src/archive.c

   1 #include "theme.h"
   2 #include "main.h"
   3 #include "gettext.h"
   4
   5 #include <string.h>
   6 #include <errno.h>
   7 #include <sys/types.h>
   8 #include <sys/stat.h>
   9 #include <unistd.h>
  10
  11 #define gtk_msg(type, args...) \
  12 {                                                                        \
  13     GtkWidget *msgw;                                                     \
  14     msgw = gtk_message_dialog_new(GTK_WINDOW(mainwin),                   \
  15                                   GTK_DIALOG_DESTROY_WITH_PARENT |       \
  16                                   GTK_DIALOG_MODAL,                      \
  17                                   type,                                  \
  18                                   GTK_BUTTONS_OK,                        \
  19                                   args);                                 \
  20     gtk_dialog_run(GTK_DIALOG(msgw));                                    \
  21     gtk_widget_destroy(msgw);                                            \
  22 }
  23
  24 static gchar *get_theme_dir();
  25 static gboolean change_dir(const gchar *dir);
  26 static gchar* name_from_dir(const gchar *dir);
  27 static gchar* install_theme_to(const gchar *file, const gchar *to);
  28 static gboolean create_theme_archive(const gchar *dir, const gchar *name,
  29                                      const gchar *to);
  30
  31 gchar* archive_install(const gchar *path)
  32 {
  33     gchar *dest;
  34     gchar *name;
  35
  36     if (!(dest = get_theme_dir()))
  37         return NULL;
  38
  39     if ((name = install_theme_to(path, dest))) {
  40         gtk_msg(GTK_MESSAGE_INFO, _("\"%s\" was installed to %s"), name, dest);
  41     }
  42
  43     g_free(dest);
  44
  45     return name;
  46 }
  47
  48 void archive_create(const gchar *path)
  49 {
  50     gchar *name;
  51     gchar *dest;
  52
  53     if (!(name = name_from_dir(path)))
  54         return;
  55
  56     {
  57         gchar *file;
  58         file = g_strdup_printf("%s.obt", name);
  59         dest = g_build_path(G_DIR_SEPARATOR_S,
  60                             g_get_current_dir(), file, NULL);
  61         g_free(file);
  62     }
  63
  64     if (create_theme_archive(path, name, dest))
  65         gtk_msg(GTK_MESSAGE_INFO, _("\"%s\" was successfully created"),
  66                 dest);
  67
  68     g_free(dest);
  69     g_free(name);
  70 }
  71
  72 static gboolean create_theme_archive(const gchar *dir, const gchar *name,
  73                                      const gchar *to)
  74 {
  75     gchar *glob;
  76     gchar **argv;
  77     gchar *errtxt = NULL;
  78     gchar *parentdir;
  79     gint exitcode;
  80     GError *e = NULL;
  81
  82     glob = g_strdup_printf("%s/openbox-3/", name);
  83
  84     parentdir = g_build_path(G_DIR_SEPARATOR_S, dir, "..", NULL);
  85
  86     argv = g_new(gchar*, 9);
  87     argv[0] = g_strdup("tar");
  88     argv[1] = g_strdup("-c");
  89     argv[2] = g_strdup("-z");
  90     argv[3] = g_strdup("-f");
  91     argv[4] = g_strdup(to);
  92     argv[5] = g_strdup("-C");
  93     argv[6] = g_strdup(parentdir);
  94     argv[7] = g_strdup(glob);
  95     argv[8] = NULL;
  96     if (g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
  97                      NULL, &errtxt, &exitcode, &e))
  98     {
  99         if (exitcode != EXIT_SUCCESS)
 100             gtk_msg(GTK_MESSAGE_ERROR,
 101                     _("Unable to create the theme archive \"%s\".\nThe following errors were reported:\n%s"),
 102                     to, errtxt);
 103
 104     }
 105     else
 106         gtk_msg(GTK_MESSAGE_ERROR, _("Unable to run the \"tar\" command: %s"),
