Move the relevant code from sequencer to log-tree. This code is not
specific to sequencer, and this allows the sequencer to move out of
libgit.
Signed-off-by: Felipe Contreras <felipe.contreras@xxxxxxxxx>
---
log-tree.c | 161 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
log-tree.h | 3 ++
sequencer.c | 160 ++---------------------------------------------------------
sequencer.h | 4 --
4 files changed, 166 insertions(+), 162 deletions(-)
diff --git a/log-tree.c b/log-tree.c
index 2eb69bc..654f5db 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -9,10 +9,13 @@
#include "string-list.h"
#include "color.h"
#include "gpg-interface.h"
-#include "sequencer.h"
#include "line-log.h"
+#define APPEND_SIGNOFF_DEDUP (1u << 0)
+
struct decoration name_decoration = { "object names" };
+const char sign_off_header[] = "Signed-off-by: ";
+static const char cherry_picked_prefix[] = "(cherry picked from commit ";
enum decoration_type {
DECORATION_NONE = 0,
@@ -472,6 +475,162 @@ static void show_mergetag(struct rev_info *opt, struct commit *commit)
free_commit_extra_headers(to_free);
}
+static int is_rfc2822_line(const char *buf, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ int ch = buf[i];
+ if (ch == ':')
+ return 1;
+ if (!isalnum(ch) && ch != '-')
+ break;
+ }
+
+ return 0;
+}
+
+static int is_cherry_picked_from_line(const char *buf, int len)
+{
+ /*
+ * We only care that it looks roughly like (cherry picked from ...)
+ */
+ return len > strlen(cherry_picked_prefix) + 1 &&
+ !prefixcmp(buf, cherry_picked_prefix) && buf[len - 1] == ')';
+}
+
+/*
+ * Returns 0 for non-conforming footer
+ * Returns 1 for conforming footer
+ * Returns 2 when sob exists within conforming footer
+ * Returns 3 when sob exists within conforming footer as last entry
+ */
+int has_conforming_footer(struct strbuf *sb, struct strbuf *sob,
+ int ignore_footer)
+{
+ char prev;
+ int i, k;
+ int len = sb->len - ignore_footer;
+ const char *buf = sb->buf;
+ int found_sob = 0;
+
+ /* footer must end with newline */
+ if (!len || buf[len - 1] != '\n')
+ return 0;
+
+ prev = '\0';
+ for (i = len - 1; i > 0; i--) {
+ char ch = buf[i];
+ if (prev == '\n' && ch == '\n') /* paragraph break */
+ break;
+ prev = ch;
+ }
+
+ /* require at least one blank line */
+ if (prev != '\n' || buf[i] != '\n')
+ return 0;
+
+ /* advance to start of last paragraph */
+ while (i < len - 1 && buf[i] == '\n')
+ i++;
+
+ for (; i < len; i = k) {
+ int found_rfc2822;
+
+ for (k = i; k < len && buf[k] != '\n'; k++)
+ ; /* do nothing */
+ k++;
+
+ found_rfc2822 = is_rfc2822_line(buf + i, k - i - 1);
+ if (found_rfc2822 && sob &&
+ !strncmp(buf + i, sob->buf, sob->len))
+ found_sob = k;
+
+ if (!(found_rfc2822 ||
+ is_cherry_picked_from_line(buf + i, k - i - 1)))
+ return 0;
+ }
+ if (found_sob == i)
+ return 3;
+ if (found_sob)
+ return 2;
+ return 1;
+}
+
+void append_cherrypick(struct strbuf *msgbuf, struct object *obj)
+{
+ if (!has_conforming_footer(msgbuf, NULL, 0))
+ strbuf_addch(msgbuf, '\n');
+ strbuf_addstr(msgbuf, cherry_picked_prefix);
+ strbuf_addstr(msgbuf, sha1_to_hex(obj->sha1));
+ strbuf_addstr(msgbuf, ")\n");
+}
+
+void append_signoff(struct strbuf *msgbuf, int ignore_footer, unsigned flag)
+{
+ unsigned no_dup_sob = flag & APPEND_SIGNOFF_DEDUP;
+ struct strbuf sob = STRBUF_INIT;
+ int has_footer;
+
+ strbuf_addstr(&sob, sign_off_header);
+ strbuf_addstr(&sob, fmt_name(getenv("GIT_COMMITTER_NAME"),
+ getenv("GIT_COMMITTER_EMAIL")));
+ strbuf_addch(&sob, '\n');
+
+ /*
+ * If the whole message buffer is equal to the sob, pretend that we
+ * found a conforming footer with a matching sob
+ */
+ if (msgbuf->len - ignore_footer == sob.len &&
+ !strncmp(msgbuf->buf, sob.buf, sob.len))
+ has_footer = 3;
+ else
+ has_footer = has_conforming_footer(msgbuf, &sob, ignore_footer);
+
+ if (!has_footer) {
+ const char *append_newlines = NULL;
+ size_t len = msgbuf->len - ignore_footer;
+
+ if (!len) {
+ /*
+ * The buffer is completely empty. Leave foom for
+ * the title and body to be filled in by the user.
