Homebrew Environment Configuration Events (90 days)

/api/analytics/homebrew-env-config/90d.json (JSON API)

Start Date: 2026-05-14

Total Variables: 160

Total Events: 51695490

Each event samples one randomly-chosen configuration variable from a brew run and records whether the user left it unset, set it to its default value or set it to a non-default value. Variables Homebrew exports itself (e.g. HOMEBREW_EDITOR from EDITOR) count as unset. Values are never recorded.

Environment Variable Default Value Set (non-default) Set (default) Unset Events Set (non-default) %
#1 HOMEBREW_UPDATE_TO_TAG 22,711 0 302,394 325,105 6.99%
#2 HOMEBREW_NO_AUTO_UPDATE 22,193 0 303,348 325,541 6.82%
#3 SUDO_ASKPASS 8,192 0 316,096 324,288 2.53%
#4 HOMEBREW_NO_ENV_HINTS 6,316 0 318,869 325,185 1.94%
#5 HOMEBREW_GITHUB_API_TOKEN 5,877 0 319,623 325,500 1.81%
#6 HOMEBREW_BOTTLE_DOMAIN `https://ghcr.io/v2/homebrew/core`. 4,876 0 320,710 325,586 1.50%
#7 HOMEBREW_NO_INSTALL_CLEANUP 4,491 0 320,218 324,709 1.38%
#8 HOMEBREW_API_DOMAIN `https://formulae.brew.sh/api`. 4,059 25 321,060 325,144 1.25%
#9 https_proxy 3,773 0 320,539 324,312 1.16%
#10 http_proxy 3,763 0 320,855 324,618 1.16%
#11 HOMEBREW_NO_COLOR `$NO_COLOR`. 3,672 0 320,735 324,407 1.13%
#12 HOMEBREW_CLEANUP_PERIODIC_FULL_DAYS `30`. 3,548 2 321,616 325,166 1.09%
#13 HOMEBREW_NO_INSTALL_FROM_API 3,235 0 321,178 324,413 1%
#14 no_proxy 3,094 0 321,102 324,196 0.95%
#15 HOMEBREW_EDITOR `$EDITOR` or `$VISUAL`. 2,940 0 322,466 325,406 0.90%
#16 HOMEBREW_PIP_INDEX_URL `https://pypi.org/simple`. 2,854 0 321,418 324,272 0.88%
#17 HOMEBREW_NO_ASK 2,680 0 322,396 325,076 0.82%
#18 HOMEBREW_CASK_OPTS 2,605 0 322,328 324,933 0.80%
#19 HOMEBREW_DISPLAY `$DISPLAY`. 2,488 0 322,565 325,053 0.77%
#20 HOMEBREW_DEVELOPER 2,142 0 321,910 324,052 0.66%
#21 HOMEBREW_CACHE macOS: `~/Library/Caches/Homebrew`, Linux: `$XDG_CACHE_HOME/Homebrew` or `~/.cache/Homebrew`. 1,868 46,501 278,974 327,343 0.57%
#22 HOMEBREW_BREW_GIT_REMOTE `https://github.com/Homebrew/brew`. 1,756 41,128 284,290 327,174 0.54%
#23 HOMEBREW_FORBIDDEN_OWNER `you`. 1,701 0 323,102 324,803 0.52%
#24 all_proxy 1,681 0 322,400 324,081 0.52%
#25 HOMEBREW_TEMP macOS: `/private/tmp`, Linux: `/var/tmp`. 1,242 41,769 283,521 326,532 0.38%
#26 HOMEBREW_CORE_GIT_REMOTE `https://github.com/Homebrew/homebrew-core`. 1,218 41,239 284,224 326,681 0.37%
#27 HOMEBREW_GIT_PATH `git`. 1,150 0 324,736 325,886 0.35%
#28 HOMEBREW_SYSTEM_ENV_TAKES_PRIORITY 1,150 0 324,783 325,933 0.35%
#29 HOMEBREW_INSTALL_BADGE The "Beer Mug" emoji. 1,140 5 323,799 324,944 0.35%
#30 HOMEBREW_FORCE_BREW_WRAPPER 1,101 0 322,743 323,844 0.34%
#31 HOMEBREW_FORCE_BREW_WRAPPER_HELP_MESSAGE 1,077 0 324,604 325,681 0.33%
