Adding a compiled version.
This commit is contained in:
parent
83e9e5cd64
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# pre-commit
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This program is a git pre-commit hook that runs an arbitrary set of
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syntax, style, and complexity checks against files about to be checked
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in.
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pre-commit is a git-hook; you install it into your project's .git
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directory in .git/hooks and make it executable. It will run every time
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you attempt to commit a collection of files, running the configured list
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of linters against those files, and will terminate the check-in if any
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of the files fails.
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pre-commit uses the git-stash to temporarily store any changes you may
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have made between your "git-add" and your "git-commit"; it therefore
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checks against your *staged* files, not your *workspace* files. Most
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hooks do the wrong thing and assume your stage and workspace are the
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same. This is not necessarily so.
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pre-commit is written in Hy, a Lisp-like dialect of Python. I find Hy's
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support for "cond", complex anonymous functions, and complex return
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values highly appealing. The UTF-8 handling in this script means it is
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compatible only with Hy running atop Python3.
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pre-commit is based on the pre-commit recommendations in Steve Pulec's
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"Why you need a git-hook and why most are wrong" available at:
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http://css.dzone.com/articles/why-your-need-git-pre-commit The changes
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I've made reflect a different set of needs, different possible ways of
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receiving error conditions, and a slightly nicer output.
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If, while installing this, you encounter a problem, you must return your
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git repository to its original pre-stash state. Learn to use the
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following commands correctly:
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git stash list
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git stash pop
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@ -0,0 +1,180 @@
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#!/usr/bin/env hy
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(def *version* "0.0.2")
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(import os re subprocess sys)
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; pccs (pre-commit configs) should be a directory under your .git
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; where you store the RCs for your various linters. If you want to
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; use a global one, you'll have to edit the configuration entries
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; below.
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(def *config-path* (os.path.join (.get os.environ "GIT_DIR" "./.git") "pccs"))
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(def *modified* (.compile re "^[MA]\s+(?P<name>.*)$"))
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(def *checks*
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[
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; {
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; "output" "Checking for debugger commands in Javascript..."
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; "command" "grep -n debugger {filename}"
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; "match_files" [".*\.js$"]
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; "print_filename" True
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; "error_condition" "output"
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; }
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{
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"output" "Running Jshint..."
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"command" "jshint -c {config_path}/jshint.rc {filename}"
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"match_files" [".*\.js$"]
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"print_filename" False
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"error_condition" "error"
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}
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{
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"output" "Running Coffeelint..."
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"command" "coffeelint {filename}"
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"match_files" [".*\.coffee$"]
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"print_filename" False
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"error_condition" "error"
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}
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{
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"output" "Running JSCS..."
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"command" "jscs -c {config_path}/jscs.rc {filename}"
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"match_files" [".*\.js$"]
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"print_filename" False
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"error_condition" "error"
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}
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{
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"output" "Running pep8..."
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"command" "pep8 -r --ignore=E501,W293,W391 {filename}"
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"match_files" [".*\.py$"]
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"print_filename" False
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"error_condition" "error"
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}
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{
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"output" "Running xmllint..."
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"command" "xmllint {filename}"
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"match_files" [".*\.xml"]
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"print_filename" False
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"error_condition" "error"
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}
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]
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)
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(defn get-git [cmd]
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(let [[fullcmd (+ ["git"] cmd)]
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[process (subprocess.Popen fullcmd
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:stdout subprocess.PIPE
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:stderr subprocess.PIPE)]
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[(, out err) (.communicate process)]]
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(, out err process.returncode)))
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(defn call-git [cmd]
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(let [[fullcmd (+ ["git"] cmd)]]
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(subprocess.call fullcmd
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:stdout subprocess.PIPE
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:stderr subprocess.PIPE)))
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(defn get-cmd [cmd]
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(let [[process (subprocess.Popen cmd
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:stdout subprocess.PIPE
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:stderr subprocess.PIPE
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:shell True)]
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[(, out err) (.communicate process)]]
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(, out err process.returncode)))
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(defn max-code [code-pairs]
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(reduce (fn [m i] (if
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(> (abs (get i 0)) (abs m))
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(get i 0)
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m))
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code-pairs 0))
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(defn message-bodies [code-pairs]
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(lmap (fn [i] (get i 1)) code-pairs))
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(defn matches-file [filename match-files]
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(any (map (fn [match-file] (-> (.compile re match-file)
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(.match filename)))
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match-files)))
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; Hy is overeager to return an iterators which is consumed during
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; later traversal. lmap returns a concrete list instead.
