X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=setup.c;h=2afdba414a073705440f887593a1b5daa1023758;hb=26cdd1e7c7a21b6d71ebc201fc2472a6a68f5ce4;hp=36ede3d87483548bb1ce6c19361d7f6584386147;hpb=5df466c507ee2dd81c2e9002c3fedf3536cde0dc;p=git.git

diff --git a/setup.c b/setup.c
index 36ede3d87..2afdba414 100644
--- a/setup.c
+++ b/setup.c
@@ -62,6 +62,49 @@ const char *prefix_filename(const char *pfx, int pfx_len, const char *arg)
 	return path;
 }
 
+/*
+ * Verify a filename that we got as an argument for a pathspec
+ * entry. Note that a filename that begins with "-" never verifies
+ * as true, because even if such a filename were to exist, we want
+ * it to be preceded by the "--" marker (or we want the user to
+ * use a format like "./-filename")
+ */
+void verify_filename(const char *prefix, const char *arg)
+{
+	const char *name;
+	struct stat st;
+
+	if (*arg == '-')
+		die("bad flag '%s' used after filename", arg);
+	name = prefix ? prefix_filename(prefix, strlen(prefix), arg) : arg;
+	if (!lstat(name, &st))
+		return;
+	if (errno == ENOENT)
+		die("ambiguous argument '%s': unknown revision or path not in the working tree.\n"
+		    "Use '--' to separate paths from revisions", arg);
+	die("'%s': %s", arg, strerror(errno));
+}
+
+/*
+ * Opposite of the above: the command line did not have -- marker
+ * and we parsed the arg as a refname.  It should not be interpretable
+ * as a filename.
+ */
+void verify_non_filename(const char *prefix, const char *arg)
+{
+	const char *name;
+	struct stat st;
+
+	if (*arg == '-')
+		return; /* flag */
+	name = prefix ? prefix_filename(prefix, strlen(prefix), arg) : arg;
+	if (!lstat(name, &st))
+		die("ambiguous argument '%s': both revision and filename\n"
+		    "Use '--' to separate filenames from revisions", arg);
+	if (errno != ENOENT)
+		die("'%s': %s", arg, strerror(errno));
+}
+
 const char **get_pathspec(const char *prefix, const char **pathspec)
 {
 	const char *entry = *pathspec;
@@ -141,6 +184,10 @@ const char *setup_git_directory_gently(int *nongit_ok)
 		}
 		return NULL;
 	bad_dir_environ:
+		if (nongit_ok) {
+			*nongit_ok = 1;
+			return NULL;
+		}
 		path[len] = 0;
 		die("Not a git repository: '%s'", path);
 	}
@@ -176,12 +223,27 @@ const char *setup_git_directory_gently(int *nongit_ok)
 	return cwd + offset;
 }
 
+int git_config_perm(const char *var, const char *value)
+{
+	if (value) {
+		if (!strcmp(value, "umask"))
+			return PERM_UMASK;
+		if (!strcmp(value, "group"))
+			return PERM_GROUP;
+		if (!strcmp(value, "all") ||
+		    !strcmp(value, "world") ||
+		    !strcmp(value, "everybody"))
+			return PERM_EVERYBODY;
+	}
+	return git_config_bool(var, value);
+}
+
 int check_repository_format_version(const char *var, const char *value)
 {
        if (strcmp(var, "core.repositoryformatversion") == 0)
                repository_format_version = git_config_int(var, value);
 	else if (strcmp(var, "core.sharedrepository") == 0)
-		shared_repository = git_config_bool(var, value);
+		shared_repository = git_config_perm(var, value);
        return 0;
 }