Merge pull request #4179 from libgit2/ethomson/expand_tilde
Introduce home directory expansion function for config files, attribute files
diff --git a/src/attrcache.c b/src/attrcache.c
index 4df14ee..5416189 100644
--- a/src/attrcache.c
+++ b/src/attrcache.c
@@ -290,14 +290,16 @@
const char *cfgval = entry->value;
/* expand leading ~/ as needed */
- if (cfgval && cfgval[0] == '~' && cfgval[1] == '/' &&
- !git_sysdir_find_global_file(&buf, &cfgval[2]))
- *out = git_buf_detach(&buf);
- else if (cfgval)
+ if (cfgval && cfgval[0] == '~' && cfgval[1] == '/') {
+ if (! (error = git_sysdir_expand_global_file(&buf, &cfgval[2])))
+ *out = git_buf_detach(&buf);
+ } else if (cfgval) {
*out = git__strdup(cfgval);
+ }
}
- else if (!git_sysdir_find_xdg_file(&buf, fallback))
+ else if (!git_sysdir_find_xdg_file(&buf, fallback)) {
*out = git_buf_detach(&buf);
+ }
git_config_entry_free(entry);
git_buf_free(&buf);
diff --git a/src/config.c b/src/config.c
index cbcea2e..169a628 100644
--- a/src/config.c
+++ b/src/config.c
@@ -1358,9 +1358,6 @@
int git_config_parse_path(git_buf *out, const char *value)
{
- int error = 0;
- const git_buf *home;
-
assert(out && value);
git_buf_sanitize(out);
@@ -1371,16 +1368,7 @@
return -1;
}
- if ((error = git_sysdir_get(&home, GIT_SYSDIR_GLOBAL)) < 0)
- return error;
-
- git_buf_sets(out, home->ptr);
- git_buf_puts(out, value + 1);
-
- if (git_buf_oom(out))
- return -1;
-
- return 0;
+ return git_sysdir_expand_global_file(out, value[1] ? &value[2] : NULL);
}
return git_buf_sets(out, value);
diff --git a/src/config_file.c b/src/config_file.c
index 7df43c8..2302d33 100644
--- a/src/config_file.c
+++ b/src/config_file.c
@@ -1256,7 +1256,7 @@
{
/* From the user's home */
if (path[0] == '~' && path[1] == '/')
- return git_sysdir_find_global_file(out, &path[1]);
+ return git_sysdir_expand_global_file(out, &path[1]);
return git_path_join_unrooted(out, path, dir, NULL);
}
diff --git a/src/sysdir.c b/src/sysdir.c
index ed11221..9312a7e 100644
--- a/src/sysdir.c
+++ b/src/sysdir.c
@@ -275,3 +275,14 @@
path, NULL, GIT_SYSDIR_TEMPLATE, "template");
}
+int git_sysdir_expand_global_file(git_buf *path, const char *filename)
+{
+ int error;
+
+ if ((error = git_sysdir_find_global_file(path, NULL)) == 0) {
+ if (filename)
+ error = git_buf_joinpath(path, path->ptr, filename);
+ }
+
+ return error;
+}
diff --git a/src/sysdir.h b/src/sysdir.h
index 1187898..79f2381 100644
--- a/src/sysdir.h
+++ b/src/sysdir.h
@@ -55,6 +55,18 @@
*/
extern int git_sysdir_find_template_dir(git_buf *path);
+/**
+ * Expand the name of a "global" file (i.e. one in a user's home
+ * directory). Unlike `find_global_file` (above), this makes no
+ * attempt to check for the existence of the file, and is useful if
+ * you want the full path regardless of existence.
+ *
+ * @param path buffer to write the full path into
+ * @param filename name of file in the home directory
+ * @return 0 on success or -1 on error
+ */
+extern int git_sysdir_expand_global_file(git_buf *path, const char *filename);
+
typedef enum {
GIT_SYSDIR_SYSTEM = 0,
GIT_SYSDIR_GLOBAL = 1,
diff --git a/tests/config/include.c b/tests/config/include.c
index 882b89b..0a07c9b 100644
--- a/tests/config/include.c
+++ b/tests/config/include.c
@@ -108,6 +108,26 @@
git_config_free(cfg);
}
+void test_config_include__missing_homedir(void)
+{
+ git_config *cfg;
+ git_buf buf = GIT_BUF_INIT;
+
+ cl_git_pass(git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_GLOBAL, cl_fixture("config")));
+ cl_git_mkfile("including", "[include]\npath = ~/.nonexistentfile\n[foo]\nbar = baz");
+
+ giterr_clear();
+ cl_git_pass(git_config_open_ondisk(&cfg, "including"));
+ cl_assert(giterr_last() == NULL);
+ cl_git_pass(git_config_get_string_buf(&buf, cfg, "foo.bar"));
+ cl_assert_equal_s("baz", git_buf_cstr(&buf));
+
+ git_buf_free(&buf);
+ git_config_free(cfg);
+
+ cl_sandbox_set_search_path_defaults();
+}
+
#define replicate10(s) s s s s s s s s s s
void test_config_include__depth2(void)
{
