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builtin/apply: convert static functions to struct object_id
There were several static functions using unsigned char arrays for SHA-1 values. Convert them to use struct object_id. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -3101,16 +3101,16 @@ static int apply_binary(struct apply_state *state,
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struct patch *patch)
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{
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const char *name = patch->old_name ? patch->old_name : patch->new_name;
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unsigned char sha1[20];
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struct object_id oid;
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/*
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* For safety, we require patch index line to contain
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* full 40-byte textual SHA1 for old and new, at least for now.
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*/
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if (strlen(patch->old_sha1_prefix) != 40 ||
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strlen(patch->new_sha1_prefix) != 40 ||
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get_sha1_hex(patch->old_sha1_prefix, sha1) ||
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get_sha1_hex(patch->new_sha1_prefix, sha1))
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if (strlen(patch->old_sha1_prefix) != GIT_SHA1_HEXSZ ||
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strlen(patch->new_sha1_prefix) != GIT_SHA1_HEXSZ ||
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get_oid_hex(patch->old_sha1_prefix, &oid) ||
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get_oid_hex(patch->new_sha1_prefix, &oid))
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return error("cannot apply binary patch to '%s' "
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"without full index line", name);
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@ -3119,12 +3119,12 @@ static int apply_binary(struct apply_state *state,
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* See if the old one matches what the patch
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* applies to.
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*/
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hash_sha1_file(img->buf, img->len, blob_type, sha1);
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if (strcmp(sha1_to_hex(sha1), patch->old_sha1_prefix))
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hash_sha1_file(img->buf, img->len, blob_type, oid.hash);
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if (strcmp(oid_to_hex(&oid), patch->old_sha1_prefix))
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return error("the patch applies to '%s' (%s), "
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"which does not match the "
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"current contents.",
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name, sha1_to_hex(sha1));
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name, oid_to_hex(&oid));
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}
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else {
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/* Otherwise, the old one must be empty. */
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@ -3133,19 +3133,19 @@ static int apply_binary(struct apply_state *state,
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"'%s' but it is not empty", name);
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}
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get_sha1_hex(patch->new_sha1_prefix, sha1);
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if (is_null_sha1(sha1)) {
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get_oid_hex(patch->new_sha1_prefix, &oid);
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if (is_null_oid(&oid)) {
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clear_image(img);
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return 0; /* deletion patch */
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}
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if (has_sha1_file(sha1)) {
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if (has_sha1_file(oid.hash)) {
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/* We already have the postimage */
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enum object_type type;
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unsigned long size;
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char *result;
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result = read_sha1_file(sha1, &type, &size);
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result = read_sha1_file(oid.hash, &type, &size);
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if (!result)
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return error("the necessary postimage %s for "
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"'%s' cannot be read",
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@ -3164,10 +3164,10 @@ static int apply_binary(struct apply_state *state,
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name);
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/* verify that the result matches */
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hash_sha1_file(img->buf, img->len, blob_type, sha1);
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if (strcmp(sha1_to_hex(sha1), patch->new_sha1_prefix))
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hash_sha1_file(img->buf, img->len, blob_type, oid.hash);
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if (strcmp(oid_to_hex(&oid), patch->new_sha1_prefix))
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return error(_("binary patch to '%s' creates incorrect result (expecting %s, got %s)"),
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name, patch->new_sha1_prefix, sha1_to_hex(sha1));
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name, patch->new_sha1_prefix, oid_to_hex(&oid));
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}
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return 0;
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@ -3197,17 +3197,17 @@ static int apply_fragments(struct apply_state *state, struct image *img, struct
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return 0;
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}
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static int read_blob_object(struct strbuf *buf, const unsigned char *sha1, unsigned mode)
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static int read_blob_object(struct strbuf *buf, const struct object_id *oid, unsigned mode)
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{
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if (S_ISGITLINK(mode)) {
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strbuf_grow(buf, 100);
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strbuf_addf(buf, "Subproject commit %s\n", sha1_to_hex(sha1));
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strbuf_addf(buf, "Subproject commit %s\n", oid_to_hex(oid));
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} else {
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enum object_type type;
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unsigned long sz;
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char *result;
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result = read_sha1_file(sha1, &type, &sz);
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result = read_sha1_file(oid->hash, &type, &sz);
