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Add option to buildstrategy to produce a dot graph

Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
This commit is contained in:
David Oberhollenzer 2019-03-30 23:11:29 +01:00
parent 52f7bdc5c8
commit 4d48e374d8
3 changed files with 48 additions and 5 deletions

View file

@ -91,10 +91,11 @@ static const struct option long_opts[] = {
{ "prefere", required_argument, NULL, 'P' },
{ "provides", required_argument, NULL, 'p' },
{ "depends", required_argument, NULL, 'd' },
{ "graph", no_argument, NULL, 'g' },
{ NULL, 0, NULL, 0 },
};
static const char *short_opts = "p:d:P:";
static const char *short_opts = "p:d:P:g";
static void pkg_mark_deps(source_pkg_t *pkg)
{
@ -114,7 +115,7 @@ static void pkg_mark_deps(source_pkg_t *pkg)
static int cmd_buildstrategy(int argc, char **argv)
{
const char *provides = NULL, *depends = NULL, *prefere = NULL;
int i, ret = EXIT_FAILURE;
int i, ret = EXIT_FAILURE, mode = MODE_BUILD_ORDER;
source_pkg_t *pkg;
if (src_pkg_init())
@ -138,6 +139,9 @@ static int cmd_buildstrategy(int argc, char **argv)
case 'd':
depends = optarg;
break;
case 'g':
mode = MODE_BUILD_GRAPH;
break;
default:
goto fail_arg;
}
@ -170,8 +174,17 @@ static int cmd_buildstrategy(int argc, char **argv)
pkg_mark_deps(pkg);
}
if (src_pkg_output_build_order())
goto out;
switch (mode) {
case MODE_BUILD_GRAPH:
fputs("digraph buildgraph {\n\tcompound=true;\n", stdout);
src_pkg_print_graph_cluster();
fputs("}\n", stdout);
break;
default:
if (src_pkg_output_build_order())
goto out;
break;
}
ret = EXIT_SUCCESS;
out:
@ -209,7 +222,9 @@ static command_t buildstrategy = {
" produces this binary. If the `--provides` file\n"
" specifies that more than one source pacakge\n"
" provides a binary package, this file contains the\n"
" prefered one we should use.\n",
" prefered one we should use.\n"
" --graph, -g Instead of printing out an ordered list, produce\n"
" a dot graph of the source packages to be built.\n",
.run_cmd = cmd_buildstrategy,
};

View file

@ -17,6 +17,11 @@ enum {
FLAG_BUILD_PKG = 0x01,
};
enum {
MODE_BUILD_ORDER = 0,
MODE_BUILD_GRAPH,
};
typedef struct source_pkg_t {
struct source_pkg_t *next;
char *name;
@ -45,4 +50,6 @@ int provider_add_prefered(const char *binpkg, const char *sourcepkg);
source_pkg_t *provider_get(const char *parent, const char *binpkg);
void src_pkg_print_graph_cluster(void);
#endif /* BUILDSTRATEGY_H */

View file

@ -122,3 +122,24 @@ int src_pkg_output_build_order(void)
return 0;
}
static int print_cluster(void *usr, const char *name, void *p)
{
source_pkg_t *pkg = p;
size_t i;
(void)usr;
if (!(pkg->flags & FLAG_BUILD_PKG))
return 0;
for (i = 0; i < pkg->num_depends; ++i) {
printf("\t\"%s\" -> \"%s\"\n",
name, pkg->depends[i]->name);
}
return 0;
}
void src_pkg_print_graph_cluster(void)
{
hash_table_foreach(&tbl_sourcepkgs, NULL, print_cluster);
}