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authorMatthias Lederhofer <matled@gmx.net>2007-06-06 09:10:42 +0200
committerJunio C Hamano <gitster@pobox.com>2007-06-06 16:07:53 -0700
commit892c41b98ae2e6baf3aa13901cb10db9ac67d2f3 (patch)
treeb5132aafb000c7a837fb590060e18e73aca6bb78 /t/test-lib.sh
parentdace6e44f6599495eb4317efa90885b6eba5c62e (diff)
downloadgit-892c41b98ae2e6baf3aa13901cb10db9ac67d2f3.tar.gz
git-892c41b98ae2e6baf3aa13901cb10db9ac67d2f3.tar.xz
introduce GIT_WORK_TREE to specify the work tree
setup_gdg is used as abbreviation for setup_git_directory_gently. The work tree can be specified using the environment variable GIT_WORK_TREE and the config option core.worktree (the environment variable has precendence over the config option). Additionally there is a command line option --work-tree which sets the environment variable. setup_gdg does the following now: GIT_DIR unspecified repository in .git directory parent directory of the .git directory is used as work tree, GIT_WORK_TREE is ignored GIT_DIR unspecified repository in cwd GIT_DIR is set to cwd see the cases with GIT_DIR specified what happens next and also see the note below GIT_DIR specified GIT_WORK_TREE/core.worktree unspecified cwd is used as work tree GIT_DIR specified GIT_WORK_TREE/core.worktree specified the specified work tree is used Note on the case where GIT_DIR is unspecified and repository is in cwd: GIT_WORK_TREE is used but is_inside_git_dir is always true. I did it this way because setup_gdg might be called multiple times (e.g. when doing alias expansion) and in successive calls setup_gdg should do the same thing every time. Meaning of is_bare/is_inside_work_tree/is_inside_git_dir: (1) is_bare_repository A repository is bare if core.bare is true or core.bare is unspecified and the name suggests it is bare (directory not named .git). The bare option disables a few protective checks which are useful with a working tree. Currently this changes if a repository is bare: updates of HEAD are allowed git gc packs the refs the reflog is disabled by default (2) is_inside_work_tree True if the cwd is inside the associated working tree (if there is one), false otherwise. (3) is_inside_git_dir True if the cwd is inside the git directory, false otherwise. Before this patch is_inside_git_dir was always true for bare repositories. When setup_gdg finds a repository git_config(git_default_config) is always called. This ensure that is_bare_repository makes use of core.bare and does not guess even though core.bare is specified. inside_work_tree and inside_git_dir are set if setup_gdg finds a repository. The is_inside_work_tree and is_inside_git_dir functions will die if they are called before a successful call to setup_gdg. Signed-off-by: Matthias Lederhofer <matled@gmx.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/test-lib.sh')
-rw-r--r--t/test-lib.sh1
1 files changed, 1 insertions, 0 deletions
diff --git a/t/test-lib.sh b/t/test-lib.sh
index dee3ad762..b61e1d598 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -26,6 +26,7 @@ GIT_COMMITTER_EMAIL=committer@example.com
GIT_COMMITTER_NAME='C O Mitter'
unset GIT_DIFF_OPTS
unset GIT_DIR
+unset GIT_WORK_TREE
unset GIT_EXTERNAL_DIFF
unset GIT_INDEX_FILE
unset GIT_OBJECT_DIRECTORY