Merge branch 'jc/index-update-if-able'
* jc/index-update-if-able: update $GIT_INDEX_FILE when there are racily clean entries diff/status: refactor opportunistic index update
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commit
149971badc
@ -1203,13 +1203,8 @@ int cmd_status(int argc, const char **argv, const char *prefix)
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refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, s.pathspec, NULL, NULL);
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fd = hold_locked_index(&index_lock, 0);
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if (0 <= fd) {
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if (active_cache_changed &&
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!write_cache(fd, active_cache, active_nr))
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commit_locked_index(&index_lock);
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else
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rollback_lock_file(&index_lock);
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}
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if (0 <= fd)
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update_index_if_able(&the_index, &index_lock);
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s.is_initial = get_sha1(s.reference, sha1) ? 1 : 0;
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s.ignore_submodule_arg = ignore_submodule_arg;
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@ -197,12 +197,7 @@ static void refresh_index_quietly(void)
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discard_cache();
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read_cache();
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refresh_cache(REFRESH_QUIET|REFRESH_UNMERGED);
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if (active_cache_changed &&
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!write_cache(fd, active_cache, active_nr))
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commit_locked_index(lock_file);
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rollback_lock_file(lock_file);
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update_index_if_able(&the_index, lock_file);
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}
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static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv)
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1
cache.h
1
cache.h
@ -543,6 +543,7 @@ extern NORETURN void unable_to_lock_index_die(const char *path, int err);
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extern int hold_lock_file_for_update(struct lock_file *, const char *path, int);
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extern int hold_lock_file_for_append(struct lock_file *, const char *path, int);
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extern int commit_lock_file(struct lock_file *);
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extern void update_index_if_able(struct index_state *, struct lock_file *);
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extern int hold_locked_index(struct lock_file *, int);
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extern int commit_locked_index(struct lock_file *);
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25
read-cache.c
25
read-cache.c
@ -1547,6 +1547,31 @@ static int ce_write_entry(git_SHA_CTX *c, int fd, struct cache_entry *ce)
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return result;
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}
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static int has_racy_timestamp(struct index_state *istate)
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{
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int entries = istate->cache_nr;
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int i;
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for (i = 0; i < entries; i++) {
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struct cache_entry *ce = istate->cache[i];
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if (is_racy_timestamp(istate, ce))
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return 1;
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}
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return 0;
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}
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/*
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* Opportunisticly update the index but do not complain if we can't
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*/
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void update_index_if_able(struct index_state *istate, struct lock_file *lockfile)
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{
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if ((istate->cache_changed || has_racy_timestamp(istate)) &&
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!write_index(istate, lockfile->fd))
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commit_locked_index(lockfile);
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else
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rollback_lock_file(lockfile);
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}
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int write_index(struct index_state *istate, int newfd)
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{
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git_SHA_CTX c;
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