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Sourcecode: aegis version File versions

aenf.c

/*
 *    aegis - project change supervisor
 *    Copyright (C) 1991-2002 Peter Miller;
 *    All rights reserved.
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 *
 * MANIFEST: functions to implement new file
 */

#include <ac/stdio.h>
#include <ac/stdlib.h>
#include <ac/fcntl.h>
#include <ac/unistd.h>

#include <ael/project/files.h>
#include <aenf.h>
#include <arglex2.h>
#include <change/branch.h>
#include <change/file.h>
#include <col.h>
#include <commit.h>
#include <dir.h>
#include <error.h>
#include <file.h>
#include <help.h>
#include <lock.h>
#include <log.h>
#include <os.h>
#include <pconf.h>
#include <progname.h>
#include <project.h>
#include <project/file.h>
#include <sub.h>
#include <trace.h>
#include <user.h>
#include <str_list.h>


static void
new_file_usage(void)
{
    char        *progname;

    progname = progname_get();
    fprintf
    (
      stderr,
      "usage: %s -New_File <filename>... [ <option>... ]\n",
      progname
    );
    fprintf(stderr, "       %s -New_File -List [ <option>... ]\n", progname);
    fprintf(stderr, "       %s -New_File -Help\n", progname);
    quit(1);
}


static void
new_file_help(void)
{
    help("aenf", new_file_usage);
}


static void
new_file_list(void)
{
    string_ty         *project_name;
    long        change_number;

    trace(("new_file_list()\n{\n"));
    project_name = 0;
    change_number = 0;
    arglex();
    while (arglex_token != arglex_token_eoln)
    {
      switch (arglex_token)
      {
      default:
          generic_argument(new_file_usage);
          continue;

      case arglex_token_change:
          if (arglex() != arglex_token_number)
            option_needs_number(arglex_token_change, new_file_usage);
          /* fall through... */

      case arglex_token_number:
          if (change_number)
            duplicate_option_by_name(arglex_token_change, new_file_usage);
          change_number = arglex_value.alv_number;
          if (change_number == 0)
            change_number = MAGIC_ZERO;
          else if (change_number < 1)
          {
            sub_context_ty    *scp;

            scp = sub_context_new();
            sub_var_set_long(scp, "Number", change_number);
            fatal_intl(scp, i18n("change $number out of range"));
            /* NOTREACHED */
            sub_context_delete(scp);
          }
          break;

      case arglex_token_project:
          if (arglex() != arglex_token_string)
            option_needs_name(arglex_token_project, new_file_usage);
          if (project_name)
            duplicate_option_by_name(arglex_token_project, new_file_usage);
          project_name = str_from_c(arglex_value.alv_string);
          break;
      }
      arglex();
    }
    list_project_files(project_name, change_number);
    if (project_name)
      str_free(project_name);
    trace(("}\n"));
}


typedef struct walker_ty walker_ty;
struct walker_ty
{
    user_ty     *up;
    change_ty         *cp;
    string_list_ty  *slp;
    string_ty         *dd;
    int               found;
    int               used;
};


static void
walker(void *p, dir_walk_message_ty msg, string_ty *path, struct stat *st)
{
    walker_ty         *aux;
    string_ty         *s;

    aux = p;
    switch (msg)
    {
    case dir_walk_dir_before:
    case dir_walk_dir_after:
      break;

    case dir_walk_special:
    case dir_walk_symlink:
      /*
       * Ignore special files and symlinks.
       * If they need them, they can create them at build time.
       */
      break;

    case dir_walk_file:
      /*
       * Ignore files we already know about.
       * Ignore files the change already knows about.
       * Ignore files the project already knows about.
       */
      aux->found++;
      s = os_below_dir(aux->dd, path);
      user_become_undo();
      if
      (
          !string_list_member(aux->slp, s)
      &&
          !change_file_find(aux->cp, s)
      &&
          !project_file_find(aux->cp->pp, s, view_path_extreme)
      )
      {
          string_list_append(aux->slp, s);
          aux->used++;
      }
      user_become(aux->up);
      str_free(s);
      break;
    }
}


static void
new_file_main(void)
{
    string_ty         *dd;
    string_list_ty  wl;
    cstate      cstate_data;
    size_t      j;
    size_t      k;
    string_ty         *s1;
    string_ty         *s2;
    string_ty         *project_name;
    project_ty        *pp;
    long        change_number;
    change_ty         *cp;
    log_style_ty    log_style;
    user_ty     *up;
    int               generated;
    int               nerrs;
    string_list_ty  search_path;
    string_list_ty  wl2;
    int               based;
    string_ty         *base;
    pconf       pconf_data;
    int               use_template;

