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feat(build-time-versioning): controller/scheduler --version and startup log

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Migrates argp_program_version in controller/main.c, scheduler/main.c,
and xce_test's test.c from the compile-time MK_VERSION/STR construction
to xce_compose_version(), computed into a static buffer and assigned
before argp_parse() runs (argp_program_version is a file-scope pointer,
not a constant expression it can be initialized from at compile time).

Each daemon's startup log now carries the identical version string
(never recomputed) on its first INFO line -- scheduler's BOTH
mutually-exclusive branches (--peers and no-peers), not just the one
literally named in the task text, since "when the daemon starts" is
unconditional.

Live-verified: --version and startup-log output are byte-identical for
both daemons across all branches. No remaining MK_VERSION callers
repo-wide.

Task 3.2/13 of build-time-versioning.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
This commit is contained in:
Rongsong Shen 2026-08-20 11:02:56 +00:00
parent 854f776733
commit 88649a0462
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GPG key ID: 5BCDAAE0123E9FE2
4 changed files with 65 additions and 15 deletions
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20
src/controller/testsuite/test.c
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@ -658,8 +658,13 @@ static int break_out = 0;
static char doc[] = "xce_test";
static char args_doc[] = "";
const char* argp_program_version
= MK_VERSION("xce v0.0.1-", STR(VERSION_COMMIT_ID));
/* build-time-versioning task 3.2: no longer a compile-time initializer --
* argp reads this by pointer when --version/-V is processed, and
* xce_compose_version() (utils.h) is a runtime function, not a constant
* expression, so it cannot initialize a file-scope global. main() assigns
* this to a static buffer, computed via xce_compose_version(), before
* argp_parse() runs. See utils.h's NOTE FOR TASK 3.2 above MK_VERSION. */
const char* argp_program_version = NULL;
const char* argp_program_bug_address = BUG_EMAIL;
struct arguments {
@ -4382,8 +4387,19 @@ int main(int argc, char* argv[])
char* loglevel = "info";
int logsize = 64 * 1024 * 1024;
int logcount = 10;
/* build-time-versioning task 3.2: xce_test's own --version/-V output
* (via argp_program_version) -- static so it outlives this point in
* main() (contract documented on xce_compose_version() in utils.c). */
static char version_buf[128];
memset(&arguments, 0x0, sizeof(arguments));
/* Must run before argp_parse(): argp reads argp_program_version by
* pointer when --version/-V is processed. */
xce_compose_version(version_buf, sizeof(version_buf), "xce v0.0.1-",
STR(VERSION_COMMIT_ID), STR(VERSION_BUILD_TIME));
argp_program_version = version_buf;
argp_parse(&argp, argc, argv, 0, 0, &arguments);
if (arguments.verbose != 0) {