path.c: and an option to call real_path() in expand_user_path()

In the next patch we need the ability to expand '~' to
real_path($HOME). But we can't do that from outside because '~' is part
of a pattern, not a true path. Add an option to expand_user_path() to do
so.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/commit.c b/builtin/commit.c
index 2de5f6cc6401b48852d8174edcbf4e149cbe51cf..4b0fc0eae1235c9bd8650c4dfcfbfbb5a1f8cd29 100644 (file)
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -1404,7 +1404,7 @@ int cmd_status(int argc, const char **argv, const char *prefix)
 
 static const char *implicit_ident_advice(void)
 {
-       char *user_config = expand_user_path("~/.gitconfig");
+       char *user_config = expand_user_path("~/.gitconfig", 0);
        char *xdg_config = xdg_config_home("config");
        int config_exists = file_exists(user_config) || file_exists(xdg_config);
 

diff --git a/builtin/config.c b/builtin/config.c
index 05843a0f96e4dc0dbf9fbc7310039794b57947e7..70bfaaaa1da53a992a6018be62e1c4bc78118948 100644 (file)
--- a/builtin/config.c
+++ b/builtin/config.c
@@ -502,7 +502,7 @@ int cmd_config(int argc, const char **argv, const char *prefix)
        }
 
        if (use_global_config) {
-               char *user_config = expand_user_path("~/.gitconfig");
+               char *user_config = expand_user_path("~/.gitconfig", 0);
                char *xdg_config = xdg_config_home("config");
 
                if (!user_config)

diff --git a/cache.h b/cache.h
index 61fc86e6d7199518555632a0b0b584471b9083a8..bf6eb39cbf164e537983c05cb7689726b00e7a92 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -1098,7 +1098,7 @@ enum scld_error safe_create_leading_directories(char *path);
 enum scld_error safe_create_leading_directories_const(const char *path);
 
 int mkdir_in_gitdir(const char *path);
-extern char *expand_user_path(const char *path);
+extern char *expand_user_path(const char *path, int real_home);
 const char *enter_repo(const char *path, int strict);
 static inline int is_absolute_path(const char *path)
 {

diff --git a/config.c b/config.c
index 0dac0f4cb2b69ce0163f34c685cfc94c734fd239..3da3a50e10896342794a48b14405f2f12d946f66 100644 (file)
--- a/config.c
+++ b/config.c
@@ -135,7 +135,7 @@ static int handle_path_include(const char *path, struct config_include_data *inc
        if (!path)
                return config_error_nonbool("include.path");
 
-       expanded = expand_user_path(path);
+       expanded = expand_user_path(path, 0);
        if (!expanded)
                return error("could not expand include path '%s'", path);
        path = expanded;
@@ -177,7 +177,7 @@ static int prepare_include_condition_pattern(struct strbuf *pat)
        char *expanded;
        int prefix = 0;
 
-       expanded = expand_user_path(pat->buf);
+       expanded = expand_user_path(pat->buf, 0);
        if (expanded) {
                strbuf_reset(pat);
                strbuf_addstr(pat, expanded);
@@ -857,7 +857,7 @@ int git_config_pathname(const char **dest, const char *var, const char *value)
 {
        if (!value)
                return config_error_nonbool(var);
-       *dest = expand_user_path(value);
+       *dest = expand_user_path(value, 0);
        if (!*dest)
                die(_("failed to expand user dir in: '%s'"), value);
        return 0;
@@ -1407,7 +1407,7 @@ static int do_git_config_sequence(config_fn_t fn, void *data)
 {
        int ret = 0;
        char *xdg_config = xdg_config_home("config");
-       char *user_config = expand_user_path("~/.gitconfig");
+       char *user_config = expand_user_path("~/.gitconfig", 0);
        char *repo_config = have_git_dir() ? git_pathdup("config") : NULL;
 
        current_parsing_scope = CONFIG_SCOPE_SYSTEM;

diff --git a/credential-cache.c b/credential-cache.c
index cc8a6ee19214b12758fc3d4b39ff4a07f4442d91..774d1469fb533c0e68fec648d7348f3bc7443f24 100644 (file)
--- a/credential-cache.c
+++ b/credential-cache.c
@@ -106,7 +106,7 @@ int cmd_main(int argc, const char **argv)
        op = argv[0];
 
        if (!socket_path)
-               socket_path = expand_user_path("~/.git-credential-cache/socket");
+               socket_path = expand_user_path("~/.git-credential-cache/socket", 0);
        if (!socket_path)
                die("unable to find a suitable socket path; use --socket");
 

diff --git a/credential-store.c b/credential-store.c
index 55ca1b1334319924dcbbf69ec39b2335e6a452aa..ac295420dd0d03d1b31922f9b7c16a83e987e6a3 100644 (file)
--- a/credential-store.c
+++ b/credential-store.c
@@ -168,7 +168,7 @@ int cmd_main(int argc, const char **argv)
        if (file) {
                string_list_append(&fns, file);
        } else {
-               if ((file = expand_user_path("~/.git-credentials")))
+               if ((file = expand_user_path("~/.git-credentials", 0)))
                        string_list_append_nodup(&fns, file);
                file = xdg_config_home("credentials");
                if (file)

diff --git a/path.c b/path.c
index efcedafba6f2c0cae218f2d32425c13272df8dea..8b7687d53a54d05a2cc91a80f91dd5de2e30e386 100644 (file)
--- a/path.c
+++ b/path.c
@@ -638,8 +638,10 @@ static struct passwd *getpw_str(const char *username, size_t len)
  * Return a string with ~ and ~user expanded via getpw*.  If buf != NULL,
  * then it is a newly allocated string. Returns NULL on getpw failure or
  * if path is NULL.
+ *
+ * If real_home is true, real_path($HOME) is used in the expansion.
  */
-char *expand_user_path(const char *path)
+char *expand_user_path(const char *path, int real_home)
 {
        struct strbuf user_path = STRBUF_INIT;
        const char *to_copy = path;
@@ -654,7 +656,10 @@ char *expand_user_path(const char *path)
                        const char *home = getenv("HOME");
                        if (!home)
                                goto return_null;
-                       strbuf_addstr(&user_path, home);
+                       if (real_home)
+                               strbuf_addstr(&user_path, real_path(home));
+                       else
+                               strbuf_addstr(&user_path, home);
 #ifdef GIT_WINDOWS_NATIVE
                        convert_slashes(user_path.buf);
 #endif
@@ -723,7 +728,7 @@ const char *enter_repo(const char *path, int strict)
                strbuf_add(&validated_path, path, len);
 
                if (used_path.buf[0] == '~') {
-                       char *newpath = expand_user_path(used_path.buf);
+                       char *newpath = expand_user_path(used_path.buf, 0);
                        if (!newpath)
                                return NULL;
                        strbuf_attach(&used_path, newpath, strlen(newpath),