Homebrew Environment Configuration Events (30 days)

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

Start Date: 2026-07-11

Total Variables: 160

Total Events: 46803448

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 21,342 0 273,401 294,743 7.24%
#2 HOMEBREW_NO_AUTO_UPDATE 19,834 0 274,809 294,643 6.73%
#3 SUDO_ASKPASS 7,396 0 286,192 293,588 2.52%
#4 HOMEBREW_NO_ENV_HINTS 5,748 0 288,993 294,741 1.95%
#5 HOMEBREW_GITHUB_API_TOKEN 5,525 0 289,183 294,708 1.87%
#6 HOMEBREW_BOTTLE_DOMAIN `https://ghcr.io/v2/homebrew/core`. 4,357 0 290,583 294,940 1.48%
#7 HOMEBREW_NO_INSTALL_CLEANUP 3,973 0 290,158 294,131 1.35%
#8 HOMEBREW_API_DOMAIN `https://formulae.brew.sh/api`. 3,640 22 290,708 294,370 1.24%
#9 HOMEBREW_NO_COLOR `$NO_COLOR`. 3,381 0 290,634 294,015 1.15%
#10 http_proxy 3,377 0 290,614 293,991 1.15%
#11 https_proxy 3,345 0 290,534 293,879 1.14%
#12 HOMEBREW_CLEANUP_PERIODIC_FULL_DAYS `30`. 3,169 2 291,282 294,453 1.08%
#13 HOMEBREW_NO_INSTALL_FROM_API 3,093 0 290,654 293,747 1.05%
#14 HOMEBREW_EDITOR `$EDITOR` or `$VISUAL`. 2,817 0 291,807 294,624 0.96%
#15 no_proxy 2,764 0 290,950 293,714 0.94%
#16 HOMEBREW_PIP_INDEX_URL `https://pypi.org/simple`. 2,561 0 291,246 293,807 0.87%
#17 HOMEBREW_CASK_OPTS 2,382 0 292,018 294,400 0.81%
#18 HOMEBREW_DISPLAY `$DISPLAY`. 2,363 0 292,191 294,554 0.80%
#19 HOMEBREW_NO_ASK 2,332 0 292,328 294,660 0.79%
#20 HOMEBREW_DEVELOPER 2,061 0 291,424 293,485 0.70%
#21 HOMEBREW_CACHE macOS: `~/Library/Caches/Homebrew`, Linux: `$XDG_CACHE_HOME/Homebrew` or `~/.cache/Homebrew`. 1,618 43,485 251,669 296,772 0.55%
#22 HOMEBREW_BREW_GIT_REMOTE `https://github.com/Homebrew/brew`. 1,579 38,605 256,315 296,499 0.53%
#23 HOMEBREW_FORBIDDEN_OWNER `you`. 1,539 0 292,614 294,153 0.52%
#24 all_proxy 1,517 0 292,100 293,617 0.52%
#25 HOMEBREW_TEMP macOS: `/private/tmp`, Linux: `/var/tmp`. 1,137 39,168 255,421 295,726 0.38%
#26 HOMEBREW_CORE_GIT_REMOTE `https://github.com/Homebrew/homebrew-core`. 1,097 38,741 256,033 295,871 0.37%
#27 HOMEBREW_SYSTEM_ENV_TAKES_PRIORITY 1,045 0 294,360 295,405 0.35%
#28 HOMEBREW_INSTALL_BADGE The "Beer Mug" emoji. 1,037 5 292,961 294,003 0.35%
#29 HOMEBREW_GIT_PATH `git`. 1,035 0 293,969 295,004 0.35%
#30 HOMEBREW_FORCE_BREW_WRAPPER 989 0 292,511 293,500 0.34%
#31 HOMEBREW_FORCE_BREW_WRAPPER_HELP_MESSAGE 985 0 294,261 295,246 0.33%
#32 HOMEBREW_NO_REQUIRE_TAP_TRUST 967 0 293,548 294,515 0.33%
#33 HOMEBREW_DISABLE_DEBREW 935 0 293,267 294,202 0.32%
#34 HOMEBREW_FORBIDDEN_CASKS 834 0 293,853 294,687 0.28%
#35 HOMEBREW_BROWSER `$BROWSER` or the OS's default browser. 799 0 292,883 293,682 0.27%