+ */
+ append_newlines = "\n\n";
+ } else if (msgbuf->buf[len - 1] != '\n') {
+ /*
+ * Incomplete line. Complete the line and add a
+ * blank one so that there is an empty line between
+ * the message body and the sob.
+ */
+ append_newlines = "\n\n";
+ } else if (len == 1) {
+ /*
+ * Buffer contains a single newline. Add another
+ * so that we leave room for the title and body.
+ */
+ append_newlines = "\n";
+ } else if (msgbuf->buf[len - 2] != '\n') {
+ /*
+ * Buffer ends with a single newline. Add another
+ * so that there is an empty line between the message
+ * body and the sob.
+ */
+ append_newlines = "\n";
+ } /* else, the buffer already ends with two newlines. */
+
+ if (append_newlines)
+ strbuf_splice(msgbuf, msgbuf->len - ignore_footer, 0,
+ append_newlines, strlen(append_newlines));
+ }
+
+ if (has_footer != 3 && (!no_dup_sob || has_footer != 2))
+ strbuf_splice(msgbuf, msgbuf->len - ignore_footer, 0,
+ sob.buf, sob.len);
+
+ strbuf_release(&sob);
+}
+
void show_log(struct rev_info *opt)
{
struct strbuf msgbuf = STRBUF_INIT;
diff --git a/log-tree.h b/log-tree.h
index d6ecd4d..1039e49 100644
--- a/log-tree.h
+++ b/log-tree.h
@@ -25,4 +25,7 @@ void load_ref_decorations(int flags);
void fmt_output_commit(struct strbuf *, struct commit *, struct rev_info *);
void fmt_output_subject(struct strbuf *, const char *subject, struct rev_info *);
+void append_cherrypick(struct strbuf *msgbuf, struct object *obj);
+void append_signoff(struct strbuf *msgbuf, int ignore_footer, unsigned flag);
+
#endif
diff --git a/sequencer.c b/sequencer.c
index ab6f8a7..e92e039 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -14,94 +14,10 @@
#include "merge-recursive.h"
#include "refs.h"
#include "argv-array.h"
+#include "log-tree.h"
#define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION"
-const char sign_off_header[] = "Signed-off-by: ";
-static const char cherry_picked_prefix[] = "(cherry picked from commit ";
-
-static int is_rfc2822_line(const char *buf, int len)
-{
- int i;
-
- for (i = 0; i < len; i++) {
- int ch = buf[i];
- if (ch == ':')
- return 1;
- if (!isalnum(ch) && ch != '-')
- break;
- }
-
- return 0;
-}
-
-static int is_cherry_picked_from_line(const char *buf, int len)
-{
- /*
- * We only care that it looks roughly like (cherry picked from ...)