#32 HOMEBREW_NO_REQUIRE_TAP_TRUST 1,049 0 323,823 324,872 0.32%
#33 HOMEBREW_DISABLE_DEBREW 1,007 0 323,809 324,816 0.31%
#34 HOMEBREW_FORBIDDEN_CASKS 916 0 324,399 325,315 0.28%
#35 HOMEBREW_BROWSER `$BROWSER` or the OS's default browser. 856 0 323,221 324,077 0.26%
#36 HOMEBREW_COLOR 838 0 325,127 325,965 0.26%
#37 HOMEBREW_FORBIDDEN_FORMULAE 751 0 324,146 324,897 0.23%
#38 HOMEBREW_LOGS macOS: `~/Library/Logs/Homebrew`, Linux: `${XDG_CACHE_HOME}/Homebrew/Logs` or `~/.cache/Homebrew/Logs`. 737 46,488 279,730 326,955 0.23%
#39 HOMEBREW_FORBIDDEN_OWNER_CONTACT 721 0 325,166 325,887 0.22%
#40 HOMEBREW_AUTO_UPDATE_SECS `86400` (24 hours), `3600` (1 hour) if a developer command has been run or `300` (5 minutes) if `$HOMEBREW_NO_INSTALL_FROM_API` is set. 710 216 323,262 324,188 0.22%
#41 HOMEBREW_LOCK_CONTEXT 597 0 324,057 324,654 0.18%
#42 HOMEBREW_ARTIFACT_DOMAIN 538 0 323,468 324,006 0.17%
#43 HOMEBREW_FORBIDDEN_TAPS 532 0 324,262 324,794 0.16%
#44 ftp_proxy 407 0 324,024 324,431 0.13%
#45 HOMEBREW_NO_UPGRADE_AUTO_UPDATES_CASKS 390 0 323,478 323,868 0.12%
#46 HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK 383 5 324,632 325,020 0.12%
#47 HOMEBREW_DISPLAY_INSTALL_TIMES 335 0 324,466 324,801 0.10%
#48 HOMEBREW_CURL_PATH `curl`. 303 0 324,499 324,802 0.09%
#49 HOMEBREW_VERBOSE_USING_DOTS 281 0 325,348 325,629 0.09%
#50 HOMEBREW_DOCKER_REGISTRY_TOKEN 258 0 325,436 325,694 0.08%
#51 HOMEBREW_NO_SANDBOX_LINUX 253 0 324,176 324,429 0.08%
#52 HOMEBREW_SORBET_RUNTIME 245 0 324,784 325,029 0.08%
#53 HOMEBREW_CLEANUP_MAX_AGE_DAYS `120`. 229 0 324,492 324,721 0.07%
#54 HOMEBREW_ALLOWED_TAPS 226 0 325,293 325,519 0.07%
#55 HOMEBREW_VERIFY_ATTESTATIONS 220 0 324,125 324,345 0.07%
#56 HOMEBREW_CURLRC 216 0 325,548 325,764 0.07%
#57 HOMEBREW_NO_INSECURE_REDIRECT 213 0 324,637 324,850 0.07%
#58 HOMEBREW_SORBET_RECURSIVE 202 0 323,111 323,313 0.06%
#59 HOMEBREW_BAT_THEME `$BAT_THEME`. 175 0 325,291 325,466 0.05%
#60 HOMEBREW_NO_UPDATE_REPORT_NEW 163 0 324,904 325,067 0.05%
#61 HOMEBREW_CURL_RETRIES `3`. 148 292 323,616 324,056 0.05%
#62 HOMEBREW_DOWNLOAD_CONCURRENCY `auto`. 143 2,694 322,136 324,973 0.04%
#63 HOMEBREW_SSH_CONFIG_PATH `~/.ssh/config` 139 1 325,382 325,522 0.04%
#64 HOMEBREW_NO_INSTALL_UPGRADE 134 2 324,514 324,650 0.04%
#65 HOMEBREW_NO_EMOJI 122 0 325,476 325,598 0.04%
#66 HOMEBREW_FORCE_BREWED_CURL 120 0 325,204 325,324 0.04%
#67 HOMEBREW_GIT_NAME 106 0 324,550 324,656 0.03%
#68 HOMEBREW_API_AUTO_UPDATE_SECS `450`. 105 0 324,739 324,844 0.03%
#69 HOMEBREW_UPGRADE_GREEDY 99 2 323,959 324,060 0.03%
#70 HOMEBREW_DOCKER_REGISTRY_BASIC_AUTH_TOKEN 93 0 324,303 324,396 0.03%
#71 HOMEBREW_BAT 90 0 324,639 324,729 0.03%
