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-rw-r--r--setup.c50
1 files changed, 40 insertions, 10 deletions
diff --git a/setup.c b/setup.c
index f67250b7c1..0717a98d16 100644
--- a/setup.c
+++ b/setup.c
@@ -18,9 +18,12 @@ const char *prefix_path(const char *prefix, int len, const char *path)
if (normalize_path_copy(sanitized, sanitized))
goto error_out;
if (is_absolute_path(orig)) {
+ size_t len, total;
const char *work_tree = get_git_work_tree();
- size_t len = strlen(work_tree);
- size_t total = strlen(sanitized) + 1;
+ if (!work_tree)
+ goto error_out;
+ len = strlen(work_tree);
+ total = strlen(sanitized) + 1;
if (strncmp(sanitized, work_tree, len) ||
(sanitized[len] != '\0' && sanitized[len] != '/')) {
error_out:
@@ -74,6 +77,18 @@ int check_filename(const char *prefix, const char *arg)
die_errno("failed to stat '%s'", arg);
}
+static void NORETURN die_verify_filename(const char *prefix, const char *arg)
+{
+ unsigned char sha1[20];
+ unsigned mode;
+ /* try a detailed diagnostic ... */
+ get_sha1_with_mode_1(arg, sha1, &mode, 0, prefix);
+ /* ... or fall back the most general message. */
+ die("ambiguous argument '%s': unknown revision or path not in the working tree.\n"
+ "Use '--' to separate paths from revisions", arg);
+
+}
+
/*
* Verify a filename that we got as an argument for a pathspec
* entry. Note that a filename that begins with "-" never verifies
@@ -87,8 +102,7 @@ void verify_filename(const char *prefix, const char *arg)
die("bad flag '%s' used after filename", arg);
if (check_filename(prefix, arg))
return;
- die("ambiguous argument '%s': unknown revision or path not in the working tree.\n"
- "Use '--' to separate paths from revisions", arg);
+ die_verify_filename(prefix, arg);
}
/*
@@ -192,7 +206,7 @@ int is_inside_work_tree(void)
}
/*
- * set_work_tree() is only ever called if you set GIT_DIR explicitely.
+ * 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
* to the cwd, unless overridden by the config, the command line, or
* GIT_WORK_TREE.
@@ -249,6 +263,8 @@ static int check_repository_format_gently(int *nongit_ok)
const char *read_gitfile_gently(const char *path)
{
char *buf;
+ char *dir;
+ const char *slash;
struct stat st;
int fd;
size_t len;
@@ -273,9 +289,23 @@ const char *read_gitfile_gently(const char *path)
if (len < 9)
die("No path in gitfile: %s", path);
buf[len] = '\0';
- if (!is_git_directory(buf + 8))
- die("Not a git repository: %s", buf + 8);
- path = make_absolute_path(buf + 8);
+ dir = buf + 8;
+
+ if (!is_absolute_path(dir) && (slash = strrchr(path, '/'))) {
+ size_t pathlen = slash+1 - path;
+ size_t dirlen = pathlen + len - 8;
+ dir = xmalloc(dirlen + 1);
+ strncpy(dir, path, pathlen);
+ strncpy(dir + pathlen, buf + 8, len - 8);
+ dir[dirlen] = '\0';
+ free(buf);
+ buf = dir;
+ }
+
+ if (!is_git_directory(dir))
+ die("Not a git repository: %s", dir);
+ path = make_absolute_path(dir);
+
free(buf);
return path;
}
@@ -374,9 +404,9 @@ const char *setup_git_directory_gently(int *nongit_ok)
inside_work_tree = 0;
if (offset != len) {
cwd[offset] = '\0';
- setenv(GIT_DIR_ENVIRONMENT, cwd, 1);
+ set_git_dir(cwd);
} else
- setenv(GIT_DIR_ENVIRONMENT, ".", 1);
+ set_git_dir(".");
check_repository_format_gently(nongit_ok);
return NULL;
}