Backport #17406.
Closes#17378
Both errors from #17378 were caused by #15175.
Problem 1 (error with added file):
`ToUTF8WithFallbackReader` creates a `MultiReader` from a `byte[2048]` and the remaining reader. `CreateReaderAndGuessDelimiter` tries to read 10000 bytes from this reader but only gets 2048 because that's the first reader in the `MultiReader`. Then the `if size < 1e4` thinks the input is at EOF and just returns that.
Problem 2 (error with changed file):
The blob reader gets defer closed. That was fine because the old version reads the whole file into memory. Now with the streaming version the close needs to defer after the method.
Co-authored-by: zeripath <art27@cantab.net>
* make sure headGitRepo is closed on err too
* refactor
* Fix git.Blob.DataAsync(): exec cancel since we already read all bytes (close pipe since we return a NopCloser)
Co-authored-by: zeripath <art27@cantab.net>
Backport #16517
The CompareAndPullRequestPost handler for POST to /compare
incorrectly handles returning errors to the user. For a start
it does not set the necessary markers to switch SimpleMDE
but it also does not immediately return to the form.
This PR fixes this by setting the appropriate values, fixing
the templates and preventing the suggestion of a too long
title.
Fix#16507
Signed-off-by: Andrew Thornton <art27@cantab.net>
* refactor routers directory
* move func used for web and api to common
* make corsHandler a function to prohibit side efects
* rm unused func
Co-authored-by: 6543 <6543@obermui.de>
