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author | Junio C Hamano <gitster@pobox.com> | 2009-02-10 21:31:33 -0800 |
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committer | Junio C Hamano <gitster@pobox.com> | 2009-02-10 21:32:10 -0800 |
commit | 954cfb5cfd17d57b9b31b19b73efe73199407e07 (patch) | |
tree | f3baaaf7f25372b96e206b2bc3c8dd3940919433 /notes.c | |
parent | f1c8a48a2de69bfc9837c53f2c52ffbe7239dc3e (diff) | |
download | git-954cfb5cfd17d57b9b31b19b73efe73199407e07.tar.gz |
Revert "Merge branch 'js/notes'"
This reverts commit 7b75b331f6744fbf953fe8913703378ef86a2189, reversing
changes made to 5d680a67d7909c89af96eba4a2d77abed606292b.
Diffstat (limited to 'notes.c')
-rw-r--r-- | notes.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/notes.c b/notes.c deleted file mode 100644 index bd737842d9..0000000000 --- a/notes.c +++ /dev/null @@ -1,160 +0,0 @@ -#include "cache.h" -#include "commit.h" -#include "notes.h" -#include "refs.h" -#include "utf8.h" -#include "strbuf.h" -#include "tree-walk.h" - -struct entry { - unsigned char commit_sha1[20]; - unsigned char notes_sha1[20]; -}; - -struct hash_map { - struct entry *entries; - off_t count, size; -}; - -static int initialized; -static struct hash_map hash_map; - -static int hash_index(struct hash_map *map, const unsigned char *sha1) -{ - int i = ((*(unsigned int *)sha1) % map->size); - - for (;;) { - unsigned char *current = map->entries[i].commit_sha1; - - if (!hashcmp(sha1, current)) - return i; - - if (is_null_sha1(current)) - return -1 - i; - - if (++i == map->size) - i = 0; - } -} - -static void add_entry(const unsigned char *commit_sha1, - const unsigned char *notes_sha1) -{ - int index; - - if (hash_map.count + 1 > hash_map.size >> 1) { - int i, old_size = hash_map.size; - struct entry *old = hash_map.entries; - - hash_map.size = old_size ? old_size << 1 : 64; - hash_map.entries = (struct entry *) - xcalloc(sizeof(struct entry), hash_map.size); - - for (i = 0; i < old_size; i++) - if (!is_null_sha1(old[i].commit_sha1)) { - index = -1 - hash_index(&hash_map, - old[i].commit_sha1); - memcpy(hash_map.entries + index, old + i, - sizeof(struct entry)); - } - free(old); - } - - index = hash_index(&hash_map, commit_sha1); - if (index < 0) { - index = -1 - index; - hash_map.count++; - } - - hashcpy(hash_map.entries[index].commit_sha1, commit_sha1); - hashcpy(hash_map.entries[index].notes_sha1, notes_sha1); -} - -static void initialize_hash_map(const char *notes_ref_name) -{ - unsigned char sha1[20], commit_sha1[20]; - unsigned mode; - struct tree_desc desc; - struct name_entry entry; - void *buf; - - if (!notes_ref_name || read_ref(notes_ref_name, commit_sha1) || - get_tree_entry(commit_sha1, "", sha1, &mode)) - return; - - buf = fill_tree_descriptor(&desc, sha1); - if (!buf) - die("Could not read %s for notes-index", sha1_to_hex(sha1)); - - while (tree_entry(&desc, &entry)) - if (!get_sha1(entry.path, commit_sha1)) - add_entry(commit_sha1, entry.sha1); - free(buf); -} - -static unsigned char *lookup_notes(const unsigned char *commit_sha1) -{ - int index; - - if (!hash_map.size) - return NULL; - - index = hash_index(&hash_map, commit_sha1); - if (index < 0) - return NULL; - return hash_map.entries[index].notes_sha1; -} - -void get_commit_notes(const struct commit *commit, struct strbuf *sb, - const char *output_encoding) -{ - static const char *utf8 = "utf-8"; - unsigned char *sha1; - char *msg, *msg_p; - unsigned long linelen, msglen; - enum object_type type; - - if (!initialized) { - const char *env = getenv(GIT_NOTES_REF_ENVIRONMENT); - if (env) - notes_ref_name = getenv(GIT_NOTES_REF_ENVIRONMENT); - else if (!notes_ref_name) - notes_ref_name = GIT_NOTES_DEFAULT_REF; - initialize_hash_map(notes_ref_name); - initialized = 1; - } - - sha1 = lookup_notes(commit->object.sha1); - if (!sha1) - return; - - if (!(msg = read_sha1_file(sha1, &type, &msglen)) || !msglen || - type != OBJ_BLOB) - return; - - if (output_encoding && *output_encoding && - strcmp(utf8, output_encoding)) { - char *reencoded = reencode_string(msg, output_encoding, utf8); - if (reencoded) { - free(msg); - msg = reencoded; - msglen = strlen(msg); - } - } - - /* we will end the annotation by a newline anyway */ - if (msglen && msg[msglen - 1] == '\n') - msglen--; - - strbuf_addstr(sb, "\nNotes:\n"); - - for (msg_p = msg; msg_p < msg + msglen; msg_p += linelen + 1) { - linelen = strchrnul(msg_p, '\n') - msg_p; - - strbuf_addstr(sb, " "); - strbuf_add(sb, msg_p, linelen); - strbuf_addch(sb, '\n'); - } - - free(msg); -} |