pactree: separate dependency and print logic
The deps walking code simply calls print_start, print, print_end, and all the printing logic is handled there. The unresolvable printing is disabled for now because it does not handle linear mode, and the linear and color output will be re-written. Signed-off-by: Xavier Chantry <chantry.xavier@gmail.com>
This commit is contained in:
Xavier Chantry
Dan McGee
parent
7c06e66c24
commit
6b928fc0bf
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@ -43,6 +43,7 @@
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/* globals */
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pmdb_t *db_local;
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alpm_list_t *walked = NULL;
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alpm_list_t *provisions = NULL;
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/* options */
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int color = 0;
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@ -168,25 +169,43 @@ static void cleanup(void)
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}
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alpm_list_free(walked);
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alpm_list_free(provisions);
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alpm_release();
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}
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static void print_text(const char *pkg, const char *provider, int depth)
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/* pkg provides provision */
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static void print_text(const char *pkg, const char *provision, int depth)
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{
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int indent_sz;
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int indent_sz = (depth + 1) * INDENT_SZ;
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if(unique && alpm_list_find_str(walked, pkg)) {
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if(!pkg) {
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return;
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}
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indent_sz = (depth + 1) * INDENT_SZ;
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#if 0
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if(!pkg) {
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/* can't resolve, but the show must go on */
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if(color) {
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printf(BRANCH1_COLOR "%*s" LEAF1_COLOR "%s" BRANCH1_COLOR UNRESOLVABLE
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COLOR_OFF "\n", indent_sz, BRANCH_TIP1, provision);
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} else {
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printf("%*s%s" UNRESOLVABLE "\n", indent_sz, BRANCH_TIP1, provision);
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}
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}
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#endif
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if(provision) {
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if(strcmp(pkg, provision) == 0) {
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provision = NULL;
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}
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}
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if(linear) {
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if(color) {
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printf(LEAF1_COLOR);
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}
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if(provider) {
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printf("%s %s\n", pkg, provider);
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if(provision) {
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printf("%s %s\n", pkg, provision);
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} else {
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printf("%s\n", pkg);
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}
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@ -194,12 +213,12 @@ static void print_text(const char *pkg, const char *provider, int depth)
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printf(COLOR_OFF);
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}
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} else {
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if(provider) {
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if(provision) {
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if(color) {
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printf(BRANCH2_COLOR "%*s" LEAF1_COLOR "%s" LEAF2_COLOR PROVIDES
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LEAF1_COLOR"%s\n"COLOR_OFF, indent_sz, BRANCH_TIP2, pkg, provider);
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LEAF1_COLOR"%s\n"COLOR_OFF, indent_sz, BRANCH_TIP2, pkg, provision);
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} else {
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printf("%*s%s" PROVIDES "%s\n", indent_sz, BRANCH_TIP2, pkg, provider);
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printf("%*s%s" PROVIDES "%s\n", indent_sz, BRANCH_TIP2, pkg, provision);
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}
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} else {
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if(color) {
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@ -212,19 +231,49 @@ static void print_text(const char *pkg, const char *provider, int depth)
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}
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}
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static void print_graph(const char *pkg, const char *dep, int provide)
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static void print_graph(const char *parentname, const char *pkgname, const char *depname)
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{
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if(unique && alpm_list_find_str(walked, pkg)) {
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return;
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}
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if(provide) {
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printf("\"%s\" -> \"%s\" [color=grey];\n", pkg, dep);
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} else {
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printf("\"%s\" -> \"%s\" [color=chocolate4];\n", pkg, dep);
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if(depname) {
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printf("\"%s\" -> \"%s\" [color=chocolate4];\n", parentname, depname);
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if(pkgname && strcmp(depname, pkgname) != 0 && !alpm_list_find_str(provisions, depname)) {
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printf("\"%s\" -> \"%s\" [arrowhead=none, color=grey];\n", depname, pkgname);
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provisions = alpm_list_add(provisions, (char *)depname);
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}
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} else if(pkgname) {
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printf("\"%s\" -> \"%s\" [color=chocolate4];\n", parentname, pkgname);
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}
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}
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/* parent depends on dep which is satisfied by pkg */
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static void print(const char *parentname, const char *pkgname, const char *depname, int depth)
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{
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if(graphviz) {
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print_graph(parentname, pkgname, depname);
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} else {
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print_text(pkgname, depname, depth);
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}
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}
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static void print_start(const char *pkgname, const char *provname)
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{
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if(graphviz) {
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printf("digraph G { START [color=red, style=filled];\n"
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"node [style=filled, color=green];\n"
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" \"START\" -> \"%s\";\n", pkgname);
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} else {
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print_text(pkgname, provname, 0);
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}
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}
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static void print_end(void)
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{
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if(graphviz) {
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/* close graph output */
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printf("}\n");
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}
