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Print the absolute value of an integer.
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Return 0 if a nameref array contains the given value, otherwise 1.
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Prompt until the user answers y/yes or n/no. Echoes 1 for yes and 0 for no.
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Turn on errexit, nounset, pipefail, and a safer IFS, plus xtrace when DEBUG is set.
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Print a line padded so the text sits in the middle of the terminal width.
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Exit with an error if any name in COMMANDS is missing from PATH.
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Coloured error, warning, and success lines
Print messages in red, yellow, or green when the terminal supports colour.
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Common set options for robust scripts
Enable errexit, errtrace, nounset, pipefail, and xtrace.
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Compare dotted version strings
Return a negative number, zero, or a positive number for less, equal, or greater.
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Compare two numeric version strings. Returns 0 if equal, 1 if the first is greater, 2 if less.
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Print a message and return 0 on y/yes, 1 otherwise (default N).
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Sleep for N seconds while rewriting a message that can include $seconds.
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Remove all local tags, then delete the same names on origin.
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Tell whether stdout is a terminal, a pipe, or a redirection.
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Extract a numeric version from text
Pull the first run of digits and dots out of a string.
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Print the top-level directory of a git repo, or an error if the path is not a repo.
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Track worker PIDs and thread IDs, and kill children that exceed PATIENCE.
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Run Parallel::ForkManager jobs and kill any child that exceeds PATIENCE seconds.
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Join array values with a separator, optionally using a different separator before the last item.
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Return the greater of two comparable values.
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Return the lesser of two comparable values.
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Return the expanded path of an executable, or not installed.
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Return the value for a key, with an optional case-insensitive variant.
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Return 1st, 2nd, 3rd, 11th, and so on for an integer.
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Partition an array into N groups
Split a list into p slices, spreading the remainder across the first groups.
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Wait for Enter before continuing; exit 0 on EOF.
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Send a webhook payload with an optional channel and username.
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Walk caller frames from the current function back toward main.
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Print the version from terraform --version, or exit if Terraform is missing.
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Record how a script was invoked
Set path, name, sourced-or-not, and argument variables for the current script.
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Replace placeholders from an associative array
Substitute each key in a nameref map with its value inside a file.
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Re-run a block with exponential backoff until it succeeds or hits a limit.
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Re-call a function with exponential backoff until it succeeds or hits a limit.
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Re-run a command with exponential backoff until it succeeds or hits a limit.
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Rollback stack on interrupt or error
Push cleanup functions onto a LIFO stack and run them if INT, TERM, or EXIT fires.
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Transpose a matrix and reverse each row to rotate it clockwise.
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Run a command and capture output
Execute a argv list and return status, stdout, and stderr.
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Print, execute, and report a non-zero status; pause when interactive.
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Use sudo -i to run librarian-puppet in the production Puppet environment without editing sudoers.
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Turn a second count into days, hours, minutes, and seconds.
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Format an integer number of seconds as a zero-padded hours, minutes, and seconds string.
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Populate tput colour variables when stdout is a colour-capable terminal.
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Silent mode with a forced-output helper
When VERBOSE is false, send stdout and stderr to /dev/null, and still print forced messages.
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Simple Parallel::ForkManager pool
Fork a fixed number of workers and wait for them to finish.
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Return 0 if the first string contains the second, otherwise 1.
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Test whether a directory is a git work tree
Return 0 if the current or given directory is inside a git work tree.
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