#36 HOMEBREW_COLOR 742 0 294,393 295,135 0.25%
#37 HOMEBREW_FORBIDDEN_FORMULAE 684 0 293,568 294,252 0.23%
#38 HOMEBREW_FORBIDDEN_OWNER_CONTACT 650 0 294,289 294,939 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 `$HOMEBREW_NO_INSTALL_FROM_API` is set. 645 191 293,007 293,843 0.22%
#40 HOMEBREW_LOGS macOS: `~/Library/Logs/Homebrew`, Linux: `${XDG_CACHE_HOME}/Homebrew/Logs` or `~/.cache/Homebrew/Logs`. 631 43,431 252,041 296,103 0.21%
#41 HOMEBREW_LOCK_CONTEXT 544 0 293,583 294,127 0.18%
#42 HOMEBREW_FORBIDDEN_TAPS 487 0 293,543 294,030 0.17%
#43 HOMEBREW_ARTIFACT_DOMAIN 486 0 292,982 293,468 0.17%
#44 ftp_proxy 372 0 293,601 293,973 0.13%
#45 HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK 362 5 293,912 294,279 0.12%
#46 HOMEBREW_NO_UPGRADE_AUTO_UPDATES_CASKS 349 0 293,044 293,393 0.12%
#47 HOMEBREW_DISPLAY_INSTALL_TIMES 312 0 293,852 294,164 0.11%
#48 HOMEBREW_CURL_PATH `curl`. 268 0 293,850 294,118 0.09%
#49 HOMEBREW_VERBOSE_USING_DOTS 253 0 294,897 295,150 0.09%
#50 HOMEBREW_NO_SANDBOX_LINUX 239 0 293,373 293,612 0.08%
#51 HOMEBREW_DOCKER_REGISTRY_TOKEN 234 0 294,756 294,990 0.08%
#52 HOMEBREW_SORBET_RUNTIME 227 0 294,362 294,589 0.08%
#53 HOMEBREW_VERIFY_ATTESTATIONS 216 0 293,403 293,619 0.07%
#54 HOMEBREW_CLEANUP_MAX_AGE_DAYS `120`. 213 0 294,009 294,222 0.07%
#55 HOMEBREW_ALLOWED_TAPS 204 0 294,723 294,927 0.07%
#56 HOMEBREW_SORBET_RECURSIVE 198 0 293,056 293,254 0.07%
#57 HOMEBREW_NO_INSECURE_REDIRECT 197 0 294,171 294,368 0.07%
#58 HOMEBREW_CURLRC 188 0 294,655 294,843 0.06%
#59 HOMEBREW_BAT_THEME `$BAT_THEME`. 171 0 294,439 294,610 0.06%
#60 HOMEBREW_NO_UPDATE_REPORT_NEW 149 0 294,059 294,208 0.05%
#61 HOMEBREW_CURL_RETRIES `3`. 129 268 293,234 293,631 0.04%
#62 HOMEBREW_SSH_CONFIG_PATH `~/.ssh/config` 127 1 294,513 294,641 0.04%
#63 HOMEBREW_DOWNLOAD_CONCURRENCY `auto`. 125 2,607 291,970 294,702 0.04%
#64 HOMEBREW_NO_INSTALL_UPGRADE 115 2 294,230 294,347 0.04%
#65 HOMEBREW_NO_EMOJI 108 0 294,895 295,003 0.04%
#66 HOMEBREW_FORCE_BREWED_CURL 107 0 294,409 294,516 0.04%
#67 HOMEBREW_API_AUTO_UPDATE_SECS `450`. 99 0 294,192 294,291 0.03%
#68 HOMEBREW_GIT_NAME 96 0 294,147 294,243 0.03%
#69 HOMEBREW_UPGRADE_GREEDY 92 1 293,464 293,557 0.03%
#70 HOMEBREW_BAT 81 0 294,176 294,257 0.03%
#71 HOMEBREW_DOCKER_REGISTRY_BASIC_AUTH_TOKEN 78 0 293,644 293,722 0.03%
#72 HOMEBREW_USE_INTERNAL_API 75 0 293,303 293,378 0.03%
#73 HOMEBREW_ARTIFACT_DOMAIN_NO_FALLBACK 72 0 294,214 294,286 0.02%
#74 HOMEBREW_NO_UPGRADE_QUIT_CASKS 70 0 294,055 294,125 0.02%
#75 HOMEBREW_GIT_EMAIL 66 0 293,943 294,009 0.02%
