Merge branch 'mg/rev-list-one-side-only'
authorJunio C Hamano <gitster@pobox.com>
Wed, 23 Mar 2011 04:38:50 +0000 (21:38 -0700)
committerJunio C Hamano <gitster@pobox.com>
Wed, 23 Mar 2011 04:38:50 +0000 (21:38 -0700)
* mg/rev-list-one-side-only:
git-log: put space after commit mark
t6007: test rev-list --cherry
log --cherry: a synonym
rev-list: documentation and test for --cherry-mark
revision.c: introduce --cherry-mark
rev-list/log: factor out revision mark generation
rev-list: --left/right-only are mutually exclusive
rev-list: documentation and test for --left/right-only
t6007: Make sure we test --cherry-pick
revlist.c: introduce --left/right-only for unsymmetric picking

Documentation/git-rev-list.txt
Documentation/rev-list-options.txt
builtin/rev-list.c
git-svn.perl
graph.c
log-tree.c
pretty.c
revision.c
revision.h
t/t6007-rev-list-cherry-pick-file.sh
index 5ce4d7fd0b2fbab894e67fa266afae2d13c78284..b08dfbc3c455a19b3257e7e921c2a1a7436ddf3e 100644 (file)
@@ -31,6 +31,9 @@ SYNOPSIS
             [ \--parents ]
             [ \--timestamp ]
             [ \--left-right ]
+            [ \--left-only ]
+            [ \--right-only ]
+            [ \--cherry-mark ]
             [ \--cherry-pick ]
             [ \--encoding[=<encoding>] ]
             [ \--(author|committer|grep)=<pattern> ]
index 09860de9c2ff18115806c3cdf50ebd6163b3560e..5c6850f0486dbea0c515e2323bc6455d89897628 100644 (file)
@@ -151,6 +151,11 @@ ifdef::git-rev-list[]
        to /dev/null as the output does not have to be formatted.
 endif::git-rev-list[]
 
+--cherry-mark::
+
+       Like `--cherry-pick` (see below) but mark equivalent commits
+       with `=` rather than omitting them, and inequivalent ones with `+`.
+
 --cherry-pick::
 
        Omit any commit that introduces the same change as
@@ -165,6 +170,27 @@ from the other branch (for example, "3rd on b" may be cherry-picked
 from branch A).  With this option, such pairs of commits are
 excluded from the output.
 
+--left-only::
+--right-only::
+
+       List only commits on the respective side of a symmetric range,
+       i.e. only those which would be marked `<` resp. `>` by
+       `--left-right`.
++
+For example, `--cherry-pick --right-only A...B` omits those
+commits from `B` which are in `A` or are patch-equivalent to a commit in
+`A`. In other words, this lists the `{plus}` commits from `git cherry A B`.
+More precisely, `--cherry-pick --right-only --no-merges` gives the exact
+list.
+
+--cherry::
+
+       A synonym for `--right-only --cherry-mark --no-merges`; useful to
+       limit the output to the commits on our side and mark those that
+       have been applied to the other side of a forked history with
+       `git log --cherry upstream...mybranch`, similar to
+       `git cherry upstream mybranch`.
+
 -g::
 --walk-reflogs::
 
index ba27d39f977f2807cddb6e18364837b9fd50e970..f458cb7587c7d40cf93d42d73379fac485ee3889 100644 (file)
@@ -64,18 +64,8 @@ static void show_commit(struct commit *commit, void *data)
        if (info->header_prefix)
                fputs(info->header_prefix, stdout);
 
