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-rw-r--r--scripts/lintcommit.lua184
1 files changed, 103 insertions, 81 deletions
diff --git a/scripts/lintcommit.lua b/scripts/lintcommit.lua
index 4aee47b10d..11ad8eb9ef 100644
--- a/scripts/lintcommit.lua
+++ b/scripts/lintcommit.lua
@@ -1,7 +1,16 @@
-- Usage:
--- nvim -es +'luafile scripts/lintcommit.lua'
+-- # verbose
+-- nvim -es +"lua require('scripts.lintcommit').main()"
+--
+-- # silent
+-- nvim -es +"lua require('scripts.lintcommit').main({trace=false})"
+--
+-- # self-test
+-- nvim -es +"lua require('scripts.lintcommit')._test()"
+
+local M = {}
-local trace = true
+local _trace = false
-- Print message
local function p(s)
@@ -19,7 +28,7 @@ end
--
-- Prints `cmd` if `trace` is enabled.
local function run(cmd, or_die)
- if trace then
+ if _trace then
p('run: '..vim.inspect(cmd))
end
local rv = vim.trim(vim.fn.system(cmd)) or ''
@@ -33,25 +42,25 @@ local function run(cmd, or_die)
return rv
end
-local function commit_message_is_ok(commit_message)
+-- Returns nil if the given commit message is valid, or returns a string
+-- message explaining why it is invalid.
+local function validate_commit(commit_message)
local commit_split = vim.split(commit_message, ":")
-- Return true if the type is vim-patch since most of the normal rules don't
-- apply.
if commit_split[1] == "vim-patch" then
- return true
+ return nil
end
-- Check that message isn't too long.
if commit_message:len() > 80 then
- p([[Commit message is too long, a maximum of 80 characters is allowed.]])
- return false
+ return [[Commit message is too long, a maximum of 80 characters is allowed.]]
end
- -- Return false if no colons are detected.
+
if vim.tbl_count(commit_split) < 2 then
- p([[Commit message does not include colons.]])
- return false
+ return [[Commit message does not include colons.]]
end
local before_colon = commit_split[1]
@@ -64,39 +73,41 @@ local function commit_message_is_ok(commit_message)
-- Check if type is correct
local type = vim.split(before_colon, "%(")[1]
- local allowed_types = {"build", "ci", "docs", "feat", "fix", "perf", "refactor", "revert", "test", "chore"}
+ local allowed_types = {'build', 'ci', 'docs', 'feat', 'fix', 'perf', 'refactor', 'revert', 'test', 'chore', 'vim-patch'}
if not vim.tbl_contains(allowed_types, type) then
- p([[Commit type is not recognized. Allowed types are: build, ci, docs, feat, fix, perf, refactor, revert, test, chore.]])
- return false
+ return string.format(
+ 'Invalid commit type "%s". Allowed types are:\n %s',
+ type,
+ vim.inspect(allowed_types))
end
-- Check if scope is empty
if before_colon:match("%(") then
local scope = vim.trim(before_colon:match("%((.*)%)"))
if scope == '' then
- p([[Scope can't be empty.]])
- return false
+ return [[Scope can't be empty.]]
end
end
-- Check that description doesn't end with a period
if vim.endswith(after_colon, ".") then
- p([[Description ends with a period (\".\").]])
- return false
+ return [[Description ends with a period (\".\").]]
end
-- Check that description has exactly one whitespace after colon, followed by
-- a lowercase letter and then any number of letters.
if not string.match(after_colon, '^ %l%a*') then
- p([[There should be one whitespace after the colon and the first letter should lowercase.]])
- return false
+ return [[There should be one whitespace after the colon and the first letter should lowercase.]]
end
- return true
+ return nil
end
-local function main()
+function M.main(opt)
+ _trace = not opt or not not opt.trace
+
local branch = run({'git', 'branch', '--show-current'}, true)
+ -- TODO(justinmk): check $GITHUB_REF
local ancestor = run({'git', 'merge-base', 'origin/master', branch})
if not ancestor then
ancestor = run({'git', 'merge-base', 'upstream/master', branch})
@@ -108,76 +119,87 @@ local function main()
table.insert(commits, substring)
end
- for _, commit_hash in ipairs(commits) do
- local message = run({'git', 'show', '-s', '--format=%s' , commit_hash})
+ local failed = 0
+ for _, commit_id in ipairs(commits) do
+ local msg = run({'git', 'show', '-s', '--format=%s' , commit_id})
if vim.v.shell_error ~= 0 then
- p('Invalid commit-id: '..commit_hash..'"')
