examples/git-commands.lisp @ 835e1bf26a35

(in-package :chancery)
(named-readtables:in-readtable :chancery)

(define-string noun
  "binary blob"
  "packfile"
  "refspec"
  "blob"
  "branch"
  "changeset"
  "commit"
  "conflicted merge"
  "current HEAD"
  "file"
  "head"
  "merge"
  "remote"
  "object"
  "patch"
  "ref"
  "repository"
  "symlink"
  "tag"
  "tip")


(define-string git-location%
  "repository"
  "index"
  "working tree"
  "content-addressable filesystem"
  "object store"
  "reflog"
  "current directory"
  "current repository"
  "current branch"
  "checked-out branch"
  "upstream repository"
  "DAG")

(define-string git-folder%
  ""
  "refs"
  "logs"
  "objects"
  "hooks"
  "HEAD"
  "COMMIT_EDITMSG")

(define-string git-folder
  (".git/" :. git-folder%))

(define-string git-location
  ("the" git-location%)
  git-folder)

(define-string external-location
  "Hacker News"
  "Stack Overflow"
  "Twitter"
  "Reddit"
  "Github"
  "Gitlab"
  "Github's status page"
  "/dev/random"
  "/dev/urandom"
  "your .gitconfig"
  "the git man pages"
  "the git source code"
  "the blockchain"
  "your home directory")

(define-string location
  git-location
  external-location)


(define-string action
  (list "bisect" "bisecting")
  (list "clone" "cloning")
  (list "commit" "committing")
  (list "delete" "deleting")
  (list "display" "displaying")
  (list "fast-forward" "fast-forwarding")
  (list "fetch" "fetching")
  (list "merge" "merging")
  (list "move" "moving")
  (list "print" "printing")
  (list "prune" "pruning")
  (list "pull" "pulling")
  (list "push" "pushing")
  (list "record" "recording")
  (list "revert" "reverting")
  (list "remove" "removing")
  (list "rename" "renaming")
  (list "reset" "resetting")
  (list "resolve" "resolving")
  (list "show" "showing")
  (list "sign" "signing")
  (list "simplify" "simplifying")
  (list "update" "updating")
  (list "verify" "verifying"))

(defun action-verb ()
  (first (action)))


(define-string refresh
  "update"
  "reset")

(define-string refreshing
  "updating"
  "resetting")


(define-string extremum
  "newest"
  "oldest"
  "largest"
  "smallest"
  "sparsest"
  "first"
  "last"
  "worst"
  "simplest"
  "best")

(define-string adjective
  "merged"
  "unmerged"
  "symbolic"
  "uncommitted"
  "signed"
  "unsigned"
  "big-endian"
  "little-endian"
  "childless"
  "binary")


(define-string age
  "newest"
  "oldest"
  "first"
  "last")

(define-string look-for
  "search"
  "grep"
  "bisect"
  "filter")

(define-string temporal-adverb
  "before"
  "after"
  "without")


(defun letter ()
  (random-elt "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"))

(defun shellify (str)
  (string-downcase (substitute #\- #\space str)))

(define-string short-option%
  ("-" :. letter)
  ("-" :. letter [noun shellify string-upcase]))

(defparameter *noun* nil)

(define-string long-option%
  (eval (let ((*noun* (generate-string [noun shellify])))
          (generate-string ("--" :. *noun* :. "=<" :. *noun* :. ">"))))
  ("--" :. action-verb)
  ("--" :. extremum)
  ("--only-" :. adjective)
  ("--only-" :. [noun shellify s])
  ("--" :. action-verb :. "=<" :. [noun shellify] :. ">"))

(define-string short-option
  short-option%
  ("[" :. short-option% :. "]"))

(define-string long-option
  long-option%
  ("[" :. long-option% :. "]"))

(define-string short-options
  short-option
  (short-option short-option))

(define-string options
  long-option
  short-options
  (short-options long-option)
  (long-option short-options))


(defparameter *command* nil)
(defparameter *commanding* nil)

(define-string description
  (look-for location "for the" age noun "and" *command* "it")
  ("read" (eval (+ 2 (random 2000))) "bytes from" location "and" *command* "them")
  (*command* "the" extremum noun "in" git-location)
  (*command* [noun a] temporal-adverb refreshing git-location)
  (*command* "and push all" adjective [noun s] "to" location)
  (*command* "all" adjective [noun s] "in" git-location)
  (*command* "the" extremum "and merge it into" git-location)
  (*command* "some" [noun s] "from a remote")
  (*command* "two or more" [noun s] "and save them to" location)
  ("move or" *command* [noun a] "in" git-location)
  ("rebase" [noun a] "onto" location "after" *commanding* "it")
  (*command* "and" refresh git-location)
  ("list," *command* :. ", or delete" [noun s]))

(defun entry ()
  (destructuring-bind (*command* *commanding*) (action)
    (generate-string
      ("git" *command* options #\newline :. [description cap]))))


(defun p (s)
  (format t "~A~2%" s))

; (map nil #'p (gimme 40 (entry)))