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-rw-r--r--src/util/pactree.c169
1 files changed, 80 insertions, 89 deletions
diff --git a/src/util/pactree.c b/src/util/pactree.c
index 6a10006f..1dee61bf 100644
--- a/src/util/pactree.c
+++ b/src/util/pactree.c
@@ -27,63 +27,66 @@
#include <alpm_list.h>
/* output */
-char *provides = " provides";
-char *unresolvable = " [unresolvable]";
-char *branch_tip1 = "|--";
-char *branch_tip2 = "+--";
-int indent_size = 3;
-
-/* color */
-char *branch1_color = "\033[0;33m"; /* yellow */
-char *branch2_color = "\033[0;37m"; /* white */
-char *leaf1_color = "\033[1;32m"; /* bold green */
-char *leaf2_color = "\033[0;32m"; /* green */
-char *color_off = "\033[0m";
+struct graph_style {
+ const char *provides;
+ const char *tip1;
+ const char *tip2;
+ int indent;
+};
+
+static struct graph_style graph_default = {
+ " provides",
+ "|--",
+ "+--",
+ 3
+};
+
+static struct graph_style graph_linear = {
+ "",
+ "",
+ "",
+ 0
+};
+
+/* color choices */
+struct color_choices {
+ const char *branch1;
+ const char *branch2;
+ const char *leaf1;
+ const char *leaf2;
+ const char *off;
+};
+
+static struct color_choices use_color = {
+ "\033[0;33m", /* yellow */
+ "\033[0;37m", /* white */
+ "\033[1;32m", /* bold green */
+ "\033[0;32m", /* green */
+ "\033[0m"
+};
+
+static struct color_choices no_color = {
+ "",
+ "",
+ "",
+ "",
+ ""
+};
/* globals */
+pmhandle_t *handle = NULL;
pmdb_t *db_local;
alpm_list_t *walked = NULL;
alpm_list_t *provisions = NULL;
/* options */
-int color = 0;
+struct color_choices *color = &no_color;
+struct graph_style *style = &graph_default;
int graphviz = 0;
-int linear = 0;
int max_depth = -1;
int reverse = 0;
int unique = 0;
-char *dbpath = NULL;
-
-static int alpm_local_init(void)
-{
- int ret;
-
- ret = alpm_initialize();
- if(ret != 0) {
- return(ret);
- }
-
- ret = alpm_option_set_root(ROOTDIR);
- if(ret != 0) {
- return(ret);
- }
-
- if(dbpath) {
- ret = alpm_option_set_dbpath(dbpath);
- } else {
- ret = alpm_option_set_dbpath(DBPATH);
- }
- if(ret != 0) {
- return(ret);
- }
-
- db_local = alpm_option_get_localdb();
- if(!db_local) {
- return(1);
- }
-
- return(0);
-}
+const char *dbpath = DBPATH;
static int parse_options(int argc, char *argv[])
{
@@ -109,10 +112,10 @@ static int parse_options(int argc, char *argv[])
switch(opt) {
case 'b':
- dbpath = strdup(optarg);
+ dbpath = optarg;
break;
case 'c':
- color = 1;
+ color = &use_color;
break;
case 'd':
/* validate depth */
@@ -126,40 +129,27 @@ static int parse_options(int argc, char *argv[])
graphviz = 1;
break;
case 'l':
- linear = 1;
+ style = &graph_linear;
break;
case 'r':
reverse = 1;
break;
case 'u':
- unique = linear = 1;
+ unique = 1;
+ style = &graph_linear;
break;
case 'h':
case '?':
default:
- return(1);
+ return 1;
}
}
if(!argv[optind]) {
- return(1);
- }
-
- if(!color) {
- branch1_color = "";
- branch2_color = "";
- leaf1_color = "";
- leaf2_color = "";
- color_off = "";
- }
- if(linear) {
- provides = "";
- branch_tip1 = "";
- branch_tip2 = "";
- indent_size = 0;
+ return 1;
}
- return(0);
+ return 0;
}
static void usage(void)
