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update pactree example

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This commit is contained in:
guinux 2015-03-29 16:24:53 +02:00
parent 1058576cce
commit 432526b9d8
1 changed files with 18 additions and 13 deletions
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31
examples/pactree.vala
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@ -1,7 +1,7 @@
/*
* pactree.vala - a simple dependency tree viewer translated in Vala
*
* Copyright (C) 2014 Guillaume Benoit <guillaume@manjaro.org>
* Copyright (C) 2014-2015 Guillaume Benoit <guillaume@manjaro.org>
* Copyright (c) 2010-2011 Pacman Development Team <pacman-dev@archlinux.org>
*
* This program is free software; you can redistribute it and/or modify
@ -37,7 +37,7 @@ string leaf2_color;
string color_off;
/* globals */
Handle handle;
unowned Handle? handle;
unowned DB localdb;
Alpm.List<string?> walked = null;
Alpm.List<string?> provisions = null;
@ -127,7 +127,7 @@ static int parse_options(ref unowned string[] args) {
static void local_init() {
Alpm.Errno error;
handle = new Handle ("/", dbpath, out error);
handle = Handle.new ("/", dbpath, out error);
assert (error == 0);
localdb = handle.localdb;
assert (localdb != null);
@ -167,16 +167,16 @@ static void print_text(string? pkg, string? provision, int depth)
if (pkg == null) {
/* we failed to resolve provision */
stdout.printf("%s%*s%s%s%s%s%s\n", branch1_color, indent_sz, branch_tip1,
leaf1_color, provision, branch1_color, unresolvable, color_off);
leaf1_color, provision, branch1_color, unresolvable, color_off);
} else if ((provision != null) && (provision != pkg)) {
/* pkg provides provision */
stdout.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);
leaf1_color, pkg, leaf2_color, provides, leaf1_color, provision,
color_off);
} else {
/* pkg is a normal package */
stdout.printf("%s%*s%s%s%s\n", branch1_color, indent_sz, branch_tip1, leaf1_color,
pkg, color_off);
pkg, color_off);
}
}
@ -187,19 +187,24 @@ static void walk_reverse_deps(Package pkg, int depth) {
if((max_depth >= 0) && (depth > max_depth)) return;
walked.add(pkg.name);
Alpm.List<string?> required_by = pkg.compute_requiredby ();
Alpm.List<string?> *required_by = pkg.compute_requiredby();
foreach(string? i in required_by) {
string pkgname = i;
int i = 0;
while (i < required_by->length) {
string? pkgname = required_by->nth_data(i);
if (walked.find_str(pkgname) != null) {
/* if we've already seen this package, don't print in "unique" output
* and don't recurse */
if (!unique) print(pkg.name, pkgname, null, depth);
if (!unique) {
print(pkg.name, pkgname, null, depth);
}
} else {
print(pkg.name, pkgname, null, depth);
walk_reverse_deps(localdb.get_pkg(pkgname), depth + 1);
}
i++;
}
Alpm.List.free_all(required_by);
}
/**
@ -262,8 +267,8 @@ static void print_start(string pkgname, string provname)
{
if(graphviz) {
stdout.printf("digraph G { START [color=red, style=filled];\n" +
"node [style=filled, color=green];\n" +
" \"START\" -> \"%s\";\n", pkgname);
"node [style=filled, color=green];\n" +
" \"START\" -> \"%s\";\n", pkgname);
} else {
print_text(pkgname, provname, 0);
}