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c50424a6f0
Many codepaths did not diagnose write failures correctly when disks go full, due to their misuse of write_in_full() helper function, which have been corrected. * jk/write-in-full-fix: read_pack_header: handle signed/unsigned comparison in read result config: flip return value of store_write_*() notes-merge: use ssize_t for write_in_full() return value pkt-line: check write_in_full() errors against "< 0" convert less-trivial versions of "write_in_full() != len" avoid "write_in_full(fd, buf, len) != len" pattern get-tar-commit-id: check write_in_full() return against 0 config: avoid "write_in_full(fd, buf, len) < len" pattern
37 lines
842 B
C
37 lines
842 B
C
#include "builtin.h"
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#include "config.h"
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static char *create_temp_file(struct object_id *oid)
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{
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static char path[50];
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void *buf;
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enum object_type type;
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unsigned long size;
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int fd;
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buf = read_sha1_file(oid->hash, &type, &size);
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if (!buf || type != OBJ_BLOB)
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die("unable to read blob object %s", oid_to_hex(oid));
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xsnprintf(path, sizeof(path), ".merge_file_XXXXXX");
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fd = xmkstemp(path);
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if (write_in_full(fd, buf, size) < 0)
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die_errno("unable to write temp-file");
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close(fd);
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return path;
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}
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int cmd_unpack_file(int argc, const char **argv, const char *prefix)
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{
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struct object_id oid;
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if (argc != 2 || !strcmp(argv[1], "-h"))
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usage("git unpack-file <sha1>");
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if (get_oid(argv[1], &oid))
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die("Not a valid object name %s", argv[1]);
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git_config(git_default_config, NULL);
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puts(create_temp_file(&oid));
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return 0;
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}
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