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Diffstat (limited to 'locale/pt/LC_MESSAGES/_tils/2020-12-15-awk-snippet-shellcheck-all-scripts-in-a-repository.po')
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1 files changed, 0 insertions, 240 deletions
diff --git a/locale/pt/LC_MESSAGES/_tils/2020-12-15-awk-snippet-shellcheck-all-scripts-in-a-repository.po b/locale/pt/LC_MESSAGES/_tils/2020-12-15-awk-snippet-shellcheck-all-scripts-in-a-repository.po deleted file mode 100644 index e671224..0000000 --- a/locale/pt/LC_MESSAGES/_tils/2020-12-15-awk-snippet-shellcheck-all-scripts-in-a-repository.po +++ /dev/null @@ -1,240 +0,0 @@ -# -msgid "" -msgstr "" - -msgid "" -"Inspired by Fred Herbert's \"[Awk in 20 Minutes](https://ferd.ca/awk-" -"in-20-minutes.html)\", here's a problem I just solved with a line of Awk: " -"run ShellCheck in all scripts of a repository." -msgstr "" - -msgid "" -"In my repositories I usually have Bash and POSIX scripts, which I want to " -"keep tidy with [ShellCheck](https://www.shellcheck.net/). Here's the first " -"version of `assert-shellcheck.sh`:" -msgstr "" - -msgid "" -"This is the type of script that I copy around to all repositories, and I " -"want it to be capable of working on any repository, without requiring a list" -" of files to run ShellCheck on." -msgstr "" - -msgid "" -"This first version worked fine, as all my scripts had the '.sh' ending. But " -"I recently added some scripts without any extension, so `assert-" -"shellcheck.sh` called for a second version. The first attempt was to try " -"grepping the shebang line:" -msgstr "" - -msgid "" -"$ grep '^#!/' assert-shellcheck.sh\n" -"#!/usr/sh\n" -msgstr "" - -msgid "" -"Good, we have a grep pattern on the first try. Let's try to find all the " -"matching files:" -msgstr "" - -msgid "" -"$ find . -type f | xargs grep -l '^#!/'\n" -"./TODOs.org\n" -"./.git/hooks/pre-commit.sample\n" -"./.git/hooks/pre-push.sample\n" -"./.git/hooks/pre-merge-commit.sample\n" -"./.git/hooks/fsmonitor-watchman.sample\n" -"./.git/hooks/pre-applypatch.sample\n" -"./.git/hooks/pre-push\n" -"./.git/hooks/prepare-commit-msg.sample\n" -"./.git/hooks/commit-msg.sample\n" -"./.git/hooks/post-update.sample\n" -"./.git/hooks/pre-receive.sample\n" -"./.git/hooks/applypatch-msg.sample\n" -"./.git/hooks/pre-rebase.sample\n" -"./.git/hooks/update.sample\n" -"./build-aux/with-guile-env.in\n" -"./build-aux/test-driver\n" -"./build-aux/missing\n" -"./build-aux/install-sh\n" -"./build-aux/install-sh~\n" -"./bootstrap\n" -"./scripts/assert-todos.sh\n" -"./scripts/songbooks\n" -"./scripts/compile-readme.sh\n" -"./scripts/ci-build.sh\n" -"./scripts/generate-tasks-and-bugs.sh\n" -"./scripts/songbooks.in\n" -"./scripts/with-container.sh\n" -"./scripts/assert-shellcheck.sh\n" -msgstr "" - -msgid "" -"This approach has a problem, though: it includes files ignored by Git, such " -"as `builld-aux/install-sh~`, and even goes into the `.git/` directory and " -"finds sample hooks in `.git/hooks/*`." -msgstr "" - -msgid "To list the files that Git is tracking we'll try `git ls-files`:" -msgstr "" - -msgid "" -"$ git ls-files | xargs grep -l '^#!/'\n" -"TODOs.org\n" -"bootstrap\n" -"build-aux/with-guile-env.in\n" -"old/scripts/assert-docs-spelling.sh\n" -"old/scripts/build-site.sh\n" -"old/scripts/builder.bats.sh\n" -"scripts/assert-shellcheck.sh\n" -"scripts/assert-todos.sh\n" -"scripts/ci-build.sh\n" -"scripts/compile-readme.sh\n" -"scripts/generate-tasks-and-bugs.sh\n" -"scripts/songbooks.in\n" -"scripts/with-container.sh\n" -msgstr "" - -msgid "" -"It looks to be almost there, but the `TODOs.org` entry shows a flaw in it: " -"grep is looking for a `'^#!/'` pattern on any part of the file. In my case, " -"`TODOs.org` had a snippet in the middle of the file where a line started " -"with `#!