Merge branch 'rb/quick-install-doc'

diff --git a/apply.c b/apply.c
index c022af53a24bf56556d136a3456862cf6a2ca7cc..321a9fa68d491f7e5e89dc9e398b067f67a10c77 100644 (file)
--- a/apply.c
+++ b/apply.c
@@ -75,13 +75,10 @@ static int parse_ignorewhitespace_option(struct apply_state *state,
 }
 
 int init_apply_state(struct apply_state *state,
-                    const char *prefix,
-                    struct lock_file *lock_file)
+                    const char *prefix)
 {
        memset(state, 0, sizeof(*state));
        state->prefix = prefix;
-       state->lock_file = lock_file;
-       state->newfd = -1;
        state->apply = 1;
        state->line_termination = '\n';
        state->p_value = 1;
@@ -146,8 +143,6 @@ int check_apply_state(struct apply_state *state, int force_apply)
        }
        if (state->check_index)
                state->unsafe_paths = 0;
-       if (!state->lock_file)
-               return error("BUG: state->lock_file should not be NULL");
 
        if (state->apply_verbosity <= verbosity_silent) {
                state->saved_error_routine = get_error_routine();
@@ -305,52 +300,33 @@ static uint32_t hash_line(const char *cp, size_t len)
 static int fuzzy_matchlines(const char *s1, size_t n1,
                            const char *s2, size_t n2)
 {
-       const char *last1 = s1 + n1 - 1;
-       const char *last2 = s2 + n2 - 1;
-       int result = 0;
+       const char *end1 = s1 + n1;
+       const char *end2 = s2 + n2;
 
        /* ignore line endings */
-       while ((*last1 == '\r') || (*last1 == '\n'))
-               last1--;
-       while ((*last2 == '\r') || (*last2 == '\n'))
-               last2--;
-
-       /* skip leading whitespaces, if both begin with whitespace */
-       if (s1 <= last1 && s2 <= last2 && isspace(*s1) && isspace(*s2)) {
-               while (isspace(*s1) && (s1 <= last1))
-                       s1++;
-               while (isspace(*s2) && (s2 <= last2))
-                       s2++;
-       }
-       /* early return if both lines are empty */
-       if ((s1 > last1) && (s2 > last2))
-               return 1;
-       while (!result) {
-               result = *s1++ - *s2++;
-               /*
-                * Skip whitespace inside. We check for whitespace on
-                * both buffers because we don't want "a b" to match
-                * "ab"
-                */
-               if (isspace(*s1) && isspace(*s2)) {
-                       while (isspace(*s1) && s1 <= last1)
+       while (s1 < end1 && (end1[-1] == '\r' || end1[-1] == '\n'))
+               end1--;
+       while (s2 < end2 && (end2[-1] == '\r' || end2[-1] == '\n'))
+               end2--;
+
+       while (s1 < end1 && s2 < end2) {
+               if (isspace(*s1)) {
+                       /*
+                        * Skip whitespace. We check on both buffers
+                        * because we don't want "a b" to match "ab".
+                        */
+                       if (!isspace(*s2))
+                               return 0;
+                       while (s1 < end1 && isspace(*s1))
                                s1++;
-                       while (isspace(*s2) && s2 <= last2)
+                       while (s2 < end2 && isspace(*s2))
                                s2++;
-               }
-               /*
-                * If we reached the end on one side only,
-                * lines don't match
-                */
-               if (
-                   ((s2 > last2) && (s1 <= last1)) ||
-                   ((s1 > last1) && (s2 <= last2)))
+               } else if (*s1++ != *s2++)
                        return 0;
-               if ((s1 > last1) && (s2 > last2))
-                       break;
        }
 
-       return !result;
+       /* If we reached the end on one side only, lines don't match. */
+       return s1 == end1 && s2 == end2;
 }
 
 static void add_line_info(struct image *img, const char *bol, size_t len, unsigned flag)
@@ -2977,6 +2953,8 @@ static int apply_one_fragment(struct apply_state *state,
            newlines.len > 0 && newlines.buf[newlines.len - 1] == '\n') {
                old--;
                strbuf_setlen(&newlines, newlines.len - 1);
+               preimage.line_allocated[preimage.nr - 1].len--;
+               postimage.line_allocated[postimage.nr - 1].len--;
        }
 
        leading = frag->leading;
@@ -4709,13 +4687,13 @@ static int apply_patch(struct apply_state *state,
                state->apply = 0;
 
        state->update_index = state->check_index && state->apply;
-       if (state->update_index && state->newfd < 0) {
+       if (state->update_index && !is_lock_file_locked(&state->lock_file)) {
                if (state->index_file)
-                       state->newfd = hold_lock_file_for_update(state->lock_file,
-                                                                state->index_file,
-                                                                LOCK_DIE_ON_ERROR);
+                       hold_lock_file_for_update(&state->lock_file,
+                                                 state->index_file,
+                                                 LOCK_DIE_ON_ERROR);
                else
-                       state->newfd = hold_locked_index(state->lock_file, LOCK_DIE_ON_ERROR);
+                       hold_locked_index(&state->lock_file, LOCK_DIE_ON_ERROR);
        }
 
        if (state->check_index && read_apply_cache(state) < 0) {
@@ -4911,22 +4889,18 @@ int apply_all_patches(struct apply_state *state,
        }
 
        if (state->update_index) {
-               res = write_locked_index(&the_index, state->lock_file, COMMIT_LOCK);
+               res = write_locked_index(&the_index, &state->lock_file, COMMIT_LOCK);
                if (res) {
                        error(_("Unable to write new index file"));
                        res = -128;
                        goto end;
                }
-               state->newfd = -1;
        }
 
        res = !!errs;
 
 end:
-       if (state->newfd >= 0) {
-               rollback_lock_file(state->lock_file);
-               state->newfd = -1;
-       }
+       rollback_lock_file(&state->lock_file);
 
        if (state->apply_verbosity <= verbosity_silent) {
                set_error_routine(state->saved_error_routine);