To libify the apply functionality the 'check_index' variable should not be static and global to the file. Let's move it into 'struct apply_state'. Reviewed-by: Stefan Beller <sbeller@xxxxxxxxxx> Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx> --- builtin/apply.c | 69 +++++++++++++++++++++++++++++++++------------------------ 1 file changed, 40 insertions(+), 29 deletions(-) diff --git a/builtin/apply.c b/builtin/apply.c index 6bf103a..5d8f410 100644 --- a/builtin/apply.c +++ b/builtin/apply.c @@ -30,6 +30,10 @@ struct apply_state { * files that are being modified, but doesn't apply the patch */ int check; + + /* --index updates the cache as well. */ + int check_index; + int unidiff_zero; }; @@ -37,14 +41,12 @@ struct apply_state { * --stat does just a diffstat, and doesn't actually apply * --numstat does numeric diffstat, and doesn't actually apply * --index-info shows the old and new index info for paths if available. - * --index updates the cache as well. * --cached updates only the cache without ever touching the working tree. */ static int newfd = -1; static int state_p_value = 1; static int p_value_known; -static int check_index; static int update_index; static int cached; static int diffstat; @@ -3246,13 +3248,14 @@ static int verify_index_match(const struct cache_entry *ce, struct stat *st) #define SUBMODULE_PATCH_WITHOUT_INDEX 1 -static int load_patch_target(struct strbuf *buf, +static int load_patch_target(struct apply_state *state, + struct strbuf *buf, const struct cache_entry *ce, struct stat *st, const char *name, unsigned expected_mode) { - if (cached || check_index) { + if (cached || state->check_index) { if (read_file_or_gitlink(ce, buf)) return error(_("read of %s failed"), name); } else if (name) { @@ -3278,7 +3281,8 @@ static int load_patch_target(struct strbuf *buf, * applying a non-git patch that incrementally updates the tree, * we read from the result of a previous diff. */ -static int load_preimage(struct image *image, +static int load_preimage(struct apply_state *state, + struct image *image, struct patch *patch, struct stat *st, const struct cache_entry *ce) { @@ -3296,7 +3300,7 @@ static int load_preimage(struct image *image, /* We have a patched copy in memory; use that. */ strbuf_add(&buf, previous->result, previous->resultsize); } else { - status = load_patch_target(&buf, ce, st, + status = load_patch_target(state, &buf, ce, st, patch->old_name, patch->old_mode); if (status < 0) return status; @@ -3355,7 +3359,9 @@ static int three_way_merge(struct image *image, * the current contents of the new_name. In no cases other than that * this function will be called. */ -static int load_current(struct image *image, struct patch *patch) +static int load_current(struct apply_state *state, + struct image *image, + struct patch *patch) { struct strbuf buf = STRBUF_INIT; int status, pos; @@ -3382,7 +3388,7 @@ static int load_current(struct image *image, struct patch *patch) if (verify_index_match(ce, &st)) return error(_("%s: does not match index"), name); - status = load_patch_target(&buf, ce, &st, name, mode); + status = load_patch_target(state, &buf, ce, &st, name, mode); if (status < 0) return status; else if (status) @@ -3432,11 +3438,11 @@ static int try_threeway(struct apply_state *state, /* our_sha1[] is ours */ if (patch->is_new) { - if (load_current(&tmp_image, patch)) + if (load_current(state, &tmp_image, patch)) return error("cannot read the current contents of '%s'", patch->new_name); } else { - if (load_preimage(&tmp_image, patch, st, ce)) + if (load_preimage(state, &tmp_image, patch, st, ce)) return error("cannot read the current contents of '%s'", patch->old_name); } @@ -3471,7 +3477,7 @@ static int apply_data(struct apply_state *state, struct patch *patch, { struct image image; - if (load_preimage(&image, patch, st, ce) < 0) + if (load_preimage(state, &image, patch, st, ce) < 0) return -1; if (patch->direct_to_threeway || @@ -3502,7 +3508,10 @@ static int apply_data(struct apply_state *state, struct patch *patch, * check_patch() separately makes sure (and errors out otherwise) that * the path the patch creates does not exist in the current tree. */ -static int check_preimage(struct patch *patch, struct cache_entry **ce, struct stat *st) +static int check_preimage(struct apply_state *state, + struct patch *patch, + struct cache_entry **ce, + struct stat *st) { const char *old_name = patch->old_name; struct patch *previous = NULL; @@ -3525,7 +3534,7 @@ static int check_preimage(struct patch *patch, struct cache_entry **ce, struct s return error(_("%s: %s"), old_name, strerror(errno)); } - if (check_index && !previous) { + if (state->check_index && !previous) { int pos = cache_name_pos(old_name, strlen(old_name)); if (pos < 0) { if (patch->is_new < 0) @@ -3575,11 +3584,13 @@ static int check_preimage(struct patch *patch, struct cache_entry **ce, struct s #define EXISTS_IN_INDEX 1 #define EXISTS_IN_WORKTREE 2 -static int check_to_create(const char *new_name, int ok_if_exists) +static int check_to_create(struct apply_state *state, + const char *new_name, + int ok_if_exists) { struct stat nst; - if (check_index && + if (state->check_index && cache_name_pos(new_name, strlen(new_name)) >= 0 && !ok_if_exists) return EXISTS_IN_INDEX; @@ -3655,7 +3666,7 @@ static void prepare_symlink_changes(struct patch *patch) } } -static int path_is_beyond_symlink_1(struct strbuf *name) +static int path_is_beyond_symlink_1(struct apply_state *state, struct strbuf *name) { do { unsigned int change; @@ -3676,7 +3687,7 @@ static int path_is_beyond_symlink_1(struct strbuf *name) continue; /* otherwise, check the preimage */ - if (check_index) { + if (state->check_index) { struct cache_entry *ce; ce = cache_file_exists(name->buf, name->len, ignore_case); @@ -3691,14 +3702,14 @@ static int path_is_beyond_symlink_1(struct strbuf *name) return 0; } -static int path_is_beyond_symlink(const char *name_) +static int path_is_beyond_symlink(struct apply_state *state, const char *name_) { int ret; struct strbuf name = STRBUF_INIT; assert(*name_ != '\0'); strbuf_addstr(&name, name_); - ret = path_is_beyond_symlink_1(&name); + ret = path_is_beyond_symlink_1(state, &name); strbuf_release(&name); return ret; @@ -3738,7 +3749,7 @@ static int check_patch(struct apply_state *state, struct patch *patch) patch->rejected = 1; /* we will drop this after we succeed */ - status = check_preimage(patch, &ce, &st); + status = check_preimage(state, patch, &ce, &st); if (status) return status; old_name = patch->old_name; @@ -3765,7 +3776,7 @@ static int check_patch(struct apply_state *state, struct patch *patch) if (new_name && ((0 < patch->is_new) || patch->is_rename || patch->is_copy)) { - int err = check_to_create(new_name, ok_if_exists); + int err = check_to_create(state, new_name, ok_if_exists); if (err && threeway) { patch->direct_to_threeway = 1; @@ -3820,7 +3831,7 @@ static int check_patch(struct apply_state *state, struct patch *patch) * is not deposited to a path that is beyond a symbolic link * here. */ - if (!patch->is_delete && path_is_beyond_symlink(patch->new_name)) + if (!patch->is_delete && path_is_beyond_symlink(state, patch->new_name)) return error(_("affected file '%s' is beyond a symbolic link"), patch->new_name); @@ -4432,11 +4443,11 @@ static int apply_patch(struct apply_state *state, if (whitespace_error && (ws_error_action == die_on_ws_error)) apply = 0; - update_index = check_index && apply; + update_index = state->check_index && apply; if (update_index && newfd < 0) newfd = hold_locked_index(&lock_file, 1); - if (check_index) { + if (state->check_index) { if (read_cache() < 0) die(_("unable to read index file")); } @@ -4577,7 +4588,7 @@ int cmd_apply(int argc, const char **argv, const char *prefix_) N_("instead of applying the patch, output a summary for the input")), OPT_BOOL(0, "check", &state.check, N_("instead of applying the patch, see if the patch is applicable")), - OPT_BOOL(0, "index", &check_index, + OPT_BOOL(0, "index", &state.check_index, N_("make sure the patch is applicable to the current index")), OPT_BOOL(0, "cached", &cached, N_("apply a patch without touching the working tree")), @@ -4636,20 +4647,20 @@ int cmd_apply(int argc, const char **argv, const char *prefix_) if (threeway) { if (is_not_gitdir) die(_("--3way outside a repository")); - check_index = 1; + state.check_index = 1; } if (apply_with_reject) apply = apply_verbosely = 1; if (!force_apply && (diffstat || numstat || summary || state.check || fake_ancestor)) apply = 0; - if (check_index && is_not_gitdir) + if (state.check_index && is_not_gitdir) die(_("--index outside a repository")); if (cached) { if (is_not_gitdir) die(_("--cached outside a repository")); - check_index = 1; + state.check_index = 1; } - if (check_index) + if (state.check_index) unsafe_paths = 0; for (i = 0; i < argc; i++) { -- 2.8.2.490.g3dabe57 -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html