#72 HOMEBREW_USE_INTERNAL_API 80 0 323,768 323,848 0.02%
#73 HOMEBREW_ARTIFACT_DOMAIN_NO_FALLBACK 80 0 324,504 324,584 0.02%
#74 HOMEBREW_NO_UPGRADE_QUIT_CASKS 76 0 324,793 324,869 0.02%
#75 HOMEBREW_GIT_EMAIL 74 0 324,548 324,622 0.02%
#76 HOMEBREW_NO_CLEANUP_FORMULAE 70 0 324,968 325,038 0.02%
#77 HOMEBREW_NO_GITHUB_API 58 0 325,826 325,884 0.02%
#78 HOMEBREW_UPGRADE_GREEDY_CASKS 54 0 324,682 324,736 0.02%
#79 HOMEBREW_MAKE_JOBS The number of available CPU cores. 48 26 324,383 324,457 0.01%
#80 HOMEBREW_FAIL_LOG_LINES `15`. 47 0 323,858 323,905 0.01%
#81 HOMEBREW_SIMULATE_MACOS_ON_LINUX 43 0 324,311 324,354 0.01%
#82 HOMEBREW_NO_VERIFY_ATTESTATIONS 40 0 323,989 324,029 0.01%
#83 HOMEBREW_GITHUB_PACKAGES_TOKEN 39 0 324,628 324,667 0.01%
#84 HOMEBREW_FORCE_BREWED_GIT 39 0 324,857 324,896 0.01%
#85 HOMEBREW_VERBOSE 35 0 325,376 325,411 0.01%
#86 HOMEBREW_FORCE_BREWED_CA_CERTIFICATES 31 0 324,899 324,930 0.01%
#87 HOMEBREW_BUNDLE_NO_JOBS 30 0 325,672 325,702 0.01%
#88 HOMEBREW_NO_PATH_SHADOW_CHECK 22 1 324,541 324,564 0.01%
#89 HOMEBREW_FORCE_VENDOR_RUBY 21 0 324,713 324,734 0.01%
#90 HOMEBREW_NO_AUTOREMOVE 21 0 325,043 325,064 0.01%
#91 HOMEBREW_FORBIDDEN_LICENSES 21 0 325,050 325,071 0.01%
#92 HOMEBREW_FORBID_CASKS 21 4 325,096 325,121 0.01%
#93 HOMEBREW_BUNDLE_NO_DESCRIBE 15 0 325,586 325,601 0%
#94 HOMEBREW_BUNDLE_DUMP_NO_VSCODE 13 0 324,111 324,124 0%
#95 HOMEBREW_BUNDLE_DUMP_NO_GO 12 0 325,112 325,124 0%
#96 HOMEBREW_BUNDLE_JOBS `auto`. 12 1 325,137 325,150 0%
#97 HOMEBREW_BUNDLE_DUMP_NO_NPM 12 0 325,268 325,280 0%
#98 HOMEBREW_BUNDLE_FORCE_INSTALL_CLEANUP 11 0 324,248 324,259 0%
#99 HOMEBREW_BUNDLE_INSTALL_CLEANUP 10 0 324,348 324,358 0%
#100 HOMEBREW_BAT_CONFIG_PATH `$BAT_CONFIG_PATH`. 9 0 325,002 325,011 0%
#101 HOMEBREW_FORCE_API_AUTO_UPDATE 8 0 324,276 324,284 0%
#102 HOMEBREW_BUNDLE_DUMP_NO_CARGO 7 0 324,120 324,127 0%
#103 HOMEBREW_EVAL_ALL 7 0 324,934 324,941 0%
#104 HOMEBREW_LIVECHECK_AUTOBUMP 7 0 324,985 324,992 0%
#105 HOMEBREW_BUNDLE_USER_CACHE 6 0 324,055 324,061 0%
#106 HOMEBREW_BUNDLE_DUMP_NO_KREW 5 0 324,630 324,635 0%
#107 HOMEBREW_FORMULA_POSTINSTALL_NETWORK 5 0 324,884 324,889 0%
#108 HOMEBREW_BUNDLE_DUMP_NO_UV 4 0 323,957 323,961 0%
#109 HOMEBREW_AVOID_NESTED_SANDBOXING 4 0 324,733 324,737 0%
#110 HOMEBREW_BUNDLE_DUMP_NO_FLATPAK 4 0 325,024 325,028 0%
#111 HOMEBREW_FORMULA_BUILD_NETWORK 4 0 325,403 325,407 0%
#112 HOMEBREW_GITHUB_PACKAGES_USER 3 0 324,828 324,831 0%
#113 HOMEBREW_GIT_COMMITTER_NAME 3 0 324,839 324,842 0%
#114 HOMEBREW_DEBUG 3 0 325,169 325,172 0%
#115 HOMEBREW_FORBID_PACKAGES_FROM_PATHS true unless `$HOMEBREW_DEVELOPER` is set. 3 1,029 324,160 325,192 0%
#116 HOMEBREW_ARCH `native`. 3 0 325,272 325,275 0%
#117 HOMEBREW_BUNDLE_DUMP_DESCRIBE 2 0 323,722 323,724 0%
