Homebrew Environment Configuration Events (90 days)

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

Start Date: 2026-06-02

Total Variables: 161

Total Events: 109084777

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_NO_AUTO_UPDATE 54,373 0 630,804 685,177 7.94%
#2 HOMEBREW_UPDATE_TO_TAG 35,817 0 648,291 684,108 5.24%
#3 SUDO_ASKPASS 17,601 0 665,742 683,343 2.58%
#4 HOMEBREW_NO_ENV_HINTS 14,146 0 670,478 684,624 2.07%
#5 HOMEBREW_GITHUB_API_TOKEN 11,760 0 672,844 684,604 1.72%
#6 HOMEBREW_NO_INSTALL_CLEANUP 11,242 0 672,540 683,782 1.64%
#7 HOMEBREW_BOTTLE_DOMAIN `https://ghcr.io/v2/homebrew/core`. 10,375 0 673,215 683,590 1.52%
#8 HOMEBREW_API_DOMAIN `https://formulae.brew.sh/api`. 8,676 43 675,254 683,973 1.27%
#9 HOMEBREW_CLEANUP_PERIODIC_FULL_DAYS `30`. 8,515 6 675,842 684,363 1.24%
#10 https_proxy 8,088 0 674,670 682,758 1.18%
#11 http_proxy 7,991 0 675,839 683,830 1.17%
#12 no_proxy 6,749 0 676,517 683,266 0.99%
#13 HOMEBREW_NO_ASK 6,671 0 677,751 684,422 0.97%
#14 HOMEBREW_PIP_INDEX_URL `https://pypi.org/simple`. 6,144 2 677,529 683,675 0.90%
#15 HOMEBREW_NO_INSTALL_FROM_API 6,131 0 676,911 683,042 0.90%
#16 HOMEBREW_NO_COLOR `$NO_COLOR`. 6,129 0 676,892 683,021 0.90%
#17 HOMEBREW_CASK_OPTS 5,747 0 678,375 684,122 0.84%
#18 HOMEBREW_CACHE macOS: `~/Library/Caches/Homebrew`, Linux: `$XDG_CACHE_HOME/Homebrew` or `~/.cache/Homebrew`. 5,261 76,019 607,320 688,600 0.76%
#19 HOMEBREW_EDITOR `$EDITOR` or `$VISUAL`. 4,210 0 679,603 683,813 0.62%
#20 HOMEBREW_FORBIDDEN_OWNER `you`. 3,946 0 679,781 683,727 0.58%
#21 HOMEBREW_DEVELOPER 3,930 0 678,410 682,340 0.58%
#22 HOMEBREW_DISPLAY `$DISPLAY`. 3,919 0 679,641 683,560 0.57%
#23 HOMEBREW_BREW_GIT_REMOTE `https://github.com/Homebrew/brew`. 3,888 63,825 619,207 686,920 0.57%
#24 all_proxy 3,658 0 679,938 683,596 0.54%
#25 HOMEBREW_TEMP macOS: `/private/tmp`, Linux: `/var/tmp`. 2,807 64,555 619,917 687,279 0.41%
#26 HOMEBREW_LOGS macOS: `~/Library/Logs/Homebrew`, Linux: `${XDG_CACHE_HOME}/Homebrew/Logs` or `~/.cache/Homebrew/Logs`. 2,715 74,824 610,796 688,335 0.39%
#27 HOMEBREW_SYSTEM_ENV_TAKES_PRIORITY 2,694 0 682,576 685,270 0.39%
#28 HOMEBREW_CORE_GIT_REMOTE `https://github.com/Homebrew/homebrew-core`. 2,676 64,024 620,903 687,603 0.39%
#29 HOMEBREW_INSTALL_BADGE The "Beer Mug" emoji. 2,654 5 681,604 684,263 0.39%
#30 HOMEBREW_FORCE_BREW_WRAPPER 2,624 0 680,011 682,635 0.38%
#31 HOMEBREW_GIT_PATH `git`. 2,600 0 681,729 684,329 0.38%
#32 HOMEBREW_FORCE_BREW_WRAPPER_HELP_MESSAGE 2,542 0 681,575 684,117 0.37%
#33 HOMEBREW_DISABLE_DEBREW 2,372 0 681,608 683,980 0.35%
#34 HOMEBREW_NO_REQUIRE_TAP_TRUST 2,260 0 680,214 682,474 0.33%
