summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLukas Nykryn <lnykryn@redhat.com>2013-05-03 12:52:19 +0200
committerLennart Poettering <lennart@poettering.net>2013-05-03 18:58:12 +0200
commit5d0c05e5f417325e8505dde857a93a88eb7ebdc0 (patch)
treedacbdd4f8e4786f89bacc4adef0781aaf57aa827
parent8621b1109b0bbe097f2b3bfce2211fe8474c567b (diff)
systemctl: add --plain option to list-dependencies
This patch adds more script-friendly output for list-dependencies.
-rw-r--r--man/systemctl.xml9
-rw-r--r--src/systemctl/systemctl.c50
2 files changed, 42 insertions, 17 deletions
diff --git a/man/systemctl.xml b/man/systemctl.xml
index 2739df69d4..27eabf2652 100644
--- a/man/systemctl.xml
+++ b/man/systemctl.xml
@@ -493,6 +493,15 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
</listitem>
</varlistentry>
+ <varlistentry>
+ <term><option>--plain</option></term>
+
+ <listitem>
+ <para>When used with <command>list-dependencies</command>
+ the output is printed as a list instead of a tree.</para>
+ </listitem>
+ </varlistentry>
+
</variablelist>
</refsect1>
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index f9a03cad0d..1905d0c05a 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -132,6 +132,7 @@ static enum transport {
static const char *arg_host = NULL;
static unsigned arg_lines = 10;
static OutputMode arg_output = OUTPUT_SHORT;
+static bool arg_plain = false;
static bool private_bus = false;
@@ -956,20 +957,22 @@ static int list_dependencies_print(const char *name, int level, unsigned int bra
size_t len = 0;
size_t max_len = MAX(columns(),20u);
- for (i = level - 1; i >= 0; i--) {
+ if (!arg_plain) {
+ for (i = level - 1; i >= 0; i--) {
+ len += 2;
+ if(len > max_len - 3 && !arg_full) {
+ printf("%s...\n",max_len % 2 ? "" : " ");
+ return 0;
+ }
+ printf("%s", draw_special_char(branches & (1 << i) ? DRAW_TREE_VERT : DRAW_TREE_SPACE));
+ }
len += 2;
if(len > max_len - 3 && !arg_full) {
printf("%s...\n",max_len % 2 ? "" : " ");
return 0;
}
- printf("%s", draw_special_char(branches & (1 << i) ? DRAW_TREE_VERT : DRAW_TREE_SPACE));
- }
- len += 2;
- if(len > max_len - 3 && !arg_full) {
- printf("%s...\n",max_len % 2 ? "" : " ");
- return 0;
+ printf("%s", draw_special_char(last ? DRAW_TREE_RIGHT : DRAW_TREE_BRANCH));
}
- printf("%s", draw_special_char(last ? DRAW_TREE_RIGHT : DRAW_TREE_BRANCH));
if(arg_full){
printf("%s\n", name);
@@ -1105,12 +1108,12 @@ static int list_dependencies_compare(const void *_a, const void *_b) {
return strcasecmp(*a, *b);
}
-static int list_dependencies_one(DBusConnection *bus, const char *name, int level, char **units, unsigned int branches) {
+static int list_dependencies_one(DBusConnection *bus, const char *name, int level, char ***units, unsigned int branches) {
_cleanup_strv_free_ char **deps = NULL, **u;
char **c;
int r = 0;
- u = strv_append(units, name);
+ u = strv_append(*units, name);
if (!u)
return log_oom();
@@ -1122,9 +1125,11 @@ static int list_dependencies_one(DBusConnection *bus, const char *name, int leve
STRV_FOREACH(c, deps) {
if (strv_contains(u, *c)) {
- r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
- if (r < 0)
- return r;
+ if (!arg_plain) {
+ r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1);
+ if (r < 0)
+ return r;
+ }
continue;
}
@@ -1133,17 +1138,22 @@ static int list_dependencies_one(DBusConnection *bus, const char *name, int leve
return r;
if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) {
- r = list_dependencies_one(bus, *c, level + 1, u, (branches << 1) | (c[1] == NULL ? 0 : 1));
+ r = list_dependencies_one(bus, *c, level + 1, &u, (branches << 1) | (c[1] == NULL ? 0 : 1));
if(r < 0)
return r;
}
}
-
+ if (arg_plain) {
+ strv_free(*units);
+ *units = u;
+ u = NULL;
+ }
return 0;
}
static int list_dependencies(DBusConnection *bus, char **args) {
_cleanup_free_ char *unit = NULL;
+ _cleanup_strv_free_ char **units = NULL;
const char *u;
assert(bus);
@@ -1160,7 +1170,7 @@ static int list_dependencies(DBusConnection *bus, char **args) {
puts(u);
- return list_dependencies_one(bus, u, 0, NULL, 0);
+ return list_dependencies_one(bus, u, 0, &units, 0);
}
struct job_info {
@@ -4717,7 +4727,8 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
ARG_NO_ASK_PASSWORD,
ARG_FAILED,
ARG_RUNTIME,
- ARG_FORCE
+ ARG_FORCE,
+ ARG_PLAIN
};
static const struct option options[] = {
@@ -4755,6 +4766,7 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
{ "runtime", no_argument, NULL, ARG_RUNTIME },
{ "lines", required_argument, NULL, 'n' },
{ "output", required_argument, NULL, 'o' },
+ { "plain", no_argument, NULL, ARG_PLAIN },
{ NULL, 0, NULL, 0 }
};
@@ -4982,6 +4994,10 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
arg_ignore_inhibitors = true;
break;
+ case ARG_PLAIN:
+ arg_plain = true;
+ break;
+
case '?':
return -EINVAL;