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When we call parse_commit, it will complain to stderr if the object does not exist or cannot be read. This means that we may produce useless error messages if this situation is expected (e.g., because the object is marked UNINTERESTING, or because revs->ignore_missing_links is set). We can fix this by adding a new "parse_X_gently" form that takes a flag to suppress the messages. The existing "parse_X" form is already gentle in the sense that it returns an error rather than dying, and we could in theory just add a "quiet" flag to it (with existing callers passing "0"). But doing it this way means we do not have to disturb existing callers. Note also that the new flag is "quiet_on_missing", and not just "quiet". We could add a flag to suppress _all_ errors, but besides being a more invasive change (we would have to pass the flag down to sub-functions, too), there is a good reason not to: we would never want to use it. Missing a linked object is expected in some circumstances, but it is never expected to have a malformed commit, or to get a tree when we wanted a commit. We should always complain about these corruptions. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
39 lines
1.0 KiB
C
39 lines
1.0 KiB
C
#ifndef TREE_H
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#define TREE_H
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#include "object.h"
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extern const char *tree_type;
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struct tree {
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struct object object;
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void *buffer;
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unsigned long size;
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};
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struct tree *lookup_tree(const unsigned char *sha1);
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int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size);
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int parse_tree_gently(struct tree *tree, int quiet_on_missing);
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static inline int parse_tree(struct tree *tree)
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{
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return parse_tree_gently(tree, 0);
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}
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void free_tree_buffer(struct tree *tree);
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/* Parses and returns the tree in the given ent, chasing tags and commits. */
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struct tree *parse_tree_indirect(const unsigned char *sha1);
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#define READ_TREE_RECURSIVE 1
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typedef int (*read_tree_fn_t)(const unsigned char *, const char *, int, const char *, unsigned int, int, void *);
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extern int read_tree_recursive(struct tree *tree,
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const char *base, int baselen,
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int stage, const struct pathspec *pathspec,
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read_tree_fn_t fn, void *context);
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extern int read_tree(struct tree *tree, int stage, struct pathspec *pathspec);
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#endif /* TREE_H */
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