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Stash entries can be made with untracked files via `git stash push --include-untracked`. However, because the untracked files are stored in the third parent of the stash entry and not the stash entry itself, running `git stash show` does not include the untracked files as part of the diff. With --include-untracked, untracked paths, which are recorded in the third-parent if it exists, are shown in addition to the paths that have modifications between the stash base and the working tree in the stash. It is possible to manually craft a malformed stash entry where duplicate untracked files in the stash entry will mask tracked files. We detect and error out in that case via a custom unpack_trees() callback: stash_worktree_untracked_merge(). Also, teach stash the --only-untracked option which only shows the untracked files of a stash entry. This is similar to `git show stash^3` but it is nice to provide a convenient abstraction for it so that users do not have to think about the underlying implementation. Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
#ifndef UNPACK_TREES_H
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#define UNPACK_TREES_H
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#include "cache.h"
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#include "strvec.h"
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#include "string-list.h"
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#include "tree-walk.h"
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#define MAX_UNPACK_TREES MAX_TRAVERSE_TREES
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struct cache_entry;
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struct unpack_trees_options;
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struct pattern_list;
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typedef int (*merge_fn_t)(const struct cache_entry * const *src,
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struct unpack_trees_options *options);
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enum unpack_trees_error_types {
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ERROR_WOULD_OVERWRITE = 0,
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ERROR_NOT_UPTODATE_FILE,
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ERROR_NOT_UPTODATE_DIR,
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ERROR_WOULD_LOSE_UNTRACKED_OVERWRITTEN,
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ERROR_WOULD_LOSE_UNTRACKED_REMOVED,
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ERROR_BIND_OVERLAP,
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ERROR_WOULD_LOSE_SUBMODULE,
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NB_UNPACK_TREES_ERROR_TYPES,
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WARNING_SPARSE_NOT_UPTODATE_FILE,
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WARNING_SPARSE_UNMERGED_FILE,
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WARNING_SPARSE_ORPHANED_NOT_OVERWRITTEN,
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NB_UNPACK_TREES_WARNING_TYPES,
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};
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/*
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* Sets the list of user-friendly error messages to be used by the
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* command "cmd" (either merge or checkout), and show_all_errors to 1.
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*/
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void setup_unpack_trees_porcelain(struct unpack_trees_options *opts,
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const char *cmd);
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/*
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* Frees resources allocated by setup_unpack_trees_porcelain().
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*/
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void clear_unpack_trees_porcelain(struct unpack_trees_options *opts);
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struct unpack_trees_options {
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unsigned int reset,
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merge,
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update,
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clone,
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index_only,
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nontrivial_merge,
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trivial_merges_only,
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verbose_update,
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aggressive,
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skip_unmerged,
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initial_checkout,
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diff_index_cached,
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debug_unpack,
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skip_sparse_checkout,
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quiet,
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exiting_early,
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show_all_errors,
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dry_run;
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const char *prefix;
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int cache_bottom;
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struct dir_struct *dir;
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struct pathspec *pathspec;
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merge_fn_t fn;
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const char *msgs[NB_UNPACK_TREES_WARNING_TYPES];
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struct strvec msgs_to_free;
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/*
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* Store error messages in an array, each case
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* corresponding to a error message type
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*/
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struct string_list unpack_rejects[NB_UNPACK_TREES_WARNING_TYPES];
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int head_idx;
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int merge_size;
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struct cache_entry *df_conflict_entry;
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void *unpack_data;
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struct index_state *dst_index;
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struct index_state *src_index;
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struct index_state result;
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struct pattern_list *pl; /* for internal use */
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struct checkout_metadata meta;
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};
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int unpack_trees(unsigned n, struct tree_desc *t,
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struct unpack_trees_options *options);
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enum update_sparsity_result {
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UPDATE_SPARSITY_SUCCESS = 0,
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UPDATE_SPARSITY_WARNINGS = 1,
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UPDATE_SPARSITY_INDEX_UPDATE_FAILURES = -1,
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UPDATE_SPARSITY_WORKTREE_UPDATE_FAILURES = -2
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};
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enum update_sparsity_result update_sparsity(struct unpack_trees_options *options);
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int verify_uptodate(const struct cache_entry *ce,
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struct unpack_trees_options *o);
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int threeway_merge(const struct cache_entry * const *stages,
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struct unpack_trees_options *o);
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int twoway_merge(const struct cache_entry * const *src,
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struct unpack_trees_options *o);
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int bind_merge(const struct cache_entry * const *src,
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struct unpack_trees_options *o);
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int oneway_merge(const struct cache_entry * const *src,
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struct unpack_trees_options *o);
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int stash_worktree_untracked_merge(const struct cache_entry * const *src,
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struct unpack_trees_options *o);
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#endif
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