    trace(("new_file_main()\n{\n"));
    arglex();
    project_name = 0;
    change_number = 0;
    generated = 0;
    string_list_constructor(&wl);
    log_style = log_style_append_default;
    nerrs = 0;
    use_template = -1;
    while (arglex_token != arglex_token_eoln)
    {
      switch (arglex_token)
      {
      default:
          generic_argument(new_file_usage);
          continue;

      case arglex_token_file:
          if (arglex() != arglex_token_string)
            new_file_usage();
          /* fall through... */

      case arglex_token_string:
          s2 = str_from_c(arglex_value.alv_string);
          string_list_append(&wl, s2);
          str_free(s2);
          break;

      case arglex_token_change:
          if (arglex() != arglex_token_number)
            option_needs_number(arglex_token_change, new_file_usage);
          /* fall through... */

      case arglex_token_number:
          if (change_number)
            duplicate_option_by_name(arglex_token_change, new_file_usage);
          change_number = arglex_value.alv_number;
          if (change_number == 0)
            change_number = MAGIC_ZERO;
          else if (change_number < 1)
          {
            sub_context_ty    *scp;

            scp = sub_context_new();
            sub_var_set_long(scp, "Number", change_number);
            fatal_intl(scp, i18n("change $number out of range"));
            /* NOTREACHED */
            sub_context_delete(scp);
          }
          break;

      case arglex_token_project:
          if (arglex() != arglex_token_string)
            option_needs_name(arglex_token_project, new_file_usage);
          if (project_name)
            duplicate_option_by_name(arglex_token_project, new_file_usage);
          project_name = str_from_c(arglex_value.alv_string);
          break;

      case arglex_token_nolog:
          if (log_style == log_style_none)
            duplicate_option(new_file_usage);
          log_style = log_style_none;
          break;

      case arglex_token_build:
          if (generated)
            duplicate_option(new_file_usage);
          generated = 1;
          break;

      case arglex_token_wait:
      case arglex_token_wait_not:
          user_lock_wait_argument(new_file_usage);
          break;

      case arglex_token_base_relative:
      case arglex_token_current_relative:
          user_relative_filename_preference_argument(new_file_usage);
          break;

      case arglex_token_template:
      case arglex_token_template_not:
          if (use_template >= 0)
            duplicate_option(new_file_usage);
          use_template = (arglex_token == arglex_token_template);
          break;
      }
      arglex();
    }
    if (nerrs)
    {
      sub_context_ty    *scp;

      scp = sub_context_new();
      sub_var_set_long(scp, "Number", nerrs);
      sub_var_optional(scp, "Number");
      fatal_intl(scp, i18n("no new files"));
      /* NOTREACHED */
      sub_context_delete(scp);
    }
    if (!wl.nstrings)
    {
      error_intl(0, i18n("no file names"));
      new_file_usage();
    }

    /*
     * locate project data
     */
    if (!project_name)
      project_name = user_default_project();
    pp = project_alloc(project_name);
    str_free(project_name);
    project_bind_existing(pp);

    /*
     * locate user data
     */
    up = user_executing(pp);

    /*
     * locate change data
     */
    if (!change_number)
      change_number = user_default_change(up);
    cp = change_alloc(pp, change_number);
    change_bind_existing(cp);

    /*
     * lock the change file
     */
    change_cstate_lock_prepare(cp);
    lock_take();
    cstate_data = change_cstate_get(cp);

    log_open(change_logfile_get(cp), up, log_style);

    /*
     * It is an error if the change is not in the being_developed state.
     * It is an error if the change is not assigned to the current user.
     */
    if (cstate_data->state != cstate_state_being_developed)
      change_fatal(cp, 0, i18n("bad nf state"));
    if (change_is_a_branch(cp))
      change_fatal(cp, 0, i18n("bad nf branch"));
    if (!str_equal(change_developer_name(cp), user_name(up)))
      change_fatal(cp, 0, i18n("not developer"));

    /*
     * Search list for resolving filenames.
     */
    change_search_path_get(cp, &search_path, 1);

    /*
     * Find the base for relative filenames.
     */
    based =
      (
          search_path.nstrings >= 1
      &&
          (
            user_relative_filename_preference
            (
                up,
                uconf_relative_filename_preference_current
            )
          ==
            uconf_relative_filename_preference_base
          )
      );
    if (based)
      base = search_path.string[0];
    else
    {
      os_become_orig();
      base = os_curdir();
      os_become_undo();
    }

