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2015-06-26setup: set env $GIT_WORK_TREE when work tree is set, like $GIT_DIRLibravatar Nguyễn Thái Ngọc Duy1-0/+17
In the test case, we run setup_git_dir_gently() the first time to read $GIT_DIR/config so that we can resolve aliases. We'll enter setup_discovered_git_dir() and may or may not call set_git_dir() near the end of the function, depending on whether the detected git dir is ".git" or not. This set_git_dir() will set env var $GIT_DIR. For normal repo, git dir detected via setup_discovered_git_dir() will be ".git", and set_git_dir() is not called. If .git file is used however, the git dir can't be ".git" and set_git_dir() is called and $GIT_DIR set. This is the key of this problem. If we expand an alias (or autocorrect command names), then setup_git_dir_gently() is run the second time. If $GIT_DIR is not set in the first run, we run the same setup_discovered_git_dir() as before. Nothing to see. If it is, however, we'll enter setup_explicit_git_dir() this time. This is where the "fun" is. If $GIT_WORK_TREE is not set but $GIT_DIR is, you are supposed to be at the root level of the worktree. But if you are in a subdir "foo/bar" (real worktree's top is "foo"), this rule bites you: your detected worktree is now "foo/bar", even though the first run correctly detected worktree as "foo". You get "internal error: work tree has already been set" as a result. Bottom line is, when $GIT_DIR is set, $GIT_WORK_TREE should be set too unless there's no work tree. But setting $GIT_WORK_TREE inside set_git_dir() may backfire. We don't know at that point if work tree is already configured by the caller. So set it when work tree is detected. It does not harm if $GIT_WORK_TREE is set while $GIT_DIR is not. Reported-by: Bjørnar Snoksrud <snoksrud@gmail.com> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-12-09t: trivial whitespace cleanupsLibravatar Felipe Contreras1-2/+1
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-09-30tests: grep portability fixesLibravatar Jeff King1-2/+2
We try to avoid using the "-q" or "-e" options, as they are largely useless, as explained in aadbe44f. There is one exception for "-e" here, which is in t7701 used to produce an "or" of patterns. This can be rewritten as an egrep pattern. This patch also removes use of "grep -F" in favor of the more widely available "fgrep". [sp: Tested on AIX 5.3 by Mike Ralphson, Tested on MinGW by Johannes Sixt] Signed-off-by: Jeff King <peff@peff.net> Tested-by: Mike Ralphson <mike@abacus.co.uk> Tested-by: Johannes Sixt <johannes.sixt@telecom.at> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2008-07-23t/: Replace diff [-u|-U0] with test_cmp to allow compilation with old diffLibravatar Brandon Casey1-1/+1
Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-04-09Add platform-independent .git "symlink"Libravatar Lars Hjemli1-0/+103
This patch allows .git to be a regular textfile containing the path of the real git directory (prefixed with "gitdir: "), which can be useful on platforms lacking support for real symlinks. Signed-off-by: Lars Hjemli <hjemli@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>