-       if (!revs->graph) {
-               if (commit->object.flags & BOUNDARY)
-                       putchar('-');
-               else if (commit->object.flags & UNINTERESTING)
-                       putchar('^');
-               else if (revs->left_right) {
-                       if (commit->object.flags & SYMMETRIC_LEFT)
-                               putchar('<');
-                       else
-                               putchar('>');
-               }
-       }
+       if (!revs->graph)
+               fputs(get_revision_mark(revs, commit), stdout);
        if (revs->abbrev_commit && revs->abbrev)
                fputs(find_unique_abbrev(commit->object.sha1, revs->abbrev),
                      stdout);
index 177dd259cd53cde017d73db5ccbecc7ed7dfa573..a5857c1ad45b0462f168a4b3b9249ed8c3cf6e89 100755 (executable)
@@ -5734,7 +5734,7 @@ sub cmd_show_log {
        my (@k, $c, $d, $stat);
        my $esc_color = qr/(?:\033\[(?:(?:\d+;)*\d*)?m)*/;
        while (<$log>) {
-               if (/^${esc_color}commit -?($::sha1_short)/o) {
+               if (/^${esc_color}commit (- )?($::sha1_short)/o) {
                        my $cmt = $1;
                        if ($c && cmt_showable($c) && $c->{r} != $r_last) {
                                $r_last = $c->{r};
diff --git a/graph.c b/graph.c
index f1a63c2241a30cce0141b87b5e8005b1a899a8ef..ef2e24e85a41dc97cf00bb7b19985ec01b8662bf 100644 (file)
--- a/graph.c
+++ b/graph.c
@@ -798,22 +798,9 @@ static void graph_output_commit_char(struct git_graph *graph, struct strbuf *sb)
        }
 
        /*
-        * If revs->left_right is set, print '<' for commits that
-        * come from the left side, and '>' for commits from the right
-        * side.
+        * get_revision_mark() handles all other cases without assert()
         */
-       if (graph->revs && graph->revs->left_right) {
-               if (graph->commit->object.flags & SYMMETRIC_LEFT)
-                       strbuf_addch(sb, '<');
-               else
-                       strbuf_addch(sb, '>');
-               return;
-       }
-
-       /*
-        * Print '*' in all other cases
-        */
-       strbuf_addch(sb, '*');
+       strbuf_addstr(sb, get_revision_mark(graph->revs, graph->commit));
 }
 
 /*
index b46ed3baef7d9d9971a3886d700059217fbe974a..2a1e3a94c910cd74e41303d8b7aefa539817c831 100644 (file)
@@ -380,18 +380,8 @@ void show_log(struct rev_info *opt)
        if (!opt->verbose_header) {
                graph_show_commit(opt->graph);
 
-               if (!opt->graph) {
-                       if (commit->object.flags & BOUNDARY)
-                               putchar('-');
-                       else if (commit->object.flags & UNINTERESTING)
-                               putchar('^');
-                       else if (opt->left_right) {
-                               if (commit->object.flags & SYMMETRIC_LEFT)
-                                       putchar('<');
-                               else
-                                       putchar('>');
-                       }
-               }
+               if (!opt->graph)
+                       put_revision_mark(opt, commit);
                fputs(find_unique_abbrev(commit->object.sha1, abbrev_commit), stdout);
                if (opt->print_parents)
                        show_parents(commit, abbrev_commit);
@@ -448,18 +438,8 @@ void show_log(struct rev_info *opt)
                if (opt->commit_format != CMIT_FMT_ONELINE)
                        fputs("commit ", stdout);
 
-               if (!opt->graph) {
-                       if (commit->object.flags & BOUNDARY)
-                               putchar('-');
-                       else if (commit->object.flags & UNINTERESTING)
-                               putchar('^');
-                       else if (opt->left_right) {
-                               if (commit->object.flags & SYMMETRIC_LEFT)
-                                       putchar('<');
-                               else
-                                       putchar('>');
-                       }
-               }
+               if (!opt->graph)
+                       put_revision_mark(opt, commit);
                fputs(find_unique_abbrev(commit->object.sha1, abbrev_commit),
                      stdout);
                if (opt->print_parents)
index 65d20a7a2e7cafd79ff95c02cab3303ebb72351c..e1d8a8f414bf052a59fbe78d022e611f44ed8361 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -876,11 +876,7 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
                                              c->abbrev_parent_hashes.off;
                return 1;
        case 'm':               /* left/right/bottom */
-               strbuf_addch(sb, (commit->object.flags & BOUNDARY)
-                                ? '-'
-                                : (commit->object.flags & SYMMETRIC_LEFT)
-                                ? '<'
-                                : '>');
+               strbuf_addstr(sb, get_revision_mark(NULL, commit));
                return 1;
        case 'd':
                format_decoration(sb, commit);
index 86d24704896d71de7bb554a3925ea88e2be3417b..e96c281d1f04f37e519e9447e18e43b86cb2363a 100644 (file)
@@ -535,6 +535,7 @@ static void cherry_pick_list(struct commit_list *list, struct rev_info *revs)
        int left_count = 0, right_count = 0;
        int left_first;
        struct patch_ids ids;
+       unsigned cherry_flag;
 
