Homebrew Environment Configuration Events (90 days)

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

Start Date: 2026-05-13

Total Variables: 160

Total Events: 46915491

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 21,366 0 274,078 295,444 7.23%
#2 HOMEBREW_NO_AUTO_UPDATE 19,888 0 275,403 295,291 6.74%
#3 SUDO_ASKPASS 7,421 0 286,891 294,312 2.52%
#4 HOMEBREW_NO_ENV_HINTS 5,759 0 289,666 295,425 1.95%
#5 HOMEBREW_GITHUB_API_TOKEN 5,535 0 289,893 295,428 1.87%
#6 HOMEBREW_BOTTLE_DOMAIN `https://ghcr.io/v2/homebrew/core`. 4,363 0 291,257 295,620 1.48%
#7 HOMEBREW_NO_INSTALL_CLEANUP 3,986 0 290,852 294,838 1.35%
#8 HOMEBREW_API_DOMAIN `https://formulae.brew.sh/api`. 3,650 22 291,368 295,040 1.24%
#9 HOMEBREW_NO_COLOR `$NO_COLOR`. 3,389 0 291,332 294,721 1.15%
#10 http_proxy 3,386 0 291,376 294,762 1.15%
#11 https_proxy 3,355 0 291,240 294,595 1.14%
#12 HOMEBREW_CLEANUP_PERIODIC_FULL_DAYS `30`. 3,181 2 291,960 295,143 1.08%
#13 HOMEBREW_NO_INSTALL_FROM_API 3,097 0 291,316 294,413 1.05%
#14 HOMEBREW_EDITOR `$EDITOR` or `$VISUAL`. 2,820 0 292,543 295,363 0.95%
#15 no_proxy 2,772 0 291,644 294,416 0.94%
#16 HOMEBREW_PIP_INDEX_URL `https://pypi.org/simple`. 2,566 0 291,979 294,545 0.87%
#17 HOMEBREW_CASK_OPTS 2,386 0 292,685 295,071 0.81%
#18 HOMEBREW_DISPLAY `$DISPLAY`. 2,366 0 292,861 295,227 0.80%
#19 HOMEBREW_NO_ASK 2,344 0 293,023 295,367 0.79%
#20 HOMEBREW_DEVELOPER 2,063 0 292,108 294,171 0.70%
#21 HOMEBREW_CACHE macOS: `~/Library/Caches/Homebrew`, Linux: `$XDG_CACHE_HOME/Homebrew` or `~/.cache/Homebrew`. 1,625 43,545 252,293 297,463 0.55%
#22 HOMEBREW_BREW_GIT_REMOTE `https://github.com/Homebrew/brew`. 1,582 38,658 256,992 297,232 0.53%
#23 HOMEBREW_FORBIDDEN_OWNER `you`. 1,540 0 293,292 294,832 0.52%
#24 all_proxy 1,518 0 292,776 294,294 0.52%
#25 HOMEBREW_TEMP macOS: `/private/tmp`, Linux: `/var/tmp`. 1,140 39,213 256,097 296,450 0.38%
#26 HOMEBREW_CORE_GIT_REMOTE `https://github.com/Homebrew/homebrew-core`. 1,099 38,781 256,668 296,548 0.37%
#27 HOMEBREW_SYSTEM_ENV_TAKES_PRIORITY 1,046 0 295,028 296,074 0.35%
#28 HOMEBREW_INSTALL_BADGE The "Beer Mug" emoji. 1,038 5 293,661 294,704 0.35%
#29 HOMEBREW_GIT_PATH `git`. 1,037 0 294,712 295,749 0.35%
#30 HOMEBREW_FORCE_BREW_WRAPPER 991 0 293,207 294,198 0.34%
#31 HOMEBREW_FORCE_BREW_WRAPPER_HELP_MESSAGE 987 0 294,991 295,978 0.33%
#32 HOMEBREW_NO_REQUIRE_TAP_TRUST 971 0 294,241 295,212 0.33%
#33 HOMEBREW_DISABLE_DEBREW 936 0 293,946 294,882 0.32%
#34 HOMEBREW_FORBIDDEN_CASKS 834 0 294,583 295,417 0.28%
#35 HOMEBREW_BROWSER `$BROWSER` or the OS's default browser. 802 0 293,604 294,406 0.27%
