new: basic info command

src/cmd.h

@@ -13,8 +13,9 @@ typedef struct cmd {
   cmd_func_t func;
 } cmd_t;
 
+bool cmd_info(lm_ctx_t *ctx, config_t *config, args_t *args);
 bool cmd_sync(lm_ctx_t *ctx, config_t *config, args_t *args);
+bool cmd_list(lm_ctx_t *ctx, config_t *config, args_t *args);
 bool cmd_install(lm_ctx_t *ctx, config_t *config, args_t *args);
 bool cmd_remove(lm_ctx_t *ctx, config_t *config, args_t *args);
 bool cmd_update(lm_ctx_t *ctx, config_t *config, args_t *args);
-bool cmd_list(lm_ctx_t *ctx, config_t *config, args_t *args);

src/cmd/info.c

@@ -0,0 +1,115 @@
+#include <libmp/all.h>
+#include <libmp/ctx.h>
+#include <libmp/error.h>
+#include <libmp/package.h>
+#include <stdio.h>
+
+#include "../util.h"
+#include "../cmd.h"
+#include "../log.h"
+
+bool cmd_info(lm_ctx_t *ctx, config_t *config, args_t *args){
+  if(args_get_bool(args, "help")){
+    info(_("Listing options for the list command:"));
+    printf(_("    "FG_BOLD"--grep"FG_RESET":\tmakes the output \"grepable\"\n"));
+    printf(_("    "FG_BOLD"--changes"FG_RESET":\topen the changes file for the package\n"));
+    printf(_("    "FG_BOLD"--database"FG_RESET":\tsearch the database instead of the pools\n"));
+    return true;
+  }
+
+  if(!args_get_bool(args, "database"))
+    lm_ctx_sync(ctx, false, NULL, NULL);
+
+  char *name = NULL, *changes = NULL;
+  lm_pkg_t pkg, *pkgp = &pkg;
+
+  for(size_t i = 0; i < args->count; i++){
+    if(NULL != args->list[i].name || eq(args->list[i].value, "info"))
+      continue;
+
+    if(NULL == name){
+      name = args->list[i].value;
+      continue;
+    }
+
+    if(!args_get_bool(args, "grep"))
+      error(_("Please specify only a single package name"));
+    return false;
+  }
+
+  if(NULL == name){
+    if(!args_get_bool(args, "grep"))
+      error(_("Please specify a single package"));
+    return false;
+  }
+
+  if(args_get_bool(args, "database") && !lm_ctx_database_find(ctx, &pkg, name, NULL)){
+    if(!args_get_bool(args, "grep") && LM_ERR_DbSqlNotFound == lm_error())
+      error(_("Package "FG_BOLD"%s"FG_RESET" not found"), name);
+    return false;
+  }
+
+  else if(!args_get_bool(args, "database") && (pkgp = lm_ctx_pool_find(ctx, name, NULL)) == NULL){
+    if(!args_get_bool(args, "grep") && LM_ERR_PkgNotFound == lm_error())
+      error(_("Package "FG_BOLD"%s"FG_RESET" not found"), name);
+    return false;
+  }
+
+  if((changes = lm_ctx_database_changes(ctx, pkgp)) == NULL && LM_ERR_DbChangesNotExists != lm_error()){
+    error(_("Failed to get the changes file for "FG_BOLD"%s"FG_RESET"_"FG_BOLD FG_GREEN"%s"FG_RESET": %s"), pkgp->name, pkgp->version, lm_strerror());
+    return false;
+  }
+
+  // TODO: open the changes file with the preferred editor if --changes is set
+
+  char depends[lm_package_depend_strlen(pkgp)+1];
+  lm_package_depend_tostr(pkgp, depends);
+
+  if(args_get_bool(args, "grep")){
+    printf("NAME:%s\n", pkgp->name);
+    printf("VERSION:%s\n", pkgp->version);
+    printf("DESC:%s\n", pkgp->desc);
+    printf("SIZE:%lu\n", pkgp->size);
+    
+    if(lm_package_depend_count(pkgp) > 0)
+      printf("DEPENDS:%s\n", depends);
+
+    if(NULL != changes)
+      printf("CHANGES:%s\n", changes);
+
+    if(!args_get_bool(args, "database")){
+      printf("INSTALLED:%d\n", lm_ctx_database_is_installed(ctx, pkgp, false));
+      printf("UPTODATE:%d\n", lm_ctx_database_is_installed(ctx, pkgp, true));
+    }
+    
+    goto end;
+  }
+
+  char ssize[LONGSTR_MAX+1];
+  size_to_human(ssize, pkgp->size);
+
+  printf(_(FG_BOLD"Name       "FG_BLUE"=>"FG_RESET" %s\n"), pkgp->name);
+  printf(_(FG_BOLD"Version    "FG_BLUE"=>"FG_RESET" %s\n"), pkgp->version);
+  printf(_(FG_BOLD"Desc       "FG_BLUE"=>"FG_RESET" %s\n"), pkgp->desc);
+  printf(_(FG_BOLD"Size       "FG_BLUE"=>"FG_RESET" %s\n"), ssize);
+  
+  if(lm_package_depend_count(pkgp) > 0)
+    printf(_(FG_BOLD"Depends    "FG_BLUE"=>"FG_RESET" %s\n"), depends);
+
+  if(NULL != changes)
+    printf(_(FG_BOLD"Changes    "FG_BLUE"=>"FG_RESET" %s\n"), changes);
+    
+  if(!args_get_bool(args, "database")){
+    printf(lm_ctx_database_is_installed(ctx, pkgp, false) ? 
+           _(FG_BOLD"Installed  "FG_BLUE"=>"FG_RESET" "FG_GREEN"yes"FG_RESET"\n") :
+           _(FG_BOLD"Installed  "FG_BLUE"=>"FG_RESET" "FG_RED"no"FG_RESET"\n"));
+    printf(lm_ctx_database_is_installed(ctx, pkgp, true) ? 
+           _(FG_BOLD"Up-to-date "FG_BLUE"=>"FG_RESET" "FG_GREEN"yes"FG_RESET"\n") :
+           _(FG_BOLD"Up-to-date "FG_BLUE"=>"FG_RESET" "FG_RED"no"FG_RESET"\n"));
+  }
+
+end:
+  if(args_get_bool(args, "database"))
+    lm_package_free(pkgp);
+  return true;
+}

