http: prompt for credentials on failed POST

diff --git a/setup.c b/setup.c
index 1b06db53fc24f1347e2a73bbecb44a059882e898..731851a4a85161af49a38c481672615a6ac0bbc9 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -40,34 +40,6 @@ char *prefix_path(const char *prefix, int len, const char *path)
        return sanitized;
 }
 
-/*
- * Unlike prefix_path, this should be used if the named file does
- * not have to interact with index entry; i.e. name of a random file
- * on the filesystem.
- */
-const char *prefix_filename(const char *pfx, int pfx_len, const char *arg)
-{
-       static char path[PATH_MAX];
-#ifndef WIN32
-       if (!pfx_len || is_absolute_path(arg))
-               return arg;
-       memcpy(path, pfx, pfx_len);
-       strcpy(path + pfx_len, arg);
-#else
-       char *p;
-       /* don't add prefix to absolute paths, but still replace '\' by '/' */
-       if (is_absolute_path(arg))
-               pfx_len = 0;
-       else if (pfx_len)
-               memcpy(path, pfx, pfx_len);
-       strcpy(path + pfx_len, arg);
-       for (p = path + pfx_len; *p; p++)
-               if (*p == '\\')
-                       *p = '/';
-#endif
-       return path;
-}
-
 int check_filename(const char *prefix, const char *arg)
 {
        const char *name;
@@ -275,7 +247,7 @@ const char **get_pathspec(const char *prefix, const char **pathspec)
  *    a proper "ref:", or a regular file HEAD that has a properly
  *    formatted sha1 object name.
  */
-static int is_git_directory(const char *suspect)
+int is_git_directory(const char *suspect)
 {
        char path[PATH_MAX];
        size_t len = strlen(suspect);
@@ -597,13 +569,15 @@ static const char *setup_nongit(const char *cwd, int *nongit_ok)
        return NULL;
 }
 
-static dev_t get_device_or_die(const char *path, const char *prefix)
+static dev_t get_device_or_die(const char *path, const char *prefix, int prefix_len)
 {
        struct stat buf;
-       if (stat(path, &buf))
-               die_errno("failed to stat '%s%s%s'",
+       if (stat(path, &buf)) {
+               die_errno("failed to stat '%*s%s%s'",
+                               prefix_len,
                                prefix ? prefix : "",
                                prefix ? "/" : "", path);
+       }
        return buf.st_dev;
 }
 
@@ -617,7 +591,7 @@ static const char *setup_git_directory_gently_1(int *nongit_ok)
        static char cwd[PATH_MAX+1];
        const char *gitdirenv, *ret;
        char *gitfile;
-       int len, offset, ceil_offset;
+       int len, offset, offset_parent, ceil_offset;
        dev_t current_device = 0;
        int one_filesystem = 1;
 
@@ -659,7 +633,7 @@ static const char *setup_git_directory_gently_1(int *nongit_ok)
         */
        one_filesystem = !git_env_bool("GIT_DISCOVERY_ACROSS_FILESYSTEM", 0);
        if (one_filesystem)
-               current_device = get_device_or_die(".", NULL);
+               current_device = get_device_or_die(".", NULL, 0);
        for (;;) {
                gitfile = (char*)read_gitfile(DEFAULT_GIT_DIR_ENVIRONMENT);
                if (gitfile)
@@ -681,11 +655,12 @@ static const char *setup_git_directory_gently_1(int *nongit_ok)
                if (is_git_directory("."))
                        return setup_bare_git_dir(cwd, offset, len, nongit_ok);
 
-               while (--offset > ceil_offset && cwd[offset] != '/');
-               if (offset <= ceil_offset)
+               offset_parent = offset;
+               while (--offset_parent > ceil_offset && cwd[offset_parent] != '/');
+               if (offset_parent <= ceil_offset)
                        return setup_nongit(cwd, nongit_ok);
                if (one_filesystem) {
-                       dev_t parent_device = get_device_or_die("..", cwd);
+                       dev_t parent_device = get_device_or_die("..", cwd, offset);
                        if (parent_device != current_device) {
                                if (nongit_ok) {
                                        if (chdir(cwd))
@@ -694,7 +669,7 @@ static const char *setup_git_directory_gently_1(int *nongit_ok)
                                        return NULL;
                                }
                                cwd[offset] = '\0';
-                               die("Not a git repository (or any parent up to mount parent %s)\n"
+                               die("Not a git repository (or any parent up to mount point %s)\n"
                                "Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).", cwd);
                        }
                }
@@ -702,6 +677,7 @@ static const char *setup_git_directory_gently_1(int *nongit_ok)
                        cwd[offset] = '\0';
                        die_errno("Cannot change to '%s/..'", cwd);
                }
+               offset = offset_parent;
        }
 }
 
@@ -710,6 +686,11 @@ const char *setup_git_directory_gently(int *nongit_ok)
        const char *prefix;
 
        prefix = setup_git_directory_gently_1(nongit_ok);
+       if (prefix)
+               setenv("GIT_PREFIX", prefix, 1);
+       else
+               setenv("GIT_PREFIX", "", 1);
+
        if (startup_info) {
                startup_info->have_repository = !nongit_ok || !*nongit_ok;
                startup_info->prefix = prefix;
@@ -803,3 +784,10 @@ const char *setup_git_directory(void)
 {
        return setup_git_directory_gently(NULL);
 }
+
+const char *resolve_gitdir(const char *suspect)
+{
+       if (is_git_directory(suspect))
+               return suspect;
+       return read_gitfile(suspect);
+}