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Map where filter needed.

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Elf M. Sternberg 2015-05-27 20:13:40 -07:00
parent dbd6f8e1e9
commit d63e2f9ad0
1 changed files with 68 additions and 64 deletions
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@ -9,9 +9,9 @@
; below. ; below.
(def *config-path* (os.path.join (.get os.environ "GIT_DIR" "./.git") "pccs")) (def *config-path* (os.path.join (.get os.environ "GIT_DIR" "./.git") "pccs"))
(def *modified* (.compile re "^[MA]\s+(?P<name>.*)$")) (def *git-modified-pattern* (.compile re "^[MA]\s+(?P<name>.*)$"))
(def *checks* (def *checks*
[ [
; { ; {
; "output" "Checking for debugger commands in Javascript..." ; "output" "Checking for debugger commands in Javascript..."
@ -58,105 +58,110 @@
] ]
) )
(defn get-git-value [cmd] (defn get-git-response [cmd]
(let [[fullcmd (+ ["git"] cmd)] (let [[fullcmd (+ ["git"] cmd)]
[process (subprocess.Popen fullcmd [process (subprocess.Popen fullcmd
:stdout subprocess.PIPE :stdout subprocess.PIPE
:stderr subprocess.PIPE)] :stderr subprocess.PIPE)]
[(, out err) (.communicate process)]] [(, out err) (.communicate process)]]
(, out err process.returncode))) (, out err process.returncode)))
(defn run-git-command [cmd] (defn run-git-command [cmd]
(let [[fullcmd (+ ["git"] cmd)]] (let [[fullcmd (+ ["git"] cmd)]]
(subprocess.call fullcmd (subprocess.call fullcmd
:stdout subprocess.PIPE :stdout subprocess.PIPE
:stderr subprocess.PIPE))) :stderr subprocess.PIPE)))
(defn get-shell-value [fullcmd] (defn get-shell-response [fullcmd]
(let [[process (subprocess.Popen fullcmd (let [[process (subprocess.Popen fullcmd
:stdout subprocess.PIPE :stdout subprocess.PIPE
:stderr subprocess.PIPE :stderr subprocess.PIPE
:shell True)] :shell True)]
[(, out err) (.communicate process)]] [(, out err) (.communicate process)]]
(, out err process.returncode))) (, out err process.returncode)))
(defn derive-max-code [code-pairs] (defn derive-max-code [code-pairs]
(reduce (reduce
(fn [m i] (if (> (abs (get i 0)) (abs m)) (get i 0) m)) (fn [m i] (if (> (abs (get i 0)) (abs m)) (get i 0) m))
code-pairs 0)) code-pairs 0))
(defn derive-message-bodies [code-pairs] (defn derive-message-bodies [code-pairs]
(lmap (fn [i] (get i 1)) code-pairs)) (lmap (fn [i] (get i 1)) code-pairs))
(defn matches-file [filename match-files]
(any (map (fn [match-file] (-> (.compile re match-file)
(.match filename)))
match-files)))
; Hy is overeager to return an iterators which is consumed during
; later traversal. lmap returns a concrete list instead.
(defn lmap (pred iter) (list (map pred iter))) (defn lmap (pred iter) (list (map pred iter)))
(defn encode-shell-messages [prefix messages]
(lmap (fn [line] (.format "{}{}" prefix (.decode line "utf-8")))
(.splitlines messages)))
(defn run-external-checker [filename check] (defn run-external-checker [filename check]
(let [[cmd (-> (get check "command") (.format (let [[cmd (-> (get check "command")
:filename filename (.format
:config_path *config-path*))] :filename filename
[(, out err returncode) (get-shell-value cmd)]] :config_path *config-path*))]
(if (or (and out (= (.get check "error_condition" "error") "output")) [(, out err returncode) (get-shell-response cmd)]]
err (if (or (and out (= (.get check "error_condition" "error") "output"))
err
(not (= returncode 0))) (not (= returncode 0)))
(let [[prefix (if (get check "print_filename") (let [[prefix (if (get check "print_filename")
(.format "\t{}:" filename) (.format "\t{}:" filename)
"\t")] "\t")]
[output (+ [output (+ (encode-shell-messages prefix out)
(lmap (fn [line] (.format "{}{}" prefix (.decode line "utf-8"))) (if err (encode-shell-messages prefix err) []))]]
(.splitlines out))
(if err [err] []))]]
[(or returncode 1) output]) [(or returncode 1) output])
[0 []]))) [0 []])))
(defn matches-file [filename match-files]
(any (map (fn [match-file] (-> (.compile re match-file)
(.match filename)))
match-files)))
