[PR PATCH] update-check: no partial response and not trust insecure certificate

[Dieken <Dieken@users.noreply.github.com>]

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There is a new pull request by Dieken against master on the void-packages repository

https://github.com/Dieken/void-packages stricter-update-check
https://github.com/void-linux/void-packages/pull/43192

update-check: no partial response and not trust insecure certificate
1. My network is slow, `./xbps-src update-check xorg-server` takes 50s and `./xbps-src update-check xorg-server-xwayland` takes 11s, `curl --max-time 10` returns partial response but no error.  So I remove `--max-time 10` and add `-f` to forbid partial response. It's better to call `set -eo pipefail` for the whole script but I'm not sure whether it will break the script.  The CI job or interactive execution can have their own timeout.

2. `-k` means `--insecure`, it's bad, we should always validate HTTPS server certificate.

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A patch file from https://github.com/void-linux/void-packages/pull/43192.patch is attached

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From 1c6a56334ed9724fca11c7e1bfb29bf641dbf989 Mon Sep 17 00:00:00 2001
From: Yubao Liu <yubao.liu@gmail.com>
Date: Sun, 2 Apr 2023 18:36:33 +0800
Subject: [PATCH] update-check: no partial response and not trust insecure
 certificate

1. My network is slow, `./xbps-src update-check xorg-server` takes 50s
   and `./xbps-src update-check xorg-server-xwayland` takes 11s, `curl
   --max-time 10` returns partial response but no error.  So I remove
   `--max-time 10` and add `-f` to forbid partial response. It's better
   to call `set -eo pipefail` for the whole script but I'm not sure
   whether it will break the script.  The CI job or interactive execution
   can have their own timeout.

2. `-k` means `--insecure`, it's bad, we should always validate HTTPS
   server certificate.
---
 common/xbps-src/shutils/update_check.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/xbps-src/shutils/update_check.sh b/common/xbps-src/shutils/update_check.sh
index cd3bb369bdb3..cd5c6ad7ff96 100644
--- a/common/xbps-src/shutils/update_check.sh
+++ b/common/xbps-src/shutils/update_check.sh
@@ -94,7 +94,7 @@ update_check() {
                 echo "(folder) fetching $urlpfx and scanning with $rx" 1>&2
             fi
             skipdirs=
-            curl -A "xbps-src-update-check/$XBPS_SRC_VERSION" --max-time 10 -Lsk "$urlpfx" |
+            curl -A "xbps-src-update-check/$XBPS_SRC_VERSION" -Lsf "$urlpfx" |
                 grep -Po -i "$rx" |
                 # sort -V places 1.1/ before 1/, but 1A/ before 1.1A/
                 sed -e 's:$:A:' -e 's:/A$:A/:' | sort -Vru | sed -e 's:A/$:/A:' -e 's:A$::' |
@@ -200,7 +200,7 @@ update_check() {
         if [ -n "$XBPS_UPDATE_CHECK_VERBOSE" ]; then
             echo "fetching $url and scanning with $rx" 1>&2
         fi
-        curl -H 'Accept: text/html,application/xhtml+xml,application/xml,text/plain,application/rss+xml' -A "xbps-src-update-check/$XBPS_SRC_VERSION" --max-time 10 -Lsk "$url" |
+        curl -H 'Accept: text/html,application/xhtml+xml,application/xml,text/plain,application/rss+xml' -A "xbps-src-update-check/$XBPS_SRC_VERSION" -Lsf "$url" |
             grep -Po -i "$rx"
         fetchedurls[$url]=yes
     done |