Revert accidentally pushed fork

Revert "README for this fork"

This reverts commit 97db461e7f.

Revert "Allow foo=bar global variable assignments"

This reverts commit 45a2017580.

Revert "Interpret () in command position as subshell"

This reverts commit 0199583435.

Revert "Allow special variables $?,$$,$@,$#"

This reverts commit 4a71ee1288.

Revert "Allow $() in command position"

This reverts commit 4b99fe2288.

Revert "Turn off full LTO"

This reverts commit b1213f1385.

Revert "Back out "bind: Remove "c-" and "a-" shortcut notation""

This reverts commit f43abc42f9.

Revert "Un-hide documentation of non-fish shell builtins"

This reverts commit 485201ba2e.

tests/checks/commandline.fish

@@ -16,6 +16,7 @@ or echo Invalid $status
 
 commandline --input 'echo $$' --is-valid
 or echo Invalid $status
+# CHECK: Invalid 1
 
 commandline --help &>/dev/null
 echo Help $status

tests/checks/expansion.fish

@@ -324,8 +324,11 @@ $fish -c 'echo {}}'
 #CHECKERR: fish: Unexpected '}' for unopened brace
 #CHECKERR: echo {}}
 #CHECKERR: ^
-printf '<%s>\n' ($fish -c 'command (echo asd)' 2>&1)
-# CHECK: <asd>
+printf '<%s>\n' ($fish -c 'command (asd)' 2>&1)
+#CHECK: <fish: command substitutions not allowed in command position. Try var=(your-cmd) $var ...>
+#CHECK: <command (asd)>
+#CHECK: <        ^~~~^>
+true
 
 printf '<%s>\n' ($fish -c 'echo "$abc["' 2>&1)
 #CHECK: <fish: Invalid index value>
@@ -334,7 +337,7 @@ printf '<%s>\n' ($fish -c 'echo "$abc["' 2>&1)
 
 set -l pager command less
 echo foo | $pager
-#CHECKERR: {{.*}}checks/expansion.fish (line {{\d+}}): The expanded command is a keyword.
+#CHECKERR: {{.*}}checks/expansion.fish (line 339): The expanded command is a keyword.
 #CHECKERR: echo foo | $pager
 #CHECKERR:            ^~~~~^
 

tests/checks/indent.fish

@@ -403,7 +403,8 @@ function hello_continuations
 
 echo "\
 a=1 \\
-    a=2 echo" | $fish_indent --check # FIXME
+    a=2 \\
+    echo" | $fish_indent --check
 echo $status #CHECK: 0
 
 echo "\
@@ -496,12 +497,12 @@ echo $status #CHECK: 0
 echo 'PATH={$PATH[echo " "' | $fish_indent --ansi
 # CHECK: PATH={$PATH[echo " "
 
-echo a \> | $fish_indent #  TODO(posix_mode)
+echo a\> | $fish_indent
 # CHECK: a >
 
 echo a\<\) | $fish_indent
 # CHECK: a < )
-echo b\|\{ | $fish_indent  # TODO(posix_mode)
+echo b\|\{ | $fish_indent
 # CHECK: b | {
 
 echo "\'\\\\\x00\'" | string unescape | $fish_indent | string escape

tests/checks/invocation.fish

@@ -91,20 +91,20 @@ $fish --no-config -c 'echo notprinted; echo foo | exec true; echo banana'
 # CHECKERR:                             ^~~~~~~~^
 
 # Running multiple command lists continues even if one has a syntax error.
-$fish --no-config -c 'echo $% oh no syntax error' -c 'echo this works'
+$fish --no-config -c 'echo $$ oh no syntax error' -c 'echo this works'
 # CHECK: this works
-# CHECKERR: fish: $% is not a valid variable in fish.
-# CHECKERR: echo $% oh no syntax error
+# CHECKERR: fish: $$ is not the pid. In fish, please use $fish_pid.
+# CHECKERR: echo $$ oh no syntax error
 # CHECKERR: ^
 
 $fish --no-config .
 # CHECKERR: error: Unable to read input file: Is a directory
 # CHECKERR: warning: Error while reading file .
 
-$fish --no-config -c 'echo notprinted; echo foo; echo $%'
-# CHECKERR: fish: $% is not a valid variable in fish.
-# CHECKERR: echo notprinted; echo foo; echo $%
-# CHECKERR: ^
+$fish --no-config -c 'echo notprinted; echo foo; a=b'
+# CHECKERR: fish: Unsupported use of '='. In fish, please use 'set a b'.
+# CHECKERR: echo notprinted; echo foo; a=b
+# CHECKERR:                            ^~^
 
 $fish --no-config -c 'echo notprinted | and true'
 # CHECKERR: fish: The 'and' command can not be used in a pipeline

tests/checks/syntax-error-location.fish

@@ -17,6 +17,18 @@ echo 'true | time false' | $fish 2>| string replace -r '(.*)' '<$1>'
 # CHECK: <       ^~~~~~~~~^>
 
 
+echo '
+
+FOO=BAR (true one)
+(true two)
+
+# more things
+' | $fish 2>| string replace -r '(.*)' '<$1>'
+
+# CHECK: <fish: command substitutions not allowed in command position. Try var=(your-cmd) $var ...>
+# CHECK: <FOO=BAR (true one)>
+# CHECK: <        ^~~~~~~~~^>
+
 $fish -c 'echo "unfinished "(subshell' 2>| string replace -r '.*' '<$0>'
 # CHECK: <fish: Unexpected end of string, expecting ')'>
 # CHECK: <echo "unfinished "(subshell>

tests/checks/variable-assignment.fish

@@ -85,19 +85,18 @@ complete -C'a=b envxalias '
 # CHECK: arg
 
 # Eval invalid grammar to allow fish to parse this file
-a=(echo b1)
-echo a is $a
-# CHECK: a is b1
-
-# FIXME
-# : | a=b2
-# echo a is $a
-# # CHECK: echo a is b2
-
-# TODO(posix_mode)
-# not a=b3
-# echo a is $a
-# # CHECK: echo a is b3
+eval 'a=(echo b)'
+# CHECKERR: {{.*}}: Unsupported use of '='. In fish, please use 'set a (echo b)'.
+# CHECKERR: a=(echo b)
+# CHECKERR: ^~~~~~~~~^
+eval ': | a=b'
+# CHECKERR: {{.*}}: Unsupported use of '='. In fish, please use 'set a b'.
+# CHECKERR: : | a=b
+# CHECKERR:     ^~^
+eval 'not a=b'
+# CHECKERR: {{.*}}: Unsupported use of '='. In fish, please use 'set a b'.
+# CHECKERR: not a=b
+# CHECKERR:     ^~^
 
 complete -c foo -xa '$a'
 a=b complete -C'foo '