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MINOR: version: add -vq, -vqb, and -vqs flags for concise version output

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This patch introduces three new command line flags to display HAProxy version
info more flexibly:

- `-vqs` outputs the short version string without commit info (e.g., "3.3.1").
- `-vqb` outputs only the branch (major.minor) part of the version (e.g., "3.3").
- `-vq` outputs the full version string with suffixes (e.g., "3.3.1-dev5-1bb975-71").

This allows easier parsing of version info in automation while keeping existing -v and -vv behaviors.

The command line argument parsing now calls `display_version_plain()` with a
display_mode parameter to select the desired output format. The function handles
stripping of commit or patch info as needed, depending on the mode.

Signed-off-by: Nikita Kurashkin <nkurashkin@stsoft.ru>
This commit is contained in:
Nikita Kurashkin 2025-09-02 11:34:51 +02:00 committed by Willy Tarreau
parent 5d9abc68b4
commit ef73fe2584
1 changed files with 55 additions and 4 deletions
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53
src/haproxy.c
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@ -616,6 +616,42 @@ void display_version()
}
}
/* display_mode:
* 0 = short version (e.g., "3.3.1")
* 1 = full version (e.g., "3.3.1-dev5-1bb975-71")
* 2 = branch version (e.g., "3.3")
*/
void display_version_plain(int display_mode)
{
char out[30] = "";
int dots = 0;
int i;
if (display_mode == 1) {
printf("%s\n", haproxy_version);
return;
}
for (i = 0; i < sizeof(out) - 1 && haproxy_version[i]; i++) {
if (display_mode == 2) {
if (haproxy_version[i] == '.') dots++;
if (dots == 2 || haproxy_version[i] == '-') {
out[i] = '\0';
break;
}
} else {
if ((haproxy_version[i] < '0' || haproxy_version[i] > '9') && haproxy_version[i] != '.') {
out[i] = '\0';
break;
}
}
out[i] = haproxy_version[i];
out[i+1] = '\0';
}
printf("%s\n", out);
}
static void display_build_opts()
{
const char **opt;
@ -658,6 +694,7 @@ static void usage(char *name)
"D ] [ -n <maxconn> ] [ -N <maxpconn> ]\n"
" [ -p <pidfile> ] [ -m <max megs> ] [ -C <dir> ] [-- <cfgfile>*]\n"
" -v displays version ; -vv shows known build options.\n"
" -vq/-vqs/-vqb only displays version, short version, branch.\n"
" -d enters debug mode ; -db only disables background mode.\n"
" -dM[<byte>,help,...] debug memory (default: poison with <byte>/0x50)\n"
" -dt activate traces on stderr\n"
@ -1477,11 +1514,25 @@ static void init_args(int argc, char **argv)
/* 1 arg */
if (*flag == 'v') {
if (flag[1] == 'q' && flag[2] == 's' && flag[3] == '\0') {
display_version_plain(0); // -vqs
deinit_and_exit(0);
}
else if (flag[1] == 'q' && flag[2] == 'b' && flag[3] == '\0') {
display_version_plain(2); // -vqb
deinit_and_exit(0);
}
else if (flag[1] == 'q' && flag[2] == '\0') {
display_version_plain(1); // -vq
deinit_and_exit(0);
}
else {
display_version();
if (flag[1] == 'v') /* -vv */
if (flag[1] == 'v') // -vv
display_build_opts();
deinit_and_exit(0);
}
}
#if defined(USE_EPOLL)
else if (*flag == 'd' && flag[1] == 'e')
global.tune.options &= ~GTUNE_USE_EPOLL;