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compose: Honor --dry-run --touch-if-changed

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Some people using Jenkins jobs and the like may want to separate
"trigger detection" from execution.  If combined with `--cachedir`,
it's reasonably efficient to separate the two.

Closes: #508
Approved by: jlebon
This commit is contained in:
Colin Walters 2016-11-01 11:37:50 -04:00 committed by Atomic Bot
parent 47ba21aca1
commit d45c0253a0
1 changed files with 30 additions and 15 deletions
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43
src/app/rpmostree-compose-builtin-tree.c
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@ -566,6 +566,28 @@ compose_strv_contains_prefix (gchar **strv,
return FALSE;
}
static gboolean
process_touch_if_changed (GError **error)
{
glnx_fd_close int fd = -1;
if (!opt_touch_if_changed)
return TRUE;
fd = open (opt_touch_if_changed, O_CREAT|O_WRONLY|O_NOCTTY, 0644);
if (fd == -1)
{
glnx_set_prefix_error_from_errno (error, "Updating '%s': ", opt_touch_if_changed);
return FALSE;
}
if (futimens (fd, NULL) == -1)
{
glnx_set_error_from_errno (error);
return FALSE;
}
return TRUE;
}
int
rpmostree_compose_builtin_tree (int argc,
@ -868,7 +890,12 @@ rpmostree_compose_builtin_tree (int argc,
}
else if (opt_dry_run)
{
g_print ("--dry-run complete, exiting\n");
g_print ("--dry-run complete");
if (opt_touch_if_changed)
g_print (", updating --touch-if-changed=%s", opt_touch_if_changed);
g_print ("; exiting\n");
if (!process_touch_if_changed (error))
goto out;
exit_status = EXIT_SUCCESS;
goto out;
}
@ -940,20 +967,8 @@ rpmostree_compose_builtin_tree (int argc,
}
}
if (opt_touch_if_changed)
{
glnx_fd_close int fd = open (opt_touch_if_changed, O_CREAT|O_WRONLY|O_NOCTTY, 0644);
if (fd == -1)
{
glnx_set_prefix_error_from_errno (error, "Updating '%s': ", opt_touch_if_changed);
if (!process_touch_if_changed (error))
goto out;
}
if (futimens (fd, NULL) == -1)
{
glnx_set_error_from_errno (error);
goto out;
}
}
exit_status = EXIT_SUCCESS;