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faff5b2eb1
The source files for libgit.a have been moved into a new "lib/" directory to clean up the top-level directory and clearly separate library code. * ps/libgit-in-subdir: Move libgit.a sources into separate "lib/" directory t/helper: prepare "test-example-tap.c" for introduction of "lib/"
40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
#ifndef DIFF_PROCESS_H
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#define DIFF_PROCESS_H
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#include "xdiff/xdiff.h"
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struct diff_options;
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enum diff_process_result {
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DIFF_PROCESS_ERROR = -1, /* tool failure: warned, fell back */
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DIFF_PROCESS_OK = 0, /* hunks populated in xpp */
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DIFF_PROCESS_SKIP, /* no process configured: use builtin */
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DIFF_PROCESS_EQUIVALENT, /* tool says files are equivalent */
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};
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/*
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* Consult the diff process configured for 'path' and populate
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* xpp->external_hunks with the returned hunks.
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*
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* Handles driver lookup, flag checks (--no-ext-diff,
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* --diff-algorithm), subprocess management, and error reporting.
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*
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* Returns DIFF_PROCESS_OK when hunks are populated in xpp.
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* The caller owns xpp->external_hunks and must free() it.
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*
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* Returns DIFF_PROCESS_EQUIVALENT when the tool returns no hunks
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* (files are considered identical); caller should skip diff/blame.
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* Returns DIFF_PROCESS_SKIP when no process applies; caller
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* should use the builtin diff algorithm.
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* Returns DIFF_PROCESS_ERROR on tool failure (already warned);
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* caller should fall back to the builtin diff algorithm.
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*/
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enum diff_process_result diff_process_fill_hunks(
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struct diff_options *diffopt,
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const char *path,
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const mmfile_t *file_a,
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const mmfile_t *file_b,
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xpparam_t *xpp);
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#endif /* DIFF_PROCESS_H */
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