- elseif not commit_message_is_ok(message) then
- p('Invalid commit format: '..message)
- die()
+ p('Invalid commit-id: '..commit_id..'"')
+ else
+ local invalid_msg = validate_commit(msg)
+ if invalid_msg then
+ failed = failed + 1
+ p(string.format([[
+Invalid commit message: "%s"
+ Commit: %s
+ %s
+ See also:
+ https://github.com/neovim/neovim/blob/master/CONTRIBUTING.md#commit-messages
+ https://www.conventionalcommits.org/en/v1.0.0/
+]],
+ msg,
+ commit_id,
+ invalid_msg))
+ end
end
end
-end
-local function _test()
- local good_messages = {
- "ci: normal message",
- "build: normal message",
- "docs: normal message",
- "feat: normal message",
- "fix: normal message",
- "perf: normal message",
- "refactor: normal message",
- "revert: normal message",
- "test: normal message",
- "chore: normal message",
- "ci(window): message with scope",
- "ci!: message with breaking change",
- "ci(tui)!: message with scope and breaking change",
- "vim-patch:8.2.3374: Pyret files are not recognized (#15642)",
- "vim-patch:8.1.1195,8.2.{3417,3419}",
- }
+ if failed > 0 then
+ die() -- Exit with error.
+ else
+ p('')
+ end
+end
- local bad_messages = {
- ":no type before colon 1",
- " :no type before colon 2",
- " :no type before colon 3",
- "ci(empty description):",
- "ci(whitespace as description): ",
- "docs(multiple whitespaces as description): ",
- "ci no colon after type",
- "test: extra space after colon",
- "ci: tab after colon",
- "ci:no space after colon",
- "ci :extra space before colon",
- "refactor(): empty scope",
- "ci( ): whitespace as scope",
- "chore: period at end of sentence.",
- "ci: Starting sentence capitalized",
- "unknown: using unknown type",
- "chore: you're saying this commit message just goes on and on and on and on and on and on for way too long?",
+function M._test()
+ -- message:expected_result
+ local test_cases = {
+ ['ci: normal message'] = true,
+ ['build: normal message'] = true,
+ ['docs: normal message'] = true,
+ ['feat: normal message'] = true,
+ ['fix: normal message'] = true,
+ ['perf: normal message'] = true,
+ ['refactor: normal message'] = true,
+ ['revert: normal message'] = true,
+ ['test: normal message'] = true,
+ ['chore: normal message'] = true,
+ ['ci(window): message with scope'] = true,
+ ['ci!: message with breaking change'] = true,
+ ['ci(tui)!: message with scope and breaking change'] = true,
+ ['vim-patch:8.2.3374: Pyret files are not recognized (#15642)'] = true,
+ ['vim-patch:8.1.1195,8.2.{3417,3419}'] = true,
+ [':no type before colon 1'] = false,
+ [' :no type before colon 2'] = false,
+ [' :no type before colon 3'] = false,
+ ['ci(empty description):'] = false,
+ ['ci(whitespace as description): '] = false,
+ ['docs(multiple whitespaces as description): '] = false,
+ ['ci no colon after type'] = false,
+ ['test: extra space after colon'] = false,
+ ['ci: tab after colon'] = false,
+ ['ci:no space after colon'] = false,
+ ['ci :extra space before colon'] = false,
+ ['refactor(): empty scope'] = false,
+ ['ci( ): whitespace as scope'] = false,
+ ['chore: period at end of sentence.'] = false,
+ ['ci: Starting sentence capitalized'] = false,
+ ['unknown: using unknown type'] = false,
+ ['chore: you\'re saying this commit message just goes on and on and on and on and on and on for way too long?'] = false,
}
- p('Messages expected to pass:')
-
- for _, message in ipairs(good_messages) do
- if commit_message_is_ok(message) then
- p('[ PASSED ] : '..message)
- else
- p('[ FAIL ] : '..message)
+ local failed = 0
+ for message, expected in pairs(test_cases) do
+ local is_valid = (nil == validate_commit(message))
+ if is_valid ~= expected then
+ failed = failed + 1
+ p(string.format('[ FAIL ]: expected=%s, got=%s\n input: "%s"', expected, is_valid, message))
end
end
- p("Messages expected to fail:")
-
- for _, message in ipairs(bad_messages) do
- if commit_message_is_ok(message) then
- p('[ PASSED ] : '..message)
- else
- p('[ FAIL ] : '..message)
- end
+ if failed > 0 then
+ die() -- Exit with error.
end
+
end
--- _test()
-main()
+return M