Homebrew Environment Configuration Events (30 days)

/api/analytics/homebrew-env-config/30d.json (JSON API)

Start Date: 2026-07-13

Total Variables: 160

Total Events: 51695147

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 0 302,393 325,104 6.99%
#2 HOMEBREW_NO_AUTO_UPDATE 22,193 0 303,348 325,541 6.82%
#3 SUDO_ASKPASS 8,192 0 316,095 324,287 2.53%
#4 HOMEBREW_NO_ENV_HINTS 6,316 0 318,866 325,182 1.94%
#5 HOMEBREW_GITHUB_API_TOKEN 5,876 0 319,621 325,497 1.81%
#6 HOMEBREW_BOTTLE_DOMAIN `https://ghcr.io/v2/homebrew/core`. 4,876 0 320,708 325,584 1.50%
#7 HOMEBREW_NO_INSTALL_CLEANUP 4,491 0 320,216 324,707 1.38%
#8 HOMEBREW_API_DOMAIN `https://formulae.brew.sh/api`. 4,059 25 321,058 325,142 1.25%
#9 https_proxy 3,773 0 320,534 324,307 1.16%
#10 http_proxy 3,763 0 320,852 324,615 1.16%
#11 HOMEBREW_NO_COLOR `$NO_COLOR`. 3,672 0 320,733 324,405 1.13%
#12 HOMEBREW_CLEANUP_PERIODIC_FULL_DAYS `30`. 3,548 2 321,614 325,164 1.09%
#13 HOMEBREW_NO_INSTALL_FROM_API 3,235 0 321,177 324,412 1%
#14 no_proxy 3,094 0 321,101 324,195 0.95%
#15 HOMEBREW_EDITOR `$EDITOR` or `$VISUAL`. 2,940 0 322,462 325,402 0.90%
#16 HOMEBREW_PIP_INDEX_URL `https://pypi.org/simple`. 2,854 0 321,416 324,270 0.88%
#17 HOMEBREW_NO_ASK 2,680 0 322,391 325,071 0.82%
#18 HOMEBREW_CASK_OPTS 2,604 0 322,323 324,927 0.80%
#19 HOMEBREW_DISPLAY `$DISPLAY`. 2,488 0 322,563 325,051 0.77%
#20 HOMEBREW_DEVELOPER 2,142 0 321,909 324,051 0.66%
#21 HOMEBREW_CACHE macOS: `~/Library/Caches/Homebrew`, Linux: `$XDG_CACHE_HOME/Homebrew` or `~/.cache/Homebrew`. 1,868 46,500 278,973 327,341 0.57%
#22 HOMEBREW_BREW_GIT_REMOTE `https://github.com/Homebrew/brew`. 1,756 41,127 284,289 327,172 0.54%
#23 HOMEBREW_FORBIDDEN_OWNER `you`. 1,701 0 323,100 324,801 0.52%
#24 all_proxy 1,681 0 322,398 324,079 0.52%
#25 HOMEBREW_TEMP macOS: `/private/tmp`, Linux: `/var/tmp`. 1,241 41,767 283,520 326,528 0.38%
#26 HOMEBREW_CORE_GIT_REMOTE `https://github.com/Homebrew/homebrew-core`. 1,218 41,239 284,223 326,680 0.37%
#27 HOMEBREW_GIT_PATH `git`. 1,150 0 324,734 325,884 0.35%
#28 HOMEBREW_SYSTEM_ENV_TAKES_PRIORITY 1,150 0 324,783 325,933 0.35%
#29 HOMEBREW_INSTALL_BADGE The "Beer Mug" emoji. 1,140 5 323,797 324,942 0.35%
#30 HOMEBREW_FORCE_BREW_WRAPPER 1,101 0 322,739 323,840 0.34%
#31 HOMEBREW_FORCE_BREW_WRAPPER_HELP_MESSAGE 1,076 0 324,600 325,676 0.33%
#32 HOMEBREW_NO_REQUIRE_TAP_TRUST 1,049 0 323,822 324,871 0.32%
#33 HOMEBREW_DISABLE_DEBREW 1,007 0 323,808 324,815 0.31%
#34 HOMEBREW_FORBIDDEN_CASKS 916 0 324,399 325,315 0.28%
#35 HOMEBREW_BROWSER `$BROWSER` or the OS's default browser. 856 0 323,217 324,073 0.26%