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}
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/**
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* walk dependencies in reverse, showing packages which require the target
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*/
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@ -242,13 +291,14 @@ static void walk_reverse_deps(pmpkg_t *pkg, int depth)
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for(i = required_by; i; i = alpm_list_next(i)) {
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const char *pkgname = alpm_list_getdata(i);
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if(graphviz) {
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print_graph(alpm_pkg_get_name(pkg), pkgname, 0);
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if(alpm_list_find_str(walked, pkgname)) {
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/* if we've already seen this package, don't print in "unique" output
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* and don't recurse */
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if(!unique) {
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print(alpm_pkg_get_name(pkg), pkgname, NULL, depth);
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}
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} else {
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print_text(pkgname, NULL, depth);
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}
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if(!alpm_list_find_str(walked, pkgname)) {
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print(alpm_pkg_get_name(pkg), pkgname, NULL, depth);
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walk_reverse_deps(alpm_db_get_pkg(db_local, pkgname), depth + 1);
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}
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}
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@ -264,7 +314,7 @@ static void walk_deps(pmpkg_t *pkg, int depth)
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alpm_list_t *i;
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if((max_depth >= 0) && (depth == max_depth + 1)) {
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return;
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return;
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}
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walked = alpm_list_add(walked, (void*)alpm_pkg_get_name(pkg));
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@ -274,29 +324,22 @@ static void walk_deps(pmpkg_t *pkg, int depth)
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pmpkg_t *provider = alpm_find_satisfier(alpm_db_get_pkgcache(db_local),
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alpm_dep_get_name(depend));
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if(!provider) {
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/* can't resolve, but the show must go on */
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if(color) {
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printf(BRANCH1_COLOR "%*s" LEAF1_COLOR "%s" BRANCH1_COLOR UNRESOLVABLE
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COLOR_OFF "\n", (depth + 1) * INDENT_SZ, BRANCH_TIP1,
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alpm_dep_get_name(depend));
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} else {
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printf("%*s%s" UNRESOLVABLE "\n", (depth + 1) * INDENT_SZ, BRANCH_TIP1,
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alpm_dep_get_name(depend));
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}
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} else {
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if(graphviz) {
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print_graph(alpm_pkg_get_name(pkg), alpm_dep_get_name(depend), 0);
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} else if(strcmp(alpm_pkg_get_name(provider), alpm_dep_get_name(depend)) == 0) {
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print_text(alpm_pkg_get_name(provider), NULL, depth);
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} else {
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print_text(alpm_pkg_get_name(provider), alpm_dep_get_name(depend), depth);
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}
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if(provider) {
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const char *provname = alpm_pkg_get_name(provider);
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/* don't recurse if we've walked this package already */
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if(!alpm_list_find_str(walked, alpm_pkg_get_name(provider))) {
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if(alpm_list_find_str(walked, provname)) {
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/* if we've already seen this package, don't print in "unique" output
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* and don't recurse */
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if(!unique) {
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print(alpm_pkg_get_name(pkg), provname, alpm_dep_get_name(depend), depth);
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}
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} else {
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print(alpm_pkg_get_name(pkg), provname, alpm_dep_get_name(depend), depth);
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walk_deps(provider, depth + 1);
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}
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} else {
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/* unresolvable package */
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print(alpm_pkg_get_name(pkg), NULL, alpm_dep_get_name(depend), depth);
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}
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}
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}
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@ -305,7 +348,7 @@ int main(int argc, char *argv[])
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{
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int ret;
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const char *target_name;
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pmpkg_t *target;
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pmpkg_t *pkg;
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ret = parse_options(argc, argv);
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if(ret != 0) {
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@ -322,33 +365,22 @@ int main(int argc, char *argv[])
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/* we only care about the first non option arg for walking */
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target_name = argv[optind];
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target = alpm_find_satisfier(alpm_db_get_pkgcache(db_local), target_name);
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if(!target) {
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pkg = alpm_find_satisfier(alpm_db_get_pkgcache(db_local), target_name);
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if(!pkg) {
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fprintf(stderr, "error: package '%s' not found\n", target_name);
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ret = 1;
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goto finish;
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}
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if(graphviz) {
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printf("digraph G { START [color=red, style=filled];\n"
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"node [style=filled, color=green];\n"
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" \"START\" -> \"%s\";\n", alpm_pkg_get_name(target));
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} else if(strcmp(target_name, alpm_pkg_get_name(target)) == 0) {
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print_text(target_name, NULL, 0);
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} else {
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print_text(alpm_pkg_get_name(target), target_name, 0);
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}
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print_start(alpm_pkg_get_name(pkg), target_name);
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if(reverse) {
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walk_reverse_deps(target, 1);
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walk_reverse_deps(pkg, 1);
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} else {
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walk_deps(target, 1);
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walk_deps(pkg, 1);
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}
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/* close graph output */
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if(graphviz) {
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printf("}\n");
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}
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print_end();
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finish:
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cleanup();
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