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https://github.com/git/git
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008d896df5
Paths marked with this attribute are not output to git-archive output. Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx> Signed-off-by: Junio C Hamano <gitster@pobox.com>
97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
#include "cache.h"
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#include "commit.h"
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#include "attr.h"
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static void format_subst(const struct commit *commit,
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const char *src, size_t len,
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struct strbuf *buf)
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{
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char *to_free = NULL;
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struct strbuf fmt;
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if (src == buf->buf)
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to_free = strbuf_detach(buf, NULL);
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strbuf_init(&fmt, 0);
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for (;;) {
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const char *b, *c;
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b = memmem(src, len, "$Format:", 8);
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if (!b)
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break;
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c = memchr(b + 8, '$', (src + len) - b - 8);
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if (!c)
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break;
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strbuf_reset(&fmt);
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strbuf_add(&fmt, b + 8, c - b - 8);
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strbuf_add(buf, src, b - src);
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format_commit_message(commit, fmt.buf, buf);
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len -= c + 1 - src;
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src = c + 1;
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}
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strbuf_add(buf, src, len);
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strbuf_release(&fmt);
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free(to_free);
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}
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static int convert_to_archive(const char *path,
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const void *src, size_t len,
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struct strbuf *buf,
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const struct commit *commit)
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{
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static struct git_attr *attr_export_subst;
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struct git_attr_check check[1];
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if (!commit)
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return 0;
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if (!attr_export_subst)
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attr_export_subst = git_attr("export-subst", 12);
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check[0].attr = attr_export_subst;
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if (git_checkattr(path, ARRAY_SIZE(check), check))
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return 0;
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if (!ATTR_TRUE(check[0].value))
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return 0;
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format_subst(commit, src, len, buf);
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return 1;
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}
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void *sha1_file_to_archive(const char *path, const unsigned char *sha1,
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unsigned int mode, enum object_type *type,
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unsigned long *sizep,
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const struct commit *commit)
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{
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void *buffer;
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buffer = read_sha1_file(sha1, type, sizep);
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if (buffer && S_ISREG(mode)) {
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struct strbuf buf;
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size_t size = 0;
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strbuf_init(&buf, 0);
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strbuf_attach(&buf, buffer, *sizep, *sizep + 1);
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convert_to_working_tree(path, buf.buf, buf.len, &buf);
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convert_to_archive(path, buf.buf, buf.len, &buf, commit);
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buffer = strbuf_detach(&buf, &size);
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*sizep = size;
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}
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return buffer;
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}
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int is_archive_path_ignored(const char *path)
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{
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static struct git_attr *attr_export_ignore;
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struct git_attr_check check[1];
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if (!attr_export_ignore)
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attr_export_ignore = git_attr("export-ignore", 13);
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check[0].attr = attr_export_ignore;
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if (git_checkattr(path, ARRAY_SIZE(check), check))
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return 0;
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return ATTR_TRUE(check[0].value);
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}
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