git/t/t1504-ceiling-dirs.sh
David Reiss 0454dd93bf Add support for GIT_CEILING_DIRECTORIES
Make git recognize a new environment variable that prevents it from
chdir'ing up into specified directories when looking for a GIT_DIR.
Useful for avoiding slow network directories.

For example, I use git in an environment where homedirs are automounted
and "ls /home/nonexistent" takes about 9 seconds.  Setting
GIT_CEILING_DIRS="/home" allows "git help -a" (for bash completion) and
"git symbolic-ref" (for my shell prompt) to run in a reasonable time.

Signed-off-by: David Reiss <dreiss@facebook.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-05-23 14:15:01 -07:00

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#!/bin/sh
test_description='test GIT_CEILING_DIRECTORIES'
. ./test-lib.sh
test_prefix() {
test_expect_success "$1" \
"test '$2' = \"\$(git rev-parse --show-prefix)\""
}
test_fail() {
test_expect_code 128 "$1: prefix" \
"git rev-parse --show-prefix"
}
TRASH_ROOT="$(pwd)"
ROOT_PARENT=$(dirname "$TRASH_ROOT")
unset GIT_CEILING_DIRECTORIES
test_prefix no_ceil ""
export GIT_CEILING_DIRECTORIES
GIT_CEILING_DIRECTORIES=""
test_prefix ceil_empty ""
GIT_CEILING_DIRECTORIES="$ROOT_PARENT"
test_prefix ceil_at_parent ""
GIT_CEILING_DIRECTORIES="$ROOT_PARENT/"
test_prefix ceil_at_parent_slash ""
GIT_CEILING_DIRECTORIES="$TRASH_ROOT"
test_prefix ceil_at_trash ""
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/"
test_prefix ceil_at_trash_slash ""
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/sub"
test_prefix ceil_at_sub ""
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/sub/"
test_prefix ceil_at_sub_slash ""
mkdir -p sub/dir || exit 1
cd sub/dir || exit 1
unset GIT_CEILING_DIRECTORIES
test_prefix subdir_no_ceil "sub/dir/"
export GIT_CEILING_DIRECTORIES
GIT_CEILING_DIRECTORIES=""
test_prefix subdir_ceil_empty "sub/dir/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT"
test_fail subdir_ceil_at_trash
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/"
test_fail subdir_ceil_at_trash_slash
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/sub"
test_fail subdir_ceil_at_sub
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/sub/"
test_fail subdir_ceil_at_sub_slash
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/sub/dir"
test_prefix subdir_ceil_at_subdir "sub/dir/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/sub/dir/"
test_prefix subdir_ceil_at_subdir_slash "sub/dir/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/su"
test_prefix subdir_ceil_at_su "sub/dir/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/su/"
test_prefix subdir_ceil_at_su_slash "sub/dir/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/sub/di"
test_prefix subdir_ceil_at_sub_di "sub/dir/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/sub/di"
test_prefix subdir_ceil_at_sub_di_slash "sub/dir/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/subdi"
test_prefix subdir_ceil_at_subdi "sub/dir/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/subdi"
test_prefix subdir_ceil_at_subdi_slash "sub/dir/"
GIT_CEILING_DIRECTORIES="foo:$TRASH_ROOT/sub"
test_fail second_of_two
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/sub:bar"
test_fail first_of_two
GIT_CEILING_DIRECTORIES="foo:$TRASH_ROOT/sub:bar"
test_fail second_of_three
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/sub"
GIT_DIR=../../.git
export GIT_DIR
test_prefix git_dir_specified ""
unset GIT_DIR
cd ../.. || exit 1
mkdir -p s/d || exit 1
cd s/d || exit 1
unset GIT_CEILING_DIRECTORIES
test_prefix sd_no_ceil "s/d/"
export GIT_CEILING_DIRECTORIES
GIT_CEILING_DIRECTORIES=""
test_prefix sd_ceil_empty "s/d/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT"
test_fail sd_ceil_at_trash
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/"
test_fail sd_ceil_at_trash_slash
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/s"
test_fail sd_ceil_at_s
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/s/"
test_fail sd_ceil_at_s_slash
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/s/d"
test_prefix sd_ceil_at_sd "s/d/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/s/d/"
test_prefix sd_ceil_at_sd_slash "s/d/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/su"
test_prefix sd_ceil_at_su "s/d/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/su/"
test_prefix sd_ceil_at_su_slash "s/d/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/s/di"
test_prefix sd_ceil_at_s_di "s/d/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/s/di"
test_prefix sd_ceil_at_s_di_slash "s/d/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/sdi"
test_prefix sd_ceil_at_sdi "s/d/"
GIT_CEILING_DIRECTORIES="$TRASH_ROOT/sdi"
test_prefix sd_ceil_at_sdi_slash "s/d/"
test_done