#36 HOMEBREW_COLOR 838 0 325,124 325,962 0.26%
#37 HOMEBREW_FORBIDDEN_FORMULAE 751 0 324,145 324,896 0.23%
#38 HOMEBREW_LOGS macOS: `~/Library/Logs/Homebrew`, Linux: `${XDG_CACHE_HOME}/Homebrew/Logs` or `~/.cache/Homebrew/Logs`. 737 46,487 279,730 326,954 0.23%
#39 HOMEBREW_FORBIDDEN_OWNER_CONTACT 721 0 325,164 325,885 0.22%
#40 HOMEBREW_AUTO_UPDATE_SECS `86400` (24 hours), `3600` (1 hour) if a developer command has been run or `300` (5 minutes) if `$HOMEBREW_NO_INSTALL_FROM_API` is set. 710 216 323,262 324,188 0.22%
#41 HOMEBREW_LOCK_CONTEXT 597 0 324,056 324,653 0.18%
#42 HOMEBREW_ARTIFACT_DOMAIN 538 0 323,466 324,004 0.17%
#43 HOMEBREW_FORBIDDEN_TAPS 532 0 324,260 324,792 0.16%
#44 ftp_proxy 407 0 324,021 324,428 0.13%
#45 HOMEBREW_NO_UPGRADE_AUTO_UPDATES_CASKS 390 0 323,478 323,868 0.12%
#46 HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK 383 5 324,626 325,014 0.12%
#47 HOMEBREW_DISPLAY_INSTALL_TIMES 335 0 324,464 324,799 0.10%
#48 HOMEBREW_CURL_PATH `curl`. 303 0 324,497 324,800 0.09%
#49 HOMEBREW_VERBOSE_USING_DOTS 281 0 325,346 325,627 0.09%
#50 HOMEBREW_DOCKER_REGISTRY_TOKEN 258 0 325,434 325,692 0.08%
#51 HOMEBREW_NO_SANDBOX_LINUX 253 0 324,173 324,426 0.08%
#52 HOMEBREW_SORBET_RUNTIME 245 0 324,780 325,025 0.08%
#53 HOMEBREW_CLEANUP_MAX_AGE_DAYS `120`. 229 0 324,488 324,717 0.07%
#54 HOMEBREW_ALLOWED_TAPS 226 0 325,287 325,513 0.07%
#55 HOMEBREW_VERIFY_ATTESTATIONS 220 0 324,125 324,345 0.07%
#56 HOMEBREW_CURLRC 216 0 325,547 325,763 0.07%
#57 HOMEBREW_NO_INSECURE_REDIRECT 213 0 324,636 324,849 0.07%
#58 HOMEBREW_SORBET_RECURSIVE 202 0 323,109 323,311 0.06%
#59 HOMEBREW_BAT_THEME `$BAT_THEME`. 175 0 325,289 325,464 0.05%
#60 HOMEBREW_NO_UPDATE_REPORT_NEW 163 0 324,904 325,067 0.05%
#61 HOMEBREW_CURL_RETRIES `3`. 148 292 323,614 324,054 0.05%
#62 HOMEBREW_DOWNLOAD_CONCURRENCY `auto`. 143 2,694 322,133 324,970 0.04%
#63 HOMEBREW_SSH_CONFIG_PATH `~/.ssh/config` 139 1 325,382 325,522 0.04%
#64 HOMEBREW_NO_INSTALL_UPGRADE 134 2 324,510 324,646 0.04%
#65 HOMEBREW_NO_EMOJI 122 0 325,474 325,596 0.04%
#66 HOMEBREW_FORCE_BREWED_CURL 120 0 325,202 325,322 0.04%
#67 HOMEBREW_GIT_NAME 106 0 324,547 324,653 0.03%
#68 HOMEBREW_API_AUTO_UPDATE_SECS `450`. 105 0 324,736 324,841 0.03%
#69 HOMEBREW_UPGRADE_GREEDY 99 2 323,957 324,058 0.03%
#70 HOMEBREW_DOCKER_REGISTRY_BASIC_AUTH_TOKEN 93 0 324,302 324,395 0.03%
#71 HOMEBREW_BAT 90 0 324,636 324,726 0.03%
#72 HOMEBREW_USE_INTERNAL_API 80 0 323,766 323,846 0.02%
#73 HOMEBREW_ARTIFACT_DOMAIN_NO_FALLBACK 80 0 324,502 324,582 0.02%
#74 HOMEBREW_NO_UPGRADE_QUIT_CASKS 76 0 324,792 324,868 0.02%
#75 HOMEBREW_GIT_EMAIL 74 0 324,546 324,620 0.02%