    /*
     * resolve the path of each file
     * 1.   the absolute path of the file name is obtained
     * 2.   if the file is inside the development directory, ok
     * 3.   if the file is inside the baseline, ok
     * 4.   if neither, error
     */
    string_list_constructor(&wl2);
    for (j = 0; j < wl.nstrings; ++j)
    {
      s1 = wl.string[j];
      if (s1->str_text[0] == '/')
          s2 = str_copy(s1);
      else
          s2 = str_format("%S/%S", base, s1);
      user_become(up);
      s1 = os_pathname(s2, 1);
      user_become_undo();
      str_free(s2);
      s2 = 0;
      for (k = 0; k < search_path.nstrings; ++k)
      {
          s2 = os_below_dir(search_path.string[k], s1);
          if (s2)
            break;
      }
      str_free(s1);
      if (!s2)
      {
          sub_context_ty  *scp;

          scp = sub_context_new();
          sub_var_set_string(scp, "File_Name", wl.string[j]);
          change_error(cp, scp, i18n("$filename unrelated"));
          sub_context_delete(scp);
          ++nerrs;
          continue;
      }
      if (string_list_member(&wl2, s2))
      {
          sub_context_ty  *scp;

          scp = sub_context_new();
          sub_var_set_string(scp, "File_Name", s2);
          change_error(cp, scp, i18n("too many $filename"));
          sub_context_delete(scp);
          ++nerrs;
      }
      else
          string_list_append(&wl2, s2);
      str_free(s2);
    }
    string_list_destructor(&search_path);
    string_list_destructor(&wl);
    wl = wl2;

    /*
     * check that each filename is OK
     *
     * If a directory is named, extract the files from beneath it.
     */
    pconf_data = change_pconf_get(cp, 0);
    dd = change_development_directory_get(cp, 0);
    string_list_constructor(&wl2);
    for (j = 0; j < wl.nstrings; ++j)
    {
      string_ty   *fn;
      string_ty   *ffn;
      string_ty   *e;

      fn = wl.string[j];
      if (generated && change_file_is_config(cp, fn))
      {
          sub_context_ty  *scp;

          scp = sub_context_new();
          sub_var_set_string(scp, "File_Name", fn);
          change_error(cp, scp, i18n("may not build $filename"));
          sub_context_delete(scp);
          ++nerrs;
      }
      user_become(up);
      ffn = os_path_cat(dd, fn);
      if (os_isa_directory(ffn))
      {
          walker_ty         aux;

          aux.up = up;
          aux.cp = cp;
          aux.slp = &wl;
          aux.dd = dd;
          aux.found = 0;
          aux.used = 0;
          dir_walk(ffn, walker, &aux);

          /*
           * It's an error if there is nothing to do for
           * this directory.
           */
          if (!aux.used)
          {
            sub_context_ty    *scp;

            scp = sub_context_new();
            if (fn->str_length)
                sub_var_set_string(scp, "File_Name", fn);
            else
                sub_var_set_charstar(scp, "File_Name", ".");
            sub_var_set_long(scp, "Number", aux.found);
            sub_var_optional(scp, "Number");
            change_error
            (
                cp,
                scp,
                i18n("directory $filename contains no relevant files")
            );
            sub_context_delete(scp);
            ++nerrs;
          }
          user_become_undo();
          str_free(ffn);
          continue;
      }
      if (os_isa_special_file(ffn))
      {
          if (pconf_data->create_symlinks_before_build)
          {
            /*
             * In the case where we are using a
             * symlink farm, this is probably a link
             * into the baseline.  Just nuke it,
             * and keep going.
             */
            os_unlink(ffn);
          }
          else
          {
            /*
             * If the file exists, and isn't a normal file,
             * and isn't a directory, you can't add it as
             * a source file.
             */
            sub_context_ty    *scp;

            scp = sub_context_new();
            sub_var_set_string(scp, "File_Name", fn);
            change_error(cp, scp, i18n("$filename bad nf type"));
            sub_context_delete(scp);
            ++nerrs;
            user_become_undo();
            str_free(ffn);
            continue;
          }
      }
      str_free(ffn);
      user_become_undo();
      e = change_filename_check(cp, fn, 1);
      if (e)
      {
          sub_context_ty  *scp;

          /*
           * no internationalization of the error string
           * required, this is done inside the
           * change_filename_check function.
           */
          scp = sub_context_new();
          sub_var_set_string(scp, "Message", e);
          change_error(cp, scp, i18n("$message"));
          sub_context_delete(scp);
          ++nerrs;
          str_free(e);
          break;
      }

