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nspawn,vmspawn: let's add some terminal magic to the welcome text

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Let's grey the text out, and prefix it with a vertical grey bar, to make
clear this is output from the host, not the payload, and make it clearly
distinguishable from what follows.

Let's also make the image name clickable (with new enough
shared-mime-info this should allow you to look into the image with
gnome-disk-utility or a similar tool.
This commit is contained in:
Lennart Poettering 2024-01-19 23:23:48 +01:00
parent 3df61bf00c
commit 1807baa931
2 changed files with 19 additions and 7 deletions
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13
src/nspawn/nspawn.c
View file

@ -5943,9 +5943,16 @@ static int run(int argc, char *argv[]) {
if (arg_console_mode == CONSOLE_PIPE) /* if we pass STDERR on to the container, don't add our own logs into it too */
arg_quiet = true;
if (!arg_quiet)
log_info("Spawning container %s on %s.\nPress Ctrl-] three times within 1s to kill container.",
arg_machine, arg_image ?: arg_directory);
if (!arg_quiet) {
const char *t = arg_image ?: arg_directory;
_cleanup_free_ char *u = NULL;
(void) terminal_urlify_path(t, t, &u);
log_info("%s %sSpawning container %s on %s.%s\n"
"%s %sPress %sCtrl-]%s three times within 1s to kill container.%s",
special_glyph(SPECIAL_GLYPH_LIGHT_SHADE), ansi_grey(), arg_machine, u ?: t, ansi_normal(),
special_glyph(SPECIAL_GLYPH_LIGHT_SHADE), ansi_grey(), ansi_highlight(), ansi_grey(), ansi_normal());
}
assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, SIGWINCH, SIGTERM, SIGINT, SIGRTMIN+18, -1) >= 0);

13
src/vmspawn/vmspawn.c
View file

@ -811,10 +811,15 @@ static int run(int argc, char *argv[]) {
if (r < 0)
return r;
if (!arg_quiet)
log_info("Spawning VM %s on %s.\n"
"Press Ctrl-a x to kill VM.",
arg_machine, arg_image);
if (!arg_quiet) {
_cleanup_free_ char *u = NULL;
(void) terminal_urlify_path(arg_image, arg_image, &u);
log_info("%s %sSpawning VM %s on %s.%s\n"
"%s %sPress %sCtrl-a x%s to kill VM.%s",
special_glyph(SPECIAL_GLYPH_LIGHT_SHADE), ansi_grey(), arg_machine, u ?: arg_image, ansi_normal(),
special_glyph(SPECIAL_GLYPH_LIGHT_SHADE), ansi_grey(), ansi_highlight(), ansi_grey(), ansi_normal());
}
assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, -1) >= 0);