(defn check-scan-wanted [filename check] (defn check-scan-wanted [filename check]
(cond [(and (in "match_files" check) (cond [(and (in "match_files" check)
(not (matches-file filename (get check "match_files")))) false] (not (matches-file filename (get check "match_files")))) false]
[(and (in "ignore_files" check) [(and (in "ignore_files" check)
(matches-file filename (get check "ignore_files"))) false] (matches-file filename (get check "ignore_files"))) false]
[true true])) [true true]))
(defn tap [x] (print x) x)
(defn check-files [filenames check] (defn check-files [filenames check]
(let [[filenames-to-check (let [[filenames-to-check
(lmap (fn [filename] (check-scan-wanted filename check)) filenames)] (filter (fn [filename] (check-scan-wanted filename check)) filenames)]
[scan-results [results-of-checks
(lmap (fn [filename] (lmap (fn [filename]
(run-external-checker filename check)) filenames-to-check)] (run-external-checker filename check)) filenames-to-check)]
[messages (+ [(get check "output")] (derive-message-bodies scan-results))]] [messages (+ [(get check "output")]
[(derive-max-code scan-results) messages])) (derive-message-bodies results-of-checks))]]
[(derive-max-code results-of-checks) messages]))
(defn gather-all-filenames [] (defn gather-all-filenames []
(let [[build-filenames (let [[build-filenames
(fn [filenames] (fn [filenames]
(map (map
(fn [f] (os.path.join (get filenames 0) f)) (get filenames 2)))]] (fn [f] (os.path.join (get filenames 0) f)) (get filenames 2)))]]
(list (flatten (list-comp (build-filenames o) [o (.walk os ".")]))))) (list
(flatten
; I removed the originally recommended "-u" command from stash; it was (list-comp (build-filenames o) [o (.walk os ".")])))))
; "cleaning up" far too zealously, deleting my node_modules directory
(defn gather-staged-filenames [against] (defn gather-staged-filenames [against]
(let [[(, out err returncode) (let [[(, out err returncode)
(get-git-value ["diff-index" "--name-status" against])] (get-git-response ["diff-index" "--name-status" against])]
[lines (.splitlines out)] [lines (.splitlines out)]
[matcher (fn [line] (.match *modified* (.decode line "utf-8")))]] [matcher
(list (filter (fn [line]
(fn [x] (not (= x ""))) (.match *git-modified-pattern* (.decode line "utf-8")))]]
(list-comp (.group match "name") [match (map matcher lines)] match))))) (list
(filter
(fn [x] (not (= x "")))
(list-comp (.group match "name") [match (map matcher lines)] match)))))
(defn scan-files [scan-all-files against] (defn run-checks-for [scan-all-files against]
(do (do
(run-git-command ["stash" "--keep-index"]) (run-git-command ["stash" "--keep-index"])
(let [[filenames-to-scan (let [[filenames-to-scan
(if scan-all-files (if scan-all-files
(gather-all-filenames) (gather-all-filenames)
(gather-staged-filenames against))] (gather-staged-filenames against))]
[results-of-scan [results-of-scan
(lmap (fn [check] (check-files filenames-to-scan check)) *checks*)] (lmap (fn [check] (check-files filenames-to-scan check)) *checks*)]
@ -167,13 +172,12 @@
(run-git-command ["reset" "--hard"]) (run-git-command ["reset" "--hard"])
(run-git-command ["stash" "pop" "--quiet" "--index"]) (run-git-command ["stash" "pop" "--quiet" "--index"])
exit-code)))) exit-code))))
(defn get-head-tag [] (defn get-head-tag []
(let [[empty-repository-hash "4b825dc642cb6eb9a060e54bf8d69288fbee4904"] (let [[empty-repository-hash "4b825dc642cb6eb9a060e54bf8d69288fbee4904"]
[(, out err returncode) (get-git-value ["rev-parse" "--verify HEAD"])]] [(, out err returncode) (get-git-response ["rev-parse" "--verify HEAD"])]]
(if err empty-repository-hash "HEAD"))) (if err empty-repository-hash "HEAD")))
(defmain [&rest args] (defmain [&rest args]
(let [[scan-all-files (and (> (len args) 1) (= (get args 2) "--all-files"))]] (let [[scan-all-files (and (> (len args) 1) (= (get args 2) "--all-files"))]]
(sys.exit (scan-files scan-all-files (get-head-tag))))) (sys.exit (run-checks-for scan-all-files (get-head-tag)))))