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Speed up brew --prefix

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Move --prefix, --cellar to the top of brew.sh. Timings on master:

    brew --prefix > /dev/null  0.05s user 0.03s system 46% cpu 0.165 total
    brew --prefix > /dev/null  0.05s user 0.04s system 63% cpu 0.131 total
    brew --prefix > /dev/null  0.04s user 0.03s system 72% cpu 0.104 total
    brew --prefix > /dev/null  0.04s user 0.03s system 87% cpu 0.080 total
    brew --prefix > /dev/null  0.04s user 0.03s system 81% cpu 0.080 total
    brew --prefix > /dev/null  0.04s user 0.03s system 84% cpu 0.075 total
    brew --prefix > /dev/null  0.04s user 0.03s system 83% cpu 0.080 total
    brew --prefix > /dev/null  0.04s user 0.02s system 84% cpu 0.072 total
    brew --prefix > /dev/null  0.04s user 0.03s system 86% cpu 0.072 total
    brew --prefix > /dev/null  0.04s user 0.03s system 82% cpu 0.075 total
    brew --prefix > /dev/null  0.04s user 0.03s system 85% cpu 0.072 total
    brew --prefix > /dev/null  0.04s user 0.03s system 84% cpu 0.076 total
    brew --prefix > /dev/null  0.04s user 0.03s system 85% cpu 0.074 total
    brew --prefix > /dev/null  0.03s user 0.03s system 83% cpu 0.073 total
    brew --prefix > /dev/null  0.04s user 0.02s system 83% cpu 0.072 total
    brew --prefix > /dev/null  0.03s user 0.03s system 86% cpu 0.068 total
    brew --prefix > /dev/null  0.04s user 0.03s system 82% cpu 0.080 total
    brew --prefix > /dev/null  0.04s user 0.03s system 84% cpu 0.079 total
    brew --prefix > /dev/null  0.04s user 0.02s system 83% cpu 0.070 total
    brew --prefix > /dev/null  0.03s user 0.03s system 84% cpu 0.072 total

With the patch applied:

    brew --prefix > /dev/null  0.02s user 0.02s system 24% cpu 0.157 total
    brew --prefix > /dev/null  0.02s user 0.03s system 53% cpu 0.078 total
    brew --prefix > /dev/null  0.02s user 0.02s system 64% cpu 0.056 total
    brew --prefix > /dev/null  0.02s user 0.03s system 74% cpu 0.065 total
    brew --prefix > /dev/null  0.01s user 0.02s system 73% cpu 0.049 total
    brew --prefix > /dev/null  0.01s user 0.02s system 77% cpu 0.050 total
    brew --prefix > /dev/null  0.01s user 0.02s system 64% cpu 0.054 total
    brew --prefix > /dev/null  0.01s user 0.02s system 77% cpu 0.049 total
    brew --prefix > /dev/null  0.01s user 0.02s system 56% cpu 0.061 total
    brew --prefix > /dev/null  0.02s user 0.02s system 66% cpu 0.060 total
    brew --prefix > /dev/null  0.01s user 0.02s system 62% cpu 0.057 total
    brew --prefix > /dev/null  0.01s user 0.02s system 71% cpu 0.052 total
    brew --prefix > /dev/null  0.02s user 0.03s system 67% cpu 0.063 total
    brew --prefix > /dev/null  0.01s user 0.02s system 70% cpu 0.042 total
    brew --prefix > /dev/null  0.02s user 0.02s system 68% cpu 0.056 total
    brew --prefix > /dev/null  0.01s user 0.02s system 73% cpu 0.049 total
    brew --prefix > /dev/null  0.01s user 0.02s system 62% cpu 0.058 total
    brew --prefix > /dev/null  0.02s user 0.02s system 67% cpu 0.058 total
    brew --prefix > /dev/null  0.01s user 0.02s system 73% cpu 0.043 total
    brew --prefix > /dev/null  0.01s user 0.02s system 65% cpu 0.055 total
This commit is contained in:
Kevin Burke 2017-07-25 06:54:40 -07:00
parent aa8eb21b8c
commit be1764c0a5
No known key found for this signature in database
GPG Key ID: 24B0EF06511BA263
1 changed files with 21 additions and 21 deletions
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42
Library/Homebrew/brew.sh
View File

@ -1,3 +1,24 @@
# Force UTF-8 to avoid encoding issues for users with broken locale settings.
if [[ "$(locale charmap 2>/dev/null)" != "UTF-8" ]]
then
export LC_ALL="en_US.UTF-8"
fi
# Where we store built products; a Cellar in HOMEBREW_PREFIX (often /usr/local
# for bottles) unless there's already a Cellar in HOMEBREW_REPOSITORY.
if [[ -d "$HOMEBREW_REPOSITORY/Cellar" ]]
then
HOMEBREW_CELLAR="$HOMEBREW_REPOSITORY/Cellar"
else
HOMEBREW_CELLAR="$HOMEBREW_PREFIX/Cellar"
fi
case "$*" in
--prefix) echo "$HOMEBREW_PREFIX"; exit 0 ;;
--cellar) echo "$HOMEBREW_CELLAR"; exit 0 ;;
--repository|--repo) echo "$HOMEBREW_REPOSITORY"; exit 0 ;;
esac
HOMEBREW_VERSION="$(git -C "$HOMEBREW_REPOSITORY" describe --tags --dirty --abbrev=7 2>/dev/null)" HOMEBREW_VERSION="$(git -C "$HOMEBREW_REPOSITORY" describe --tags --dirty --abbrev=7 2>/dev/null)"
HOMEBREW_USER_AGENT_VERSION="$HOMEBREW_VERSION" HOMEBREW_USER_AGENT_VERSION="$HOMEBREW_VERSION"
if [[ -z "$HOMEBREW_VERSION" ]] if [[ -z "$HOMEBREW_VERSION" ]]
@ -42,27 +63,6 @@ git() {
"$HOMEBREW_LIBRARY/Homebrew/shims/scm/git" "$@" "$HOMEBREW_LIBRARY/Homebrew/shims/scm/git" "$@"
} }
# Force UTF-8 to avoid encoding issues for users with broken locale settings.
if [[ "$(locale charmap 2>/dev/null)" != "UTF-8" ]]
then
export LC_ALL="en_US.UTF-8"
fi
# Where we store built products; a Cellar in HOMEBREW_PREFIX (often /usr/local
# for bottles) unless there's already a Cellar in HOMEBREW_REPOSITORY.
if [[ -d "$HOMEBREW_REPOSITORY/Cellar" ]]
then
HOMEBREW_CELLAR="$HOMEBREW_REPOSITORY/Cellar"
else
HOMEBREW_CELLAR="$HOMEBREW_PREFIX/Cellar"
fi
case "$*" in
--prefix) echo "$HOMEBREW_PREFIX"; exit 0 ;;
--cellar) echo "$HOMEBREW_CELLAR"; exit 0 ;;
--repository|--repo) echo "$HOMEBREW_REPOSITORY"; exit 0 ;;
esac
if [[ "$HOMEBREW_PREFIX" = "/" || "$HOMEBREW_PREFIX" = "/usr" ]] if [[ "$HOMEBREW_PREFIX" = "/" || "$HOMEBREW_PREFIX" = "/usr" ]]
then then
# it may work, but I only see pain this route and don't want to support it # it may work, but I only see pain this route and don't want to support it