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Code Issues 1 Releases Wiki Activity

Add :x flag to os/execute.

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This commit is contained in:
Calvin Rose 2020-08-29 10:27:32 -05:00
parent 301cbb0e68
commit 8b9ad2dce8
2 changed files with 11 additions and 9 deletions
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1
CHANGELOG.md
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@ -2,6 +2,7 @@
All notable changes to this project will be documented in this file.
## Unreleased - ???
- Add `:x` flag to os/execute to raise error when exit code is non-zero.
- Don't run `main` when flychecking.
- Add `:n` flag to `file/open` to raise an error if file cannot be opened.
- Fix import macro to not try and coerce everything to a string.

19
src/core/os.c
View File

@ -318,7 +318,7 @@ static Janet os_execute(int32_t argc, Janet *argv) {
/* Get flags */
uint64_t flags = 0;
if (argc > 1) {
flags = janet_getflags(argv, 1, "ep");
flags = janet_getflags(argv, 1, "epx");
}
/* Get environment */
@ -365,8 +365,6 @@ static Janet os_execute(int32_t argc, Janet *argv) {
if (-1 == status) {
janet_panicf("%p: %s", argv[0], strerror(errno));
}
return janet_wrap_integer(status);
#else
const char **child_argv = janet_smalloc(sizeof(char *) * ((size_t) exargs.len + 1));
@ -410,16 +408,18 @@ static Janet os_execute(int32_t argc, Janet *argv) {
os_execute_cleanup(envp, child_argv);
/* Use POSIX shell semantics for interpreting signals */
int ret;
if (WIFEXITED(status)) {
ret = WEXITSTATUS(status);
status = WEXITSTATUS(status);
} else if (WIFSTOPPED(status)) {
ret = WSTOPSIG(status) + 128;
status = WSTOPSIG(status) + 128;
} else {
ret = WTERMSIG(status) + 128;
status = WTERMSIG(status) + 128;
}
return janet_wrap_integer(ret);
#endif
if (janet_flag_at(flags, 2) && status) {
janet_panicf("command failed with non-zero exit code %d", status);
}
return janet_wrap_integer(status);
}
static Janet os_shell(int32_t argc, Janet *argv) {
@ -1334,7 +1334,8 @@ static const JanetReg os_cfuns[] = {
"\t:e - enables passing an environment to the program. Without :e, the "
"current environment is inherited.\n"
"\t:p - allows searching the current PATH for the binary to execute. "
"Without this flag, binaries must use absolute paths.\n\n"
"Without this flag, binaries must use absolute paths.\n"
"\t:x - raise error if exit code is non-zero.\n\n"
"env is a table or struct mapping environment variables to values. "
"Returns the exit status of the program.")
},