diff options
| -rw-r--r-- | Documentation/config.txt | 4 | ||||
| -rw-r--r-- | advice.c | 16 | ||||
| -rw-r--r-- | advice.h | 5 | ||||
| -rw-r--r-- | builtin-commit.c | 14 | ||||
| -rw-r--r-- | builtin-merge.c | 19 | ||||
| -rw-r--r-- | builtin-revert.c | 15 | ||||
| -rwxr-xr-x | git-pull.sh | 25 | ||||
| -rwxr-xr-x | t/t3030-merge-recursive.sh | 6 | ||||
| -rwxr-xr-x | t/t3501-revert-cherry-pick.sh | 2 |
9 files changed, 93 insertions, 13 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt index d4332140a0..76c7d9c7e5 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -130,6 +130,10 @@ advice.*:: Advice shown when linkgit:git-merge[1] refuses to merge to avoid overwritting local changes. Default: true. + resolveConflict:: + Advices shown by various commands when conflicts + prevent the operation from being performed. + Default: true. implicitIdentity:: Advice on how to set your identity configuration when your information is guessed from the system username and @@ -3,6 +3,7 @@ int advice_push_nonfastforward = 1; int advice_status_hints = 1; int advice_commit_before_merge = 1; +int advice_resolve_conflict = 1; int advice_implicit_identity = 1; static struct { @@ -12,6 +13,7 @@ static struct { { "pushnonfastforward", &advice_push_nonfastforward }, { "statushints", &advice_status_hints }, { "commitbeforemerge", &advice_commit_before_merge }, + { "resolveconflict", &advice_resolve_conflict }, { "implicitidentity", &advice_implicit_identity }, }; @@ -29,3 +31,17 @@ int git_default_advice_config(const char *var, const char *value) return 0; } + +void NORETURN die_resolve_conflict(const char *me) +{ + if (advice_resolve_conflict) + /* + * Message used both when 'git commit' fails and when + * other commands doing a merge do. + */ + die("'%s' is not possible because you have unmerged files.\n" + "Please, fix them up in the work tree, and then use 'git add/rm <file>' as\n" + "appropriate to mark resolution and make a commit, or use 'git commit -a'.", me); + else + die("'%s' is not possible because you have unmerged files.", me); +} @@ -1,11 +1,16 @@ #ifndef ADVICE_H #define ADVICE_H +#include "git-compat-util.h" + extern int advice_push_nonfastforward; extern int advice_status_hints; extern int advice_commit_before_merge; +extern int advice_resolve_conflict; extern int advice_implicit_identity; int git_default_advice_config(const char *var, const char *value); +extern void NORETURN die_resolve_conflict(const char *me); + #endif /* ADVICE_H */ diff --git a/builtin-commit.c b/builtin-commit.c index 42f11c30ca..fedcda09d0 100644 --- a/builtin-commit.c +++ b/builtin-commit.c @@ -258,6 +258,16 @@ static void create_base_index(void) exit(128); /* We've already reported the error, finish dying */ } +static void refresh_cache_or_die(int refresh_flags) +{ + /* + * refresh_flags contains REFRESH_QUIET, so the only errors + * are for unmerged entries. + */ + if (refresh_cache(refresh_flags | REFRESH_IN_PORCELAIN)) + die_resolve_conflict("commit"); +} + static char *prepare_index(int argc, const char **argv, const char *prefix, int is_status) { int fd; @@ -297,7 +307,7 @@ static char *prepare_index(int argc, const char **argv, const char *prefix, int if (all || (also && pathspec && *pathspec)) { int fd = hold_locked_index(&index_lock, 1); add_files_to_cache(also ? prefix : NULL, pathspec, 0); - refresh_cache(refresh_flags); + refresh_cache_or_die(refresh_flags); if (write_cache(fd, active_cache, active_nr) || close_lock_file(&index_lock)) die("unable to write new_index file"); @@ -316,7 +326,7 @@ static char *prepare_index(int argc, const char **argv, const char *prefix, int */ if (!pathspec || !