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-rw-r--r--man/systemd-delta.xml60
-rw-r--r--src/delta/delta.c139
2 files changed, 183 insertions, 16 deletions
diff --git a/man/systemd-delta.xml b/man/systemd-delta.xml
index 0e06b48fcc..03c7178d47 100644
--- a/man/systemd-delta.xml
+++ b/man/systemd-delta.xml
@@ -99,6 +99,66 @@
pager.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><option>--type=</option></term>
+ <term><option>-t</option></term>
+
+ <listitem><para>When listing the
+ differences, only list those that are
+ asked for. The list itself is a
+ comma-separated list of desired
+ difference types.</para>
+
+ <para>Recognised types are:
+
+ <variablelist>
+ <varlistentry>
+ <term><varname>masked</varname></term>
+
+ <listitem><para>Show masked files</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>equivalent</varname></term>
+
+ <listitem><para>Show overriden
+ files that while overriden, do
+ not differ in content.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>redirected</varname></term>
+
+ <listitem><para>Show files that
+ are redirected to another.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>overriden</varname></term>
+
+ <listitem><para>Show overriden,
+ and changed files.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><varname>unchanged</varname></term>
+
+ <listitem><para>Show unmodified
+ files too.</para></listitem>
+ </varlistentry>
+ </variablelist>
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--diff=</option></term>
+
+ <listitem><para>When showing modified
+ files, when a file is overriden show a
+ diff aswell. This option takes a
+ boolean argument.</para></listitem>
+ </varlistentry>
+
</variablelist>
</refsect1>
diff --git a/src/delta/delta.c b/src/delta/delta.c
index 2e3375941d..585bb0c7a7 100644
--- a/src/delta/delta.c
+++ b/src/delta/delta.c
@@ -55,7 +55,57 @@ static int equivalent(const char *a, const char *b) {
return r;
}
-static int found_override(const char *top, const char *bottom) {
+#define SHOW_MASKED 1 << 0
+#define SHOW_EQUIV 1 << 1
+#define SHOW_REDIR 1 << 2
+#define SHOW_OVERRIDEN 1 << 3
+#define SHOW_UNCHANGED 1 << 4
+#define SHOW_DIFF 1 << 5
+
+#define SHOW_DEFAULTS \
+ (SHOW_MASKED | SHOW_EQUIV | SHOW_REDIR | SHOW_OVERRIDEN | SHOW_DIFF)
+
+static int notify_override_masked(int flags, const char *top, const char *bottom) {
+ if (!(flags & SHOW_MASKED))
+ return 0;
+
+ printf(ANSI_HIGHLIGHT_RED_ON "[MASK]" ANSI_HIGHLIGHT_OFF " %s → %s\n", top, bottom);
+ return 1;
+}
+
+static int notify_override_equiv(int flags, const char *top, const char *bottom) {
+ if (!(flags & SHOW_EQUIV))
+ return 0;
+
+ printf(ANSI_HIGHLIGHT_GREEN_ON "[EQUIVALENT]" ANSI_HIGHLIGHT_OFF " %s → %s\n", top, bottom);
+ return 1;
+}
+
+static int notify_override_redir(int flags, const char *top, const char *bottom) {
+ if (!(flags & SHOW_REDIR))
+ return 0;
+
+ printf(ANSI_HIGHLIGHT_ON "[REDIRECT]" ANSI_HIGHLIGHT_OFF " %s → %s\n", top, bottom);
+ return 1;
+}
+
+static int notify_override_overriden(int flags, const char *top, const char *bottom) {
+ if (!(flags & SHOW_OVERRIDEN))
+ return 0;
+
+ printf(ANSI_HIGHLIGHT_ON "[OVERRIDE]" ANSI_HIGHLIGHT_OFF " %s → %s\n", top, bottom);
+ return 1;
+}
+
+static int notify_override_unchanged(int flags, const char *top, const char *bottom) {
+ if (!(flags & SHOW_UNCHANGED))
+ return 0;
+
+ printf(ANSI_HIGHLIGHT_ON "[UNCHANGED]" ANSI_HIGHLIGHT_OFF " %s → %s\n", top, bottom);
+ return 1;
+}
+
+static int found_override(int flags, const char *top, const char *bottom) {
char *dest;
int k;
pid_t pid;
@@ -64,22 +114,24 @@ static int found_override(const char *top, const char *bottom) {
assert(bottom);
if (null_or_empty_path(top) > 0) {
- printf(ANSI_HIGHLIGHT_RED_ON "[MASK]" ANSI_HIGHLIGHT_OFF " %s → %s\n", top, bottom);
+ notify_override_masked(flags, top, bottom);
goto finish;
}
k = readlink_malloc(top, &dest);
if (k >= 0) {
if (equivalent(dest, bottom) > 0)
- printf(ANSI_HIGHLIGHT_GREEN_ON "[EQUIVALENT]" ANSI_HIGHLIGHT_OFF " %s → %s\n", top, bottom);
+ notify_override_equiv(flags, top, bottom);
else
- printf(ANSI_HIGHLIGHT_ON "[REDIRECT]" ANSI_HIGHLIGHT_OFF " %s → %s\n", top, bottom);
+ notify_override_redir(flags, top, bottom);
