Also, add a new option: 'auto', so if there's more than one patch, the
cover letter is generated, otherwise it's not.
Signed-off-by: Felipe Contreras <felipe.contreras@xxxxxxxxx>
---
Documentation/config.txt | 5 +++++
Documentation/git-format-patch.txt | 5 +++--
builtin/log.c | 32 ++++++++++++++++++++++++++------
t/t4014-format-patch.sh | 28 ++++++++++++++++++++++++++++
4 files changed, 62 insertions(+), 8 deletions(-)
diff --git a/Documentation/config.txt b/Documentation/config.txt
index c8e2178..670094f 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -1092,6 +1092,11 @@ format.signoff::
the rights to submit this work under the same open source license.
Please see the 'SubmittingPatches' document for further discussion.
+format.coverLetter::
+ A boolean that controls whether to generate a cover-letter when
+ format-patch is invoked, but in addition can be set to "auto", to
+ generate a cover-letter only when there's more than one patch.
+
filter.<driver>.clean::
The command which is used to convert the content of a worktree
file to a blob upon checkin. See linkgit:gitattributes[5] for
diff --git a/Documentation/git-format-patch.txt b/Documentation/git-format-patch.txt
index 3a62f50..3911877 100644
--- a/Documentation/git-format-patch.txt
+++ b/Documentation/git-format-patch.txt
@@ -20,7 +20,7 @@ SYNOPSIS
[--ignore-if-in-upstream]
[--subject-prefix=Subject-Prefix] [(--reroll-count|-v) <n>]
[--to=<email>] [--cc=<email>]
- [--cover-letter] [--quiet] [--notes[=<ref>]]
+ [--[no-]cover-letter] [--quiet] [--notes[=<ref>]]
[<common diff options>]
[ <since> | <revision range> ]
@@ -195,7 +195,7 @@ will want to ensure that threading is disabled for `git send-email`.
`Cc:`, and custom) headers added so far from config or command
line.
---cover-letter::
+--[no-]cover-letter::
In addition to the patches, generate a cover letter file
containing the shortlog and the overall diffstat. You can
fill in a description in the file before sending it out.
@@ -260,6 +260,7 @@ attachments, and sign off patches with configuration variables.
cc = <email>
attach [ = mime-boundary-string ]
signoff = true
+ coverletter = auto
------------
diff --git a/builtin/log.c b/builtin/log.c
index 488a254..cf09a81 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -619,6 +619,14 @@ static void add_header(const char *value)
static int thread;
static int do_signoff;
static const char *signature = git_version_string;
+static int config_cover_letter;
+
+enum {
+ COVER_UNSET,
+ COVER_OFF,
+ COVER_ON,
+ COVER_AUTO
+};
static int git_format_config(const char *var, const char *value, void *cb)
{
@@ -680,6 +688,14 @@ static int git_format_config(const char *var, const char *value, void *cb)
}
if (!strcmp(var, "format.signature"))
return git_config_string(&signature, var, value);
+ if (!strcmp(var, "format.coverletter")) {
+ if (value && !strcasecmp(value, "auto")) {
+ config_cover_letter = COVER_AUTO;
+ return 0;
+ }
+ config_cover_letter = git_config_bool(var, value) ? COVER_ON : COVER_OFF;
+ return 0;
+ }
return git_log_config(var, value, cb);
}
@@ -1071,7 +1087,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
int start_number = -1;
int just_numbers = 0;
int ignore_if_in_upstream = 0;
- int cover_letter = 0;
+ int cover_letter = -1;
int boundary_count = 0;
int no_binary_diff = 0;
struct commit *origin = NULL, *head = NULL;
@@ -1317,11 +1333,6 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
*/
rev.show_root_diff = 1;
- if (cover_letter) {
- if (!branch_name)
- branch_name = find_branch_name(&rev);
- }
-
if (ignore_if_in_upstream) {
/* Don't say anything if head and upstream are the same. */
if (rev.pending.nr == 2) {
@@ -1362,6 +1373,13 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
numbered = 1;
if (numbered)
rev.total = total + start_number - 1;
+ if (cover_letter == -1) {
+ if (config_cover_letter == COVER_AUTO)
+ cover_letter = (total > 1);
+ else
+ cover_letter = (config_cover_letter == COVER_ON);
+ }
+
if (in_reply_to || thread || cover_letter)
rev.ref_message_ids = xcalloc(1, sizeof(struct string_list));
if (in_reply_to) {
@@ -1373,6 +1391,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
if (cover_letter) {
if (thread)
gen_message_id(&rev, "cover");
+ if (!branch_name)
+ branch_name = find_branch_name(&rev);
make_cover_letter(&rev, use_stdout,
origin, nr, list, head, branch_name, quiet);
total++;
diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
index 71b35e7..01c2a47 100755
--- a/t/t4014-format-patch.sh
+++ b/t/t4014-format-patch.sh
@@ -1026,4 +1026,32 @@ test_expect_success 'cover letter with nothing' '
test_line_count = 0 actual
'
+test_expect_success 'cover letter auto' '
+ mkdir -p tmp &&
+ test_when_finished "rm -rf tmp;
+ git config --unset format.coverletter" &&
+
+ git config format.coverletter auto &&
+ git format-patch -o tmp -1 >list &&
+ test_line_count = 1 list &&
+ git format-patch -o tmp -2 >list &&
+ test_line_count = 3 list
+'
+
+test_expect_success 'cover letter auto user override' '
+ mkdir -p tmp &&
+ test_when_finished "rm -rf tmp;
+ git config --unset format.coverletter" &&
+
+ git config format.coverletter auto &&
+ git format-patch -o tmp --cover-letter -1 >list &&
+ test_line_count = 2 list &&
+ git format-patch -o tmp --cover-letter -2 >list &&
+ test_line_count = 3 list &&
+ git format-patch -o tmp --no-cover-letter -1 >list &&
+ test_line_count = 1 list &&
+ git format-patch -o tmp --no-cover-letter -2 >list &&
+ test_line_count = 2 list
+'
+
test_done
--
1.8.2
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