- */
- return len > strlen(cherry_picked_prefix) + 1 &&
- !prefixcmp(buf, cherry_picked_prefix) && buf[len - 1] == ')';
-}
-
-/*
- * Returns 0 for non-conforming footer
- * Returns 1 for conforming footer
- * Returns 2 when sob exists within conforming footer
- * Returns 3 when sob exists within conforming footer as last entry
- */
-static int has_conforming_footer(struct strbuf *sb, struct strbuf *sob,
- int ignore_footer)
-{
- char prev;
- int i, k;
- int len = sb->len - ignore_footer;
- const char *buf = sb->buf;
- int found_sob = 0;
-
- /* footer must end with newline */
- if (!len || buf[len - 1] != '\n')
- return 0;
-
- prev = '\0';
- for (i = len - 1; i > 0; i--) {
- char ch = buf[i];
- if (prev == '\n' && ch == '\n') /* paragraph break */
- break;
- prev = ch;
- }
-
- /* require at least one blank line */
- if (prev != '\n' || buf[i] != '\n')
- return 0;
-
- /* advance to start of last paragraph */
- while (i < len - 1 && buf[i] == '\n')
- i++;
-
- for (; i < len; i = k) {
- int found_rfc2822;
-
- for (k = i; k < len && buf[k] != '\n'; k++)
- ; /* do nothing */
- k++;
-
- found_rfc2822 = is_rfc2822_line(buf + i, k - i - 1);
- if (found_rfc2822 && sob &&
- !strncmp(buf + i, sob->buf, sob->len))
- found_sob = k;
-
- if (!(found_rfc2822 ||
- is_cherry_picked_from_line(buf + i, k - i - 1)))
- return 0;
- }
- if (found_sob == i)
- return 3;
- if (found_sob)
- return 2;
- return 1;
-}
-
static void remove_sequencer_state(void)
{
struct strbuf seq_dir = STRBUF_INIT;
@@ -578,13 +494,8 @@ static int do_pick_commit(struct commit *commit, struct replay_opts *opts)
strbuf_addstr(&msgbuf, p);
}
- if (opts->record_origin) {
- if (!has_conforming_footer(&msgbuf, NULL, 0))
- strbuf_addch(&msgbuf, '\n');
- strbuf_addstr(&msgbuf, cherry_picked_prefix);
- strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1));
- strbuf_addstr(&msgbuf, ")\n");
- }
+ if (opts->record_origin)
+ append_cherrypick(&msgbuf, &commit->object);
}
if (!opts->strategy || !strcmp(opts->strategy, "recursive") || opts->action == REPLAY_REVERT) {
@@ -1123,68 +1034,3 @@ int sequencer_pick_revisions(struct replay_opts *opts)
save_opts(opts);
return pick_commits(todo_list, opts);
}
-
-void append_signoff(struct strbuf *msgbuf, int ignore_footer, unsigned flag)
-{
- unsigned no_dup_sob = flag & APPEND_SIGNOFF_DEDUP;
- struct strbuf sob = STRBUF_INIT;
- int has_footer;
-
- strbuf_addstr(&sob, sign_off_header);
- strbuf_addstr(&sob, fmt_name(getenv("GIT_COMMITTER_NAME"),
- getenv("GIT_COMMITTER_EMAIL")));
- strbuf_addch(&sob, '\n');
-
- /*
- * If the whole message buffer is equal to the sob, pretend that we
- * found a conforming footer with a matching sob
- */
- if (msgbuf->len - ignore_footer == sob.len &&
- !strncmp(msgbuf->buf, sob.buf, sob.len))
- has_footer = 3;
- else
- has_footer = has_conforming_footer(msgbuf, &sob, ignore_footer);
-
- if (!has_footer) {
- const char *append_newlines = NULL;
- size_t len = msgbuf->len - ignore_footer;
-
- if (!len) {
- /*
- * The buffer is completely empty. Leave foom for
- * the title and body to be filled in by the user.
- */
- append_newlines = "\n\n";
- } else if (msgbuf->buf[len - 1] != '\n') {
- /*
- * Incomplete line. Complete the line and add a
- * blank one so that there is an empty line between
- * the message body and the sob.
- */
- append_newlines = "\n\n";
- } else if (len == 1) {
- /*
- * Buffer contains a single newline. Add another
- * so that we leave room for the title and body.
- */
- append_newlines = "\n";
- } else if (msgbuf->buf[len - 2] != '\n') {
- /*
- * Buffer ends with a single newline. Add another
- * so that there is an empty line between the message
- * body and the sob.
- */
- append_newlines = "\n";
- } /* else, the buffer already ends with two newlines. */
-
- if (append_newlines)
- strbuf_splice(msgbuf, msgbuf->len - ignore_footer, 0,
- append_newlines, strlen(append_newlines));
- }
-
- if (has_footer != 3 && (!no_dup_sob || has_footer != 2))
- strbuf_splice(msgbuf, msgbuf->len - ignore_footer, 0,
- sob.buf, sob.len);
-
- strbuf_release(&sob);
-}
diff --git a/sequencer.h b/sequencer.h
index 1fc22dc..c341918 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -6,8 +6,6 @@
#define SEQ_TODO_FILE "sequencer/todo"
#define SEQ_OPTS_FILE "sequencer/opts"
-#define APPEND_SIGNOFF_DEDUP (1u << 0)
-
enum replay_action {
REPLAY_REVERT,
REPLAY_PICK
@@ -50,6 +48,4 @@ int sequencer_pick_revisions(struct replay_opts *opts);
extern const char sign_off_header[];
-void append_signoff(struct strbuf *msgbuf, int ignore_footer, unsigned flag);
-
#endif
--
1.8.3.698.g079b096
--
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