        /* First count the commits on the left and on the right */
        for (p = list; p; p = p->next) {
@@ -572,6 +573,9 @@ static void cherry_pick_list(struct commit_list *list, struct rev_info *revs)
                commit->util = add_commit_patch_id(commit, &ids);
        }
 
+       /* either cherry_mark or cherry_pick are true */
+       cherry_flag = revs->cherry_mark ? PATCHSAME : SHOWN;
+
        /* Check the other side */
        for (p = list; p; p = p->next) {
                struct commit *commit = p->item;
@@ -594,7 +598,7 @@ static void cherry_pick_list(struct commit_list *list, struct rev_info *revs)
                if (!id)
                        continue;
                id->seen = 1;
-               commit->object.flags |= SHOWN;
+               commit->object.flags |= cherry_flag;
        }
 
        /* Now check the original side for seen ones */
@@ -606,7 +610,7 @@ static void cherry_pick_list(struct commit_list *list, struct rev_info *revs)
                if (!ent)
                        continue;
                if (ent->seen)
-                       commit->object.flags |= SHOWN;
+                       commit->object.flags |= cherry_flag;
                commit->util = NULL;
        }
 
@@ -729,6 +733,23 @@ static struct commit_list *collect_bottom_commits(struct commit_list *list)
        return bottom;
 }
 
+/* Assumes either left_only or right_only is set */
+static void limit_left_right(struct commit_list *list, struct rev_info *revs)
+{
+       struct commit_list *p;
+
+       for (p = list; p; p = p->next) {
+               struct commit *commit = p->item;
+
+               if (revs->right_only) {
+                       if (commit->object.flags & SYMMETRIC_LEFT)
+                               commit->object.flags |= SHOWN;
+               } else  /* revs->left_only is set */
+                       if (!(commit->object.flags & SYMMETRIC_LEFT))
+                               commit->object.flags |= SHOWN;
+       }
+}
+
 static int limit_list(struct rev_info *revs)
 {
        int slop = SLOP;
@@ -781,9 +802,12 @@ static int limit_list(struct rev_info *revs)
                show(revs, newlist);
                show_early_output = NULL;
        }
-       if (revs->cherry_pick)
+       if (revs->cherry_pick || revs->cherry_mark)
                cherry_pick_list(newlist, revs);
 
