Andrew's git - gitweb.git/blob

   1#include "cache.h"
   2#include "lockfile.h"
   3#include "apply.h"
   4
   5static void git_apply_config(void)
   6{
   7        git_config_get_string_const("apply.whitespace", &apply_default_whitespace);
   8        git_config_get_string_const("apply.ignorewhitespace", &apply_default_ignorewhitespace);
   9        git_config(git_default_config, NULL);
  10}
  11
  12int parse_whitespace_option(struct apply_state *state, const char *option)
  13{
  14        if (!option) {
  15                state->ws_error_action = warn_on_ws_error;
  16                return 0;
  17        }
  18        if (!strcmp(option, "warn")) {
  19                state->ws_error_action = warn_on_ws_error;
  20                return 0;
  21        }
  22        if (!strcmp(option, "nowarn")) {
  23                state->ws_error_action = nowarn_ws_error;
  24                return 0;
  25        }
  26        if (!strcmp(option, "error")) {
  27                state->ws_error_action = die_on_ws_error;
  28                return 0;
  29        }
  30        if (!strcmp(option, "error-all")) {
  31                state->ws_error_action = die_on_ws_error;
  32                state->squelch_whitespace_errors = 0;
  33                return 0;
  34        }
  35        if (!strcmp(option, "strip") || !strcmp(option, "fix")) {
  36                state->ws_error_action = correct_ws_error;
  37                return 0;
  38        }
  39        return error(_("unrecognized whitespace option '%s'"), option);
  40}
  41
  42int parse_ignorewhitespace_option(struct apply_state *state,
  43                                  const char *option)
  44{
  45        if (!option || !strcmp(option, "no") ||
  46            !strcmp(option, "false") || !strcmp(option, "never") ||
  47            !strcmp(option, "none")) {
  48                state->ws_ignore_action = ignore_ws_none;
  49                return 0;
  50        }
  51        if (!strcmp(option, "change")) {
  52                state->ws_ignore_action = ignore_ws_change;
  53                return 0;
  54        }
  55        return error(_("unrecognized whitespace ignore option '%s'"), option);
  56}
  57
  58int init_apply_state(struct apply_state *state,
  59                     const char *prefix,
  60                     struct lock_file *lock_file)
  61{
  62        memset(state, 0, sizeof(*state));
  63        state->prefix = prefix;
  64        state->prefix_length = state->prefix ? strlen(state->prefix) : 0;
  65        state->lock_file = lock_file;
  66        state->newfd = -1;
  67        state->apply = 1;
  68        state->line_termination = '\n';
  69        state->p_value = 1;
  70        state->p_context = UINT_MAX;
  71        state->squelch_whitespace_errors = 5;
  72        state->ws_error_action = warn_on_ws_error;
  73        state->ws_ignore_action = ignore_ws_none;
  74        state->linenr = 1;
  75        string_list_init(&state->fn_table, 0);
  76        string_list_init(&state->limit_by_name, 0);
  77        string_list_init(&state->symlink_changes, 0);
  78        strbuf_init(&state->root, 0);
  79
  80        git_apply_config();
  81        if (apply_default_whitespace && parse_whitespace_option(state, apply_default_whitespace))
  82                return -1;
  83        if (apply_default_ignorewhitespace && parse_ignorewhitespace_option(state, apply_default_ignorewhitespace))
  84                return -1;
  85        return 0;
  86}
  87
  88void clear_apply_state(struct apply_state *state)
  89{
  90        string_list_clear(&state->limit_by_name, 0);
  91        string_list_clear(&state->symlink_changes, 0);
  92        strbuf_release(&state->root);
  93
  94        /* &state->fn_table is cleared at the end of apply_patch() */
  95}
  96
  97int check_apply_state(struct apply_state *state, int force_apply)
  98{
  99        int is_not_gitdir = !startup_info->have_repository;
 100
 101        if (state->apply_with_reject && state->threeway)
 102                return error("--reject and --3way cannot be used together.");
 103        if (state->cached && state->threeway)
 104                return error("--cached and --3way cannot be used together.");
 105        if (state->threeway) {
 106                if (is_not_gitdir)
 107                        return error(_("--3way outside a repository"));
 108                state->check_index = 1;
 109        }
 110        if (state->apply_with_reject)
 111                state->apply = state->apply_verbosely = 1;
 112        if (!force_apply && (state->diffstat || state->numstat || state->summary || state->check || state->fake_ancestor))
 113                state->apply = 0;
 114        if (state->check_index && is_not_gitdir)
 115                return error(_("--index outside a repository"));
 116        if (state->cached) {
 117                if (is_not_gitdir)
 118                        return error(_("--cached outside a repository"));
 119                state->check_index = 1;
 120        }
 121        if (state->check_index)
 122                state->unsafe_paths = 0;
 123        if (!state->lock_file)
 124                return error("BUG: state->lock_file should not be NULL");
 125
 126        return 0;
 127}