111 lines
3.5 KiB
C
111 lines
3.5 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
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*
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* Copyright (C) 2014 James Antil <james@fedoraproject.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2 of the licence or (at
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* your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include "rpmostree-db-builtins.h"
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#include "rpmostree-rpm-util.h"
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static char *opt_format;
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static GOptionEntry option_entries[] = {
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{ "format", 'F', 0, G_OPTION_ARG_STRING, &opt_format, "Output format: \"diff\" or (default) \"block\"", "FORMAT" },
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{ NULL }
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};
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gboolean
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rpmostree_db_builtin_diff (int argc, char **argv, GCancellable *cancellable, GError **error)
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{
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GOptionContext *context;
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gs_unref_object OstreeRepo *repo = NULL;
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struct RpmRevisionData *rpmrev1 = NULL;
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struct RpmRevisionData *rpmrev2 = NULL;
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gboolean success = FALSE;
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context = g_option_context_new ("COMMIT COMMIT - Show package changes between two commits");
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if (!rpmostree_db_option_context_parse (context, option_entries, &argc, &argv, &repo,
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cancellable, error))
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goto out;
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if (argc != 3)
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{
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gs_free char *help;
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g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
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"\"%s\" takes exactly 2 arguments", g_get_prgname ());
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help = g_option_context_get_help (context, FALSE, NULL);
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g_printerr ("%s", help);
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goto out;
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}
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if (!(rpmrev1 = rpmrev_new (repo, argv[1], NULL, cancellable, error)))
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goto out;
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if (!(rpmrev2 = rpmrev_new (repo, argv[2], NULL, cancellable, error)))
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goto out;
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if (!g_str_equal (argv[1], rpmrev_get_commit (rpmrev1)))
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printf ("ostree diff commit old: %s (%s)\n", argv[1], rpmrev_get_commit (rpmrev1));
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else
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printf ("ostree diff commit old: %s\n", argv[1]);
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if (!g_str_equal (argv[2], rpmrev_get_commit (rpmrev2)))
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printf ("ostree diff commit new: %s (%s)\n", argv[2], rpmrev_get_commit (rpmrev2));
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else
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printf ("ostree diff commit new: %s\n", argv[2]);
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if (opt_format == NULL)
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opt_format = "block";
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if (g_str_equal (opt_format, "diff"))
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{
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rpmhdrs_diff_prnt_diff (rpmhdrs_diff (rpmrev_get_headers (rpmrev1),
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rpmrev_get_headers (rpmrev2)));
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}
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else if (g_str_equal (opt_format, "block"))
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{
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rpmhdrs_diff_prnt_block (rpmhdrs_diff (rpmrev_get_headers (rpmrev1),
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rpmrev_get_headers (rpmrev2)));
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}
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else
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{
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g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
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"Format argument is invalid, pick one of: diff, block");
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goto out;
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}
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success = TRUE;
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out:
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/* Free the RpmRevisionData structs explicitly *before* possibly removing
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* the database directory, since rpmhdrs_free() depends on that directory
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* being there. */
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rpmrev_free (rpmrev1);
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rpmrev_free (rpmrev2);
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g_option_context_free (context);
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return success;
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}
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