#36 HOMEBREW_COLOR 743 0 295,136 295,879 0.25%
#37 HOMEBREW_FORBIDDEN_FORMULAE 685 0 294,267 294,952 0.23%
#38 HOMEBREW_FORBIDDEN_OWNER_CONTACT 650 0 294,966 295,616 0.22%
#39 HOMEBREW_AUTO_UPDATE_SECS `86400` (24 hours), `3600` (1 hour) if a developer command has been run or `300` (5 minutes) if `$HOMEBREW_NO_INSTALL_FROM_API` is set. 646 191 293,670 294,507 0.22%
#40 HOMEBREW_LOGS macOS: `~/Library/Logs/Homebrew`, Linux: `${XDG_CACHE_HOME}/Homebrew/Logs` or `~/.cache/Homebrew/Logs`. 635 43,503 252,668 296,806 0.21%
#41 HOMEBREW_LOCK_CONTEXT 545 0 294,279 294,824 0.18%
#42 HOMEBREW_FORBIDDEN_TAPS 488 0 294,235 294,723 0.17%
#43 HOMEBREW_ARTIFACT_DOMAIN 487 0 293,705 294,192 0.17%
#44 ftp_proxy 375 0 294,242 294,617 0.13%
#45 HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK 363 5 294,586 294,954 0.12%
#46 HOMEBREW_NO_UPGRADE_AUTO_UPDATES_CASKS 352 0 293,728 294,080 0.12%
#47 HOMEBREW_DISPLAY_INSTALL_TIMES 312 0 294,530 294,842 0.11%
#48 HOMEBREW_CURL_PATH `curl`. 269 0 294,541 294,810 0.09%
#49 HOMEBREW_VERBOSE_USING_DOTS 254 0 295,580 295,834 0.09%
#50 HOMEBREW_NO_SANDBOX_LINUX 240 0 294,048 294,288 0.08%
#51 HOMEBREW_DOCKER_REGISTRY_TOKEN 235 0 295,453 295,688 0.08%
#52 HOMEBREW_SORBET_RUNTIME 229 0 295,095 295,324 0.08%
#53 HOMEBREW_VERIFY_ATTESTATIONS 216 0 294,152 294,368 0.07%
#54 HOMEBREW_CLEANUP_MAX_AGE_DAYS `120`. 213 0 294,670 294,883 0.07%
#55 HOMEBREW_ALLOWED_TAPS 204 0 295,447 295,651 0.07%
#56 HOMEBREW_SORBET_RECURSIVE 198 0 293,748 293,946 0.07%
#57 HOMEBREW_NO_INSECURE_REDIRECT 197 0 294,909 295,106 0.07%
#58 HOMEBREW_CURLRC 188 0 295,376 295,564 0.06%
#59 HOMEBREW_BAT_THEME `$BAT_THEME`. 171 0 295,129 295,300 0.06%
#60 HOMEBREW_NO_UPDATE_REPORT_NEW 150 0 294,756 294,906 0.05%
#61 HOMEBREW_CURL_RETRIES `3`. 130 268 293,921 294,319 0.04%
#62 HOMEBREW_SSH_CONFIG_PATH `~/.ssh/config` 127 1 295,192 295,320 0.04%
#63 HOMEBREW_DOWNLOAD_CONCURRENCY `auto`. 126 2,608 292,654 295,388 0.04%
#64 HOMEBREW_NO_INSTALL_UPGRADE 115 2 294,920 295,037 0.04%
#65 HOMEBREW_NO_EMOJI 108 0 295,607 295,715 0.04%
#66 HOMEBREW_FORCE_BREWED_CURL 107 0 295,125 295,232 0.04%
#67 HOMEBREW_API_AUTO_UPDATE_SECS `450`. 100 0 294,931 295,031 0.03%
#68 HOMEBREW_GIT_NAME 96 0 294,879 294,975 0.03%
#69 HOMEBREW_UPGRADE_GREEDY 92 1 294,195 294,288 0.03%
#70 HOMEBREW_BAT 81 0 294,913 294,994 0.03%
#71 HOMEBREW_DOCKER_REGISTRY_BASIC_AUTH_TOKEN 78 0 294,358 294,436 0.03%
#72 HOMEBREW_USE_INTERNAL_API 75 0 294,025 294,100 0.03%
#73 HOMEBREW_ARTIFACT_DOMAIN_NO_FALLBACK 72 0 294,945 295,017 0.02%
#74 HOMEBREW_NO_UPGRADE_QUIT_CASKS 70 0 294,776 294,846 0.02%
