Issac TrottsMake it possible to write for example
git log --format="%H,%S"
where the %S at the end is a new placeholder that prints out the ref (tag/branch) for each commit.
Using %d might seem like an alternative but it only shows the ref for the last commit in the branch.
This change is based on a question from Stack Overflow: https://stackoverflow.com/questions/12712775/git-get-source-information-in-format --- Documentation/pretty-formats.txt | 2 ++ builtin/log.c | 2 +- log-tree.c | 1 + pretty.c | 10 +++++++ t/t4205-log-pretty-formats.sh | 50 ++++++++++++++++++++++++++++++++ 5 files changed, 64 insertions(+), 1 deletion(-)
Show changes to 5 files +64 −1
Documentation/pretty-formats.txt, builtin/log.c, log-tree.c, pretty.c, t/t4205-log-pretty-formats.sh
diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt index 417b638cd..acfe7e0a4 100644 --- a/Documentation/pretty-formats.txt +++ b/Documentation/pretty-formats.txt @@ -104,6 +104,8 @@ The placeholders are: - '%H': commit hash - '%h': abbreviated commit hash +- '%S': ref name given on the command line by which the commit was reached + (like `git log --source`) - '%T': tree hash - '%t': abbreviated tree hash - '%P': parent hashes diff --git a/builtin/log.c b/builtin/log.c index e8e51068b..a314ea2b6 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -203,7 +203,7 @@ static void cmd_log_init_finish(int argc, const char **argv, const char *prefix, rev->diffopt.filter || rev->diffopt.flags.follow_renames) rev->always_show_header = 0; - if (source) { + if (source || (rev->pretty_given && rev->commit_format == CMIT_FMT_USERFORMAT)) { init_revision_sources(&revision_sources); rev->sources = &revision_sources; } diff --git a/log-tree.c b/log-tree.c index 10680c139..3cb14256e 100644 --- a/log-tree.c +++ b/log-tree.c @@ -700,6 +700,7 @@ void show_log(struct rev_info *opt) ctx.color = opt->diffopt.use_color; ctx.expand_tabs_in_log = opt->expand_tabs_in_log; ctx.output_encoding = get_log_output_encoding(); + ctx.rev = opt; if (opt->from_ident.mail_begin && opt->from_ident.name_begin) ctx.from_ident = &opt->from_ident; if (opt->graph) diff --git a/pretty.c b/pretty.c index b83a3ecd2..b1774acad 100644 --- a/pretty.c +++ b/pretty.c @@ -1084,6 +1084,7 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */ struct commit_list *p; const char *arg; int ch; + char **slot; /* these are independent of the commit */ switch (placeholder[0]) { @@ -1149,6 +1150,15 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */ parse_object(the_repository, &commit->object.oid); switch (placeholder[0]) { + case 'S': /* tag/branch like --source */ + slot = revision_sources_at(c->pretty_ctx->rev->sources, commit); + if (slot && *slot) { + strbuf_addstr(sb, *slot); + return 1; + } else { + die(_("failed to get info for %%S")); + return 0; + } case 'H': /* commit hash */ strbuf_addstr(sb, diff_get_color(c->auto_color, DIFF_COMMIT)); strbuf_addstr(sb, oid_to_hex(&commit->object.oid)); diff --git a/t/t4205-log-pretty-formats.sh b/t/t4205-log-pretty-formats.sh index 978a8a66f..7df8c3d4e 100755 --- a/t/t4205-log-pretty-formats.sh +++ b/t/t4205-log-pretty-formats.sh @@ -621,4 +621,54 @@ test_expect_success 'trailer parsing not fooled by --- line' ' test_cmp expect actual ' +test_expect_success 'set up %S tests' ' + git checkout --orphan source-a && + test_commit one && + test_commit two && + git checkout -b source-b HEAD^ && + test_commit three +' + +test_expect_success 'log --format=%S paints branch names' ' + cat >expect <<-\EOF && + source-b + source-a + source-b + EOF + git log --format=%S source-a source-b >actual && + test_cmp expect actual +' + +test_expect_success 'log --format=%S paints tag names' ' + git tag -m tagged source-tag && + cat >expect <<-\EOF && + source-tag + source-a + source-tag + EOF + git log --format=%S source-tag source-a >actual && + test_cmp expect actual +' + +test_expect_success 'log --format=%S paints symmetric ranges' ' + cat >expect <<-\EOF && + source-b + source-a + EOF + git log --format=%S source-a...source-b >actual && + test_cmp expect actual +' + +test_expect_success '%S in git log --format works with other placeholders (part 1)' ' + git log --format="source-b %h" source-b >expect && + git log --format="%S %h" source-b >actual && + test_cmp expect actual +' + +test_expect_success '%S in git log --format works with other placeholders (part 2)' ' + git log --format="%h source-b" source-b >expect && + git log --format="%h %S" source-b >actual && + test_cmp expect actual +' + test_done
-- 2.19.1
