diff options
| -rw-r--r-- | builtin/apply.c | 50 |
1 files changed, 31 insertions, 19 deletions
diff --git a/builtin/apply.c b/builtin/apply.c index 769383cd5d..796d990910 100644 --- a/builtin/apply.c +++ b/builtin/apply.c @@ -30,6 +30,7 @@ struct apply_state { int check_index; /* preimage must match the indexed version */ /* These boolean parameters control how the apply is done */ + int apply_in_reverse; int unidiff_zero; }; @@ -49,7 +50,6 @@ static int diffstat; static int numstat; static int summary; static int apply = 1; -static int apply_in_reverse; static int apply_with_reject; static int apply_verbosely; static int allow_overlap; @@ -1556,8 +1556,11 @@ static void check_whitespace(const char *line, int len, unsigned ws_rule) * between a "---" that is part of a patch, and a "---" that starts * the next patch is to look at the line counts.. */ -static int parse_fragment(const char *line, unsigned long size, - struct patch *patch, struct fragment *fragment) +static int parse_fragment(struct apply_state *state, + const char *line, + unsigned long size, + struct patch *patch, + struct fragment *fragment) { int added, deleted; int len = linelen(line, size), offset; @@ -1597,12 +1600,12 @@ static int parse_fragment(const char *line, unsigned long size, if (!deleted && !added) leading++; trailing++; - if (!apply_in_reverse && + if (!state->apply_in_reverse && ws_error_action == correct_ws_error) check_whitespace(line, len, patch->ws_rule); break; case '-': - if (apply_in_reverse && + if (state->apply_in_reverse && ws_error_action != nowarn_ws_error) check_whitespace(line, len, patch->ws_rule); deleted++; @@ -1610,7 +1613,7 @@ static int parse_fragment(const char *line, unsigned long size, trailing = 0; break; case '+': - if (!apply_in_reverse && + if (!state->apply_in_reverse && ws_error_action != nowarn_ws_error) check_whitespace(line, len, patch->ws_rule); added++; @@ -1666,7 +1669,10 @@ static int parse_fragment(const char *line, unsigned long size, * The (fragment->patch, fragment->size) pair points into the memory given * by the caller, not a copy, when we return. */ -static int parse_single_patch(const char *line, unsigned long size, struct patch *patch) +static int parse_single_patch(struct apply_state *state, + const char *line, + unsigned long size, + struct patch *patch) { unsigned long offset = 0; unsigned long oldlines = 0, newlines = 0, context = 0; @@ -1678,7 +1684,7 @@ static int parse_single_patch(const char *line, unsigned long size, struct patch fragment = xcalloc(1, sizeof(*fragment)); fragment->linenr = state_linenr; - len = parse_fragment(line, size, patch, fragment); + len = parse_fragment(state, line, size, patch, fragment); if (len <= 0) die(_("corrupt patch at line %d"), state_linenr); fragment->patch = line; @@ -2008,8 +2014,10 @@ static int parse_chunk(struct apply_state *state, char *buffer, unsigned long si ? patch->new_name : patch->old_name); - patchsize = parse_single_patch(buffer + offset + hdrsize, - size - offset - hdrsize, patch); + patchsize = parse_single_patch(state, + buffer + offset + hdrsize, + size - offset - hdrsize, + patch); if (!patchsize) { static const char git_binary[] = "GIT binary patch\n"; @@ -2741,7 +2749,7 @@ static int apply_one_fragment(struct apply_state *state, if (len < size && patch[len] == '\\') plen--; first = *patch; - if (apply_in_reverse) { + if (state->apply_in_reverse) { if (first == '-') first = '+'; else if (first == '+') @@ -2914,7 +2922,7 @@ static int apply_one_fragment(struct apply_state *state, if (apply_verbosely && applied_pos != pos) { int offset = applied_pos - pos; - if (apply_in_reverse) + if (state->apply_in_reverse) offset = 0 - offset; fprintf_ln(stderr, Q_("Hunk #%d succeeded at %d (offset %d line).", @@ -2948,7 +2956,9 @@ out: return (applied_pos < 0); } -static int apply_binary_fragment(struct image *img, struct patch *patch) +static int apply_binary_fragment(struct apply_state *state, + struct image *img, + struct patch *patch) { struct fragment *fragment = patch->fragments; unsigned long len; @@ -2961,7 +2971,7 @@ static int apply_binary_fragment(struct image *img, struct patch *patch) patch->old_name); /* Binary patch is irreversible without the optional second hunk */ - if (apply_in_reverse) { + if (state->apply_in_reverse) { if (!fragment->next) return error("cannot reverse-apply a binary patch " "without the reverse hunk to '%s'", @@ -2994,7 +3004,9 @@ static int apply_binary_fragment(struct image *img, struct patch *patch) * but the preimage prepared by the caller in "img" is freed here * or in the helper function apply_binary_fragment() this calls. */ -static int apply_binary(struct image *img, struct patch *patch) +static int apply_binary(struct apply_state *state, + struct image *img, + struct patch *patch) { const char *name = patch->old_name ? patch->old_name : patch->new_name; unsigned char sha1[20]; @@ -3055,7 +3067,7 @@ static int apply_binary(struct image *img, struct patch *patch) * apply the patch data to it, which is stored * in the patch->fragments->{patch,size}. */ - if (apply_binary_fragment(img, patch)) + if (apply_binary_fragment(state, img, patch)) return error(_("binary patch does not apply to '%s'"), name); @@ -3078,7 +3090,7 @@ static int apply_fragments(struct apply_state *state, struct image *img, struct int nth = 0; if (patch->is_binary) - return apply_binary(img, patch); + return apply_binary(state, img, patch); while (frag) { nth++; @@ -4417,7 +4429,7 @@ static int apply_patch(struct apply_state *state, free_patch(patch); break; } - if (apply_in_reverse) + if (state->apply_in_reverse) reverse_patches(patch); if (use_patch(state, patch)) { patch_stats(patch); @@ -4615,7 +4627,7 @@ int cmd_apply(int argc, const char **argv, const char *prefix) { OPTION_CALLBACK, 0, "ignore-whitespace", NULL, NULL, N_("ignore changes in whitespace when finding context"), PARSE_OPT_NOARG, option_parse_space_change }, - OPT_BOOL('R', "reverse", &apply_in_reverse, + OPT_BOOL('R', "reverse", &state.apply_in_reverse, N_("apply the patch in reverse")), OPT_BOOL(0, "unidiff-zero", &state.unidiff_zero, N_("don't expect at least one line of context")), |