@@ -178,19 +168,15 @@ static void usage(void)
static void cleanup(void)
{
- if(dbpath) {
- free(dbpath);
- }
-
alpm_list_free(walked);
alpm_list_free(provisions);
- alpm_release();
+ alpm_release(handle);
}
/* pkg provides provision */
static void print_text(const char *pkg, const char *provision, int depth)
{
- int indent_sz = (depth + 1) * indent_size;
+ int indent_sz = (depth + 1) * style->indent;
if(!pkg && !provision) {
/* not much we can do */
@@ -199,17 +185,17 @@ static void print_text(const char *pkg, const char *provision, int depth)
if(!pkg && provision) {
/* we failed to resolve provision */
- printf("%s%*s%s%s%s%s%s\n", branch1_color, indent_sz, branch_tip1,
- leaf1_color, provision, branch1_color, unresolvable, color_off);
+ printf("%s%*s%s%s%s [unresolvable]%s\n", color->branch1, indent_sz,
+ style->tip1, color->leaf1, provision, color->branch1, color->off);
} else if(provision && strcmp(pkg, provision) != 0) {
/* pkg provides provision */
- printf("%s%*s%s%s%s%s %s%s%s\n", branch2_color, indent_sz, branch_tip2,
- leaf1_color, pkg, leaf2_color, provides, leaf1_color, provision,
- color_off);
+ printf("%s%*s%s%s%s%s %s%s%s\n", color->branch2, indent_sz, style->tip2,
+ color->leaf1, pkg, color->leaf2, style->provides, color->leaf1, provision,
+ color->off);
} else {
/* pkg is a normal package */
- printf("%s%*s%s%s%s\n", branch1_color, indent_sz, branch_tip1, leaf1_color,
- pkg, color_off);
+ printf("%s%*s%s%s%s\n", color->branch1, indent_sz, style->tip1, color->leaf1,
+ pkg, color->off);
}
}
@@ -267,7 +253,7 @@ static void walk_reverse_deps(pmpkg_t *pkg, int depth)
return;
}
- walked = alpm_list_add(walked, (void*)alpm_pkg_get_name(pkg));
+ walked = alpm_list_add(walked, (void *)alpm_pkg_get_name(pkg));
required_by = alpm_pkg_compute_requiredby(pkg);
for(i = required_by; i; i = alpm_list_next(i)) {
@@ -299,7 +285,7 @@ static void walk_deps(pmpkg_t *pkg, int depth)
return;
}
- walked = alpm_list_add(walked, (void*)alpm_pkg_get_name(pkg));
+ walked = alpm_list_add(walked, (void *)alpm_pkg_get_name(pkg));
for(i = alpm_pkg_get_depends(pkg); i; i = alpm_list_next(i)) {
pmdepend_t *depend = alpm_list_getdata(i);
@@ -328,22 +314,27 @@ static void walk_deps(pmpkg_t *pkg, int depth)
int main(int argc, char *argv[])
{
- int ret;
+ int ret = 0;
+ enum _pmerrno_t err;
const char *target_name;
pmpkg_t *pkg;
- ret = parse_options(argc, argv);
- if(ret != 0) {
+ if(parse_options(argc, argv) != 0) {
usage();
+ ret = 1;
goto finish;
}
- ret = alpm_local_init();
- if(ret != 0) {
- fprintf(stderr, "error: cannot initialize alpm: %s\n", alpm_strerrorlast());
+ handle = alpm_initialize(ROOTDIR, dbpath, &err);
+ if(!handle) {
+ fprintf(stderr, "error: cannot initialize alpm: %s\n",
+ alpm_strerror(err));
+ ret = 1;
goto finish;
}
+ db_local = alpm_option_get_localdb(handle);
+
/* we only care about the first non option arg for walking */
target_name = argv[optind];
@@ -366,7 +357,7 @@ int main(int argc, char *argv[])
finish:
cleanup();
- return(ret);
+ return ret;
}
/* vim: set ts=2 sw=2 noet: */
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-07-02 21:53:48 +0200