src/cmd/install.c

@@ -1,5 +1,4 @@
 #include <libmp/all.h>
-#include <libmp/ctx.h>
 #include <stdio.h>
 
 #include "../util.h"

src/cmd/list.c

@@ -5,9 +5,6 @@
 #include "../log.h"
 
 bool cmd_list(lm_ctx_t *ctx, config_t *config, args_t *args){
-  ssize_t count = 0;
-  lm_pkg_t pkg;
-
   if(args_get_bool(args, "help")){
     info(_("Listing options for the list command:"));
     printf(_("    "FG_BOLD"--grep"FG_RESET":\tmakes the output \"grepable\"\n"));
@@ -15,12 +12,16 @@ bool cmd_list(lm_ctx_t *ctx, config_t *config, args_t *args){
     return true;
   }
   
+  ssize_t count = 0;
+  lm_pkg_t pkg;
+
   while(lm_ctx_database_next(ctx, &pkg))
     count++;
   lm_ctx_database_next_free(ctx, &pkg);
 
-  if(count <= 0 && !args_get_bool(args, "grep")){
-    info(_("There no installed packages"));
+  if(count <= 0){
+    if(!args_get_bool(args, "grep"))
+      info(_("There no installed packages"));
     return true;
   }
 

src/main.c

@@ -37,11 +37,12 @@
 
 int main(int argc, char *argv[]) {
   cmd_t commands[] = {
-      {.name = "list",    .desc = "list all the installed packages",        .func = cmd_list   },
-      {.name = "sync",    .desc = "update the pool info and package lists", .func = cmd_sync   },
-      {.name = "install", .desc = "install package(s) from remote pools",   .func = cmd_install},
-      {.name = "remove",  .desc = "remove installed package(s)",            .func = cmd_remove },
-      {.name = "update",  .desc = "update installed package(s)",            .func = cmd_update },
+      {.name = "info",    .desc = "show information about a single package", .func = cmd_info   },
+      {.name = "list",    .desc = "list all the installed packages",         .func = cmd_list   },
+      {.name = "sync",    .desc = "update the pool info and package lists",  .func = cmd_sync   },
+      {.name = "install", .desc = "install package(s) from remote pools",    .func = cmd_install},
+      {.name = "remove",  .desc = "remove installed package(s)",             .func = cmd_remove },
+      {.name = "update",  .desc = "update installed package(s)",             .func = cmd_update },
   };
 
   char    *config_file = NULL, *root_dir = NULL;