#35 HOMEBREW_FORBIDDEN_CASKS 2,013 0 681,211 683,224 0.29%
#36 HOMEBREW_BROWSER `$BROWSER` or the OS's default browser. 1,740 0 680,981 682,721 0.25%
#37 HOMEBREW_FORBIDDEN_OWNER_CONTACT 1,659 0 682,738 684,397 0.24%
#38 HOMEBREW_FORBIDDEN_FORMULAE 1,628 0 680,880 682,508 0.24%
#39 HOMEBREW_AUTO_UPDATE_SECS `86400` (24 hours), `3600` (1 hour) if a developer command has been run or `300` (5 minutes) if `$HOMEBREW_NO_INSTALL_FROM_API` is set. 1,587 452 680,332 682,371 0.23%
#40 HOMEBREW_COLOR 1,396 0 683,069 684,465 0.20%
#41 HOMEBREW_LOCK_CONTEXT 1,372 0 682,684 684,056 0.20%
#42 HOMEBREW_FORBIDDEN_TAPS 1,191 0 682,773 683,964 0.17%
#43 HOMEBREW_ARTIFACT_DOMAIN 1,105 0 681,572 682,677 0.16%
#44 HOMEBREW_NO_UPGRADE_AUTO_UPDATES_CASKS 899 0 681,774 682,673 0.13%
#45 ftp_proxy 807 0 682,387 683,194 0.12%
#46 HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK 796 11 683,182 683,989 0.12%
#47 HOMEBREW_CURL_PATH `curl`. 767 0 683,026 683,793 0.11%
#48 HOMEBREW_VERBOSE_USING_DOTS 699 0 682,663 683,362 0.10%
#49 HOMEBREW_DISPLAY_INSTALL_TIMES 688 0 682,370 683,058 0.10%
#50 HOMEBREW_CURLRC 606 0 684,209 684,815 0.09%
#51 HOMEBREW_DOCKER_REGISTRY_TOKEN 569 0 683,474 684,043 0.08%
#52 HOMEBREW_NO_SANDBOX_LINUX 531 0 683,382 683,913 0.08%
#53 HOMEBREW_CLEANUP_MAX_AGE_DAYS `120`. 514 0 682,286 682,800 0.08%
#54 HOMEBREW_ALLOWED_TAPS 498 0 683,530 684,028 0.07%
#55 HOMEBREW_CURL_RETRIES `3`. 479 518 681,797 682,794 0.07%
#56 HOMEBREW_NO_INSECURE_REDIRECT 421 0 682,859 683,280 0.06%
#57 HOMEBREW_SORBET_RUNTIME 420 0 683,891 684,311 0.06%
#58 HOMEBREW_NO_INSTALL_UPGRADE 399 3 683,031 683,433 0.06%
#59 HOMEBREW_VERIFY_ATTESTATIONS 397 0 681,786 682,183 0.06%
#60 HOMEBREW_SORBET_RECURSIVE 358 0 681,476 681,834 0.05%
#61 HOMEBREW_DOWNLOAD_CONCURRENCY `auto`. 359 5,014 679,069 684,442 0.05%
#62 HOMEBREW_NO_UPDATE_REPORT_NEW 337 0 683,706 684,043 0.05%
#63 HOMEBREW_NO_EMOJI 278 0 683,648 683,926 0.04%
#64 HOMEBREW_SSH_CONFIG_PATH `~/.ssh/config` 258 2 682,852 683,112 0.04%
#65 HOMEBREW_FORCE_BREWED_CURL 256 0 682,693 682,949 0.04%
#66 HOMEBREW_GIT_NAME 238 0 683,750 683,988 0.03%
#67 HOMEBREW_GIT_EMAIL 235 0 682,545 682,780 0.03%
#68 HOMEBREW_BAT_THEME `$BAT_THEME`. 227 0 683,951 684,178 0.03%
#69 HOMEBREW_UPGRADE_GREEDY 221 5 681,793 682,019 0.03%
#70 HOMEBREW_BAT 200 0 682,628 682,828 0.03%
#71 HOMEBREW_DOCKER_REGISTRY_BASIC_AUTH_TOKEN 171 0 682,987 683,158 0.03%
#72 HOMEBREW_NO_UPGRADE_QUIT_CASKS 170 0 683,353 683,523 0.02%
#73 HOMEBREW_NO_GITHUB_API 168 0 684,507 684,675 0.02%
#74 HOMEBREW_ARTIFACT_DOMAIN_NO_FALLBACK 159 0 683,470 683,629 0.02%
#75 HOMEBREW_API_AUTO_UPDATE_SECS `450`. 154 1 683,687 683,842 0.02%