*pathspec) { fd = hold_locked_index(&index_lock, 1); - refresh_cache(refresh_flags); + refresh_cache_or_die(refresh_flags); if (write_cache(fd, active_cache, active_nr) || commit_locked_index(&index_lock)) die("unable to write new_index file"); diff --git a/builtin-merge.c b/builtin-merge.c index 82e2a0491a..6f1311414b 100644 --- a/builtin-merge.c +++ b/builtin-merge.c @@ -849,11 +849,20 @@ int cmd_merge(int argc, const char **argv, const char *prefix) const char *best_strategy = NULL, *wt_strategy = NULL; struct commit_list **remotes = &remoteheads; - if (file_exists(git_path("MERGE_HEAD"))) - die("You have not concluded your merge. (MERGE_HEAD exists)"); - if (read_cache_unmerged()) - die("You are in the middle of a conflicted merge." - " (index unmerged)"); + if (read_cache_unmerged()) { + die_resolve_conflict("merge"); + } + if (file_exists(git_path("MERGE_HEAD"))) { + /* + * There is no unmerged entry, don't advise 'git + * add/rm <file>', just 'git commit'. + */ + if (advice_resolve_conflict) + die("You have not concluded your merge (MERGE_HEAD exists).\n" + "Please, commit your changes before you can merge."); + else + die("You have not concluded your merge (MERGE_HEAD exists)."); + } /* * Check if we are _not_ on a detached HEAD, i.e. if there is a diff --git a/builtin-revert.c b/builtin-revert.c index 857ca2eefa..8ac86f0943 100644 --- a/builtin-revert.c +++ b/builtin-revert.c @@ -235,6 +235,19 @@ static struct tree *empty_tree(void) return tree; } +static NORETURN void die_dirty_index(const char *me) +{ + if (read_cache_unmerged()) { + die_resolve_conflict(me); + } else { + if (advice_commit_before_merge) + die("Your local changes would be overwritten by %s.\n" + "Please, commit your changes or stash them to proceed.", me); + else + die("Your local changes would be overwritten by %s.\n", me); + } +} + static int revert_or_cherry_pick(int argc, const char **argv) { unsigned char head[20]; @@ -271,7 +284,7 @@ static int revert_or_cherry_pick(int argc, const char **argv) if (get_sha1("HEAD", head)) die ("You do not have a valid HEAD"); if (index_differs_from("HEAD", 0)) - die ("Dirty index: cannot %s", me); + die_dirty_index(me); } discard_cache(); diff --git a/git-pull.sh b/git-pull.sh index 9e69ada413..54ce0af2d4 100755 --- a/git-pull.sh +++ b/git-pull.sh @@ -13,8 +13,29 @@ set_reflog_action "pull $*" require_work_tree cd_to_toplevel -test -z "$(git ls-files -u)" || - die "You are in the middle of a conflicted merge." + +die_conflict () { + git diff-index --cached --name-status -r --ignore-submodules HEAD -- + if [ $(git config --bool --get advice.resolveConflict || echo true) = "true" ]; then + die "Pull is not possible because you have unmerged files. +Please, fix them up in the work tree, and then use 'git add/rm <file>' +as appropriate to mark resolution, or use 'git commit -a'." + else + die "Pull is not possible because you have unmerged files." + fi +} + +die_merge () { + if [ $(git config --bool --get advice.resolveConflict || echo true) = "true" ]; then + die "You have not concluded your merge (MERGE_HEAD exists). +Please, commit your changes before you can merge." + else + die "You have not concluded your merge (MERGE_HEAD exists)." + fi +} + +test -z "$(git ls-files -u)" || die_conflict +test -f "$GIT_DIR/MERGE_HEAD" && die_merge strategy_args= diffstat= no_commit= squash= no_ff= ff_only= log_arg= verbosity= diff --git a/t/t3030-merge-recursive.sh b/t/t3030-merge-recursive.sh index 9b3fa2bdcd..9929f82021 100755 --- a/t/t3030-merge-recursive.sh +++ b/t/t3030-merge-recursive.sh @@ -276,11 +276,13 @@ test_expect_success 'fail if the index has unresolved entries' ' test_must_fail git merge "$c5" && test_must_fail git merge "$c5" 2> out && + grep "not possible because you have unmerged files" out && + git add -u && + test_must_fail git merge "$c5" 2> out && grep "You have not concluded your merge" out && rm -f .git/MERGE_HEAD && test_must_fail git merge "$c5" 2> out && - grep "You are in the middle of a conflicted merge" out - + grep "Your local changes to .* would be overwritten by merge." out ' test_expect_success 'merge-recursive remove conflict' ' diff --git a/t/t3501-revert-cherry-pick.sh b/t/t3501-revert-cherry-pick.sh index bb4cf00d78..7f858151d4 100755 --- a/t/t3501-revert-cherry-pick.sh +++ b/t/t3501-revert-cherry-pick.sh @@ -66,7 +66,7 @@ test_expect_success 'revert forbidden on dirty working tree' ' echo content >extra_file && git add extra_file && test_must_fail git revert HEAD 2>errors && - grep "Dirty index" errors + grep "Your local changes would be overwritten by " errors ' |