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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-12-22 22:53:23 -0500
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-12-22 22:54:15 -0500
commit6096dfd6167f8520be3a359c1fd0e6f2e76a4dc1 (patch)
tree372e46889a7a74f79d295a763a5914192e3868ae /src/delta/delta.c
parentf939e9a47c54ac37504e8517f316cbec46864d14 (diff)
delta: if prefix is specified, only show overrides there
systemd-delta /run/systemd/system will show all unit overrides in /run, etc.
Diffstat (limited to 'src/delta/delta.c')
-rw-r--r--src/delta/delta.c71
1 files changed, 44 insertions, 27 deletions
diff --git a/src/delta/delta.c b/src/delta/delta.c
index f049eb229a..19eaed3631 100644
--- a/src/delta/delta.c
+++ b/src/delta/delta.c
@@ -4,6 +4,7 @@
This file is part of systemd.
Copyright 2012 Lennart Poettering
+ Copyright 2013 Zbigniew Jędrzejewski-Szmek
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
@@ -346,7 +347,7 @@ static int enumerate_dir(Hashmap *top, Hashmap *bottom, Hashmap *drops, const ch
}
}
-static int process_suffix(const char *suffix) {
+static int process_suffix(const char *suffix, const char *onlyprefix) {
const char *p;
char *f;
Hashmap *top, *bottom, *drops;
@@ -391,20 +392,23 @@ static int process_suffix(const char *suffix) {
o = hashmap_get(bottom, key);
assert(o);
- if (path_equal(o, f))
- notify_override_unchanged(f);
- else {
- k = found_override(f, o);
- if (k < 0)
- r = k;
- else
- n_found += k;
+ if (!onlyprefix || startswith(o, onlyprefix)) {
+ if (path_equal(o, f)) {
+ notify_override_unchanged(f);
+ } else {
+ k = found_override(f, o);
+ if (k < 0)
+ r = k;
+ else
+ n_found += k;
+ }
}
h = hashmap_get(drops, key);
if (h)
HASHMAP_FOREACH(o, h, j)
- n_found += notify_override_extended(f, o);
+ if (!onlyprefix || startswith(o, onlyprefix))
+ n_found += notify_override_extended(f, o);
}
finish:
@@ -423,24 +427,41 @@ finish:
return r < 0 ? r : n_found;
}
-static int process_suffix_chop(const char *suffix) {
+static int process_suffixes(const char *onlyprefix) {
+ const char *n;
+ int n_found = 0, r;
+
+ NULSTR_FOREACH(n, suffixes) {
+ r = process_suffix(n, onlyprefix);
+ if (r < 0)
+ return r;
+ else
+ n_found += r;
+ }
+ return n_found;
+}
+
+static int process_suffix_chop(const char *arg) {
const char *p;
- assert(suffix);
+ assert(arg);
- if (!path_is_absolute(suffix))
- return process_suffix(suffix);
+ if (!path_is_absolute(arg))
+ return process_suffix(arg, NULL);
/* Strip prefix from the suffix */
NULSTR_FOREACH(p, prefixes) {
- if (startswith(suffix, p)) {
- suffix += strlen(p);
+ const char *suffix = startswith(arg, p);
+ if (suffix) {
suffix += strspn(suffix, "/");
- return process_suffix(suffix);
+ if (*suffix)
+ return process_suffix(suffix, NULL);
+ else
+ return process_suffixes(arg);
}
}
- log_error("Invalid suffix specification %s.", suffix);
+ log_error("Invalid suffix specification %s.", arg);
return -EINVAL;
}
@@ -595,15 +616,11 @@ int main(int argc, char *argv[]) {
}
} else {
- const char *n;
-
- NULSTR_FOREACH(n, suffixes) {
- k = process_suffix(n);
- if (k < 0)
- r = k;
- else
- n_found += k;
- }
+ k = process_suffixes(NULL);
+ if (k < 0)
+ r = k;
+ else
+ n_found += k;
}
if (r >= 0)