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builtin-blame: set up the work_tree before the first file access

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We check in cmd_blame() if the specified path is there, but we
failed to set up the working tree before that.

While at it, make setup_work_tree() just return if it was run
before.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin 2007-11-09 11:34:07 +00:00 committed by Junio C Hamano
parent 2729cadca2
commit 354e6534c1
2 changed files with 9 additions and 2 deletions
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1
builtin-blame.c
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@ -2295,6 +2295,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
else if (i != argc - 1)
usage(blame_usage); /* garbage at end */
setup_work_tree();
if (!has_path_in_work_tree(path))
die("cannot stat path %s: %s",
path, strerror(errno));

10
setup.c
View File

@ -208,12 +208,18 @@ static const char *set_work_tree(const char *dir)
void setup_work_tree(void)
{
const char *work_tree = get_git_work_tree();
const char *git_dir = get_git_dir();
const char *work_tree, *git_dir;
static int initialized = 0;
if (initialized)
return;
work_tree = get_git_work_tree();
git_dir = get_git_dir();
if (!is_absolute_path(git_dir))
set_git_dir(make_absolute_path(git_dir));
if (!work_tree || chdir(work_tree))
die("This operation must be run in a work tree");
initialized = 1;
}
/*