#118 HOMEBREW_BUNDLE_CLEANUP_NO_MAS 2 0 323,873 323,875 0%
#119 HOMEBREW_BUNDLE_DUMP_NO_MAS 2 0 324,746 324,748 0%
#120 HOMEBREW_FORBIDDEN_CASK_ARTIFACTS 2 0 325,539 325,541 0%
#121 HOMEBREW_PRY 1 0 324,609 324,610 0%
#122 HOMEBREW_CURL_VERBOSE 1 0 324,816 324,817 0%
#123 HOMEBREW_NO_BOOTSNAP 1 0 324,825 324,826 0%
#124 HOMEBREW_BUNDLE_CLEANUP_NO_CASK 1 0 324,938 324,939 0%
#125 HOMEBREW_GIT_COMMITTER_EMAIL 1 0 325,400 325,401 0%
#126 HOMEBREW_BUNDLE_CLEANUP_NO_VSCODE 0 0 324,454 324,454 0%
#127 HOMEBREW_BUNDLE_CLEANUP_NO_KREW 0 0 324,464 324,464 0%
#128 HOMEBREW_BUNDLE_DUMP_NO_TAP 0 0 324,390 324,390 0%
#129 HOMEBREW_BUNDLE_DUMP_NO_CASK 0 0 325,647 325,647 0%
#130 HOMEBREW_BUNDLE_DUMP_NO_BREW 0 0 325,231 325,231 0%
#131 HOMEBREW_BUNDLE_NO_SECRETS `true`. 0 0 323,207 323,207 0%
#132 HOMEBREW_BUNDLE_SECRETS 0 0 324,814 324,814 0%
#133 HOMEBREW_CASK_OPTS_REQUIRE_SHA 0 0 325,494 325,494 0%
#134 HOMEBREW_BUNDLE_DUMP_NO_WINGET 0 0 325,397 325,397 0%
#135 HOMEBREW_LIVECHECK_WATCHLIST `${XDG_CONFIG_HOME}/homebrew/livecheck_watchlist.txt` if `$XDG_CONFIG_HOME` is set or `~/.homebrew/livecheck_watchlist.txt` otherwise. 0 0 324,876 324,876 0%
#136 HOMEBREW_FORMULA_TEST_NETWORK 0 0 324,405 324,405 0%
#137 HOMEBREW_ASK `true`. 0 4 324,599 324,603 0%
#138 HOMEBREW_SANDBOX_LINUX `true`. 0 0 325,009 325,009 0%
#139 HOMEBREW_SKIP_OR_LATER_BOTTLES 0 0 324,490 324,490 0%
#140 HOMEBREW_CASK_OPTS_BINARIES 0 0 324,311 324,311 0%
#141 HOMEBREW_BUNDLE_CLEANUP_NO_NPM 0 0 325,602 325,602 0%
#142 HOMEBREW_BUNDLE_CLEANUP_NO_TAP 0 0 325,243 325,243 0%
#143 HOMEBREW_ENV_SYNC_STRICT 0 0 324,503 324,503 0%
#144 HOMEBREW_BUNDLE_CLEANUP_NO_GO 0 0 324,734 324,734 0%
#145 HOMEBREW_BUNDLE_CLEANUP_NO_UV 0 0 324,942 324,942 0%
#146 HOMEBREW_BUNDLE_DESCRIBE `true`. 0 0 325,280 325,280 0%
#147 HOMEBREW_BUNDLE_CLEANUP_NO_WINGET 0 0 325,304 325,304 0%
#148 HOMEBREW_NO_EVAL_ENV_SCRUBBING 0 0 324,903 324,903 0%
#149 HOMEBREW_SUDO_THROUGH_SUDO_USER 0 0 323,925 323,925 0%
#150 HOMEBREW_SBOM `true`. 0 1 325,376 325,377 0%
#151 HOMEBREW_BUNDLE_CLEANUP_NO_FLATPAK 0 0 324,089 324,089 0%
#152 HOMEBREW_BUNDLE_CLEANUP_NO_CARGO 0 0 325,330 325,330 0%
#153 HOMEBREW_BUNDLE_CLEANUP_NO_BREW 0 0 323,304 323,304 0%
#154 HOMEBREW_REQUIRE_TAP_TRUST `true`. 0 349 323,883 324,232 0%
#155 HOMEBREW_AUTO_UPDATE_QUIET 0 0 42,662 42,662 0%
#156 HOMEBREW_NO_FORCE_BREW_WRAPPER 0 0 324,142 324,142 0%
#157 HOMEBREW_DISABLE_LOAD_FORMULA 0 0 324,439 324,439 0%
#158 HOMEBREW_SVN A Homebrew-built Subversion (if installed), or the system-provided binary. 0 0 323,704 323,704 0%
#159 HOMEBREW_UPGRADE_AUTO_UPDATES_CASKS `true`. 0 3 324,549 324,552 0%
#160 HOMEBREW_NO_SANDBOX_CASK 0 0 324,337 324,337 0%