+       if (revs->left_only || revs->right_only)
+               limit_left_right(newlist, revs);
+
        if (bottom) {
                limit_to_ancestry(bottom, newlist);
                free_commit_list(bottom);
@@ -1260,9 +1284,32 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
                revs->boundary = 1;
        } else if (!strcmp(arg, "--left-right")) {
                revs->left_right = 1;
+       } else if (!strcmp(arg, "--left-only")) {
+               if (revs->right_only)
+                       die("--left-only is incompatible with --right-only"
+                           " or --cherry");
+               revs->left_only = 1;
+       } else if (!strcmp(arg, "--right-only")) {
+               if (revs->left_only)
+                       die("--right-only is incompatible with --left-only");
+               revs->right_only = 1;
+       } else if (!strcmp(arg, "--cherry")) {
+               if (revs->left_only)
+                       die("--cherry is incompatible with --left-only");
+               revs->cherry_mark = 1;
+               revs->right_only = 1;
+               revs->no_merges = 1;
+               revs->limited = 1;
        } else if (!strcmp(arg, "--count")) {
                revs->count = 1;
+       } else if (!strcmp(arg, "--cherry-mark")) {
+               if (revs->cherry_pick)
+                       die("--cherry-mark is incompatible with --cherry-pick");
+               revs->cherry_mark = 1;
+               revs->limited = 1; /* needs limit_list() */
        } else if (!strcmp(arg, "--cherry-pick")) {
+               if (revs->cherry_mark)
+                       die("--cherry-pick is incompatible with --cherry-mark");
                revs->cherry_pick = 1;
                revs->limited = 1;
        } else if (!strcmp(arg, "--objects")) {
@@ -2232,3 +2279,32 @@ struct commit *get_revision(struct rev_info *revs)
                graph_update(revs->graph, c);
        return c;
 }
+
+char *get_revision_mark(const struct rev_info *revs, const struct commit *commit)
+{
+       if (commit->object.flags & BOUNDARY)
+               return "-";
+       else if (commit->object.flags & UNINTERESTING)
+               return "^";
+       else if (commit->object.flags & PATCHSAME)
+               return "=";
+       else if (!revs || revs->left_right) {
+               if (commit->object.flags & SYMMETRIC_LEFT)
+                       return "<";
+               else
+                       return ">";
+       } else if (revs->graph)
+               return "*";
+       else if (revs->cherry_mark)
+               return "+";
+       return "";
+}
+
+void put_revision_mark(const struct rev_info *revs, const struct commit *commit)
+{
+       char *mark = get_revision_mark(revs, commit);
+       if (!strlen(mark))
+               return;
+       fputs(mark, stdout);
+       putchar(' ');
+}
index 82509dd1d9ad7b1824971be4884409060f10aee3..ae948601f94c726c3677f23517dba5c046431904 100644 (file)
@@ -14,7 +14,8 @@
 #define CHILD_SHOWN    (1u<<6)
 #define ADDED          (1u<<7) /* Parents already parsed and added? */
 #define SYMMETRIC_LEFT (1u<<8)
-#define ALL_REV_FLAGS  ((1u<<9)-1)
+#define PATCHSAME      (1u<<9)
+#define ALL_REV_FLAGS  ((1u<<10)-1)
 
 #define DECORATE_SHORT_REFS    1
 #define DECORATE_FULL_REFS     2
@@ -59,6 +60,8 @@ struct rev_info {
                        boundary:2,
                        count:1,
                        left_right:1,
+                       left_only:1,
+                       right_only:1,
                        rewrite_parents:1,
                        print_parents:1,
                        show_source:1,
@@ -66,6 +69,7 @@ struct rev_info {
                        reverse:1,
                        reverse_output_stage:1,
                        cherry_pick:1,
+                       cherry_mark:1,
                        bisect:1,
                        ancestry_path:1,
                        first_parent_only:1;
@@ -163,6 +167,8 @@ extern int handle_revision_arg(const char *arg, struct rev_info *revs,int flags,
 
 extern int prepare_revision_walk(struct rev_info *revs);
 extern struct commit *get_revision(struct rev_info *revs);
+extern char *get_revision_mark(const struct rev_info *revs, const struct commit *commit);
+extern void put_revision_mark(const struct rev_info *revs, const struct commit *commit);
 
 extern void mark_parents_uninteresting(struct commit *commit);
 extern void mark_tree_uninteresting(struct tree *tree);
index b565638e92655c12c841c29a108516a8b13cf8d2..cacf3de6c9f31889fd8df0bc0cebbbc74e3525bd 100755 (executable)
@@ -4,13 +4,14 @@ test_description='test git rev-list --cherry-pick -- file'
 
 . ./test-lib.sh
 
-# A---B
+# A---B---D---F
 #  \
 #   \
-#    C
+#    C---E
 #
 # B changes a file foo.c, adding a line of text.  C changes foo.c as
 # well as bar.c, but the change in foo.c was identical to change B.
+# D and C change bar in the same way, E and F differently.
 