 107                 e->message);
 108
 109     g_strfreev(argv);
 110     if (e) g_error_free(e);
 111     g_free(errtxt);
 112     g_free(parentdir);
 113     g_free(glob);
 114     return exitcode == EXIT_SUCCESS;
 115 }
 116
 117 static gchar *get_theme_dir()
 118 {
 119     gchar *dir;
 120     gint r;
 121
 122     dir = g_build_path(G_DIR_SEPARATOR_S, g_get_home_dir(), ".themes", NULL);
 123     r = mkdir(dir, 0777);
 124     if (r == -1 && errno != EEXIST) {
 125         gtk_msg(GTK_MESSAGE_ERROR,
 126                 _("Unable to create directory \"%s\": %s"),
 127                 dir, strerror(errno));
 128         g_free(dir);
 129         dir = NULL;
 130     }
 131
 132     return dir;
 133 }
 134
 135 static gchar* name_from_dir(const gchar *dir)
 136 {
 137     gchar *rc;
 138     struct stat st;
 139     gboolean r;
 140
 141     rc = g_build_path(G_DIR_SEPARATOR_S, dir, "openbox-3", "themerc", NULL);
 142
 143     r = (stat(rc, &st) == 0 && S_ISREG(st.st_mode));
 144     g_free(rc);
 145
 146     if (!r) {
 147         gtk_msg(GTK_MESSAGE_ERROR,
 148                 _("\"%s\" does not appear to be a valid Openbox theme directory"),
 149                 dir);
 150         return NULL;
 151     }
 152     return g_path_get_basename(dir);
 153 }
 154
 155 static gboolean change_dir(const gchar *dir)
 156 {
 157     if (chdir(dir) == -1) {
 158         gtk_msg(GTK_MESSAGE_ERROR, _("Unable to move to directory \"%s\": %s"),
 159                 dir, strerror(errno));
 160         return FALSE;
 161     }
 162     return TRUE;
 163 }
 164
 165 static gchar* install_theme_to(const gchar *file, const gchar *to)
 166 {
 167     gchar *glob;
 168     gchar **argv;
 169     gchar *errtxt = NULL, *outtxt = NULL;
 170     gint exitcode;
 171     GError *e = NULL;
 172     gchar *name = NULL;
 173
 174     glob = g_strdup_printf("*/openbox-3/", name);
 175
 176     argv = g_new(gchar*, 11);
 177     argv[0] = g_strdup("tar");
 178     argv[1] = g_strdup("-x");
 179     argv[2] = g_strdup("-v");
 180     argv[3] = g_strdup("-z");
 181     argv[4] = g_strdup("--wildcards");
 182     argv[5] = g_strdup("-f");
 183     argv[6] = g_strdup(file);
 184     argv[7] = g_strdup("-C");
 185     argv[8] = g_strdup(to);
 186     argv[9] = g_strdup(glob);
 187     argv[10] = NULL;
 188     if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 189                       &outtxt, &errtxt, &exitcode, &e))
 190         gtk_msg(GTK_MESSAGE_ERROR, _("Unable to run the \"tar\" command: %s"),
 191                 e->message);
 192     g_strfreev(argv);
 193     if (e) g_error_free(e);
 194
 195     if (exitcode != EXIT_SUCCESS)
 196         gtk_msg(GTK_MESSAGE_ERROR,
 197                 _("Unable to extract the file \"%s\".\nPlease ensure that \"%s\" is writable and that the file is a valid Openbox theme archive.\nThe following errors were reported:\n%s"),
 198                 file, to, errtxt);
 199
 200     if (exitcode == EXIT_SUCCESS) {
 201         gchar **lines = g_strsplit(outtxt, "\n", 0);
 202         gchar **it;
 203         for (it = lines; *it; ++it) {
 204             gchar *l = *it;
 205             gboolean found = FALSE;
 206
 207             while (*l && !found) {
 208                 if (!strcmp(l, "/openbox-3/")) {
 209                     *l = '\0'; /* cut the string */
 210                     found = TRUE;
 211                 }
 212                 ++l;
 213             }
 214
 215             if (found) {
 216                 name = g_strdup(*it);
 217                 break;
 218             }
 219         }
 220         g_strfreev(lines);
 221     }
 222
 223     g_free(outtxt);
 224     g_free(errtxt);
 225     g_free(glob);
 226     return name;
 227 }