doc: promote "git restore"

diff --git a/t/chainlint.sed b/t/chainlint.sed
index 8544df38dfc0c557120a8a250529147edbc3d2a4..70df40e34b7df81adcb9997ebcc8d7b063627b32 100644 (file)
--- a/t/chainlint.sed
+++ b/t/chainlint.sed
@@ -94,14 +94,14 @@
 
 # here-doc -- swallow it to avoid false hits within its body (but keep the
 # command to which it was attached)
-/<<[   ]*[-\\']*[A-Za-z0-9_]/ {
-       s/^\(.*\)<<[    ]*[-\\']*\([A-Za-z0-9_][A-Za-z0-9_]*\)'*/<\2>\1<</
+/<<[   ]*[-\\'"]*[A-Za-z0-9_]/ {
+       s/^\(.*\)<<[    ]*[-\\'"]*\([A-Za-z0-9_][A-Za-z0-9_]*\)['"]*/<\2>\1<</
        s/[     ]*<<//
-       :hereslurp
+       :hered
        N
        /^<\([^>]*\)>.*\n[      ]*\1[   ]*$/!{
                s/\n.*$//
-               bhereslurp
+               bhered
        }
        s/^<[^>]*>//
        s/\n.*$//
@@ -131,9 +131,8 @@ b
 b
 
 :subshell
-# bare "(" line?
+# bare "(" line? -- stash for later printing
 /^[    ]*([    ]*$/ {
-       # stash for later printing
        h
        bnextline
 }
@@ -150,7 +149,7 @@ s/.*\n//
 
 :slurp
 # incomplete line "...\"
-/\\$/bincomplete
+/\\$/bicmplte
 # multi-line quoted string "...\n..."?
 /"/bdqstring
 # multi-line quoted string '...\n...'? (but not contraction in string "it's")
@@ -159,7 +158,7 @@ s/.*\n//
 }
 :folded
 # here-doc -- swallow it
-/<<[   ]*[-\\']*[A-Za-z0-9_]/bheredoc
+/<<[   ]*[-\\'"]*[A-Za-z0-9_]/bheredoc
 # comment or empty line -- discard since final non-comment, non-empty line
 # before closing ")", "done", "elsif", "else", or "fi" will need to be
 # re-visited to drop "suspect" marking since final line of those constructs
@@ -172,7 +171,7 @@ s/.*\n//
        /"[^"]*#[^"]*"/!s/[     ]#.*$//
 }
 # one-liner "case ... esac"
-/^[    ]*case[         ]*..*esac/bcheckchain
+/^[    ]*case[         ]*..*esac/bchkchn
 # multi-line "case ... esac"
 /^[    ]*case[         ]..*[   ]in/bcase
 # multi-line "for ... done" or "while ... done"
@@ -201,32 +200,32 @@ s/.*\n//
 /^[    ]*fi[   ]*[<>|]/bdone
 /^[    ]*fi[   ]*)/bdone
 # nested one-liner "(...) &&"
-/^[    ]*(.*)[         ]*&&[   ]*$/bcheckchain
+/^[    ]*(.*)[         ]*&&[   ]*$/bchkchn
 # nested one-liner "(...)"
-/^[    ]*(.*)[         ]*$/bcheckchain
+/^[    ]*(.*)[         ]*$/bchkchn
 # nested one-liner "(...) >x" (or "2>x" or "<x" or "|x")
-/^[    ]*(.*)[         ]*[0-9]*[<>|]/bcheckchain
+/^[    ]*(.*)[         ]*[0-9]*[<>|]/bchkchn
 # nested multi-line "(...\n...)"
 /^[    ]*(/bnest
 # multi-line "{...\n...}"
 /^[    ]*{/bblock
 # closing ")" on own line -- exit subshell
-/^[    ]*)/bclosesolo
+/^[    ]*)/bclssolo
 # "$((...))" -- arithmetic expansion; not closing ")"
-/\$(([^)][^)]*))[^)]*$/bcheckchain
+/\$(([^)][^)]*))[^)]*$/bchkchn
 # "$(...)" -- command substitution; not closing ")"
-/\$([^)][^)]*)[^)]*$/bcheckchain
+/\$([^)][^)]*)[^)]*$/bchkchn
 # multi-line "$(...\n...)" -- command substitution; treat as nested subshell
 /\$([^)]*$/bnest
 # "=(...)" -- Bash array assignment; not closing ")"
-/=(/bcheckchain
+/=(/bchkchn
 # closing "...) &&"
 /)[    ]*&&[   ]*$/bclose
 # closing "...)"
 /)[    ]*$/bclose
 # closing "...) >x" (or "2>x" or "<x" or "|x")
 /)[    ]*[<>|]/bclose
-:checkchain
+:chkchn
 # mark suspect if line uses ";" internally rather than "&&" (but not ";" in a
 # string and not ";;" in one-liner "case...esac")
 /;/{
@@ -245,7 +244,7 @@ n
 bslurp
 
 # found incomplete line "...\" -- slurp up next line
-:incomplete
+:icmplte
 N
 s/\\\n//
 bslurp
@@ -281,13 +280,13 @@ bfolded
 # found here-doc -- swallow it to avoid false hits within its body (but keep
 # the command to which it was attached)
 :heredoc
-s/^\(.*\)<<[   ]*[-\\']*\([A-Za-z0-9_][A-Za-z0-9_]*\)'*/<\2>\1<</
+s/^\(.*\)<<[   ]*[-\\'"]*\([A-Za-z0-9_][A-Za-z0-9_]*\)['"]*/<\2>\1<</
 s/[    ]*<<//
-:hereslurpsub
+:heredsub
 N
 /^<\([^>]*\)>.*\n[     ]*\1[   ]*$/!{
        s/\n.*$//
-       bhereslurpsub
+       bheredsub
 }
 s/^<[^>]*>//
 s/\n.*$//
@@ -317,43 +316,43 @@ x
 # is 'done' or 'fi' cuddled with ")" to close subshell?
 /done.*)/bclose
 /fi.*)/bclose
-bcheckchain
+bchkchn
 
 # found nested multi-line "(...\n...)" -- pass through untouched
 :nest
 x
-:nestslurp
+:nstslurp
 n
 # closing ")" on own line -- stop nested slurp
-/^[    ]*)/bnestclose
+/^[    ]*)/bnstclose
 # comment -- not closing ")" if in comment
-/^[    ]*#/bnestcontinue
+/^[    ]*#/bnstcnt
 # "$((...))" -- arithmetic expansion; not closing ")"
-/\$(([^)][^)]*))[^)]*$/bnestcontinue
+/\$(([^)][^)]*))[^)]*$/bnstcnt
 # "$(...)" -- command substitution; not closing ")"
-/\$([^)][^)]*)[^)]*$/bnestcontinue
+/\$([^)][^)]*)[^)]*$/bnstcnt
 # closing "...)" -- stop nested slurp
-/)/bnestclose
-:nestcontinue
+/)/bnstclose
+:nstcnt
 x
-bnestslurp
-:nestclose
+bnstslurp
+:nstclose
 s/^/>>/
 # is it "))" which closes nested and parent subshells?
 /)[    ]*)/bslurp
-bcheckchain
+bchkchn
 
 # found multi-line "{...\n...}" block -- pass through untouched
 :block
 x
 n
 # closing "}" -- stop block slurp
-/}/bcheckchain
+/}/bchkchn
 bblock
 
 # found closing ")" on own line -- drop "suspect" from final line of subshell
 # since that line legitimately lacks "&&" and exit subshell loop
-:closesolo
+:clssolo
 x
 s/?!AMP?!//
 p