      /*
       * Remember this one.
       */
      string_list_append(&wl2, fn);
    }
    if (nerrs)
    {
      sub_context_ty    *scp;

      scp = sub_context_new();
      sub_var_set_long(scp, "Number", nerrs);
      sub_var_optional(scp, "Number");
      change_fatal(cp, scp, i18n("no new files"));
      sub_context_delete(scp);
    }
    string_list_destructor(&wl);
    wl = wl2;

    /*
     * ensure that each file
     * 1. is not already part of the change
     * 2. is not already part of the baseline
     * 3. does not have a directory conflict
     */
    for (j = 0; j < wl.nstrings; ++j)
    {
      fstate_src  src_data;

      s1 = wl.string[j];
      s2 = change_file_directory_conflict(cp, s1);
      if (s2)
      {
          sub_context_ty  *scp;

          scp = sub_context_new();
          sub_var_set_string(scp, "File_Name", s1);
          sub_var_set_string(scp, "File_Name2", s2);
          sub_var_optional(scp, "File_Name2");
          change_error
          (
            cp,
            scp,
            i18n("file $filename directory name conflict")
          );
          sub_context_delete(scp);
          ++nerrs;
          continue;
      }
      s2 = project_file_directory_conflict(pp, s1);
      if (s2)
      {
          sub_context_ty  *scp;

          scp = sub_context_new();
          sub_var_set_string(scp, "File_Name", s1);
          sub_var_set_string(scp, "File_Name2", s2);
          sub_var_optional(scp, "File_Name2");
          project_error
          (
            pp,
            scp,
            i18n("file $filename directory name conflict")
          );
          sub_context_delete(scp);
          ++nerrs;
          continue;
      }
      if (change_file_find(cp, s1))
      {
          sub_context_ty  *scp;

          scp = sub_context_new();
          sub_var_set_string(scp, "File_Name", s1);
          change_error(cp, scp, i18n("file $filename dup"));
          sub_context_delete(scp);
          ++nerrs;
      }
      else
      {
          src_data = project_file_find(pp, s1, view_path_extreme);
          if (src_data)
          {
            sub_context_ty    *scp;

            scp = sub_context_new();
            sub_var_set_string(scp, "File_Name", s1);
            project_error(pp, scp, i18n("$filename in baseline"));
            sub_context_delete(scp);
            ++nerrs;
          }
      }
    }
    if (nerrs)
    {
      sub_context_ty    *scp;

      scp = sub_context_new();
      sub_var_set_long(scp, "Number", nerrs);
      sub_var_optional(scp, "Number");
      change_fatal(cp, scp, i18n("no new files"));
      sub_context_delete(scp);
    }

    /*
     * Create each file in the development directory,
     * if it does not already exist.
     * Create any necessary directories along the way.
     */
    for (j = 0; j < wl.nstrings; ++j)
    {
      change_file_template(cp, wl.string[j], up, use_template);
    }

    /*
     * Add each file to the change file,
     * and write it back out.
     */
    for (j = 0; j < wl.nstrings; ++j)
    {
      fstate_src  src_data;

      src_data = change_file_new(cp, wl.string[j]);
      src_data->action = file_action_create;
      if (generated)
          src_data->usage = file_usage_build;
      else
          src_data->usage = file_usage_source;
    }

    /*
     * the number of files changed, or the version did,
     * so stomp on the validation fields.
     */
    change_build_times_clear(cp);

    /*
     * update the copyright years
     */
    change_copyright_years_now(cp);

    /*
     * run the change file command
     * and the project file command if necessary
     */
    change_run_new_file_command(cp, &wl, up);
    change_run_project_file_command(cp, up);

    /*
     * release the locks
     */
    change_cstate_write(cp);
    commit();
    lock_release();

    /*
     * verbose success message
     */
    for (j = 0; j < wl.nstrings; ++j)
    {
      sub_context_ty    *scp;

      scp = sub_context_new();
      sub_var_set_string(scp, "File_Name", wl.string[j]);
      change_verbose(cp, scp, i18n("new file $filename completed"));
      sub_context_delete(scp);
    }
    string_list_destructor(&wl);
    change_free(cp);
    project_free(pp);
    user_free(up);
    trace(("}\n"));
}


void
new_file(void)
{
    static arglex_dispatch_ty dispatch[] =
    {
      {arglex_token_help, new_file_help, },
      {arglex_token_list, new_file_list, },
    };

    trace(("new_file()\n{\n"));
    arglex_dispatch(dispatch, SIZEOF(dispatch), new_file_main);
    trace(("}\n"));
}

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