check that command doesn't write anything on stderr in stderr_dev-null_grimoires

Author: phyver

missions/stdin_stdout_stderr/04_stderr_dev-null_grimoires/check.sh

@@ -11,16 +11,25 @@ _mission_check() (
         return 1
     fi
 
-    temp_file=$(mktemp)
-    eval "$pc" | sort >"$temp_file"
-    if cmp -s "$GSH_TMP/list_grimoires_GSH" "$temp_file"
+    temp_file1=$(mktemp)
+    temp_file2=$(mktemp)
+    eval "$pc | sort" 1>"$temp_file1" 2>"$temp_file2"
+
+    if ! cmp -s "$GSH_TMP/list_grimoires_GSH" "$temp_file1"
+    then
+      rm -f "$temp_file1" "$temp_file2"
+      return 1
+    fi
+
+    if [ -s "$temp_file2" ]
     then
-      rm -f "$temp_file"
-      return 0
-    else
-      rm -f "$temp_file"
+      echo "$(gettext "Your command shouldn't generate error messages...")"
+      rm -f "$temp_file1" "$temp_file2"
       return 1
     fi
+
+    rm -f "$temp_file1" "$temp_file2"
+    return 0
 )
 
 _mission_check

missions/stdin_stdout_stderr/04_stderr_dev-null_grimoires/clean.sh

@@ -1,13 +1,13 @@
 #!/usr/bin/env sh
 
 
-if [ -f "$GSH_TMP/list_grimoires_RO" ]
+if [ -f "$GSH_TMP/list_grimoires-R" ]
 then
     while IFS= read file
     do
         rm "$file"
-    done < "$GSH_TMP/list_grimoires_RO"
+    done < "$GSH_TMP/list_grimoires-R"
 fi
 unset file
-rm -f "$GSH_TMP/list_grimoires_RO"
+rm -f "$GSH_TMP/list_grimoires-R"
 rm -f "$GSH_TMP/list_grimoires_GSH"

missions/stdin_stdout_stderr/04_stderr_dev-null_grimoires/init.sh

@@ -4,7 +4,7 @@ _mission_init() ( #subshell to avoid changing directory
   bib="$(eval_gettext '$GSH_HOME/Castle/Main_building/Library/Merlin_s_office')"
   find "$bib" -type f -name "$(gettext "grimoire")_*" -print0 | xargs -0 rm -f
 
-  rm -f "$GSH_TMP/list_grimoires_RO"
+  rm -f "$GSH_TMP/list_grimoires-R"
 
   RANDOM 600 | for i in $(seq 100)
   do
@@ -38,8 +38,8 @@ _mission_init() ( #subshell to avoid changing directory
     read RANDOM
     if [ $((RANDOM % 2)) -eq 0 ]
     then
-      chmod -r "$file"
-      echo "$file" >> "$GSH_TMP/list_grimoires_RO"
+      chmod a-r "$file"
+      echo "$file" >> "$GSH_TMP/list_grimoires-R"
     fi
     [ $((i%10)) -eq 0 ] && printf "."
   done

missions/stdin_stdout_stderr/04_stderr_dev-null_grimoires/test.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env sh
+
+. alt_history_start.sh
+
+cd "$(eval_gettext '$GSH_HOME/Castle/Main_building/Library/Merlin_s_office')"
+
+add_cmd 'grep -i gsh "$(gettext "grimoire")"_*'
+add_cmd 'gsh check'
+gsh assert check false
+
+add_cmd 'grep -il gsh "$(gettext "grimoire")"_*'
+add_cmd 'gsh check'
+gsh assert check false
+
+chmod a+r "$(gettext "grimoire")"_*
+add_cmd 'grep -il gsh "$(gettext "grimoire")"_*'
+add_cmd 'gsh check'
+gsh assert check false
+
+add_cmd 'grep -il gsh "$(gettext "grimoire")"_* 2>/dev/null'
+add_cmd 'gsh check'
+gsh assert check true
+
+. alt_history_stop.sh