| 44 | } |
| 45 | |
| 46 | static int git_capture(const char *repo_path, const char *git_args, char **out) { |
| 47 | if (!out) { |
| 48 | return CBM_NOT_FOUND; |
| 49 | } |
| 50 | *out = NULL; |
| 51 | if (!repo_path || !git_args || !git_validate_repo_path(repo_path)) { |
| 52 | return CBM_NOT_FOUND; |
| 53 | } |
| 54 | |
| 55 | char cmd[GIT_CMD_MAX]; |
| 56 | #ifdef _WIN32 |
| 57 | const char *null_dev = "NUL"; |
| 58 | #else |
| 59 | const char *null_dev = "/dev/null"; |
| 60 | #endif |
| 61 | /* Double quotes work for POSIX shells and cmd.exe. cbm_validate_shell_arg() |
| 62 | * rejects quote/backslash/substitution metacharacters before interpolation. */ |
| 63 | int n = snprintf(cmd, sizeof(cmd), "git -C \"%s\" %s 2>%s", repo_path, git_args, null_dev); |
| 64 | if (n < 0 || n >= (int)sizeof(cmd)) { |
| 65 | return CBM_NOT_FOUND; |
| 66 | } |
| 67 | |
| 68 | FILE *fp = cbm_popen(cmd, "r"); |
| 69 | if (!fp) { |
| 70 | return CBM_NOT_FOUND; |
| 71 | } |
| 72 | |
| 73 | char buf[GIT_OUTPUT_MAX]; |
| 74 | if (!fgets(buf, sizeof(buf), fp)) { |
| 75 | cbm_pclose(fp); |
| 76 | return CBM_NOT_FOUND; |
| 77 | } |
| 78 | trim_newlines(buf); |
| 79 | |
| 80 | int rc = cbm_pclose(fp); |
| 81 | if (rc != 0 || buf[0] == '\0') { |
| 82 | return CBM_NOT_FOUND; |
| 83 | } |
| 84 | |
| 85 | *out = git_strdup(buf); |
| 86 | return *out ? 0 : CBM_NOT_FOUND; |
| 87 | } |
| 88 | |
| 89 | static bool path_is_absolute(const char *path) { |
| 90 | if (!path || !path[0]) { |
no test coverage detected