Makefile: merge two Cygwin configuration sections into one

diff --git a/path.c b/path.c
index e332b504a6b8c6b229da2526c4f810b8d0fb9889..047fdb0a1fe8151f5f275ca5333365df786a8abd 100644 (file)
--- a/path.c
+++ b/path.c
@@ -139,6 +139,22 @@ int git_mkstemp(char *path, size_t len, const char *template)
        return mkstemp(path);
 }
 
+/* git_mkstemps() - create tmp file with suffix honoring TMPDIR variable. */
+int git_mkstemps(char *path, size_t len, const char *template, int suffix_len)
+{
+       const char *tmp;
+       size_t n;
+
+       tmp = getenv("TMPDIR");
+       if (!tmp)
+               tmp = "/tmp";
+       n = snprintf(path, len, "%s/%s", tmp, template);
+       if (len <= n) {
+               errno = ENAMETOOLONG;
+               return -1;
+       }
+       return mkstemps(path, suffix_len);
+}
 
 int validate_headref(const char *path)
 {
@@ -311,36 +327,49 @@ char *enter_repo(char *path, int strict)
        return NULL;
 }
 
-int adjust_shared_perm(const char *path)
+int set_shared_perm(const char *path, int mode)
 {
        struct stat st;
-       int mode;
+       int tweak, shared, orig_mode;
 
-       if (!shared_repository)
+       if (!shared_repository) {
+               if (mode)
+                       return chmod(path, mode & ~S_IFMT);
                return 0;
-       if (lstat(path, &st) < 0)
-               return -1;
-       mode = st.st_mode;
-
-       if (shared_repository) {
-               int tweak = shared_repository;
-               if (!(mode & S_IWUSR))
-                       tweak &= ~0222;
-               mode |= tweak;
-       } else {
-               /* Preserve old PERM_UMASK behaviour */
-               if (mode & S_IWUSR)
-                       mode |= S_IWGRP;
        }
+       if (!mode) {
+               if (lstat(path, &st) < 0)
+                       return -1;
+               mode = st.st_mode;
+               orig_mode = mode;
+       } else
+               orig_mode = 0;
+       if (shared_repository < 0)
+               shared = -shared_repository;
+       else
+               shared = shared_repository;
+       tweak = shared;
+
+       if (!(mode & S_IWUSR))
+               tweak &= ~0222;
+       if (mode & S_IXUSR)
+               /* Copy read bits to execute bits */
+               tweak |= (tweak & 0444) >> 2;
+       if (shared_repository < 0)
+               mode = (mode & ~0777) | tweak;
+       else
+               mode |= tweak;
 
        if (S_ISDIR(mode)) {
-               mode |= FORCE_DIR_SET_GID;
-
                /* Copy read bits to execute bits */
-               mode |= (shared_repository & 0444) >> 2;
+               mode |= (shared & 0444) >> 2;
+               mode |= FORCE_DIR_SET_GID;
        }
 
-       if ((mode & st.st_mode) != mode && chmod(path, mode) < 0)
+       if (((shared_repository < 0
+             ? (orig_mode & (FORCE_DIR_SET_GID | 0777))
+             : (orig_mode & mode)) != mode) &&
+           chmod(path, (mode & ~S_IFMT)) < 0)
                return -2;
        return 0;
 }