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Merge branch 'js/cherry-pick-usability'

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* js/cherry-pick-usability:
  Teach commit about CHERRY_PICK_HEAD
  bash: teach __git_ps1 about CHERRY_PICK_HEAD
  Introduce CHERRY_PICK_HEAD
  t3507: introduce pristine-detach helper
This commit is contained in:
Junio C Hamano
2011-03-09 15:56:17 -08:00
parent 75618f1106 37f7a85793
commit 66ecd2d053
12 changed files with 307 additions and 155 deletions
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71
builtin/revert.c
View File

@ -3,7 +3,6 @@
#include "object.h"
#include "commit.h"
#include "tag.h"
#include "wt-status.h"
#include "run-command.h"
#include "exec_cmd.h"
#include "utf8.h"
@ -198,54 +197,20 @@ static void add_message_to_msg(struct strbuf *msgbuf, const char *message)
strbuf_addstr(msgbuf, p);
}
static void set_author_ident_env(const char *message)
static void write_cherry_pick_head(void)
{
const char *p = message;
if (!p)
die ("Could not read commit message of %s",
sha1_to_hex(commit->object.sha1));
while (*p && *p != '\n') {
const char *eol;
int fd;
struct strbuf buf = STRBUF_INIT;
for (eol = p; *eol && *eol != '\n'; eol++)
; /* do nothing */
if (!prefixcmp(p, "author ")) {
char *line, *pend, *email, *timestamp;
strbuf_addf(&buf, "%s\n", sha1_to_hex(commit->object.sha1));
p += 7;
line = xmemdupz(p, eol - p);
email = strchr(line, '<');
if (!email)
die ("Could not extract author email from %s",
sha1_to_hex(commit->object.sha1));
if (email == line)
pend = line;
else
for (pend = email; pend != line + 1 &&
isspace(pend[-1]); pend--);
; /* do nothing */
*pend = '\0';
email++;
timestamp = strchr(email, '>');
if (!timestamp)
die ("Could not extract author time from %s",
sha1_to_hex(commit->object.sha1));
*timestamp = '\0';
for (timestamp++; *timestamp && isspace(*timestamp);
timestamp++)
; /* do nothing */
setenv("GIT_AUTHOR_NAME", line, 1);
setenv("GIT_AUTHOR_EMAIL", email, 1);
setenv("GIT_AUTHOR_DATE", timestamp, 1);
free(line);
return;
}
p = eol;
if (*p == '\n')
p++;
}
die ("No author information found in %s",
sha1_to_hex(commit->object.sha1));
fd = open(git_path("CHERRY_PICK_HEAD"), O_WRONLY | O_CREAT, 0666);
if (fd < 0)
die_errno("Could not open '%s' for writing",
git_path("CHERRY_PICK_HEAD"));
if (write_in_full(fd, buf.buf, buf.len) != buf.len || close(fd))
die_errno("Could not write to '%s'", git_path("CHERRY_PICK_HEAD"));
strbuf_release(&buf);
}
static void advise(const char *advice, ...)
@ -263,15 +228,18 @@ static void print_advice(void)
if (msg) {
fprintf(stderr, "%s\n", msg);
/*
* A conflict has occured but the porcelain
* (typically rebase --interactive) wants to take care
* of the commit itself so remove CHERRY_PICK_HEAD
*/
unlink(git_path("CHERRY_PICK_HEAD"));
return;
}
advise("after resolving the conflicts, mark the corrected paths");
advise("with 'git add <paths>' or 'git rm <paths>'");
if (action == CHERRY_PICK)
advise("and commit the result with 'git commit -c %s'",
find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV));
advise("and commit the result with 'git commit'");
}
static void write_message(struct strbuf *msgbuf, const char *filename)
@ -497,13 +465,14 @@ static int do_pick_commit(void)
base_label = msg.parent_label;
next = commit;
next_label = msg.label;
set_author_ident_env(msg.message);
add_message_to_msg(&msgbuf, msg.message);
if (no_replay) {
strbuf_addstr(&msgbuf, "(cherry picked from commit ");
strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1));
strbuf_addstr(&msgbuf, ")\n");
}
if (!no_commit)
write_cherry_pick_head();
}
if (!strategy || !strcmp(strategy, "recursive") || action == REVERT) {