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Discard changes (for a single change) is very slow

See original GitHub issue

Description

Version

GitHub Desktop: 1.1.0

Operating system: Windows 10 Pro 1709

Steps to Reproduce

Expected Behavior

Change should be discarded without delay.

Actual Behavior

Change is discarded, but it takes about 3 seconds for the popup to go away. This makes the UI feel very sluggish.

Additional Information

Not sure if this is just a UI issue where the popup needs to be destroyed, or if this is related to the backend / electron APIs for sending the file to the recycle bin as noted in #2629

Desktop Client system hardware specs: Dell Precision 7510 Core i7-6920HQ 32 Gigs of RAM 512 Gig SSD

Repo in that I’ve been using most recently is GitHub Enterprise. Server has 2 ms ping times and is 4 hops away on a very fast wired/gigabit corporate network:

> ping [REPO HOSTNAME]

Pinging [REPO HOSTNAME] [[REPO IP]] with 32 bytes of data:
Reply from [REPO IP]: bytes=32 time=2ms TTL=61
Reply from [REPO IP]: bytes=32 time=2ms TTL=61
Reply from [REPO IP]: bytes=32 time=2ms TTL=61
Reply from [REPO IP]: bytes=32 time=2ms TTL=61

Ping statistics for [REPO IP]:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 2ms, Maximum = 2ms, Average = 2ms
> tracert [REPO HOSTNAME]

Tracing route to [REPO HOSTNAME] [REPO IP]
over a maximum of 30 hops:

  1    <1 ms    <1 ms    <1 ms  [HOP1] [HOP1 IP]
  2     2 ms     3 ms     1 ms  [HOP2] [HOP2 IP]
  3    <1 ms    <1 ms    <1 ms  [HOP3] [HOP3 IP]
  4     2 ms     2 ms     2 ms  [REPO HOSTNAME] [REPO IP]

_{^{Running some tests for some build scripts that will ultimately change some files and check them in. For now as I’m tweaking I need to discard the changed and it’s super annoying how slow it is…}}