/bin/sh`." -msgstr "" - -msgid "" -"So what we actually want is to match the **first** line against the pattern." -" We could loop through each file, get the first line with `head -n 1` and " -"grep against that, but this is starting to look messy. I bet there is " -"another way of doing it concisely..." -msgstr "" - -msgid "" -"Let's try Awk. I need a way to select the line numbers to replace `head -n " -"1`, and to stop processing the file if the pattern matches. A quick search " -"points me to using `FNR` for the former, and `{ nextline }` for the latter. " -"Let's try it:" -msgstr "" - -msgid "" -"$ git ls-files | xargs awk 'FNR>1 { nextfile } /^#!\\// { print FILENAME; nextfile }'\n" -"bootstrap\n" -"build-aux/with-guile-env.in\n" -"old/scripts/assert-docs-spelling.sh\n" -"old/scripts/build-site.sh\n" -"old/scripts/builder.bats.sh\n" -"scripts/assert-shellcheck.sh\n" -"scripts/assert-todos.sh\n" -"scripts/ci-build.sh\n" -"scripts/compile-readme.sh\n" -"scripts/generate-tasks-and-bugs.sh\n" -"scripts/songbooks.in\n" -"scripts/with-container.sh\n" -msgstr "" - -msgid "" -"Great! Only `TODOs.org` is missing, but the script is much better: instead " -"of matching against any part of the file that may have a shebang-like line, " -"we only look for the first. Let's put it back into the `assert-" -"shellcheck.sh` file and use `NULL` for separators to accommodate files with " -"spaces in the name:" -msgstr "" - -msgid "" -"This is where I've stopped, but I imagine a likely improvement: match " -"against only `#!/bin/sh` and `#!/usr/bin/env bash` shebangs (the ones I use " -"most), to avoid running ShellCheck on Perl files, or other shebangs." -msgstr "" - -msgid "" -"Also when reviewing the text of this article, I found that `{ nextfile }` is" -" a GNU Awk extension. It would be an improvement if `assert-shellcheck.sh` " -"relied on the POSIX subset of Awk for working correctly." -msgstr "" - -msgid "title: 'Awk snippet: ShellCheck all scripts in a repository'" -msgstr "" - -msgid "date: 2020-12-15" -msgstr "" - -msgid "layout: post" -msgstr "" - -msgid "lang: en" -msgstr "" - -msgid "ref: awk-snippet-shellcheck-all-scripts-in-a-repository" -msgstr "" - -msgid "*Update*" -msgstr "" - -msgid "" -"After publishing, I could remove `{ nextfile }` and even make the script " -"simpler:" -msgstr "" - -msgid "Now both the shell and Awk usage are POSIX compatible." -msgstr "" - -msgid "eu_categories: shell" -msgstr "" - -msgid "updated_at: 2020-12-16" -msgstr "" - -msgid "" -"#!/bin/sh -eux\n" -"\n" -"find . -type f -name '*.sh' -print0 | xargs -0 shellcheck\n" -msgstr "" - -msgid "" -"#!/usr/sh -eux\n" -"\n" -"git ls-files -z | \\\n" -" xargs -0 awk 'FNR>1 { nextfile } /^#!\\// { print FILENAME; nextfile }' | \\\n" -" xargs shellcheck\n" -msgstr "" - -msgid "" -"#!/usr/sh -eux\n" -"\n" -"git ls-files -z | \\\n" -" xargs -0 awk 'FNR==1 && /^#!\\// { print FILENAME }' | \\\n" -" xargs shellcheck\n" -msgstr "" - -#~ msgid "" -#~ "#!/bin/sh\n" -#~ "set -eu\n" -#~ "\n" -#~ "find . -type f -name '*.sh' -print0 | xargs -0 shellcheck\n" -#~ msgstr "" - -#~ msgid "" -#~ "#!/usr/sh\n" -#~ "set -eu\n" -#~ "\n" -#~ "git ls-files -z | \\\n" -#~ " xargs -0 awk 'FNR>1 { nextfile } /^#!\\// { print FILENAME; nextfile }' | \\\n" -#~ " xargs shellcheck\n" -#~ msgstr "" - -#~ msgid "" -#~ "#!/usr/sh\n" -#~ "set -eu\n" -#~ "\n" -#~ "git ls-files -z | \\\n" -#~ " xargs -0 awk 'FNR==1 && /^#!\\// { print FILENAME }' | \\\n" -#~ " xargs shellcheck\n" -#~ msgstr "" - -#~ msgid "" -#~ "title: 'Awk snippet: ShellCheck all scripts in a repository'\n" -#~ "date: 2020-12-15\n" -#~ "layout: post\n" -#~ "lang: en\n" -#~ "ref: awk-snippet-shellcheck-all-scripts-in-a-repository" -#~ msgstr "" |