#76 HOMEBREW_NO_CLEANUP_FORMULAE 62 0 294,478 294,540 0.02%
#77 HOMEBREW_NO_GITHUB_API 55 0 295,052 295,107 0.02%
#78 HOMEBREW_UPGRADE_GREEDY_CASKS 51 0 293,987 294,038 0.02%
#79 HOMEBREW_MAKE_JOBS The number of available CPU cores. 44 23 293,852 293,919 0.01%
#80 HOMEBREW_FAIL_LOG_LINES `15`. 42 0 293,439 293,481 0.01%
#81 HOMEBREW_NO_VERIFY_ATTESTATIONS 36 0 293,586 293,622 0.01%
#82 HOMEBREW_SIMULATE_MACOS_ON_LINUX 36 0 293,821 293,857 0.01%
#83 HOMEBREW_GITHUB_PACKAGES_TOKEN 36 0 294,234 294,270 0.01%
#84 HOMEBREW_FORCE_BREWED_GIT 36 0 294,415 294,451 0.01%
#85 HOMEBREW_VERBOSE 32 0 294,852 294,884 0.01%
#86 HOMEBREW_BUNDLE_NO_JOBS 30 0 295,264 295,294 0.01%
#87 HOMEBREW_FORCE_BREWED_CA_CERTIFICATES 27 0 294,428 294,455 0.01%
#88 HOMEBREW_FORBIDDEN_LICENSES 21 0 294,571 294,592 0.01%
#89 HOMEBREW_NO_PATH_SHADOW_CHECK 20 1 293,749 293,770 0.01%
#90 HOMEBREW_FORCE_VENDOR_RUBY 20 0 294,211 294,231 0.01%
#91 HOMEBREW_FORBID_CASKS 17 4 294,363 294,384 0.01%
#92 HOMEBREW_NO_AUTOREMOVE 16 0 294,232 294,248 0.01%
#93 HOMEBREW_BUNDLE_NO_DESCRIBE 14 0 295,135 295,149 0%
#94 HOMEBREW_BUNDLE_DUMP_NO_VSCODE 13 0 293,841 293,854 0%
#95 HOMEBREW_BUNDLE_JOBS `auto`. 12 1 294,474 294,487 0%
#96 HOMEBREW_BUNDLE_DUMP_NO_NPM 12 0 294,874 294,886 0%
#97 HOMEBREW_BUNDLE_FORCE_INSTALL_CLEANUP 11 0 293,742 293,753 0%
#98 HOMEBREW_BUNDLE_DUMP_NO_GO 11 0 294,360 294,371 0%
#99 HOMEBREW_FORCE_API_AUTO_UPDATE 8 0 293,576 293,584 0%
#100 HOMEBREW_BUNDLE_INSTALL_CLEANUP 8 0 293,720 293,728 0%
#101 HOMEBREW_BAT_CONFIG_PATH `$BAT_CONFIG_PATH`. 8 0 294,361 294,369 0%
#102 HOMEBREW_EVAL_ALL 7 0 294,200 294,207 0%
#103 HOMEBREW_BUNDLE_DUMP_NO_CARGO 6 0 293,716 293,722 0%
#104 HOMEBREW_BUNDLE_USER_CACHE 5 0 293,670 293,675 0%
#105 HOMEBREW_FORMULA_POSTINSTALL_NETWORK 5 0 294,367 294,372 0%
#106 HOMEBREW_LIVECHECK_AUTOBUMP 5 0 294,618 294,623 0%
#107 HOMEBREW_BUNDLE_DUMP_NO_UV 4 0 293,196 293,200 0%
#108 HOMEBREW_AVOID_NESTED_SANDBOXING 4 0 293,902 293,906 0%
#109 HOMEBREW_BUNDLE_DUMP_NO_KREW 4 0 294,134 294,138 0%
#110 HOMEBREW_BUNDLE_DUMP_NO_FLATPAK 4 0 294,320 294,324 0%
#111 HOMEBREW_FORMULA_BUILD_NETWORK 4 0 294,747 294,751 0%
#112 HOMEBREW_GITHUB_PACKAGES_USER 3 0 294,063 294,066 0%
#113 HOMEBREW_FORBID_PACKAGES_FROM_PATHS true unless `$HOMEBREW_DEVELOPER` is set. 3 934 293,482 294,419 0%
#114 HOMEBREW_ARCH `native`. 3 0 294,552 294,555 0%
#115 HOMEBREW_BUNDLE_DUMP_DESCRIBE 2 0 293,294 293,296 0%
#116 HOMEBREW_BUNDLE_CLEANUP_NO_MAS 2 0 293,560 293,562 0%
#117 HOMEBREW_GIT_COMMITTER_NAME 2 0 294,075 294,077 0%
#118 HOMEBREW_BUNDLE_DUMP_NO_MAS 2 0 294,218 294,220 0%
