From: Nguyán ThÃi Ngác Duy <pclouds@xxxxxxxxx>
This function, apart from chdir() to worktree topdir, also invalidates
inside_work_tree so is_inside_work_tree() should reflect the new
situation correctly.
This function may be used when cwd is outside worktree and the running
command supports this case.
Signed-off-by: Nguyán ThÃi Ngác Duy <pclouds@xxxxxxxxx>
---
To be used by builtin/grep.c when cwd is outside worktree.
More explanation in the next patch.
cache.h | 1 +
setup.c | 7 +++++++
2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/cache.h b/cache.h
index 2ef2fa3..e71db23 100644
--- a/cache.h
+++ b/cache.h
@@ -414,6 +414,7 @@ extern int set_git_dir(const char *path);
extern const char *get_git_work_tree(void);
extern const char *read_gitfile_gently(const char *path);
extern void set_git_work_tree(const char *tree);
+extern void enter_work_tree();
#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
diff --git a/setup.c b/setup.c
index a3b76de..3fbe928 100644
--- a/setup.c
+++ b/setup.c
@@ -208,6 +208,13 @@ int is_inside_work_tree(void)
return inside_work_tree;
}
+void enter_work_tree(void)
+{
+ if (chdir(get_git_work_tree()))
+ die("Could not chdir to %s", get_git_work_tree());
+ inside_work_tree = -1;
+}
+
/*
* set_work_tree() is only ever called if you set GIT_DIR explicitly.
* The old behaviour (which we retain here) is to set the work tree root
--
1.7.1.rc1.70.g788ca
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