+++ /dev/null
-git-export(1)
-=============
-v0.1, May 2005
-
-NAME
-----
-git-export - Exports each commit and a diff against each of its parents
-
-
-SYNOPSIS
---------
-'git-export' top [base]
-
-DESCRIPTION
------------
-Exports each commit and diff against each of its parents, between
-top and base. If base is not specified it exports everything.
-
-
-Author
-------
-Written by Linus Torvalds <torvalds@osdl.org>
-
-Documentation
---------------
-Documentation by David Greaves, Junio C Hamano and the git-list <git@vger.kernel.org>.
-
-GIT
----
-Part of the gitlink:git[7] suite
-
git-checkout-index git-clone-pack git-commit-tree \
git-convert-objects git-diff-files \
git-diff-helper git-diff-index git-diff-stages \
- git-diff-tree git-export git-fetch-pack git-fsck-objects \
+ git-diff-tree git-fetch-pack git-fsck-objects \
git-hash-object git-init-db \
git-local-fetch git-ls-files git-ls-tree git-merge-base \
git-merge-index git-mktag git-pack-objects git-patch-id \
+++ /dev/null
-#include "cache.h"
-#include "commit.h"
-
-/*
- * Show one commit
- */
-static void show_commit(struct commit *commit)
-{
- char cmdline[400];
- char hex[100];
-
- strcpy(hex, sha1_to_hex(commit->object.sha1));
- printf("Id: %s\n", hex);
- fflush(NULL);
- sprintf(cmdline, "git-cat-file commit %s", hex);
- system(cmdline);
- if (commit->parents) {
- char *against = sha1_to_hex(commit->parents->item->object.sha1);
- printf("\n\n======== diff against %s ========\n", against);
- fflush(NULL);
- sprintf(cmdline, "git-diff-tree -p %s %s", against, hex);
- system(cmdline);
- }
- printf("======== end ========\n\n");
-}
-
-/*
- * Show all unseen commits, depth-first
- */
-static void show_unseen(struct commit *top)
-{
- struct commit_list *parents;
-
- if (top->object.flags & 2)
- return;
- top->object.flags |= 2;
- parents = top->parents;
- while (parents) {
- show_unseen(parents->item);
- parents = parents->next;
- }
- show_commit(top);
-}
-
-static void export(struct commit *top, struct commit *base)
-{
- mark_reachable(&top->object, 1);
- if (base)
- mark_reachable(&base->object, 2);
- show_unseen(top);
-}
-
-static struct commit *get_commit(unsigned char *sha1)
-{
- struct commit *commit = lookup_commit(sha1);
- if (!commit->object.parsed) {
- struct commit_list *parents;
-
- if (parse_commit(commit) < 0)
- die("unable to parse commit %s", sha1_to_hex(sha1));
- parents = commit->parents;
- while (parents) {
- get_commit(parents->item->object.sha1);
- parents = parents->next;
- }
- }
- return commit;
-}
-
-int main(int argc, char **argv)
-{
- unsigned char base_sha1[20];
- unsigned char top_sha1[20];
-
- if (argc < 2 || argc > 4 ||
- get_sha1(argv[1], top_sha1) ||
- (argc == 3 && get_sha1(argv[2], base_sha1)))
- usage("git-export top [base]");
- export(get_commit(top_sha1), argc==3 ? get_commit(base_sha1) : NULL);
- return 0;
-}