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if (!result)
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return -1;
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/* XXX read_sha1_file NUL-terminates */
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@ -3220,7 +3220,7 @@ static int read_file_or_gitlink(const struct cache_entry *ce, struct strbuf *buf
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{
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if (!ce)
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return 0;
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return read_blob_object(buf, ce->oid.hash, ce->ce_mode);
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return read_blob_object(buf, &ce->oid, ce->ce_mode);
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}
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static struct patch *in_fn_table(struct apply_state *state, const char *name)
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@ -3427,17 +3427,17 @@ static int load_preimage(struct apply_state *state,
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static int three_way_merge(struct image *image,
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char *path,
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const unsigned char *base,
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const unsigned char *ours,
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const unsigned char *theirs)
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const struct object_id *base,
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const struct object_id *ours,
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const struct object_id *theirs)
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{
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mmfile_t base_file, our_file, their_file;
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mmbuffer_t result = { NULL };
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int status;
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read_mmblob(&base_file, base);
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read_mmblob(&our_file, ours);
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read_mmblob(&their_file, theirs);
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read_mmblob(&base_file, base->hash);
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read_mmblob(&our_file, ours->hash);
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read_mmblob(&their_file, theirs->hash);
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status = ll_merge(&result, path,
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&base_file, "base",
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&our_file, "ours",
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@ -3506,7 +3506,7 @@ static int try_threeway(struct apply_state *state,
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struct stat *st,
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const struct cache_entry *ce)
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{
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unsigned char pre_sha1[20], post_sha1[20], our_sha1[20];
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struct object_id pre_oid, post_oid, our_oid;
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struct strbuf buf = STRBUF_INIT;
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size_t len;
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int status;
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@ -3520,9 +3520,9 @@ static int try_threeway(struct apply_state *state,
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/* Preimage the patch was prepared for */
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if (patch->is_new)
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write_sha1_file("", 0, blob_type, pre_sha1);
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else if (get_sha1(patch->old_sha1_prefix, pre_sha1) ||
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read_blob_object(&buf, pre_sha1, patch->old_mode))
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write_sha1_file("", 0, blob_type, pre_oid.hash);
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else if (get_sha1(patch->old_sha1_prefix, pre_oid.hash) ||
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read_blob_object(&buf, &pre_oid, patch->old_mode))
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return error("repository lacks the necessary blob to fall back on 3-way merge.");
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fprintf(stderr, "Falling back to three-way merge...\n");
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@ -3535,7 +3535,7 @@ static int try_threeway(struct apply_state *state,
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return -1;
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}
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/* post_sha1[] is theirs */
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write_sha1_file(tmp_image.buf, tmp_image.len, blob_type, post_sha1);
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write_sha1_file(tmp_image.buf, tmp_image.len, blob_type, post_oid.hash);
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clear_image(&tmp_image);
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/* our_sha1[] is ours */
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@ -3548,12 +3548,12 @@ static int try_threeway(struct apply_state *state,
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return error("cannot read the current contents of '%s'",
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patch->old_name);
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}
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write_sha1_file(tmp_image.buf, tmp_image.len, blob_type, our_sha1);
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write_sha1_file(tmp_image.buf, tmp_image.len, blob_type, our_oid.hash);
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clear_image(&tmp_image);
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/* in-core three-way merge between post and our using pre as base */
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status = three_way_merge(image, patch->new_name,
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pre_sha1, our_sha1, post_sha1);
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&pre_oid, &our_oid, &post_oid);
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if (status < 0) {
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fprintf(stderr, "Failed to fall back on three-way merge...\n");
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return status;
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@ -3564,9 +3564,9 @@ static int try_threeway(struct apply_state *state,
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if (patch->is_new)
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oidclr(&patch->threeway_stage[0]);
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else
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hashcpy(patch->threeway_stage[0].hash, pre_sha1);
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hashcpy(patch->threeway_stage[1].hash, our_sha1);
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hashcpy(patch->threeway_stage[2].hash, post_sha1);
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oidcpy(&patch->threeway_stage[0], &pre_oid);
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oidcpy(&patch->threeway_stage[1], &our_oid);
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oidcpy(&patch->threeway_stage[2], &post_oid);
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fprintf(stderr, "Applied patch to '%s' with conflicts.\n", patch->new_name);