 test_expect_success setup '
        echo Hallo > foo &&
@@ -25,11 +26,26 @@ test_expect_success setup '
        test_tick &&
        git commit -m "C" &&
        git tag C &&
+       echo Dello > bar &&
+       git add bar &&
+       test_tick &&
+       git commit -m "E" &&
+       git tag E &&
        git checkout master &&
        git checkout branch foo &&
        test_tick &&
        git commit -m "B" &&
-       git tag B
+       git tag B &&
+       echo Cello > bar &&
+       git add bar &&
+       test_tick &&
+       git commit -m "D" &&
+       git tag D &&
+       echo Nello > bar &&
+       git add bar &&
+       test_tick &&
+       git commit -m "F" &&
+       git tag F
 '
 
 cat >expect <<EOF
@@ -53,8 +69,92 @@ test_expect_success '--cherry-pick foo comes up empty' '
        test -z "$(git rev-list --left-right --cherry-pick B...C -- foo)"
 '
 
+cat >expect <<EOF
+>tags/C
+EOF
+
 test_expect_success '--cherry-pick bar does not come up empty' '
-       ! test -z "$(git rev-list --left-right --cherry-pick B...C -- bar)"
+       git rev-list --left-right --cherry-pick B...C -- bar > actual &&
+       git name-rev --stdin --name-only --refs="*tags/*" \
+               < actual > actual.named &&
+       test_cmp actual.named expect
+'
+
+test_expect_success 'bar does not come up empty' '
+       git rev-list --left-right B...C -- bar > actual &&
+       git name-rev --stdin --name-only --refs="*tags/*" \
+               < actual > actual.named &&
+       test_cmp actual.named expect
+'
+
+cat >expect <<EOF
+<tags/F
+>tags/E
+EOF
+
+test_expect_success '--cherry-pick bar does not come up empty (II)' '
+       git rev-list --left-right --cherry-pick F...E -- bar > actual &&
+       git name-rev --stdin --name-only --refs="*tags/*" \
+               < actual > actual.named &&
+       test_cmp actual.named expect
+'
+
+cat >expect <<EOF
++tags/F
+=tags/D
++tags/E
+=tags/C
+EOF
+
+test_expect_success '--cherry-mark' '
+       git rev-list --cherry-mark F...E -- bar > actual &&
+       git name-rev --stdin --name-only --refs="*tags/*" \
+               < actual > actual.named &&
+       test_cmp actual.named expect
+'
+
+cat >expect <<EOF
+<tags/F
+=tags/D
+>tags/E
+=tags/C
+EOF
+
+test_expect_success '--cherry-mark --left-right' '
+       git rev-list --cherry-mark --left-right F...E -- bar > actual &&
+       git name-rev --stdin --name-only --refs="*tags/*" \
+               < actual > actual.named &&
+       test_cmp actual.named expect
+'
+
+cat >expect <<EOF
+tags/E
+EOF
+
+test_expect_success '--cherry-pick --right-only' '
+       git rev-list --cherry-pick --right-only F...E -- bar > actual &&
+       git name-rev --stdin --name-only --refs="*tags/*" \
+               < actual > actual.named &&
+       test_cmp actual.named expect
+'
+
+test_expect_success '--cherry-pick --left-only' '
+       git rev-list --cherry-pick --left-only E...F -- bar > actual &&
+       git name-rev --stdin --name-only --refs="*tags/*" \
+               < actual > actual.named &&
+       test_cmp actual.named expect
+'
+
+cat >expect <<EOF
++tags/E
+=tags/C
+EOF
+
+test_expect_success '--cherry' '
+       git rev-list --cherry F...E -- bar > actual &&
+       git name-rev --stdin --name-only --refs="*tags/*" \
+               < actual > actual.named &&
+       test_cmp actual.named expect
 '
 
 test_expect_success '--cherry-pick with independent, but identical branches' '
@@ -75,11 +175,8 @@ cat >expect <<EOF
 1      2
 EOF
 
-# Insert an extra commit to break the symmetry
 test_expect_success '--count --left-right' '
-       git checkout branch &&
-       test_commit D &&
-       git rev-list --count --left-right B...D > actual &&
+       git rev-list --count --left-right C...D > actual &&
        test_cmp expect actual
 '