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[23.0 backport] improve cp progress - #4157
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This fixes a case where a non-tty will have control characters + the log line for every single read operation. Signed-off-by: Brian Goff <cpuguy83@gmail.com> (cherry picked from commit f27927d) Signed-off-by: Brian Goff <cpuguy83@gmail.com>
- Instead of rewriting the entire line every time only clear and write the parts that changed. - Hide the cursor while writing progress Both these things make the progress updates significantly easier to read. Signed-off-by: Brian Goff <cpuguy83@gmail.com> (cherry picked from commit ccae6e9) Signed-off-by: Brian Goff <cpuguy83@gmail.com>
This just makes it easier to reason about what is happening. Signed-off-by: Brian Goff <cpuguy83@gmail.com> (cherry picked from commit efd011b) Signed-off-by: Brian Goff <cpuguy83@gmail.com>
Only show progress updates after a time threshold has elapsed in order to reduce the number of writes to the terminal. This improves readability of the progress. Also moves cursor show/hide into the progress printer to reduce chances if messing up the user's terminal in case of cancellation. Signed-off-by: Brian Goff <cpuguy83@gmail.com> (cherry picked from commit 90b7bc3) Signed-off-by: Brian Goff <cpuguy83@gmail.com>
Signed-off-by: Brian Goff <cpuguy83@gmail.com> (cherry picked from commit b9a1b09) Signed-off-by: Brian Goff <cpuguy83@gmail.com>
This moves all the terminal writing to a goroutine that updates the terminal periodically. In our MITM copier we just use an atomic to add to the total number of bytes read/written, the goroutine reads the total and updates the terminal as needed. Signed-off-by: Brian Goff <cpuguy83@gmail.com> (cherry picked from commit eb392ff) Signed-off-by: Brian Goff <cpuguy83@gmail.com>
vvoland
approved these changes
Apr 4, 2023
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Cherry-picks #4137