free(dest);
goto finish;
}
- printf(ANSI_HIGHLIGHT_ON "[OVERRIDE]" ANSI_HIGHLIGHT_OFF " %s → %s\n", top, bottom);
+ notify_override_overriden(flags, top, bottom);
+ if (!(flags & SHOW_DIFF))
+ goto finish;
putchar('\n');
@@ -174,7 +226,7 @@ finish:
return r;
}
-static int process_suffix(const char *prefixes, const char *suffix) {
+static int process_suffix(int flags, const char *prefixes, const char *suffix) {
const char *p;
char *f;
Hashmap *top, *bottom;
@@ -220,10 +272,12 @@ static int process_suffix(const char *prefixes, const char *suffix) {
o = hashmap_get(bottom, path_get_file_name(f));
assert(o);
- if (path_equal(o, f))
+ if (path_equal(o, f)) {
+ notify_override_unchanged(flags, f, o);
continue;
+ }
- k = found_override(f, o);
+ k = found_override(flags, f, o);
if (k < 0)
r = k;
@@ -239,21 +293,21 @@ finish:
return r < 0 ? r : n_found;
}
-static int process_suffix_chop(const char *prefixes, const char *suffix) {
+static int process_suffix_chop(int flags, const char *prefixes, const char *suffix) {
const char *p;
assert(prefixes);
assert(suffix);
if (!path_is_absolute(suffix))
- return process_suffix(prefixes, suffix);
+ return process_suffix(flags, prefixes, suffix);
/* Strip prefix from the suffix */
NULSTR_FOREACH(p, prefixes) {
if (startswith(suffix, p)) {
suffix += strlen(p);;
suffix += strspn(suffix, "/");
- return process_suffix(prefixes, suffix);
+ return process_suffix(flags, prefixes, suffix);
}
}
@@ -267,14 +321,42 @@ static void help(void) {
"Find overridden configuration files.\n\n"
" -h --help Show this help\n"
" --version Show package version\n"
- " --no-pager Do not pipe output into a pager\n",
+ " --no-pager Do not pipe output into a pager\n"
+ " --diff[=1|0] Show a diff when overriden files differ\n"
+ " -t --type=LIST... Only display a selected set of override types\n",
program_invocation_short_name);
}
-static int parse_argv(int argc, char *argv[]) {
+static int parse_flags(int flags, const char *flag_str) {
+ char *w, *state;
+ size_t l;
+
+ FOREACH_WORD(w, l, flag_str, state) {
+ if (strncmp("masked", w, l) == 0) {
+ flags |= SHOW_MASKED;
+ } else if (strncmp ("equivalent", w, l) == 0) {
+ flags |= SHOW_EQUIV;
+ } else if (strncmp("redirected", w, l) == 0) {
+ flags |= SHOW_REDIR;
+ } else if (strncmp("override", w, l) == 0) {
+ flags |= SHOW_OVERRIDEN;
+ } else if (strncmp("unchanged", w, l) == 0) {
+ flags |= SHOW_UNCHANGED;
+ } else if (strncmp("default", w, l) == 0) {
+ flags |= SHOW_DEFAULTS;
+ } else {
+ log_error("Unknown type filter: %s", w);
+ return -1;
+ }
+ }
+ return flags;
+}
+
+static int parse_argv(int argc, char *argv[], int *flags) {
enum {
ARG_NO_PAGER = 0x100,
+ ARG_DIFF,
ARG_VERSION
};
@@ -282,6 +364,8 @@ static int parse_argv(int argc, char *argv[]) {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
+ { "diff", optional_argument, NULL, ARG_DIFF },
+ { "type", required_argument, NULL, 't' },
{ NULL, 0, NULL, 0 }
};
@@ -311,6 +395,23 @@ static int parse_argv(int argc, char *argv[]) {
case '?':
return -EINVAL;
+ case 't':
+ *flags = parse_flags(*flags, optarg);
+ if (*flags < 0)
+ return -EINVAL;
+ break;
+
+ case ARG_DIFF:
+ if (!optarg) {
+ *flags |= SHOW_DIFF;
+ } else {
+ if (parse_boolean(optarg))
+ *flags |= SHOW_DIFF;
+ else
+ *flags &= ~SHOW_DIFF;
+ }
+ break;
+
default:
log_error("Unknown option code %c", c);
return -EINVAL;
@@ -348,14 +449,20 @@ int main(int argc, char *argv[]) {
int r = 0, k;
int n_found = 0;
+ int flags = 0;
log_parse_environment();
log_open();
- r = parse_argv(argc, argv);
+ r = parse_argv(argc, argv, &flags);
if (r <= 0)
goto finish;
+ if (flags == 0)
+ flags = SHOW_DEFAULTS;
+ if (flags == SHOW_DIFF)
+ flags |= SHOW_OVERRIDEN;
+
if (!arg_no_pager)
pager_open();
@@ -363,7 +470,7 @@ int main(int argc, char *argv[]) {
int i;
for (i = optind; i < argc; i++) {
- k = process_suffix_chop(prefixes, argv[i]);
+ k = process_suffix_chop(flags, prefixes, argv[i]);
if (k < 0)
r = k;
else
@@ -374,7 +481,7 @@ int main(int argc, char *argv[]) {
const char *n;
NULSTR_FOREACH(n, suffixes) {
- k = process_suffix(prefixes, n);
+ k = process_suffix(flags, prefixes, n);
if (k < 0)
r = k;
else
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-13 17:53:10 +0000