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(defn lmap (pred iter) (list (map pred iter)))
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(defn run-external-checker [filename check]
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(let [[cmd (-> (get check "command") (.format
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:filename filename
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:config_path *config-path*))]
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[(, out err returncode) (get-cmd cmd)]]
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(if (or (and out (= (.get check "error_condition" "error") "output"))
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err
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(not (= returncode 0)))
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(let [[prefix (if (get check "print_filename")
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(.format "\t{}:" filename)
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"\t")]
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[output (+
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(lmap (fn [line] (.format "{}{}" prefix (.decode line "utf-8")))
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(.splitlines out))
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(if err [err] []))]]
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[(or returncode 1) output])
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[0 []])))
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(defn check-file [filename check]
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(cond [(and (in "match_files" check)
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(not (matches-file filename (get check "match_files")))) [0 []] ]
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[(and (in "ignore_files" check)
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(matches-file filename (get check "ignore_files"))) [0 []] ]
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[true (run-external-checker filename check)]))
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(defn check-files [filenames check]
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(let [[scan-results (lmap
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(fn [filename] (check-file filename check)) filenames)]
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[messages (+ [(get check "output")] (message-bodies scan-results))]]
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[(max-code scan-results) messages]))
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(defn get-all-files []
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(let [[build-filenames
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(fn [filenames]
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(map
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(fn [f] (os.path.join (get filenames 0) f)) (get filenames 2)))]]
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(flatten (list-comp (build-filenames o) [o (.walk os ".")]))))
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; I removed the originally recommended "-u" command from stash; it was
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; "cleaning up" far too zealously, deleting my node_modules directory
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(defn get-some-files [against]
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(let [[(, out err returncode)
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(get-git ["diff-index" "--name-status" against])]
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[lines (.splitlines out)]
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[matcher (fn [line] (.match *modified* (.decode line "utf-8")))]]
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(filter
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(fn [x] (not (= x "")))
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(list-comp (.group match "name") [match (map matcher lines)] match))))
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(defn scan [all-files against]
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(do
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(call-git ["stash" "--keep-index"])
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(let [[toscan
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(list (if all-files (get-all-files) (get-some-files against)))]
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[check-results
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(lmap (fn [check] (check-files toscan check)) *checks*)]
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[exit-code (max-code check-results)]
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[messages (flatten (message-bodies check-results))]]
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(do
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(for [line messages] (print line))
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(call-git ["reset" "--hard"])
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(call-git ["stash" "pop" "--quiet" "--index"])
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exit-code))))
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; That magic number below is what git requires when the repository is
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; completely empty.
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(defn get-head-tag []
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(let [[(, out err returncode) (get-git ["rev-parse" "--verify HEAD"])]]
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(if err "4b825dc642cb6eb9a060e54bf8d69288fbee4904" "HEAD")))
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(defmain [&rest args]
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(sys.exit
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(scan
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(and (> (len args) 1)
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(= (get args 2) "--all-files"))
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(get-head-tag))))
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@ -0,0 +1,153 @@
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from hy.core.language import filter, flatten, is_integer, map, reduce
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VERSION = '0.0.2'
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import os
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import re
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import subprocess
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import sys
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CONFIG_PATH = os.path.join(os.environ.get('GIT_DIR', './.git'), 'pccs')
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MODIFIED = re.compile('^[MA]\\s+(?P<name>.*)$')
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CHECKS = [{'output': 'Running Jshint...', 'command': 'jshint -c {config_path}/jshint.rc {filename}', 'match_files': ['.*\\.js$'], 'print_filename': False, 'error_condition': 'error', }, {'output': 'Running Coffeelint...', 'command': 'coffeelint {filename}', 'match_files': ['.*\\.coffee$'], 'print_filename': False, 'error_condition': 'error', }, {'output': 'Running JSCS...', 'command': 'jscs -c {config_path}/jscs.rc {filename}', 'match_files': ['.*\\.js$'], 'print_filename': False, 'error_condition': 'error', }, {'output': 'Running pep8...', 'command': 'pep8 -r --ignore=E501,W293,W391 {filename}', 'match_files': ['.*\\.py$'], 'print_filename': False, 'error_condition': 'error', }, {'output': 'Running xmllint...', 'command': 'xmllint {filename}', 'match_files': ['.*\\.xml'], 'print_filename': False, 'error_condition': 'error', }]
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def get_git(cmd):
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def _hy_anon_fn_1():
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fullcmd = (['git'] + cmd)
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process = subprocess.Popen(fullcmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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(out, err) = process.communicate()
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(out, err)
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return (out, err, process.returncode)
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return _hy_anon_fn_1()
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def call_git(cmd):
