Schmidt Peter
939232e72e
Added: Project Overview TUI Build Cache / Dirty Detection Post-Build Hooks gbuild status
36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
#ifndef CACHE_H
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#define CACHE_H
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/*
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* Build cache — per-project dirty detection.
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*
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* A small dotfile (.gbuild_cache) is kept inside each cloned repo dir.
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* It stores the git HEAD hash that was current at the last *successful*
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* build. On the next run gbuild compares the live HEAD to the cached
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* one; if they match the build is skipped unless --force was passed.
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*
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* Format of .gbuild_cache (plain text, one line):
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* <40-char sha1>\n
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*/
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#include <stddef.h>
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/* Maximum length of a stored hash (SHA-1 hex + NUL). */
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#define CACHE_HASH_LEN 64
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/*
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* Read the cached hash for the repo at repo_path into out (>= CACHE_HASH_LEN
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* bytes). Returns 0 on success, -1 if the file does not exist or is
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* unreadable (out is set to an empty string in that case).
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*/
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int cache_read(const char *repo_path, char *out, size_t n);
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/*
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* Write hash as the new cached HEAD for the repo at repo_path.
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* Creates or overwrites .gbuild_cache inside repo_path.
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* Returns 0 on success, -1 on error.
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*/
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int cache_write(const char *repo_path, const char *hash);
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#endif /* CACHE_H */
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