Also, add a new option: 'auto', so if there's more than one patch, the
cover letter is generated, otherwise it's not.
This has the slight disadvantage that a piece of code will always be run
even if the user doesn't want a cover letter, and thus waste a few
cycles. But the convenience is well worth it.
Signed-off-by: Felipe Contreras <felipe.contre...@gmail.com>
---
Documentation/config.txt | 6 +++++
Documentation/git-format-patch.txt | 5 ++--
builtin/log.c | 55 +++++++++++++++++++++++---------------
3 files changed, 42 insertions(+), 24 deletions(-)
diff --git a/Documentation/config.txt b/Documentation/config.txt
index c8e2178..c10195c 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -1092,6 +1092,12 @@ format.signoff::
the rights to submit this work under the same open source license.
Please see the 'SubmittingPatches' document for further discussion.
+format.cover-letter::
+ Allows to configure the --cover-letter option of format-patch by
+ default. In addition, you can set it to 'auto' to automatically
+ determine based on the number of patches (generate if there's more than
+ one).
+
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..e1f5730 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
+ cover-letter = auto
------------
diff --git a/builtin/log.c b/builtin/log.c
index 8f0b2e8..ed89c10 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -618,6 +618,7 @@ static void add_header(const char *value)
#define THREAD_DEEP 2
static int thread;
static int do_signoff;
+static int cover_letter;
static const char *signature = git_version_string;
static int git_format_config(const char *var, const char *value, void *cb)
@@ -680,6 +681,17 @@ 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.cover-letter")) {
+ if (cover_letter != -1)
+ /* user overrode it */
+ return 0;
+ if (value && !strcasecmp(value, "auto")) {
+ cover_letter = -1;
+ return 0;
+ }
+ cover_letter = git_config_bool(var, value);
+ return 0;
+ }
return git_log_config(var, value, cb);
}
@@ -1080,7 +1092,6 @@ 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 boundary_count = 0;
int no_binary_diff = 0;
struct commit *origin = NULL, *head = NULL;
@@ -1318,28 +1329,26 @@ int cmd_format_patch(int argc, const char **argv, const
char *prefix)
*/
rev.show_root_diff = 1;
- if (cover_letter) {
- /*
- * NEEDSWORK:randomly pick one positive commit to show
- * diffstat; this is often the tip and the command
- * happens to do the right thing in most cases, but a
- * complex command like "--cover-letter a b c ^bottom"
- * picks "c" and shows diffstat between bottom..c
- * which may not match what the series represents at
- * all and totally broken.
- */
- int i;
- for (i = 0; i < rev.pending.nr; i++) {
- struct object *o = rev.pending.objects[i].item;
- if (!(o->flags & UNINTERESTING))
- head = (struct commit *)o;
- }
- /* There is nothing to show; it is not an error, though. */
- if (!head)
- return 0;
- if (!branch_name)
- branch_name = find_branch_name(&rev);
+ /*
+ * NEEDSWORK:randomly pick one positive commit to show
+ * diffstat; this is often the tip and the command
+ * happens to do the right thing in most cases, but a
+ * complex command like "--cover-letter a b c ^bottom"
+ * picks "c" and shows diffstat between bottom..c
+ * which may not match what the series represents at
+ * all and totally broken.
+ */
+ for (i = 0; i < rev.pending.nr; i++) {
+ struct object *o = rev.pending.objects[i].item;
+ if (!(o->flags & UNINTERESTING))
+ head = (struct commit *)o;
}
+ /* There is nothing to show; it is not an error, though. */
+ if (!head)
+ return 0;
+
+ 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. */
@@ -1377,6 +1386,8 @@ 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)
+ cover_letter = (total > 1);
if (in_reply_to || thread || cover_letter)
rev.ref_message_ids = xcalloc(1, sizeof(struct string_list));
if (in_reply_to) {
--
1.8.2
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