Files
git-cli/private/git-commands.rkt
T
2026-08-12 14:59:50 +02:00

88 lines
2.4 KiB
Racket

#lang racket/base
(require "git-provider.rkt"
racket/string
)
(provide cmd-git-status
cmd-git-add
cmd-git-commit
)
(define (check-arg cmd args flags)
(for-each
(λ (opt)
(let ((flag (car opt))
(num-args (cadr opt))
(err-msg (caddr opt)))
(letrec ((find (λ (l)
(if (null? l)
#f
(if (eq? (car l) flag)
(if (>= (length (cdr l)) num-args)
#t
#f)
(find (cdr l)))))))
(let ((found (find args)))
(unless found
(error 'git (format "git ~a: ~a" cmd err-msg))))
)
))
flags))
(define (cmd-git-status args)
(let ((output (run-git '(status -s))))
(let-values (((result out) (git-out 'status output)))
(if result
(map (λ (line)
(let* ((state (string->symbol (string-trim (substring line 0 2))))
(file (string-trim (substring line 3))))
(cond
([eq? state '??] (list 'new file))
([eq? state 'M] (list 'modified file))
([eq? state 'A] (list 'added file))
([eq? state 'D] (list 'deleted file))
([eq? state 'AM] (list 'modified file))
([eq? state 'AD] (list 'deleted file))
([eq? state 'MM] (list 'modified file))
([eq? state 'MD] (list 'deleted file))
(else
(git-error 'status "Unexpected state" state))
)
))
out)
(git-error 'status "Error" out)
)
)
)
)
(define-syntax def-proxy-cmd
(syntax-rules ()
((_ f cmd)
(def-proxy-cmd f cmd (λ args (begin #t))))
((_ f cmd code)
(define (f args)
(code args)
(let ((output (run-git (cons 'cmd args))))
(let-values (((result out) (git-out 'cmd output)))
(if result
(begin
(git-displ out)
result)
(git-error 'cmd "Error" out)))))
)
)
)
(def-proxy-cmd cmd-git-add add)
(def-proxy-cmd cmd-git-commit commit
(λ (args) (check-arg 'commit args '((-m 1 "A commit message is mandatory"))))
)