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feat(cli): add read-only flag #87

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merged 2 commits into from
May 11, 2023
Merged

feat(cli): add read-only flag #87

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b1ea246
feat: add unforce flag
brandonspark May 10, 2023
cdad616
review: change to `--read-only`
brandonspark May 10, 2023
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19 changes: 12 additions & 7 deletions src/smlfmt.sml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ val optionalArgDesc =
\\n\
\ [--preview-only] show formatted output and skip file overwrite\n\
\ (incompatible with --force)\n\
\ [--read-only] just parse files, without interactive confirmation\n\
\\n\
\ [-max-width W] try to use at most <W> columns in each line\n\
\ (default 80)\n\
Expand Down Expand Up @@ -85,6 +86,7 @@ val allowExtendedText =

val doDebug = CommandLineArgs.parseFlag "debug-engine"
val doForce = CommandLineArgs.parseFlag "force"
val doReadOnly = CommandLineArgs.parseFlag "read-only"
val doHelp = CommandLineArgs.parseFlag "help"
val doCheck = CommandLineArgs.parseFlag "check"
val preview = CommandLineArgs.parseFlag "preview"
Expand Down Expand Up @@ -259,13 +261,16 @@ fun formatOneSML
end

fun confirm () =
( print ("overwrite " ^ hfp ^ " [y/N]? ")
; case TextIO.inputLine TextIO.stdIn of
NONE => printErr ("skipping " ^ hfp ^ "\n")
| SOME line =>
if line = "y\n" orelse line = "Y\n" then writeOut ()
else printErr ("skipping " ^ hfp ^ "\n")
)
if doReadOnly then
()
else
( print ("overwrite " ^ hfp ^ " [y/N]? ")
; case TextIO.inputLine TextIO.stdIn of
NONE => printErr ("skipping " ^ hfp ^ "\n")
| SOME line =>
if line = "y\n" orelse line = "Y\n" then writeOut ()
else printErr ("skipping " ^ hfp ^ "\n")
)
in
if not showPreview then
()
Expand Down