#76 HOMEBREW_NO_CLEANUP_FORMULAE 138 0 683,779 683,917 0.02%
#77 HOMEBREW_USE_INTERNAL_API 132 0 682,299 682,431 0.02%
#78 HOMEBREW_SIMULATE_MACOS_ON_LINUX 112 0 683,274 683,386 0.02%
#79 HOMEBREW_UPGRADE_GREEDY_CASKS 108 0 682,971 683,079 0.02%
#80 HOMEBREW_MAKE_JOBS The number of available CPU cores. 96 71 681,682 681,849 0.01%
#81 HOMEBREW_GITHUB_PACKAGES_TOKEN 96 0 682,587 682,683 0.01%
#82 HOMEBREW_FORCE_BREWED_GIT 90 0 682,796 682,886 0.01%
#83 HOMEBREW_FAIL_LOG_LINES `15`. 87 0 683,154 683,241 0.01%
#84 HOMEBREW_NO_VERIFY_ATTESTATIONS 85 0 682,269 682,354 0.01%
#85 HOMEBREW_NO_PATH_SHADOW_CHECK 66 1 683,161 683,228 0.01%
#86 HOMEBREW_VERBOSE 62 0 683,950 684,012 0.01%
#87 HOMEBREW_BUNDLE_NO_JOBS 60 0 684,114 684,174 0.01%
#88 HOMEBREW_NO_AUTOREMOVE 57 0 685,067 685,124 0.01%
#89 HOMEBREW_FORCE_BREWED_CA_CERTIFICATES 53 0 682,951 683,004 0.01%
#90 HOMEBREW_FORCE_VENDOR_RUBY 46 0 682,770 682,816 0.01%
#91 HOMEBREW_BUNDLE_DUMP_NO_VSCODE 41 0 682,398 682,439 0.01%
#92 HOMEBREW_FORBID_CASKS 39 16 682,473 682,528 0.01%
#93 HOMEBREW_FORBIDDEN_LICENSES 33 0 682,153 682,186 0%
#94 HOMEBREW_BUNDLE_NO_DESCRIBE 31 0 684,217 684,248 0%
#95 HOMEBREW_BUNDLE_DUMP_NO_GO 25 0 683,115 683,140 0%
#96 HOMEBREW_BUNDLE_JOBS `auto`. 24 1 684,005 684,030 0%
#97 HOMEBREW_BUNDLE_FORCE_INSTALL_CLEANUP 21 0 683,507 683,528 0%
#98 HOMEBREW_BAT_CONFIG_PATH `$BAT_CONFIG_PATH`. 18 0 681,550 681,568 0%
#99 HOMEBREW_FORCE_API_AUTO_UPDATE 17 0 683,207 683,224 0%
#100 HOMEBREW_BUNDLE_INSTALL_CLEANUP 16 0 682,692 682,708 0%
#101 HOMEBREW_BUNDLE_DUMP_NO_NPM 16 0 684,102 684,118 0%
#102 HOMEBREW_BUNDLE_USER_CACHE 15 0 682,798 682,813 0%
#103 HOMEBREW_BUNDLE_DUMP_NO_CARGO 14 0 682,412 682,426 0%
#104 HOMEBREW_AUTO_UPDATE_QUIET 8 0 392,210 392,218 0%
#105 HOMEBREW_FORBID_PACKAGES_FROM_PATHS true unless `$HOMEBREW_DEVELOPER` is set. 13 2,379 681,992 684,384 0%
#106 HOMEBREW_EVAL_ALL 12 0 682,910 682,922 0%
#107 HOMEBREW_LIVECHECK_AUTOBUMP 12 0 684,540 684,552 0%
#108 HOMEBREW_ARCH `native`. 10 0 683,379 683,389 0%
#109 HOMEBREW_FORBIDDEN_CASK_ARTIFACTS 9 0 684,614 684,623 0%
#110 HOMEBREW_BUNDLE_DUMP_NO_KREW 8 0 683,739 683,747 0%
#111 HOMEBREW_BUNDLE_DUMP_NO_UV 8 0 683,935 683,943 0%
#112 HOMEBREW_FORMULA_BUILD_NETWORK 7 0 683,137 683,144 0%
#113 HOMEBREW_NO_BOOTSNAP 7 0 683,238 683,245 0%
#114 HOMEBREW_GITHUB_PACKAGES_USER 7 0 683,886 683,893 0%
#115 HOMEBREW_DEBUG 6 0 683,100 683,106 0%
#116 HOMEBREW_BUNDLE_DUMP_NO_FLATPAK 6 0 683,491 683,497 0%
#117 HOMEBREW_NO_SANDBOX_CASK 6 0 684,177 684,183 0%
#118 HOMEBREW_CURL_VERBOSE 5 1 682,839 682,845 0%
#119 HOMEBREW_FORMULA_POSTINSTALL_NETWORK 5 0 683,587 683,592 0%
