diff options
| -rw-r--r-- | help.c | 21 |
1 files changed, 18 insertions, 3 deletions
@@ -105,7 +105,22 @@ static int is_executable(const char *name) return 0; #if defined(GIT_WINDOWS_NATIVE) -{ /* cannot trust the executable bit, peek into the file instead */ + /* + * On Windows there is no executable bit. The file extension + * indicates whether it can be run as an executable, and Git + * has special-handling to detect scripts and launch them + * through the indicated script interpreter. We test for the + * file extension first because virus scanners may make + * it quite expensive to open many files. + */ + if (ends_with(name, ".exe")) + return S_IXUSR; + +{ + /* + * Now that we know it does not have an executable extension, + * peek into the file instead. + */ char buf[3] = { 0 }; int n; int fd = open(name, O_RDONLY); @@ -113,8 +128,8 @@ static int is_executable(const char *name) if (fd >= 0) { n = read(fd, buf, 2); if (n == 2) - /* DOS executables start with "MZ" */ - if (!strcmp(buf, "#!") || !strcmp(buf, "MZ")) + /* look for a she-bang */ + if (!strcmp(buf, "#!")) st.st_mode |= S_IXUSR; close(fd); } |