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Merge branch 'dt/cat-file-follow-symlinks'

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"git cat-file --batch(-check)" learned the "--follow-symlinks"
option that follows an in-tree symbolic link when asked about an
object via extended SHA-1 syntax, e.g. HEAD:RelNotes that points at
Documentation/RelNotes/2.5.0.txt.  With the new option, the command
behaves as if HEAD:Documentation/RelNotes/2.5.0.txt was given as
input instead.

* dt/cat-file-follow-symlinks:
  cat-file: add --follow-symlinks to --batch
  sha1_name: get_sha1_with_context learns to follow symlinks
  tree-walk: learn get_tree_entry_follow_symlinks
This commit is contained in:
Junio C Hamano
2015-06-01 12:45:16 -07:00
parent 4ba5bb5531 122d53464b
commit 67f0b6f3b2
7 changed files with 601 additions and 19 deletions
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20
cache.h
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@ -971,15 +971,21 @@ struct object_context {
unsigned char tree[20];
char path[PATH_MAX];
unsigned mode;
/*
* symlink_path is only used by get_tree_entry_follow_symlinks,
* and only for symlinks that point outside the repository.
*/
struct strbuf symlink_path;
};
#define GET_SHA1_QUIETLY 01
#define GET_SHA1_COMMIT 02
#define GET_SHA1_COMMITTISH 04
#define GET_SHA1_TREE 010
#define GET_SHA1_TREEISH 020
#define GET_SHA1_BLOB 040
#define GET_SHA1_ONLY_TO_DIE 04000
#define GET_SHA1_QUIETLY 01
#define GET_SHA1_COMMIT 02
#define GET_SHA1_COMMITTISH 04
#define GET_SHA1_TREE 010
#define GET_SHA1_TREEISH 020
#define GET_SHA1_BLOB 040
#define GET_SHA1_FOLLOW_SYMLINKS 0100
#define GET_SHA1_ONLY_TO_DIE 04000
extern int get_sha1(const char *str, unsigned char *sha1);
extern int get_sha1_commit(const char *str, unsigned char *sha1);