --- a/src/server/worker_task.rs
> +++ b/src/server/worker_task.rs
> @@ -210,9 +210,14 @@ pub fn upid_read_status(upid: &UPID) -> Result<TaskState, Error> {
> let mut data = Vec::with_capacity(8192);
> file.read_to_end(&mut data)?;
>
> + // task logs should end with newline, we do not want it here
> + if data[data.len()-1] == b'\n' {
> + data.pop();
> + }
> +
> let last_line = {
> let mut start = 0;
> - for pos in data.len()-1..=0 {
> + for pos in (0..data.len()).rev() {
> if data[pos] == b'\n' {
> start = pos + 1;
> break;
> --
> 2.20.1
>
>
>
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