new: install requirements after pull

locale/tr/LC_MESSAGES/mc.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-05-04 20:25+0300\n"
+"POT-Creation-Date: 2024-05-04 22:30+0300\n"
 "PO-Revision-Date: 2024-05-01 13:34+0300\n"
 "Last-Translator:  <ngn@ngn.tf>\n"
 "Language-Team: Turkish <gnome-turk@gnome.org>\n"
@@ -74,19 +74,19 @@ msgstr ""
 msgid "Failed to change directory to the specified directory"
 msgstr ""
 
-#: src/gen.c:29 src/gen.c:36 src/pull.c:82
+#: src/gen.c:29 src/gen.c:36 src/pull.c:83
 msgid "Loaded repository configuration"
 msgstr ""
 
-#: src/gen.c:31 src/pull.c:77
+#: src/gen.c:31 src/pull.c:78
 msgid "Failed to load the configuration file (mc.cfg):"
 msgstr ""
 
-#: src/gen.c:42 src/pull.c:109
+#: src/gen.c:42 src/pull.c:110
 msgid "Copying all the targets"
 msgstr ""
 
-#: src/gen.c:48 src/pull.c:121
+#: src/gen.c:48 src/pull.c:124
 msgid "Failed to copy the target:"
 msgstr ""
 
@@ -161,50 +161,58 @@ msgid ""
 "information"
 msgstr ""
 
-#: src/pull.c:27
+#: src/pull.c:28
 msgid "Please specify a config name or a URL"
 msgstr ""
 
-#: src/pull.c:56
+#: src/pull.c:57
 #, c-format
 msgid "Cloning %s"
 msgstr ""
 
-#: src/pull.c:61
+#: src/pull.c:62
 #, c-format
 msgid "Failed to clone the %s:"
 msgstr ""
 
-#: src/pull.c:72
+#: src/pull.c:73
 #, c-format
 msgid "Failed to chdir to %s"
 msgstr ""
 
-#: src/pull.c:85
+#: src/pull.c:86
 msgid "Do you want to continue?"
 msgstr ""
 
-#: src/pull.c:91
+#: src/pull.c:92
 msgid "Checking all the targets"
 msgstr ""
 
-#: src/pull.c:97
+#: src/pull.c:98
 #, c-format
 msgid "Failed to access the source for the target \"%s\""
 msgstr ""
 
-#: src/pull.c:106
+#: src/pull.c:107
 msgid "All the target checks were successful"
 msgstr ""
 
-#: src/pull.c:114
+#: src/pull.c:118
 msgid "Install the target?"
 msgstr ""
 
-#: src/pull.c:115
+#: src/pull.c:119
 msgid "Skipping target"
 msgstr ""
 
+#: src/pull.c:157
+msgid "Installing all the requirements"
+msgstr ""
+
+#: src/pull.c:160
+msgid "Failed to run the mp-install command"
+msgstr ""
+
 #: src/target.c:15
 msgid "Configuration target is missing a name"
 msgstr ""

src/error.h

@@ -12,6 +12,10 @@ enum ErrorCodes {
   OpendirFail = 948,
   MkdirFail   = 945,
   OpenFail    = 944,
+
+  RunNoRoot      = 943,
+  RunCmdNotFound = 942,
+  RunCmdFail     = 941,
 };
 
 extern int   errno;

src/pull.c

@@ -6,6 +6,7 @@
 #include "paths.h"
 #include "url.h"
 #include "util.h"
+#include "run.h"
 
 #include <git2.h>
 #include <git2/global.h>
@@ -108,13 +109,15 @@ COPY:
   cur = repo_cfg.t_first;
   info(_("Copying all the targets"));
 
+  char **argv = NULL;
+  int argc = 0, indx = 0;
+
   while (cur && ++counter > 0) {
     target_print(cur);
 
     if (!yesno(_("Install the target?"))) {
       info(_("Skipping target"));
-      cur = cur->next;
-      continue;
+      goto NEXT;
     }
 
     if (!target_copy(cur, false)) {
@@ -123,10 +126,42 @@ COPY:
       goto END;
     }
 
+    argc += cur->require.s;
+    if(0 == argc)
+      goto NEXT;
+
+    if(NULL == argv)
+      argv = malloc(sizeof(char*)*argc);
+    else
+      argv = realloc(argv, sizeof(char*)*argc);
+
+    for(int i = 0; i < cur->require.s; i++){
+      argv[indx] = cur->require.c[i];
+      indx++;
+    }
+
+NEXT:
     cur = cur->next;
   }
 
+  if(NULL == argv){
     ret = true;
+    goto END;
+  }
+
+  argc++;
+  argv = realloc(argv, sizeof(char*)*argc);
+  argv[indx] = NULL;
+  ret = true;
+
+  info(_("Installing all the requirements"));
+  if(!run_cmd_root("mp-install", argv)){
+    ret = false;
+    error(_("Failed to run the mp-install command"));
+    details(errch);
+  }
+
+  free(argv);
 
 END:
   if (repo_cfg.name != NULL)

src/run.c

@@ -0,0 +1,90 @@
+#include <sys/wait.h>
+#include <stdbool.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <spawn.h>
+#include <stdio.h>
+
+#include "error.h"
+#include "util.h"
+#include "run.h"
+
+extern char **environ;
+
+char *run_find_cmd(char *cmd){
+  char *path = getenv("PATH"), *save, *el;
+
+  while((el = strtok_r(path, ":", &save)) != NULL){
+    char fp[strlen(el)+strlen(cmd)+2];
+    join(fp, el, cmd);
+
+    if(exists(fp))
+      return strdup(fp);
+  }
+  return NULL;
+}
+
+bool run_cmd(char **all){
+  pid_t pid;
+  if(posix_spawn(&pid, all[0], NULL, NULL, all, environ) != 0)
+    return false;
+
+  int status;
+  waitpid(pid, &status, 0);
+  return status == 0;
+}
+
+bool run_cmd_root(char *cmd, char **args){
+  char *rootcmd = NULL;
+
+  if(NULL == run_find_cmd(cmd)){
+    error_set("Command not found");
+    errno = RunCmdNotFound;
+    return false;
+  }
+
+  if(getuid()==0)
+    goto RUN;
+  else if((rootcmd = run_find_cmd("doas")) != NULL)
+    goto RUN;
+  else if((rootcmd = run_find_cmd("sudo" )) != NULL)
+    goto RUN;
+
+  error_set("There is no doas or sudo installed");
+  errno = RunNoRoot;
+  return false;
+
+RUN:
+  int arg_count = 0;
+  while(args[arg_count] != NULL)
+    arg_count++;
+  arg_count += 2;
+
+  if(rootcmd != NULL)
+    arg_count++;
+
+  char **all = malloc(arg_count*sizeof(char*));
+  int indx = 0;
+
+  if(rootcmd != NULL){
+    all[indx] = rootcmd;
+    all[++indx] = cmd;
+  }else
+    all[indx] = rootcmd;
+
+  for(int i = 0; i < arg_count; i++)
+    all[++indx] = args[i];
+  all[++indx] = NULL;
+
+  bool ret = true;
+
+  if(!run_cmd(all)){
+    error_set("Command failed");
+    errno = RunCmdFail;
+    ret = false;
+  }
+
+  free(all);
+  return ret;
+}

src/run.h

@@ -0,0 +1,4 @@
+#pragma once
+#include <stdbool.h>
+
+bool run_cmd_root(char *, char **);