#76 HOMEBREW_NO_CLEANUP_FORMULAE 70 0 324,966 325,036 0.02%
#77 HOMEBREW_NO_GITHUB_API 58 0 325,826 325,884 0.02%
#78 HOMEBREW_UPGRADE_GREEDY_CASKS 54 0 324,678 324,732 0.02%
#79 HOMEBREW_MAKE_JOBS The number of available CPU cores. 48 26 324,381 324,455 0.01%
#80 HOMEBREW_FAIL_LOG_LINES `15`. 47 0 323,856 323,903 0.01%
#81 HOMEBREW_SIMULATE_MACOS_ON_LINUX 43 0 324,310 324,353 0.01%
#82 HOMEBREW_NO_VERIFY_ATTESTATIONS 40 0 323,987 324,027 0.01%
#83 HOMEBREW_GITHUB_PACKAGES_TOKEN 39 0 324,625 324,664 0.01%
#84 HOMEBREW_FORCE_BREWED_GIT 39 0 324,856 324,895 0.01%
#85 HOMEBREW_VERBOSE 35 0 325,373 325,408 0.01%
#86 HOMEBREW_FORCE_BREWED_CA_CERTIFICATES 31 0 324,897 324,928 0.01%
#87 HOMEBREW_BUNDLE_NO_JOBS 30 0 325,670 325,700 0.01%
#88 HOMEBREW_NO_PATH_SHADOW_CHECK 22 1 324,540 324,563 0.01%
#89 HOMEBREW_FORCE_VENDOR_RUBY 21 0 324,713 324,734 0.01%
#90 HOMEBREW_NO_AUTOREMOVE 21 0 325,041 325,062 0.01%
#91 HOMEBREW_FORBIDDEN_LICENSES 21 0 325,044 325,065 0.01%
#92 HOMEBREW_FORBID_CASKS 21 4 325,094 325,119 0.01%
#93 HOMEBREW_BUNDLE_NO_DESCRIBE 15 0 325,584 325,599 0%
#94 HOMEBREW_BUNDLE_DUMP_NO_VSCODE 13 0 324,107 324,120 0%
#95 HOMEBREW_BUNDLE_DUMP_NO_GO 12 0 325,110 325,122 0%
#96 HOMEBREW_BUNDLE_JOBS `auto`. 12 1 325,133 325,146 0%
#97 HOMEBREW_BUNDLE_DUMP_NO_NPM 12 0 325,266 325,278 0%
#98 HOMEBREW_BUNDLE_FORCE_INSTALL_CLEANUP 11 0 324,246 324,257 0%
#99 HOMEBREW_BUNDLE_INSTALL_CLEANUP 10 0 324,346 324,356 0%
#100 HOMEBREW_BAT_CONFIG_PATH `$BAT_CONFIG_PATH`. 9 0 325,000 325,009 0%
#101 HOMEBREW_FORCE_API_AUTO_UPDATE 8 0 324,274 324,282 0%
#102 HOMEBREW_BUNDLE_DUMP_NO_CARGO 7 0 324,119 324,126 0%
#103 HOMEBREW_EVAL_ALL 7 0 324,933 324,940 0%
#104 HOMEBREW_LIVECHECK_AUTOBUMP 7 0 324,983 324,990 0%
#105 HOMEBREW_BUNDLE_USER_CACHE 6 0 324,055 324,061 0%
#106 HOMEBREW_BUNDLE_DUMP_NO_KREW 5 0 324,629 324,634 0%
#107 HOMEBREW_FORMULA_POSTINSTALL_NETWORK 5 0 324,883 324,888 0%
#108 HOMEBREW_BUNDLE_DUMP_NO_UV 4 0 323,955 323,959 0%
#109 HOMEBREW_AVOID_NESTED_SANDBOXING 4 0 324,729 324,733 0%
#110 HOMEBREW_BUNDLE_DUMP_NO_FLATPAK 4 0 325,021 325,025 0%
#111 HOMEBREW_FORMULA_BUILD_NETWORK 4 0 325,403 325,407 0%
#112 HOMEBREW_GITHUB_PACKAGES_USER 3 0 324,826 324,829 0%
#113 HOMEBREW_GIT_COMMITTER_NAME 3 0 324,833 324,836 0%
#114 HOMEBREW_DEBUG 3 0 325,164 325,167 0%
#115 HOMEBREW_FORBID_PACKAGES_FROM_PATHS true unless `$HOMEBREW_DEVELOPER` is set. 3 1,029 324,159 325,191 0%
#116 HOMEBREW_ARCH `native`. 3 0 325,269 325,272 0%
#117 HOMEBREW_BUNDLE_DUMP_DESCRIBE 2 0 323,716 323,718 0%
#118 HOMEBREW_BUNDLE_CLEANUP_NO_MAS 2 0 323,873 323,875 0%