#75 HOMEBREW_GIT_EMAIL 66 0 294,651 294,717 0.02%
#76 HOMEBREW_NO_CLEANUP_FORMULAE 62 0 295,157 295,219 0.02%
#77 HOMEBREW_NO_GITHUB_API 55 0 295,739 295,794 0.02%
#78 HOMEBREW_UPGRADE_GREEDY_CASKS 51 0 294,662 294,713 0.02%
#79 HOMEBREW_MAKE_JOBS The number of available CPU cores. 44 23 294,572 294,639 0.01%
#80 HOMEBREW_FAIL_LOG_LINES `15`. 42 0 294,084 294,126 0.01%
#81 HOMEBREW_NO_VERIFY_ATTESTATIONS 36 0 294,290 294,326 0.01%
#82 HOMEBREW_SIMULATE_MACOS_ON_LINUX 36 0 294,541 294,577 0.01%
#83 HOMEBREW_GITHUB_PACKAGES_TOKEN 36 0 294,922 294,958 0.01%
#84 HOMEBREW_FORCE_BREWED_GIT 36 0 295,088 295,124 0.01%
#85 HOMEBREW_VERBOSE 32 0 295,532 295,564 0.01%
#86 HOMEBREW_BUNDLE_NO_JOBS 30 0 295,972 296,002 0.01%
#87 HOMEBREW_FORCE_BREWED_CA_CERTIFICATES 27 0 295,125 295,152 0.01%
#88 HOMEBREW_FORBIDDEN_LICENSES 21 0 295,252 295,273 0.01%
#89 HOMEBREW_NO_PATH_SHADOW_CHECK 20 1 294,430 294,451 0.01%
#90 HOMEBREW_FORCE_VENDOR_RUBY 20 0 294,934 294,954 0.01%
#91 HOMEBREW_FORBID_CASKS 17 4 295,046 295,067 0.01%
#92 HOMEBREW_NO_AUTOREMOVE 16 0 294,913 294,929 0.01%
#93 HOMEBREW_BUNDLE_NO_DESCRIBE 14 0 295,835 295,849 0%
#94 HOMEBREW_BUNDLE_DUMP_NO_VSCODE 13 0 294,515 294,528 0%
#95 HOMEBREW_BUNDLE_JOBS `auto`. 12 1 295,217 295,230 0%
#96 HOMEBREW_BUNDLE_DUMP_NO_NPM 12 0 295,619 295,631 0%
#97 HOMEBREW_BUNDLE_FORCE_INSTALL_CLEANUP 11 0 294,474 294,485 0%
#98 HOMEBREW_BUNDLE_DUMP_NO_GO 11 0 295,048 295,059 0%
#99 HOMEBREW_FORCE_API_AUTO_UPDATE 8 0 294,273 294,281 0%
#100 HOMEBREW_BUNDLE_INSTALL_CLEANUP 8 0 294,413 294,421 0%
#101 HOMEBREW_BAT_CONFIG_PATH `$BAT_CONFIG_PATH`. 8 0 295,051 295,059 0%
#102 HOMEBREW_EVAL_ALL 7 0 294,881 294,888 0%
#103 HOMEBREW_BUNDLE_DUMP_NO_CARGO 6 0 294,436 294,442 0%
#104 HOMEBREW_LIVECHECK_AUTOBUMP 6 0 295,358 295,364 0%
#105 HOMEBREW_BUNDLE_USER_CACHE 5 0 294,359 294,364 0%
#106 HOMEBREW_FORMULA_POSTINSTALL_NETWORK 5 0 295,033 295,038 0%
#107 HOMEBREW_BUNDLE_DUMP_NO_UV 4 0 293,893 293,897 0%
#108 HOMEBREW_AVOID_NESTED_SANDBOXING 4 0 294,672 294,676 0%
#109 HOMEBREW_BUNDLE_DUMP_NO_KREW 4 0 294,852 294,856 0%
#110 HOMEBREW_BUNDLE_DUMP_NO_FLATPAK 4 0 295,012 295,016 0%
#111 HOMEBREW_FORMULA_BUILD_NETWORK 4 0 295,463 295,467 0%
#112 HOMEBREW_GITHUB_PACKAGES_USER 3 0 294,782 294,785 0%
#113 HOMEBREW_FORBID_PACKAGES_FROM_PATHS true unless `$HOMEBREW_DEVELOPER` is set. 3 937 294,203 295,143 0%
#114 HOMEBREW_ARCH `native`. 3 0 295,240 295,243 0%
#115 HOMEBREW_BUNDLE_DUMP_DESCRIBE 2 0 294,026 294,028 0%
#116 HOMEBREW_BUNDLE_CLEANUP_NO_MAS 2 0 294,222 294,224 0%
#117 HOMEBREW_GIT_COMMITTER_NAME 2 0 294,789 294,791 0%
#118 HOMEBREW_BUNDLE_DUMP_NO_MAS 2 0 294,911 294,913 0%
