rev-list: add --indexed-objects option
There is currently no easy way to ask the revision traversal machinery to include objects reachable from the index (e.g., blobs and trees that have not yet been committed). This patch adds an option to do so. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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41d018d146
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4fe10219bc
@ -172,6 +172,11 @@ explicitly.
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Pretend as if all objects mentioned by reflogs are listed on the
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command line as `<commit>`.
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--indexed-objects::
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Pretend as if all trees and blobs used by the index are listed
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on the command line. Note that you probably want to use
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`--objects`, too.
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--ignore-missing::
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Upon seeing an invalid object name in the input, pretend as if
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the bad input was not given.
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51
revision.c
51
revision.c
@ -17,6 +17,7 @@
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#include "mailmap.h"
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#include "commit-slab.h"
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#include "dir.h"
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#include "cache-tree.h"
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volatile show_early_output_fn_t show_early_output;
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@ -1303,6 +1304,53 @@ void add_reflogs_to_pending(struct rev_info *revs, unsigned flags)
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for_each_reflog(handle_one_reflog, &cb);
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}
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static void add_cache_tree(struct cache_tree *it, struct rev_info *revs,
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struct strbuf *path)
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{
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size_t baselen = path->len;
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int i;
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if (it->entry_count >= 0) {
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struct tree *tree = lookup_tree(it->sha1);
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add_pending_object_with_path(revs, &tree->object, "",
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040000, path->buf);
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}
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for (i = 0; i < it->subtree_nr; i++) {
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struct cache_tree_sub *sub = it->down[i];
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strbuf_addf(path, "%s%s", baselen ? "/" : "", sub->name);
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add_cache_tree(sub->cache_tree, revs, path);
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strbuf_setlen(path, baselen);
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}
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}
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void add_index_objects_to_pending(struct rev_info *revs, unsigned flags)
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{
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int i;
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read_cache();
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for (i = 0; i < active_nr; i++) {
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struct cache_entry *ce = active_cache[i];
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struct blob *blob;
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if (S_ISGITLINK(ce->ce_mode))
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continue;
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blob = lookup_blob(ce->sha1);
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if (!blob)
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die("unable to add index blob to traversal");
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add_pending_object_with_path(revs, &blob->object, "",
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ce->ce_mode, ce->name);
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}
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if (active_cache_tree) {
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struct strbuf path = STRBUF_INIT;
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add_cache_tree(active_cache_tree, revs, &path);
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strbuf_release(&path);
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}
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}
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static int add_parents_only(struct rev_info *revs, const char *arg_, int flags)
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{
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unsigned char sha1[20];
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@ -1653,6 +1701,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
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!strcmp(arg, "--reflog") || !strcmp(arg, "--not") ||
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!strcmp(arg, "--no-walk") || !strcmp(arg, "--do-walk") ||
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!strcmp(arg, "--bisect") || starts_with(arg, "--glob=") ||
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!strcmp(arg, "--indexed-objects") ||
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starts_with(arg, "--exclude=") ||
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starts_with(arg, "--branches=") || starts_with(arg, "--tags=") ||
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starts_with(arg, "--remotes=") || starts_with(arg, "--no-walk="))
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@ -2082,6 +2131,8 @@ static int handle_revision_pseudo_opt(const char *submodule,
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clear_ref_exclusion(&revs->ref_excludes);
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} else if (!strcmp(arg, "--reflog")) {
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add_reflogs_to_pending(revs, *flags);
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} else if (!strcmp(arg, "--indexed-objects")) {
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add_index_objects_to_pending(revs, *flags);
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} else if (!strcmp(arg, "--not")) {
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*flags ^= UNINTERESTING | BOTTOM;
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} else if (!strcmp(arg, "--no-walk")) {
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@ -277,6 +277,7 @@ extern void add_pending_sha1(struct rev_info *revs,
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extern void add_head_to_pending(struct rev_info *);
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extern void add_reflogs_to_pending(struct rev_info *, unsigned int flags);
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extern void add_index_objects_to_pending(struct rev_info *, unsigned int flags);
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enum commit_action {
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commit_ignore,
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@ -73,4 +73,27 @@ test_expect_success 'symleft flag bit is propagated down from tag' '
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test_cmp expect actual
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'
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test_expect_success 'rev-list can show index objects' '
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# Of the blobs and trees in the index, note:
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#
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# - we do not show two/three, because it is the
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# same blob as "one", and we show objects only once
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#
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# - we do show the tree "two", because it has a valid cache tree
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# from the last commit
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#
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# - we do not show the root tree; since we updated the index, it
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# does not have a valid cache tree
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#
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cat >expect <<-\EOF
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8e4020bb5a8d8c873b25de15933e75cc0fc275df one
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d9d3a7417b9605cfd88ee6306b28dadc29e6ab08 only-in-index
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9200b628cf9dc883a85a7abc8d6e6730baee589c two
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EOF
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echo only-in-index >only-in-index &&
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git add only-in-index &&
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git rev-list --objects --indexed-objects >actual &&
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test_cmp expect actual
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'
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test_done
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