#119 HOMEBREW_BUNDLE_DUMP_NO_MAS 2 0 324,744 324,746 0%
#120 HOMEBREW_FORBIDDEN_CASK_ARTIFACTS 2 0 325,538 325,540 0%
#121 HOMEBREW_PRY 1 0 324,609 324,610 0%
#122 HOMEBREW_CURL_VERBOSE 1 0 324,815 324,816 0%
#123 HOMEBREW_NO_BOOTSNAP 1 0 324,822 324,823 0%
#124 HOMEBREW_BUNDLE_CLEANUP_NO_CASK 1 0 324,938 324,939 0%
#125 HOMEBREW_GIT_COMMITTER_EMAIL 1 0 325,395 325,396 0%
#126 HOMEBREW_UPGRADE_AUTO_UPDATES_CASKS `true`. 0 3 324,545 324,548 0%
#127 HOMEBREW_ASK `true`. 0 4 324,598 324,602 0%
#128 HOMEBREW_BUNDLE_DUMP_NO_WINGET 0 0 325,397 325,397 0%
#129 HOMEBREW_NO_EVAL_ENV_SCRUBBING 0 0 324,902 324,902 0%
#130 HOMEBREW_ENV_SYNC_STRICT 0 0 324,500 324,500 0%
#131 HOMEBREW_BUNDLE_CLEANUP_NO_BREW 0 0 323,298 323,298 0%
#132 HOMEBREW_BUNDLE_CLEANUP_NO_TAP 0 0 325,242 325,242 0%
#133 HOMEBREW_NO_FORCE_BREW_WRAPPER 0 0 324,140 324,140 0%
#134 HOMEBREW_FORMULA_TEST_NETWORK 0 0 324,403 324,403 0%
#135 HOMEBREW_NO_SANDBOX_CASK 0 0 324,336 324,336 0%
#136 HOMEBREW_BUNDLE_CLEANUP_NO_NPM 0 0 325,602 325,602 0%
#137 HOMEBREW_SVN A Homebrew-built Subversion (if installed), or the system-provided binary. 0 0 323,701 323,701 0%
#138 HOMEBREW_BUNDLE_CLEANUP_NO_WINGET 0 0 325,303 325,303 0%
#139 HOMEBREW_BUNDLE_DUMP_NO_TAP 0 0 324,390 324,390 0%
#140 HOMEBREW_LIVECHECK_WATCHLIST `${XDG_CONFIG_HOME}/homebrew/livecheck_watchlist.txt` if `$XDG_CONFIG_HOME` is set or `~/.homebrew/livecheck_watchlist.txt` otherwise. 0 0 324,875 324,875 0%
#141 HOMEBREW_SANDBOX_LINUX `true`. 0 0 325,005 325,005 0%
#142 HOMEBREW_REQUIRE_TAP_TRUST `true`. 0 349 323,882 324,231 0%
#143 HOMEBREW_SBOM `true`. 0 1 325,374 325,375 0%
#144 HOMEBREW_SUDO_THROUGH_SUDO_USER 0 0 323,922 323,922 0%
#145 HOMEBREW_BUNDLE_DESCRIBE `true`. 0 0 325,277 325,277 0%
#146 HOMEBREW_BUNDLE_CLEANUP_NO_VSCODE 0 0 324,454 324,454 0%
#147 HOMEBREW_BUNDLE_CLEANUP_NO_UV 0 0 324,938 324,938 0%
#148 HOMEBREW_AUTO_UPDATE_QUIET 0 0 42,662 42,662 0%
#149 HOMEBREW_CASK_OPTS_REQUIRE_SHA 0 0 325,492 325,492 0%
#150 HOMEBREW_BUNDLE_CLEANUP_NO_KREW 0 0 324,461 324,461 0%
#151 HOMEBREW_BUNDLE_DUMP_NO_BREW 0 0 325,230 325,230 0%
#152 HOMEBREW_BUNDLE_DUMP_NO_CASK 0 0 325,643 325,643 0%
#153 HOMEBREW_BUNDLE_CLEANUP_NO_GO 0 0 324,733 324,733 0%
#154 HOMEBREW_BUNDLE_NO_SECRETS `true`. 0 0 323,204 323,204 0%
#155 HOMEBREW_BUNDLE_SECRETS 0 0 324,810 324,810 0%
#156 HOMEBREW_CASK_OPTS_BINARIES 0 0 324,309 324,309 0%
#157 HOMEBREW_BUNDLE_CLEANUP_NO_FLATPAK 0 0 324,087 324,087 0%
#158 HOMEBREW_DISABLE_LOAD_FORMULA 0 0 324,436 324,436 0%
#159 HOMEBREW_BUNDLE_CLEANUP_NO_CARGO 0 0 325,329 325,329 0%
#160 HOMEBREW_SKIP_OR_LATER_BOTTLES 0 0 324,487 324,487 0%