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def _hy_anon_fn_3():
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fullcmd = (['git'] + cmd)
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return subprocess.call(fullcmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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return _hy_anon_fn_3()
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def get_cmd(cmd):
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def _hy_anon_fn_5():
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process = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
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(out, err) = process.communicate()
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(out, err)
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return (out, err, process.returncode)
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return _hy_anon_fn_5()
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def max_code(code_pairs):
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def _hy_anon_fn_7(m, i):
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return (i[0] if (abs(i[0]) > abs(m)) else m)
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return reduce(_hy_anon_fn_7, code_pairs, 0)
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def message_bodies(code_pairs):
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def _hy_anon_fn_9(i):
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return i[1]
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return lmap(_hy_anon_fn_9, code_pairs)
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def matches_file(filename, match_files):
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def _hy_anon_fn_11(match_file):
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return re.compile(match_file).match(filename)
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return any(map(_hy_anon_fn_11, match_files))
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def lmap(pred, iter):
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return list(map(pred, iter))
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def run_external_checker(filename, check):
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def _hy_anon_fn_16():
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cmd = check['command'].format(filename=filename, config_path=CONFIG_PATH)
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(out, err, returncode) = get_cmd(cmd)
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(out, err, returncode)
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if ((out and (check.get('error_condition', 'error') == 'output')) or err or (not (returncode == 0))):
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def _hy_anon_fn_15():
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prefix = ('\t{}:'.format(filename) if check['print_filename'] else '\t')
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def _hy_anon_fn_14(line):
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return '{}{}'.format(prefix, line.decode('utf-8'))
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output = (lmap(_hy_anon_fn_14, out.splitlines()) + ([err] if err else []))
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return [(returncode or 1), output]
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_hy_anon_var_1 = _hy_anon_fn_15()
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else:
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_hy_anon_var_1 = [0, []]
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return _hy_anon_var_1
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return _hy_anon_fn_16()
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def check_file(filename, check):
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return ([0, []] if (('match_files' in check) and (not matches_file(filename, check['match_files']))) else ([0, []] if (('ignore_files' in check) and matches_file(filename, check['ignore_files'])) else (run_external_checker(filename, check) if True else None)))
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def check_files(filenames, check):
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def _hy_anon_fn_20():
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def _hy_anon_fn_19(filename):
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return check_file(filename, check)
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scan_results = lmap(_hy_anon_fn_19, filenames)
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messages = ([check['output']] + message_bodies(scan_results))
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return [max_code(scan_results), messages]
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return _hy_anon_fn_20()
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def get_all_files():
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def _hy_anon_fn_24():
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def build_filenames(filenames):
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def _hy_anon_fn_22(f):
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return os.path.join(filenames[0], f)
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return map(_hy_anon_fn_22, filenames[2])
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return flatten([build_filenames(o) for o in os.walk('.')])
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return _hy_anon_fn_24()
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def get_some_files(against):
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def _hy_anon_fn_28():
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(out, err, returncode) = get_git(['diff-index', '--name-status', against])
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(out, err, returncode)
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lines = out.splitlines()
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def matcher(line):
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return MODIFIED.match(line.decode('utf-8'))
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def _hy_anon_fn_27(x):
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return (not (x == ''))
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return filter(_hy_anon_fn_27, [match.group('name') for match in map(matcher, lines) if match])
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return _hy_anon_fn_28()
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def scan(all_files, against):
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call_git(['stash', '--keep-index'])
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def _hy_anon_fn_31():
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toscan = list((get_all_files() if all_files else get_some_files(against)))
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def _hy_anon_fn_30(check):
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return check_files(toscan, check)
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check_results = lmap(_hy_anon_fn_30, CHECKS)
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exit_code = max_code(check_results)
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messages = flatten(message_bodies(check_results))
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for line in messages:
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print(line)
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call_git(['reset', '--hard'])
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call_git(['stash', 'pop', '--quiet', '--index'])
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return exit_code
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return _hy_anon_fn_31()
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|
||||||
|
def get_head_tag():
|
||||||
|
|
||||||
|
def _hy_anon_fn_33():
|
||||||
|
(out, err, returncode) = get_git(['rev-parse', '--verify HEAD'])
|
||||||
|
(out, err, returncode)
|
||||||
|
return ('4b825dc642cb6eb9a060e54bf8d69288fbee4904' if err else 'HEAD')
|
||||||
|
return _hy_anon_fn_33()
|
||||||
|
|
||||||
|
def main(*args):
|
||||||
|
return sys.exit(scan(((len(args) > 1) and (args[2] == '--all-files')), get_head_tag()))
|
||||||
|
if (__name__ == '__main__'):
|
||||||
|
import sys
|
||||||
|
:G_1235 = main(*sys.argv)
|
||||||
|
_hy_anon_var_2 = (sys.exit(:G_1235) if is_integer(:G_1235) else None)
|
||||||
|
else:
|
||||||
|
_hy_anon_var_2 = None
|
Loading…
Reference in New Issue