#119 HOMEBREW_DEBUG 2 0 294,278 294,280 0%
#120 HOMEBREW_PRY 1 0 294,076 294,077 0%
#121 HOMEBREW_NO_BOOTSNAP 1 0 294,252 294,253 0%
#122 HOMEBREW_BUNDLE_CLEANUP_NO_CASK 1 0 294,513 294,514 0%
#123 HOMEBREW_GIT_COMMITTER_EMAIL 1 0 294,774 294,775 0%
#124 HOMEBREW_FORBIDDEN_CASK_ARTIFACTS 1 0 295,373 295,374 0%
#125 HOMEBREW_BUNDLE_CLEANUP_NO_UV 0 0 294,359 294,359 0%
#126 HOMEBREW_LIVECHECK_WATCHLIST `${XDG_CONFIG_HOME}/homebrew/livecheck_watchlist.txt` if `$XDG_CONFIG_HOME` is set or `~/.homebrew/livecheck_watchlist.txt` otherwise. 0 0 293,988 293,988 0%
#127 HOMEBREW_BUNDLE_CLEANUP_NO_VSCODE 0 0 293,984 293,984 0%
#128 HOMEBREW_BUNDLE_DUMP_NO_TAP 0 0 293,669 293,669 0%
#129 HOMEBREW_BUNDLE_DESCRIBE `true`. 0 0 294,595 294,595 0%
#130 HOMEBREW_ASK `true`. 0 4 293,983 293,987 0%
#131 HOMEBREW_BUNDLE_CLEANUP_NO_CARGO 0 0 294,737 294,737 0%
#132 HOMEBREW_UPGRADE_AUTO_UPDATES_CASKS `true`. 0 3 294,085 294,088 0%
#133 HOMEBREW_FORMULA_TEST_NETWORK 0 0 294,077 294,077 0%
#134 HOMEBREW_BUNDLE_CLEANUP_NO_GO 0 0 294,215 294,215 0%
#135 HOMEBREW_NO_EVAL_ENV_SCRUBBING 0 0 294,421 294,421 0%
#136 HOMEBREW_SBOM `true`. 0 0 294,623 294,623 0%
#137 HOMEBREW_AUTO_UPDATE_QUIET 0 0 14,598 14,598 0%
#138 HOMEBREW_BUNDLE_DUMP_NO_WINGET 0 0 294,800 294,800 0%
#139 HOMEBREW_REQUIRE_TAP_TRUST `true`. 0 318 293,392 293,710 0%
#140 HOMEBREW_CASK_OPTS_BINARIES 0 0 293,708 293,708 0%
#141 HOMEBREW_NO_FORCE_BREW_WRAPPER 0 0 293,585 293,585 0%
#142 HOMEBREW_BUNDLE_CLEANUP_NO_NPM 0 0 295,105 295,105 0%
#143 HOMEBREW_BUNDLE_CLEANUP_NO_TAP 0 0 294,524 294,524 0%
#144 HOMEBREW_BUNDLE_DUMP_NO_CASK 0 0 294,945 294,945 0%
#145 HOMEBREW_BUNDLE_NO_SECRETS `true`. 0 0 293,039 293,039 0%
#146 HOMEBREW_NO_SANDBOX_CASK 0 0 293,488 293,488 0%
#147 HOMEBREW_SVN A Homebrew-built Subversion (if installed), or the system-provided binary. 0 0 293,408 293,408 0%
#148 HOMEBREW_DISABLE_LOAD_FORMULA 0 0 293,689 293,689 0%
#149 HOMEBREW_SUDO_THROUGH_SUDO_USER 0 0 293,326 293,326 0%
#150 HOMEBREW_CASK_OPTS_REQUIRE_SHA 0 0 294,768 294,768 0%
#151 HOMEBREW_BUNDLE_CLEANUP_NO_FLATPAK 0 0 293,291 293,291 0%
#152 HOMEBREW_BUNDLE_DUMP_NO_BREW 0 0 294,378 294,378 0%
#153 HOMEBREW_BUNDLE_CLEANUP_NO_KREW 0 0 293,872 293,872 0%
#154 HOMEBREW_BUNDLE_SECRETS 0 0 294,294 294,294 0%
#155 HOMEBREW_ENV_SYNC_STRICT 0 0 294,066 294,066 0%
#156 HOMEBREW_SKIP_OR_LATER_BOTTLES 0 0 294,076 294,076 0%
#157 HOMEBREW_BUNDLE_CLEANUP_NO_BREW 0 0 292,666 292,666 0%
#158 HOMEBREW_BUNDLE_CLEANUP_NO_WINGET 0 0 294,597 294,597 0%
#159 HOMEBREW_CURL_VERBOSE 0 0 293,969 293,969 0%
#160 HOMEBREW_SANDBOX_LINUX `true`. 0 0 294,094 294,094 0%