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} else {
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fprintf(stderr, "Applied patch to '%s' cleanly.\n", patch->new_name);
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@ -3949,8 +3949,8 @@ static int check_patch_list(struct apply_state *state, struct patch *patch)
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return err;
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}
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/* This function tries to read the sha1 from the current index */
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static int get_current_sha1(const char *path, unsigned char *sha1)
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/* This function tries to read the object ID from the current index */
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static int get_current_oid(const char *path, struct object_id *oid)
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{
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int pos;
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@ -3959,11 +3959,11 @@ static int get_current_sha1(const char *path, unsigned char *sha1)
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pos = cache_name_pos(path, strlen(path));
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if (pos < 0)
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return -1;
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hashcpy(sha1, active_cache[pos]->oid.hash);
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oidcpy(oid, &active_cache[pos]->oid);
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return 0;
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}
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static int preimage_sha1_in_gitlink_patch(struct patch *p, unsigned char sha1[20])
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static int preimage_oid_in_gitlink_patch(struct patch *p, struct object_id *oid)
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{
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/*
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* A usable gitlink patch has only one fragment (hunk) that looks like:
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@ -3987,14 +3987,14 @@ static int preimage_sha1_in_gitlink_patch(struct patch *p, unsigned char sha1[20
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(preimage = memchr(hunk->patch, '\n', hunk->size)) != NULL &&
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starts_with(++preimage, heading) &&
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/* does it record full SHA-1? */
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!get_sha1_hex(preimage + sizeof(heading) - 1, sha1) &&
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preimage[sizeof(heading) + 40 - 1] == '\n' &&
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!get_oid_hex(preimage + sizeof(heading) - 1, oid) &&
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preimage[sizeof(heading) + GIT_SHA1_HEXSZ - 1] == '\n' &&
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/* does the abbreviated name on the index line agree with it? */
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starts_with(preimage + sizeof(heading) - 1, p->old_sha1_prefix))
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return 0; /* it all looks fine */
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/* we may have full object name on the index line */
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return get_sha1_hex(p->old_sha1_prefix, sha1);
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return get_oid_hex(p->old_sha1_prefix, oid);
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}
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/* Build an index that contains the just the files needed for a 3way merge */
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@ -4008,7 +4008,7 @@ static void build_fake_ancestor(struct patch *list, const char *filename)
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* worth showing the new sha1 prefix, but until then...
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*/
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for (patch = list; patch; patch = patch->next) {
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unsigned char sha1[20];
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struct object_id oid;
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struct cache_entry *ce;
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const char *name;
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@ -4017,23 +4017,23 @@ static void build_fake_ancestor(struct patch *list, const char *filename)
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continue;
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if (S_ISGITLINK(patch->old_mode)) {
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if (!preimage_sha1_in_gitlink_patch(patch, sha1))
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if (!preimage_oid_in_gitlink_patch(patch, &oid))
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; /* ok, the textual part looks sane */
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else
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die("sha1 information is lacking or useless for submodule %s",
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name);
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} else if (!get_sha1_blob(patch->old_sha1_prefix, sha1)) {
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} else if (!get_sha1_blob(patch->old_sha1_prefix, oid.hash)) {
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; /* ok */
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} else if (!patch->lines_added && !patch->lines_deleted) {
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/* mode-only change: update the current */
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if (get_current_sha1(patch->old_name, sha1))
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if (get_current_oid(patch->old_name, &oid))
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die("mode change for %s, which is not "
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"in current HEAD", name);
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} else
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die("sha1 information is lacking or useless "
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"(%s).", name);
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ce = make_cache_entry(patch->old_mode, sha1, name, 0, 0);
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ce = make_cache_entry(patch->old_mode, oid.hash, name, 0, 0);
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if (!ce)
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die(_("make_cache_entry failed for path '%s'"), name);
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if (add_index_entry(&result, ce, ADD_CACHE_OK_TO_ADD))
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@ -4211,7 +4211,7 @@ static void add_index_file(struct apply_state *state,
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const char *s;
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if (!skip_prefix(buf, "Subproject commit ", &s) ||
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get_sha1_hex(s, ce->oid.hash))
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get_oid_hex(s, &ce->oid))
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die(_("corrupt patch for submodule %s"), path);
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} else {
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if (!state->cached) {
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