From a7e7eff66206829f7752c565198dbe6f40ef72a0 Mon Sep 17 00:00:00 2001 From: Johan Herland Date: Sat, 13 Feb 2010 22:28:10 +0100 Subject: [PATCH] Notes API: get_commit_notes() -> format_note() + remove the commit restriction There is really no reason why only commit objects can be annotated. By changing the struct commit parameter to get_commit_notes() into a sha1 we gain the ability to annotate any object type. To reflect this in the function naming as well, we rename get_commit_notes() to format_note(). This patch also fixes comments and variable names throughout notes.c as a consequence of the removal of the unnecessary 'commit' restriction. Signed-off-by: Johan Herland Signed-off-by: Junio C Hamano --- notes.c | 33 ++++++++++++++++----------------- notes.h | 11 ++++++++++- pretty.c | 8 ++++---- 3 files changed, 30 insertions(+), 22 deletions(-) diff --git a/notes.c b/notes.c index 47e38a10a..4ee4fec23 100644 --- a/notes.c +++ b/notes.c @@ -1,5 +1,4 @@ #include "cache.h" -#include "commit.h" #include "notes.h" #include "utf8.h" #include "strbuf.h" @@ -24,10 +23,10 @@ struct int_node { /* * Leaf nodes come in two variants, note entries and subtree entries, * distinguished by the LSb of the leaf node pointer (see above). - * As a note entry, the key is the SHA1 of the referenced commit, and the + * As a note entry, the key is the SHA1 of the referenced object, and the * value is the SHA1 of the note object. * As a subtree entry, the key is the prefix SHA1 (w/trailing NULs) of the - * referenced commit, using the last byte of the key to store the length of + * referenced object, using the last byte of the key to store the length of * the prefix. The value is the SHA1 of the tree object containing the notes * subtree. */ @@ -210,7 +209,7 @@ static void note_tree_insert(struct int_node *tree, unsigned char n, if (concatenate_notes(l->val_sha1, entry->val_sha1)) die("failed to concatenate note %s " - "into note %s for commit %s", + "into note %s for object %s", sha1_to_hex(entry->val_sha1), sha1_to_hex(l->val_sha1), sha1_to_hex(l->key_sha1)); @@ -298,7 +297,7 @@ static int get_sha1_hex_segment(const char *hex, unsigned int hex_len, static void load_subtree(struct leaf_node *subtree, struct int_node *node, unsigned int n) { - unsigned char commit_sha1[20]; + unsigned char object_sha1[20]; unsigned int prefix_len; void *buf; struct tree_desc desc; @@ -311,23 +310,23 @@ static void load_subtree(struct leaf_node *subtree, struct int_node *node, prefix_len = subtree->key_sha1[19]; assert(prefix_len * 2 >= n); - memcpy(commit_sha1, subtree->key_sha1, prefix_len); + memcpy(object_sha1, subtree->key_sha1, prefix_len); while (tree_entry(&desc, &entry)) { int len = get_sha1_hex_segment(entry.path, strlen(entry.path), - commit_sha1 + prefix_len, 20 - prefix_len); + object_sha1 + prefix_len, 20 - prefix_len); if (len < 0) continue; /* entry.path is not a SHA1 sum. Skip */ len += prefix_len; /* - * If commit SHA1 is complete (len == 20), assume note object - * If commit SHA1 is incomplete (len < 20), assume note subtree + * If object SHA1 is complete (len == 20), assume note object + * If object SHA1 is incomplete (len < 20), assume note subtree */ if (len <= 20) { unsigned char type = PTR_TYPE_NOTE; struct leaf_node *l = (struct leaf_node *) xcalloc(sizeof(struct leaf_node), 1); - hashcpy(l->key_sha1, commit_sha1); + hashcpy(l->key_sha1, object_sha1); hashcpy(l->val_sha1, entry.sha1); if (len < 20) { if (!S_ISDIR(entry.mode)) @@ -343,12 +342,12 @@ static void load_subtree(struct leaf_node *subtree, struct int_node *node, static void initialize_notes(const char *notes_ref_name) { - unsigned char sha1[20], commit_sha1[20]; + unsigned char sha1[20], object_sha1[20]; unsigned mode; struct leaf_node root_tree; - if (!notes_ref_name || read_ref(notes_ref_name, commit_sha1) || - get_tree_entry(commit_sha1, "", sha1, &mode)) + if (!notes_ref_name || read_ref(notes_ref_name, object_sha1) || + get_tree_entry(object_sha1, "", sha1, &mode)) return; hashclr(root_tree.key_sha1); @@ -356,9 +355,9 @@ static void initialize_notes(const char *notes_ref_name) load_subtree(&root_tree, &root_node, 0); } -static unsigned char *lookup_notes(const unsigned char *commit_sha1) +static unsigned char *lookup_notes(const unsigned char *object_sha1) { - struct leaf_node *found = note_tree_find(&root_node, 0, commit_sha1); + struct leaf_node *found = note_tree_find(&root_node, 0, object_sha1); if (found) return found->val_sha1; return NULL; @@ -371,7 +370,7 @@ void free_notes(void) initialized = 0; } -void get_commit_notes(const struct commit *commit, struct strbuf *sb, +void format_note(const unsigned char *object_sha1, struct strbuf *sb, const char *output_encoding, int flags) { static const char utf8[] = "utf-8"; @@ -390,7 +389,7 @@ void get_commit_notes(const struct commit *commit, struct strbuf *sb, initialized = 1; } - sha1 = lookup_notes(commit->object.sha1); + sha1 = lookup_notes(object_sha1); if (!sha1) return; diff --git a/notes.h b/notes.h index a1421e351..d745ed12d 100644 --- a/notes.h +++ b/notes.h @@ -4,10 +4,19 @@ /* Free (and de-initialize) the internal notes tree structure */ void free_notes(void); +/* Flags controlling how notes are formatted */ #define NOTES_SHOW_HEADER 1 #define NOTES_INDENT 2 -void get_commit_notes(const struct commit *commit, struct strbuf *sb, +/* + * Fill the given strbuf with the notes associated with the given object. + * + * If the internal notes structure is not initialized, it will be auto- + * initialized to the default value (see documentation for init_notes() above). + * + * 'flags' is a bitwise combination of the above formatting flags. + */ +void format_note(const unsigned char *object_sha1, struct strbuf *sb, const char *output_encoding, int flags); #endif diff --git a/pretty.c b/pretty.c index d493cade2..076b918b5 100644 --- a/pretty.c +++ b/pretty.c @@ -775,8 +775,8 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder, } return 0; /* unknown %g placeholder */ case 'N': - get_commit_notes(commit, sb, git_log_output_encoding ? - git_log_output_encoding : git_commit_encoding, 0); + format_note(commit->object.sha1, sb, git_log_output_encoding ? + git_log_output_encoding : git_commit_encoding, 0); return 1; } @@ -1095,8 +1095,8 @@ void pretty_print_commit(enum cmit_fmt fmt, const struct commit *commit, strbuf_addch(sb, '\n'); if (context->show_notes) - get_commit_notes(commit, sb, encoding, - NOTES_SHOW_HEADER | NOTES_INDENT); + format_note(commit->object.sha1, sb, encoding, + NOTES_SHOW_HEADER | NOTES_INDENT); free(reencoded); } -- 2.30.2