From 114200a9c3b183cae9c9ea3bb2aacf8ae6a3cb3c Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Tue, 4 Sep 2018 10:19:43 +0200
Subject: lib/mysql-functions: mysql_run_query() if a query containing "LOAD
 DATA LOCAL INFILE ..." failed, save those files for furhter inspection

---
 lib/mysql-functions | 28 +++++++++++++++++-----------
 1 file changed, 17 insertions(+), 11 deletions(-)

(limited to 'lib')

diff --git a/lib/mysql-functions b/lib/mysql-functions
index e0715c3..d38169b 100755
--- a/lib/mysql-functions
+++ b/lib/mysql-functions
@@ -22,9 +22,6 @@ base64_encode_each() {
   done
 }
 
-# TODO: if a query containing 'LOAD DATA LOCAL INFILE ...' failed, save
-# those files for furhter inspection!
-
 # mysql_run_query
 # wrapper function to query mysql
 mysql_run_query() {
@@ -34,6 +31,8 @@ mysql_run_query() {
 
   local file_name_extra
   local file
+  local files
+  loval number
 
   file_name_extra=''
   if [ "x$1" = 'xunimportant' ]; then
@@ -62,6 +61,18 @@ mysql_run_query() {
   # a present query_file means there was an error
   if [ -f "${query_stdin}" ]; then
     >&2 printf 'I could not complete a mysql query!\n'
+    files="${query_stdin} ${query_stdout} ${query_stderr}$(
+      sed -n '
+        s/^.*INFILE "\(\S\+\)".*$/\1/
+        T
+        p
+      ' "${query_stdin}" | \
+        cat -n | \
+        while read -r number file; do
+          cp "${file}" "${query_stdin%.stdin}.infile.${number}"
+          printf ' %s' "${query_stdin%.stdin}.infile.${number}"
+        done
+    )"
     if ${i_am_the_master}; then
       if [ ! -s "${work_dir}/build-master-sanity" ] && \
         [ -z "${file_name_extra}" ]; then
@@ -69,10 +80,7 @@ mysql_run_query() {
           "${query_stdin##*/}" \
           | irc_say
       fi
-      for file in \
-        "${query_stdin}" \
-        "${query_stdout}" \
-        "${query_stderr}"; do
+      for file in ${files}; do
         cp "${file}" "${webserver_directory}/mysql-queries/${file##*/}.txt"
         chmod go+r "${webserver_directory}/mysql-queries/${file##*/}.txt"
       done
@@ -81,10 +89,8 @@ mysql_run_query() {
       echo 'A mysql query failed.' > \
         "${work_dir}/build-master-sanity"
     else
-      rm -f \
-        "${query_stdin}" \
-        "${query_stdout}" \
-        "${query_stderr}"
+      # shellcheck disable=SC2086
+      rm -f ${files}
     fi
     return 2
   fi
-- 
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