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https://github.com/libgit2/libgit2.git
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3a4375901a
This fixes several bugs, updates tests and docs, eliminates the FILE* assumption in favor of printing callbacks for the diff patch formatter helpers, and adds a "diff" example function that can perform a diff from the command line.
85 lines
1.6 KiB
C
85 lines
1.6 KiB
C
#include "clar_libgit2.h"
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#include "diff_helpers.h"
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git_tree *resolve_commit_oid_to_tree(
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git_repository *repo,
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const char *partial_oid)
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{
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size_t len = strlen(partial_oid);
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git_oid oid;
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git_object *obj;
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git_tree *tree;
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if (git_oid_fromstrn(&oid, partial_oid, len) == 0)
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git_object_lookup_prefix(&obj, repo, &oid, len, GIT_OBJ_ANY);
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cl_assert(obj);
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if (git_object_type(obj) == GIT_OBJ_TREE)
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return (git_tree *)obj;
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cl_assert(git_object_type(obj) == GIT_OBJ_COMMIT);
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cl_git_pass(git_commit_tree(&tree, (git_commit *)obj));
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git_object_free(obj);
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return tree;
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}
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int diff_file_fn(
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void *cb_data,
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git_diff_delta *delta,
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float progress)
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{
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diff_expects *e = cb_data;
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(void)progress;
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e->files++;
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if (delta->old_attr == 0)
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e->file_adds++;
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else if (delta->new_attr == 0)
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e->file_dels++;
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else
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e->file_mods++;
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return 0;
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}
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int diff_hunk_fn(
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void *cb_data,
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git_diff_delta *delta,
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git_diff_range *range,
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const char *header,
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size_t header_len)
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{
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diff_expects *e = cb_data;
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(void)delta;
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(void)header;
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(void)header_len;
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e->hunks++;
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e->hunk_old_lines += range->old_lines;
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e->hunk_new_lines += range->new_lines;
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return 0;
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}
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int diff_line_fn(
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void *cb_data,
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git_diff_delta *delta,
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char line_origin,
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const char *content,
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size_t content_len)
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{
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diff_expects *e = cb_data;
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(void)delta;
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(void)content;
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(void)content_len;
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e->lines++;
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switch (line_origin) {
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case GIT_DIFF_LINE_CONTEXT:
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e->line_ctxt++;
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break;
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case GIT_DIFF_LINE_ADDITION:
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e->line_adds++;
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break;
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case GIT_DIFF_LINE_DELETION:
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e->line_dels++;
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break;
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default:
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break;
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}
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return 0;
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}
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