#120 HOMEBREW_AVOID_NESTED_SANDBOXING 5 0 683,665 683,670 0%
#121 HOMEBREW_BUNDLE_DUMP_DESCRIBE 4 0 681,795 681,799 0%
#122 HOMEBREW_GIT_COMMITTER_NAME 4 0 682,950 682,954 0%
#123 HOMEBREW_BUNDLE_DUMP_NO_MAS 4 0 683,831 683,835 0%
#124 HOMEBREW_BUNDLE_CLEANUP_NO_MAS 3 0 682,578 682,581 0%
#125 HOMEBREW_PRY 3 0 684,029 684,032 0%
#126 HOMEBREW_NO_EVAL_ENV_SCRUBBING 2 0 683,918 683,920 0%
#127 HOMEBREW_GIT_COMMITTER_EMAIL 2 0 684,423 684,425 0%
#128 HOMEBREW_BUNDLE_CLEANUP_NO_CASK 1 0 682,183 682,184 0%
#129 HOMEBREW_SVN A Homebrew-built Subversion (if installed), or the system-provided binary. 1 0 682,376 682,377 0%
#130 HOMEBREW_SUDO_THROUGH_SUDO_USER 1 0 682,698 682,699 0%
#131 HOMEBREW_BUNDLE_DUMP_NO_WINGET 1 0 683,814 683,815 0%
#132 HOMEBREW_BUNDLE_CLEANUP_NO_GO 0 0 683,001 683,001 0%
#133 HOMEBREW_BUNDLE_CLEANUP_NO_VSCODE 0 0 684,131 684,131 0%
#134 HOMEBREW_BUNDLE_DESCRIBE `true`. 0 2 684,520 684,522 0%
#135 HOMEBREW_DISABLE_LOAD_FORMULA 0 0 682,726 682,726 0%
#136 HOMEBREW_BUNDLE_DUMP_NO_TAP 0 0 682,918 682,918 0%
#137 HOMEBREW_NO_RELOCATE_BUILD_PREFIX 0 0 548 548 0%
#138 HOMEBREW_ENV_SYNC_STRICT 0 0 682,986 682,986 0%
#139 HOMEBREW_CASK_OPTS_REQUIRE_SHA 0 0 684,535 684,535 0%
#140 HOMEBREW_UPGRADE_AUTO_UPDATES_CASKS `true`. 0 3 683,011 683,014 0%
#141 HOMEBREW_REQUIRE_TAP_TRUST `true`. 0 706 682,127 682,833 0%
#142 HOMEBREW_SBOM `true`. 0 1 683,798 683,799 0%
#143 HOMEBREW_BUNDLE_CLEANUP_NO_KREW 0 0 684,235 684,235 0%
#144 HOMEBREW_BUNDLE_CLEANUP_NO_TAP 0 0 684,053 684,053 0%
#145 HOMEBREW_BUNDLE_CLEANUP_NO_BREW 0 0 682,603 682,603 0%
#146 HOMEBREW_BUNDLE_CLEANUP_NO_CARGO 0 0 684,852 684,852 0%
#147 HOMEBREW_BUNDLE_CLEANUP_NO_NPM 0 0 684,307 684,307 0%
#148 HOMEBREW_BUNDLE_DUMP_NO_CASK 0 0 684,102 684,102 0%
#149 HOMEBREW_CASK_OPTS_BINARIES 0 0 683,323 683,323 0%
#150 HOMEBREW_BUNDLE_CLEANUP_NO_UV 0 0 683,180 683,180 0%
#151 HOMEBREW_SANDBOX_LINUX `true`. 0 0 684,447 684,447 0%
#152 HOMEBREW_ASK `true`. 0 16 683,064 683,080 0%
#153 HOMEBREW_BUNDLE_CLEANUP_NO_WINGET 0 0 684,134 684,134 0%
#154 HOMEBREW_FORMULA_TEST_NETWORK 0 0 683,024 683,024 0%
#155 HOMEBREW_NO_FORCE_BREW_WRAPPER 0 0 683,565 683,565 0%
#156 HOMEBREW_LIVECHECK_WATCHLIST `${XDG_CONFIG_HOME}/homebrew/livecheck_watchlist.txt` if `$XDG_CONFIG_HOME` is set or `~/.homebrew/livecheck_watchlist.txt` otherwise. 0 0 684,239 684,239 0%
#157 HOMEBREW_BUNDLE_SECRETS 0 0 683,247 683,247 0%
#158 HOMEBREW_BUNDLE_NO_SECRETS `true`. 0 1 682,275 682,276 0%
#159 HOMEBREW_BUNDLE_DUMP_NO_BREW 0 0 683,713 683,713 0%
#160 HOMEBREW_SKIP_OR_LATER_BOTTLES 0 0 682,712 682,712 0%
#161 HOMEBREW_BUNDLE_CLEANUP_NO_FLATPAK 0 0 682,439 682,439 0%