Move the two methods from builtin/reset.c to reset.c, create a reset.h to expose them, and notify the Makefile about these two new files. No behavior change has been introduced. Helped-by: Jonathan Nieder <jrnieder@xxxxxxxxx> Signed-off-by: Ramkumar Ramachandra <artagnon@xxxxxxxxx> --- Makefile | 2 + builtin/reset.c | 114 ++++++++++-------------------------------------------- reset.c | 76 ++++++++++++++++++++++++++++++++++++ reset.h | 11 +++++ 4 files changed, 110 insertions(+), 93 deletions(-) create mode 100644 reset.c create mode 100644 reset.h diff --git a/Makefile b/Makefile index e40ac0c..1f2b01c 100644 --- a/Makefile +++ b/Makefile @@ -548,6 +548,7 @@ LIB_H += reflog-walk.h LIB_H += refs.h LIB_H += remote.h LIB_H += rerere.h +LIB_H += reset.h LIB_H += resolve-undo.h LIB_H += revision.h LIB_H += run-command.h @@ -649,6 +650,7 @@ LIB_OBJS += refs.o LIB_OBJS += remote.o LIB_OBJS += replace_object.o LIB_OBJS += rerere.o +LIB_OBJS += reset.o LIB_OBJS += resolve-undo.o LIB_OBJS += revision.o LIB_OBJS += run-command.o diff --git a/builtin/reset.c b/builtin/reset.c index 98bca04..3c41b39 100644 --- a/builtin/reset.c +++ b/builtin/reset.c @@ -20,6 +20,7 @@ #include "parse-options.h" #include "unpack-trees.h" #include "cache-tree.h" +#include "reset.h" static const char * const git_reset_usage[] = { "git reset [--mixed | --soft | --hard | --merge | --keep] [-q] [<commit>]", @@ -28,7 +29,6 @@ static const char * const git_reset_usage[] = { NULL }; -enum reset_type { MIXED, SOFT, HARD, MERGE, KEEP, NONE }; static const char *reset_type_names[] = { N_("mixed"), N_("soft"), N_("hard"), N_("merge"), N_("keep"), NULL }; @@ -57,78 +57,6 @@ static inline int is_merge(void) return !access(git_path("MERGE_HEAD"), F_OK); } -static int reset_index_file(const unsigned char *sha1, int reset_type, int quiet) -{ - int nr = 1; - int newfd; - struct tree_desc desc[2]; - struct unpack_trees_options opts; - struct lock_file *lock = xcalloc(1, sizeof(struct lock_file)); - - memset(&opts, 0, sizeof(opts)); - opts.head_idx = 1; - opts.src_index = &the_index; - opts.dst_index = &the_index; - opts.fn = oneway_merge; - opts.merge = 1; - if (!quiet) - opts.verbose_update = 1; - switch (reset_type) { - case KEEP: - case MERGE: - opts.update = 1; - break; - case HARD: - opts.update = 1; - /* fallthrough */ - default: - opts.reset = 1; - } - - newfd = hold_locked_index(lock, 1); - - read_cache_unmerged(); - - if (reset_type == KEEP) { - unsigned char head_sha1[20]; - if (get_sha1("HEAD", head_sha1)) - return error(_("You do not have a valid HEAD.")); - if (!fill_tree_descriptor(desc, head_sha1)) - return error(_("Failed to find tree of HEAD.")); - nr++; - opts.fn = twoway_merge; - } - - if (!fill_tree_descriptor(desc + nr - 1, sha1)) - return error(_("Failed to find tree of %s."), sha1_to_hex(sha1)); - if (unpack_trees(nr, desc, &opts)) - return -1; - if (write_cache(newfd, active_cache, active_nr) || - commit_locked_index(lock)) - return error(_("Could not write new index file.")); - - return 0; -} - -static void print_new_head_line(struct commit *commit) -{ - const char *hex, *body; - - hex = find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV); - printf(_("HEAD is now at %s"), hex); - body = strstr(commit->buffer, "\n\n"); - if (body) { - const char *eol; - size_t len; - body += 2; - eol = strchr(body, '\n'); - len = eol ? eol - body : strlen(body); - printf(" %.*s\n", (int) len, body); - } - else - printf("\n"); -} - static int update_index_refresh(int fd, struct lock_file *index_lock, int flags) { int result; @@ -235,7 +163,7 @@ static void die_if_unmerged_cache(int reset_type) int cmd_reset(int argc, const char **argv, const char *prefix) { - int i = 0, reset_type = NONE, update_ref_status = 0, quiet = 0; + int i = 0, reset_type = RESET_NONE, update_ref_status = 0, quiet = 0; int patch_mode = 0; const char *rev = "HEAD"; unsigned char sha1[20], *orig = NULL, sha1_orig[20], @@ -245,14 +173,14 @@ int cmd_reset(int argc, const char **argv, const char *prefix) const struct option options[] = { OPT__QUIET(&quiet, "be quiet, only report errors"), OPT_SET_INT(0, "mixed", &reset_type, - "reset HEAD and index", MIXED), - OPT_SET_INT(0, "soft", &reset_type, "reset only HEAD", SOFT), + "reset HEAD and index", RESET_MIXED), + OPT_SET_INT(0, "soft", &reset_type, "reset only HEAD", RESET_SOFT), OPT_SET_INT(0, "hard", &reset_type, - "reset HEAD, index and working tree", HARD), + "reset HEAD, index and working tree", RESET_HARD), OPT_SET_INT(0, "merge", &reset_type, - "reset HEAD, index and working tree", MERGE), + "reset HEAD, index and working tree", RESET_MERGE), OPT_SET_INT(0, "keep", &reset_type, - "reset HEAD but keep local changes", KEEP), + "reset HEAD but keep local changes", RESET_KEEP), OPT_BOOLEAN('p', "patch", &patch_mode, "select hunks interactively"), OPT_END() }; @@ -308,7 +236,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix) hashcpy(sha1, commit->object.sha1); if (patch_mode) { - if (reset_type != NONE) + if (reset_type != RESET_NONE) die(_("--patch is incompatible with --{hard,mixed,soft}")); return interactive_reset(rev, argv + i, prefix); } @@ -317,36 +245,36 @@ int cmd_reset(int argc, const char **argv, const char *prefix) * load chosen paths from the tree into the index without * affecting the working tree nor HEAD. */ if (i < argc) { - if (reset_type == MIXED) + if (reset_type == RESET_MIXED) warning(_("--mixed with paths is deprecated; use 'git reset -- <paths>' instead.")); - else if (reset_type != NONE) + else if (reset_type != RESET_NONE) die(_("Cannot do %s reset with paths."), _(reset_type_names[reset_type])); return read_from_tree(prefix, argv + i, sha1, quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN); } - if (reset_type == NONE) - reset_type = MIXED; /* by default */ + if (reset_type == RESET_NONE) + reset_type = RESET_MIXED; /* by default */ - if (reset_type != SOFT && reset_type != MIXED) + if (reset_type != RESET_SOFT && reset_type != RESET_MIXED) setup_work_tree(); - if (reset_type == MIXED && is_bare_repository()) + if (reset_type == RESET_MIXED && is_bare_repository()) die(_("%s reset is not allowed in a bare repository"), _(reset_type_names[reset_type])); /* Soft reset does not touch the index file nor the working tree * at all, but requires them in a good order. Other resets reset * the index file to the tree object we are switching to. */ - if (reset_type == SOFT) + if (reset_type == RESET_SOFT) die_if_unmerged_cache(reset_type); else { int err; - if (reset_type == KEEP) + if (reset_type == RESET_KEEP) die_if_unmerged_cache(reset_type); err = reset_index_file(sha1, reset_type, quiet); - if (reset_type == KEEP) - err = err || reset_index_file(sha1, MIXED, quiet); + if (reset_type == RESET_KEEP) + err = err || reset_index_file(sha1, RESET_MIXED, quiet); if (err) die(_("Could not reset index file to revision '%s'."), rev); } @@ -366,13 +294,13 @@ int cmd_reset(int argc, const char **argv, const char *prefix) update_ref_status = update_ref(msg, "HEAD", sha1, orig, 0, MSG_ON_ERR); switch (reset_type) { - case HARD: + case RESET_HARD: if (!update_ref_status && !quiet) print_new_head_line(commit); break; - case SOFT: /* Nothing else to do. */ + case RESET_SOFT: /* Nothing else to do. */ break; - case MIXED: /* Report what has not been updated. */ + case RESET_MIXED: /* Report what has not been updated. */ update_index_refresh(0, NULL, quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN); break; diff --git a/reset.c b/reset.c new file mode 100644 index 0000000..3d9f1a3 --- /dev/null +++ b/reset.c @@ -0,0 +1,76 @@ +#include "builtin.h" +#include "diff.h" +#include "unpack-trees.h" +#include "reset.h" + +int reset_index_file(const unsigned char *sha1, int reset_type, int quiet) +{ + int nr = 1; + int newfd; + struct tree_desc desc[2]; + struct unpack_trees_options opts; + struct lock_file *lock = xcalloc(1, sizeof(struct lock_file)); + + memset(&opts, 0, sizeof(opts)); + opts.head_idx = 1; + opts.src_index = &the_index; + opts.dst_index = &the_index; + opts.fn = oneway_merge; + opts.merge = 1; + if (!quiet) + opts.verbose_update = 1; + switch (reset_type) { + case RESET_KEEP: + case RESET_MERGE: + opts.update = 1; + break; + case RESET_HARD: + opts.update = 1; + /* fallthrough */ + default: + opts.reset = 1; + } + + newfd = hold_locked_index(lock, 1); + + read_cache_unmerged(); + + if (reset_type == RESET_KEEP) { + unsigned char head_sha1[20]; + if (get_sha1("HEAD", head_sha1)) + return error(_("You do not have a valid HEAD.")); + if (!fill_tree_descriptor(desc, head_sha1)) + return error(_("Failed to find tree of HEAD.")); + nr++; + opts.fn = twoway_merge; + } + + if (!fill_tree_descriptor(desc + nr - 1, sha1)) + return error(_("Failed to find tree of %s."), sha1_to_hex(sha1)); + if (unpack_trees(nr, desc, &opts)) + return -1; + if (write_cache(newfd, active_cache, active_nr) || + commit_locked_index(lock)) + return error(_("Could not write new index file.")); + + return 0; +} + +void print_new_head_line(struct commit *commit) +{ + const char *hex, *body; + + hex = find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV); + printf(_("HEAD is now at %s"), hex); + body = strstr(commit->buffer, "\n\n"); + if (body) { + const char *eol; + size_t len; + body += 2; + eol = strchr(body, '\n'); + len = eol ? eol - body : strlen(body); + printf(" %.*s\n", (int) len, body); + } + else + printf("\n"); +} diff --git a/reset.h b/reset.h new file mode 100644 index 0000000..0dafcd8 --- /dev/null +++ b/reset.h @@ -0,0 +1,11 @@ +#ifndef RESET_H +#define RESET_H + +struct commit; +enum reset_type { RESET_MIXED, RESET_SOFT, RESET_HARD, RESET_MERGE, + RESET_KEEP, RESET_NONE }; + +extern int reset_index_file(const unsigned char *sha1, int reset_type, int quiet); +extern void print_new_head_line(struct commit *commit); + +#endif -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html