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62 lines
1.5 KiB
62 lines
1.5 KiB
#include "cache.h" |
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#include "run-command.h" |
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#include "sigchain.h" |
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#include "connected.h" |
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/* |
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* If we feed all the commits we want to verify to this command |
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* |
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* $ git rev-list --objects --stdin --not --all |
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* |
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* and if it does not error out, that means everything reachable from |
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* these commits locally exists and is connected to our existing refs. |
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* Note that this does _not_ validate the individual objects. |
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* |
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* Returns 0 if everything is connected, non-zero otherwise. |
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*/ |
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int check_everything_connected(sha1_iterate_fn fn, int quiet, void *cb_data) |
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{ |
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struct child_process rev_list; |
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const char *argv[] = {"rev-list", "--objects", |
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"--stdin", "--not", "--all", NULL, NULL}; |
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char commit[41]; |
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unsigned char sha1[20]; |
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int err = 0; |
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if (fn(cb_data, sha1)) |
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return err; |
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if (quiet) |
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argv[5] = "--quiet"; |
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memset(&rev_list, 0, sizeof(rev_list)); |
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rev_list.argv = argv; |
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rev_list.git_cmd = 1; |
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rev_list.in = -1; |
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rev_list.no_stdout = 1; |
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rev_list.no_stderr = quiet; |
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if (start_command(&rev_list)) |
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return error(_("Could not run 'git rev-list'")); |
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sigchain_push(SIGPIPE, SIG_IGN); |
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commit[40] = '\n'; |
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do { |
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memcpy(commit, sha1_to_hex(sha1), 40); |
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if (write_in_full(rev_list.in, commit, 41) < 0) { |
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if (errno != EPIPE && errno != EINVAL) |
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error(_("failed write to rev-list: %s"), |
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strerror(errno)); |
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err = -1; |
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break; |
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} |
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} while (!fn(cb_data, sha1)); |
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if (close(rev_list.in)) { |
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error(_("failed to close rev-list's stdin: %s"), strerror(errno)); |
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err = -1; |
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} |
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sigchain_pop(SIGPIPE); |
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return finish_command(&rev_list) || err; |
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}
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