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authorDave Reisner <d@falconindy.com>2011-06-21 13:47:50 -0400
committerDan McGee <dan@archlinux.org>2011-06-24 14:18:07 -0500
commit3725998cbc418187a90e86212941d18f7cbfda78 (patch)
tree0aeada1002c25faef53b405015384adc52e41e24 /src/util
parent777bdc6c508a1a94dfa0854a34c7964ba0af02c9 (diff)
pactree: add -s option to walk sync DBs
Add a whole lot of bloat to parse pacman.conf and only a few lines to use the list of sync DBs instead of the local DB. Dan: I fully plan on this being temporary and us finding a better way in the future to parse pacman.conf from multiple binaries. Adding a standalone config parser is probably not the right way of going about things, but for now it is by far the easiest. Signed-off-by: Dave Reisner <d@falconindy.com> Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'src/util')
-rw-r--r--src/util/pactree.c96
1 files changed, 92 insertions, 4 deletions
diff --git a/src/util/pactree.c b/src/util/pactree.c
index 87bac6d1..2f79b66d 100644
--- a/src/util/pactree.c
+++ b/src/util/pactree.c
@@ -26,6 +26,8 @@
#include <alpm.h>
#include <alpm_list.h>
+#define LINE_MAX 512
+
/* output */
struct graph_style {
const char *provides;
@@ -85,8 +87,77 @@ int graphviz = 0;
int max_depth = -1;
int reverse = 0;
int unique = 0;
+int searchsyncs = 0;
const char *dbpath = DBPATH;
+static char *strtrim(char *str)
+{
+ char *pch = str;
+
+ if(str == NULL || *str == '\0') {
+ /* string is empty, so we're done. */
+ return str;
+ }
+
+ while(isspace((unsigned char)*pch)) {
+ pch++;
+ }
+ if(pch != str) {
+ memmove(str, pch, (strlen(pch) + 1));
+ }
+
+ /* check if there wasn't anything but whitespace in the string. */
+ if(*str == '\0') {
+ return str;
+ }
+
+ pch = (str + (strlen(str) - 1));
+ while(isspace((unsigned char)*pch)) {
+ pch--;
+ }
+ *++pch = '\0';
+
+ return str;
+}
+
+static int register_syncs(pmhandle_t *handle) {
+ FILE *fp;
+ char *ptr, *section = NULL;
+ char line[LINE_MAX];
+
+ fp = fopen(CONFFILE, "r");
+ if(!fp) {
+ return 1;
+ }
+
+ while(fgets(line, LINE_MAX, fp)) {
+ strtrim(line);
+
+ if(line[0] == '#' || !strlen(line)) {
+ continue;
+ }
+
+ if((ptr = strchr(line, '#'))) {
+ *ptr = '\0';
+ strtrim(line);
+ }
+
+ if(line[0] == '[' && line[strlen(line) - 1] == ']') {
+ free(section);
+ section = strndup(&line[1], strlen(line) - 2);
+
+ if(section && strcmp(section, "options") != 0) {
+ alpm_db_register_sync(handle, section, PM_PGP_VERIFY_OPTIONAL);
+ }
+ }
+ }
+
+ free(section);
+ fclose(fp);
+
+ return 0;
+}
+
static int parse_options(int argc, char *argv[])
{
int opt, option_index = 0;
@@ -100,11 +171,12 @@ static int parse_options(int argc, char *argv[])
{"help", no_argument, 0, 'h'},
{"linear", no_argument, 0, 'l'},
{"reverse", no_argument, 0, 'r'},
+ {"sync", no_argument, 0, 'S'},
{"unique", no_argument, 0, 'u'},
{0, 0, 0, 0}
};
- while((opt = getopt_long(argc, argv, "b:cd:ghlru", opts, &option_index))) {
+ while((opt = getopt_long(argc, argv, "b:cd:ghlrsu", opts, &option_index))) {
if(opt < 0) {
break;
}
@@ -133,6 +205,9 @@ static int parse_options(int argc, char *argv[])
case 'r':
reverse = 1;
break;
+ case 's':
+ searchsyncs = 1;
+ break;
case 'u':
unique = 1;
style = &graph_linear;
@@ -161,6 +236,7 @@ static void usage(void)
" -g, --graph generate output for graphviz's dot\n"
" -l, --linear enable linear output\n"
" -r, --reverse show reverse dependencies\n"
+ " -s, --sync search sync DBs instead of local\n"
" -u, --unique show dependencies with no duplicates (implies -l)\n\n"
" -h, --help display this help message\n");
}
@@ -324,7 +400,7 @@ static void walk_deps(alpm_list_t *dblist, pmpkg_t *pkg, int depth)
int main(int argc, char *argv[])
{
- int ret = 0;
+ int freelist = 0, ret = 0;
enum _pmerrno_t err;
const char *target_name;
pmpkg_t *pkg;
@@ -344,7 +420,17 @@ int main(int argc, char *argv[])
goto finish;
}
- dblist = alpm_list_add(dblist, alpm_option_get_localdb(handle));
+ if(searchsyncs) {
+ if(register_syncs(handle) != 0) {
+ fprintf(stderr, "error: failed to register sync DBs\n");
+ ret = 1;
+ goto finish;
+ }
+ dblist = alpm_option_get_syncdbs(handle);
+ } else {
+ dblist = alpm_list_add(dblist, alpm_option_get_localdb(handle));
+ freelist = 1;
+ }
/* we only care about the first non option arg for walking */
target_name = argv[optind];
@@ -366,7 +452,9 @@ int main(int argc, char *argv[])
print_end();
- alpm_list_free(dblist);
+ if(freelist) {
+ alpm_list_free(dblist);
+ }
finish:
cleanup();