#119 HOMEBREW_DEBUG 2 0 294,988 294,990 0%
#120 HOMEBREW_PRY 1 0 294,750 294,751 0%
#121 HOMEBREW_NO_BOOTSNAP 1 0 294,970 294,971 0%
#122 HOMEBREW_BUNDLE_CLEANUP_NO_CASK 1 0 295,229 295,230 0%
#123 HOMEBREW_GIT_COMMITTER_EMAIL 1 0 295,474 295,475 0%
#124 HOMEBREW_FORBIDDEN_CASK_ARTIFACTS 1 0 296,036 296,037 0%
#125 HOMEBREW_BUNDLE_CLEANUP_NO_KREW 0 0 294,546 294,546 0%
#126 HOMEBREW_AUTO_UPDATE_QUIET 0 0 15,196 15,196 0%
#127 HOMEBREW_DISABLE_LOAD_FORMULA 0 0 294,371 294,371 0%
#128 HOMEBREW_SVN A Homebrew-built Subversion (if installed), or the system-provided binary. 0 0 294,055 294,055 0%
#129 HOMEBREW_NO_FORCE_BREW_WRAPPER 0 0 294,270 294,270 0%
#130 HOMEBREW_BUNDLE_SECRETS 0 0 294,977 294,977 0%
#131 HOMEBREW_BUNDLE_CLEANUP_NO_WINGET 0 0 295,323 295,323 0%
#132 HOMEBREW_BUNDLE_CLEANUP_NO_BREW 0 0 293,349 293,349 0%
#133 HOMEBREW_NO_EVAL_ENV_SCRUBBING 0 0 295,104 295,104 0%
#134 HOMEBREW_NO_SANDBOX_CASK 0 0 294,210 294,210 0%
#135 HOMEBREW_SANDBOX_LINUX `true`. 0 0 294,762 294,762 0%
#136 HOMEBREW_BUNDLE_DUMP_NO_WINGET 0 0 295,499 295,499 0%
#137 HOMEBREW_LIVECHECK_WATCHLIST `${XDG_CONFIG_HOME}/homebrew/livecheck_watchlist.txt` if `$XDG_CONFIG_HOME` is set or `~/.homebrew/livecheck_watchlist.txt` otherwise. 0 0 294,716 294,716 0%
#138 HOMEBREW_CASK_OPTS_REQUIRE_SHA 0 0 295,476 295,476 0%
#139 HOMEBREW_CASK_OPTS_BINARIES 0 0 294,389 294,389 0%
#140 HOMEBREW_SKIP_OR_LATER_BOTTLES 0 0 294,781 294,781 0%
#141 HOMEBREW_BUNDLE_CLEANUP_NO_NPM 0 0 295,807 295,807 0%
#142 HOMEBREW_BUNDLE_CLEANUP_NO_CARGO 0 0 295,441 295,441 0%
#143 HOMEBREW_CURL_VERBOSE 0 0 294,692 294,692 0%
#144 HOMEBREW_BUNDLE_CLEANUP_NO_FLATPAK 0 0 293,983 293,983 0%
#145 HOMEBREW_BUNDLE_CLEANUP_NO_TAP 0 0 295,219 295,219 0%
#146 HOMEBREW_SBOM `true`. 0 0 295,334 295,334 0%
#147 HOMEBREW_SUDO_THROUGH_SUDO_USER 0 0 294,010 294,010 0%
#148 HOMEBREW_ASK `true`. 0 4 294,726 294,730 0%
#149 HOMEBREW_ENV_SYNC_STRICT 0 0 294,782 294,782 0%
#150 HOMEBREW_UPGRADE_AUTO_UPDATES_CASKS `true`. 0 3 294,748 294,751 0%
#151 HOMEBREW_REQUIRE_TAP_TRUST `true`. 0 318 294,048 294,366 0%
#152 HOMEBREW_BUNDLE_DUMP_NO_TAP 0 0 294,381 294,381 0%
#153 HOMEBREW_BUNDLE_CLEANUP_NO_VSCODE 0 0 294,726 294,726 0%
#154 HOMEBREW_BUNDLE_CLEANUP_NO_UV 0 0 295,046 295,046 0%
#155 HOMEBREW_BUNDLE_CLEANUP_NO_GO 0 0 294,900 294,900 0%
#156 HOMEBREW_BUNDLE_DESCRIBE `true`. 0 0 295,305 295,305 0%
#157 HOMEBREW_FORMULA_TEST_NETWORK 0 0 294,785 294,785 0%
#158 HOMEBREW_BUNDLE_NO_SECRETS `true`. 0 0 293,761 293,761 0%
#159 HOMEBREW_BUNDLE_DUMP_NO_BREW 0 0 295,102 295,102 0%
#160 HOMEBREW_BUNDLE_DUMP_NO_CASK 0 0 295,640 295,640 0%