Simon Law 8327e27bfa util/def: add functions that provide defaults for envvars ...

This patch adds def.Getenv and def.GetenvBool to provide defaults for
environment variables that are unset or blank or invalid. This
replaces the implementations of defaultEnv and defaultBool in
cmd/containerboot and cmd/k8s-operator.

However, the implementation of defaultBool in cmd/k8s-operator was
actually buggy and wouldn’t fall back to the default if the
environment contained a non-boolean value. This patch fixes this.

Updates #20018

Signed-off-by: Simon Law <[email protected]>

2026-06-16 16:56:39 -07:00

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backoff

all: remove AUTHORS file and references to it

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bufiox

derp,types,util: use bufio Peek+Discard for allocation-free fast reads (#19067)

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checkchange

all: remove AUTHORS file and references to it

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cibuild

util/cibuild, cache_key_test: skip TestTsgoRevInCacheKey outside Tailscale CI

2026-05-14 15:55:05 -07:00

clientmetric

all: fix six tests that failed with -count=2

2026-04-13 18:52:57 -07:00

cloudenv

all: remove AUTHORS file and references to it

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cloudinfo

all: remove AUTHORS file and references to it

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cmpver

cmd/vet: add subtestnames analyzer; fix all existing violations

2026-04-05 15:52:51 -07:00

codegen

all: remove AUTHORS file and references to it

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ctxkey

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deephash

cmd/vet/lowerell, drive/driveimpl: forbid variables named "l" or "I"

2026-05-04 14:03:28 -07:00

def

util/def: add functions that provide defaults for envvars

2026-06-16 16:56:39 -07:00

dirwalk

all: remove AUTHORS file and references to it

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dnsname

all: use Go 1.26 things, run most gofix modernizers

2026-03-06 13:32:03 -08:00

eventbus

ipn/ipnlocal: add back a watchdog after earlier removal from engine

2026-06-02 11:57:12 -07:00

execqueue

all: remove AUTHORS file and references to it

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goroutines

all: use Go 1.26 things, run most gofix modernizers

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groupmember

all: remove AUTHORS file and references to it

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hashx

all: use Go 1.26 things, run most gofix modernizers

2026-03-06 13:32:03 -08:00

httphdr

all: use Go 1.26 things, run most gofix modernizers

2026-03-06 13:32:03 -08:00

httpm

util/httpm: open .git/index to defeat Go test caching

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limiter

all: remove AUTHORS file and references to it

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lineiter

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lineread

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linuxfw

go.mod,wgengine/magicsock: pull wireguard-go fix for roaming endpoints (#20118)

2026-06-12 10:50:35 -07:00

lru

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mak

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multierr

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must

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nocasemaps

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osdiag

util/osdiag: fix typo in comment (reciever -> receiver)

2026-03-23 12:54:38 +00:00

osshare

all: remove AUTHORS file and references to it

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osuser

util/osuser: extend id command fallback for group IDs to freebsd

2026-03-09 08:39:07 +00:00

precompress

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progresstracking

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prompt

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qrcodes

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quarantine

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race

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racebuild

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rands

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reload

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ringlog

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safediff

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set

all: use Go 1.26 things, run most gofix modernizers

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singleflight

all: use Go 1.26 things, run most gofix modernizers

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slicesx

all: use Go 1.26 things, run most gofix modernizers

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stringsx

all: remove AUTHORS file and references to it

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syspolicy

cmd/vet: add subtestnames analyzer; fix all existing violations

2026-04-05 15:52:51 -07:00

testenv

all: remove AUTHORS file and references to it

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truncate

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usermetric

all: remove AUTHORS file and references to it

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vizerror

all: use Go 1.26 things, run most gofix modernizers

2026-03-06 13:32:03 -08:00

winutil

util/winutil/gp: deflake TestGroupPolicyReadLockClose

2026-05-05 14:02:35 -07:00

zstdframe

all: use Go 1.26 things, run most gofix modernizers

2026-03-06 13:32:03 -08:00