new: implement package listing

src/cmd/install.c

@@ -1,4 +1,5 @@
 #include <libmp/all.h>
+#include <libmp/ctx.h>
 #include <stdio.h>
 
 #include "../util.h"
@@ -26,12 +27,12 @@ bool cmd_install(lm_ctx_t *ctx, config_t *config, args_t *args){
 
   if(lm_ctx_sync(ctx, false, NULL, NULL) <= 0){
     error(_("There are no avaliable pools, have you synced yet?"));
-    goto end;
+    return false;
   }
   
   lm_ctx_resolve_list_t *list = NULL;
+  ssize_t current = 0, size = 0, save = 0;
   bool ret = false, r = false;
-  ssize_t current = 0, size = 0;
   char ssize[LONGSTR_MAX+3];
   lm_pkg_t *pkg = NULL;
   char *name = NULL;
@@ -78,7 +79,9 @@ bool cmd_install(lm_ctx_t *ctx, config_t *config, args_t *args){
   else
     info(_("Following %d packages will be "FG_BOLD"INSTALLED:"FG_RESET), list->count);
   
-  // list all the packages
+  while((pkg = lm_ctx_resolve_next(list)) != NULL)
+    package_list(pkg, &save, 0);
+  printf("\n");
 
   info(_("Total of "FG_BOLD"%s"FG_RESET" disk space will be used"), ssize);
   if(!args_get_bool(args, "yes") && !yesno(_("Continue?"))){

src/cmd/remove.c

@@ -19,7 +19,7 @@ bool cmd_remove(lm_ctx_t *ctx, config_t *config, args_t *args){
     return true;
   }
 
-  ssize_t count = 0, size = 0, current = 0;
+  ssize_t count = 0, size = 0, current = 0, save = 0;
   bool ret = false, r = false;
   char ssize[LONGSTR_MAX+3];
   lm_pkg_t *pkgs = NULL;
@@ -66,6 +66,9 @@ bool cmd_remove(lm_ctx_t *ctx, config_t *config, args_t *args){
     info(_("Following %d packages will be "FG_BOLD"REMOVED:"FG_RESET), count);
   
   // list all the packages
+  for(int i = 0; i < count; i++)
+    package_list(&pkgs[i], &save, 0);
+  printf("\n");
 
   info(_("Total of "FG_BOLD"%s"FG_RESET" disk space will be freed"), ssize);
   if(!args_get_bool(args, "yes") && !yesno(_("Continue?"))){

src/cmd/update.c

@@ -26,13 +26,13 @@ bool cmd_update(lm_ctx_t *ctx, config_t *config, args_t *args){
 
   if(lm_ctx_sync(ctx, false, NULL, NULL) <= 0){
     error(_("There are no avaliable pools, have you synced yet?"));
-    goto end;
+    return false;
   }
 
   lm_pkg_t *old = NULL, *new = NULL;
   lm_ctx_update_list_t *list = NULL;
+  ssize_t current = 0, save = 0;
   bool ret = false, r = false;
-  ssize_t current = 0;
 
   if((list = lm_ctx_update_list(ctx)) == NULL){
     error(_("Failed to get the package update list: %s"), lm_strerror());
@@ -49,7 +49,9 @@ bool cmd_update(lm_ctx_t *ctx, config_t *config, args_t *args){
   else
     info(_("Following %d packages will be "FG_BOLD"UPDATED:"FG_RESET), list->count);
   
-  // list all the packages
+  while((old = lm_ctx_update_list_next(list)) != NULL)
+    package_list(old, &save, 0);
+  printf("\n");
 
   if(!args_get_bool(args, "yes") && !yesno(_("Continue?"))){
     error(_("Operation cancelled"));

src/log.c

@@ -1,3 +1,4 @@
+#include <libmp/all.h>
 #include <stdarg.h>
 #include <stdbool.h>
 #include <stdio.h>
@@ -10,6 +11,38 @@
 #include "intl.h"
 #include "log.h"
 
+void package_list(lm_pkg_t *pkg, ssize_t *save, ssize_t max) {
+  ssize_t cur = 0;
+
+  if (*save == 0) {
+    printf("    ");
+    *save = 4;
+  }
+
+  if (max == 0) {
+    struct winsize barwin = {0};
+    ioctl(STDOUT_FILENO, TIOCGWINSZ, &barwin);
+    max = barwin.ws_col;
+  }
+
+  cur += strlen(pkg->name);
+  cur += strlen(pkg->version);
+  *save += cur += 3;
+
+  if (cur > max)
+    goto end;
+
+  if (*save > max) {
+    printf("\n");
+    *save = 0;
+    return package_list(pkg, save, max);
+  }
+
+end:
+  printf(FG_BOLD "%s " FG_BLUE "%s" FG_RESET, pkg->name, pkg->version);
+  printf("  ");
+}
+
 void info(const char *msg, ...) {
   va_list args;
   va_start(args, msg);

src/log.h

@@ -1,5 +1,7 @@
 #pragma once
+#include <libmp/all.h>
 #include <stdbool.h>
+#include <sys/types.h>
 
 #define FG_RED     "\x1b[31m"
 #define FG_BOLD    "\x1b[1m"
@@ -10,6 +12,7 @@
 #define FG_MAGENTA "\x1b[35m"
 #define FG_RESET   "\x1b[0m"
 
+void package_list(lm_pkg_t *pkg, ssize_t *save, ssize_t max);
 void info(const char *msg, ...);
 void error(const char *msg, ...);
 void success(const char *msg, ...);