Fix use of the status view from subdirectories

diff --git a/tig.c b/tig.c
index ba1ad3d..d6e54b1 100644 (file)
--- a/tig.c
+++ b/tig.c
@@ -177,6 +177,9 @@ string_ncopy_do(char *dst, size_t dstlen, const char *src, size_t srclen)
 #define string_copy_rev(dst, src) \
        string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1)
 
+#define string_add(dst, from, src) \
+       string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src))
+
 static char *
 chomp_string(char *name)
 {
@@ -417,6 +420,7 @@ static bool opt_utf8                        = TRUE;
 static char opt_codeset[20]            = "UTF-8";
 static iconv_t opt_iconv               = ICONV_NONE;
 static char opt_search[SIZEOF_STR]     = "";
+static char opt_cdup[SIZEOF_STR]       = "";
 
 enum option_type {
        OPT_NONE,
@@ -2989,8 +2993,9 @@ static bool
 status_enter(struct view *view, struct line *line)
 {
        struct status *status = line->data;
-       const char *cmd;
+       char cmd[SIZEOF_STR];
        char buf[SIZEOF_STR];
+       size_t cmdsize = 0;
        size_t bufsize = 0;
        size_t written = 0;
        FILE *pipe;
@@ -2998,6 +3003,11 @@ status_enter(struct view *view, struct line *line)
        if (!status)
                return TRUE;
 
+       if (opt_cdup[0] &&
+           line->type != LINE_STAT_UNTRACKED &&
+           !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup))
+               return FALSE;
+
        switch (line->type) {
        case LINE_STAT_STAGED:
                if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c",
@@ -3005,14 +3015,16 @@ status_enter(struct view *view, struct line *line)
                                        status->old.rev,
                                        status->name, 0))
                        return FALSE;
-               cmd = "git update-index -z --index-info";
+
+               string_add(cmd, cmdsize, "git update-index -z --index-info");
                break;
 
        case LINE_STAT_UNSTAGED:
        case LINE_STAT_UNTRACKED:
                if (!string_format_from(buf, &bufsize, "%s%c", status->name, 0))
                        return FALSE;
-               cmd = "git update-index -z --add --remove --stdin";
+
+               string_add(cmd, cmdsize, "git update-index -z --add --remove --stdin");
                break;
 
        default:
@@ -4048,6 +4060,21 @@ load_repo_config(void)
 }
 
 static int
+read_repo_info(char *name, int namelen, char *value, int valuelen)
+{
+       if (!opt_cdup[0])
+               string_copy(opt_cdup, name);
+       return OK;
+}
+
+static int
+load_repo_info(void)
+{
+       return read_properties(popen("git rev-parse --show-cdup", "r"),
+                              "=", read_repo_info);
+}
+
+static int
 read_properties(FILE *pipe, const char *separators,
                int (*read_property)(char *, int, char *, int))
 {
@@ -4138,6 +4165,9 @@ main(int argc, char *argv[])
        if (load_repo_config() == ERR)
                die("Failed to load repo config.");
 
+       if (load_repo_info() == ERR)
+               die("Failed to load repo info.");
+
        if (!parse_options(argc, argv))
                return 0;