From: Junio C Hamano Date: Tue, 31 Aug 2010 23:25:11 +0000 (-0700) Subject: Merge branch 'jn/cherry-revert-message-clean-up' X-Git-Tag: v1.7.3-rc0~26 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/ae76cb90cb835f9df42e849206ab55a1e1e1eea3?ds=inline;hp=-c Merge branch 'jn/cherry-revert-message-clean-up' * jn/cherry-revert-message-clean-up: tests: fix syntax error in "Use advise() for hints" test cherry-pick/revert: Use advise() for hints cherry-pick/revert: Use error() for failure message Introduce advise() to print hints Eliminate “Finished cherry-pick/revert” message t3508: add check_head_differs_from() helper function and use it revert: improve success message by adding abbreviated commit sha1 revert: don't print "Finished one cherry-pick." if commit failed revert: refactor commit code into a new run_git_commit() function revert: report success when using option --strategy --- ae76cb90cb835f9df42e849206ab55a1e1e1eea3 diff --combined builtin/revert.c index 9215e66504,7f35cc6e17..5ca81580d3 --- a/builtin/revert.c +++ b/builtin/revert.c @@@ -102,9 -102,9 +102,9 @@@ struct commit_message static int get_message(const char *raw_message, struct commit_message *out) { const char *encoding; - const char *p, *abbrev, *eol; + const char *abbrev, *subject; + int abbrev_len, subject_len; char *q; - int abbrev_len, oneline_len; if (!raw_message) return -1; @@@ -125,17 -125,27 +125,17 @@@ abbrev = find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV); abbrev_len = strlen(abbrev); - /* Find beginning and end of commit subject. */ - p = out->message; - while (*p && (*p != '\n' || p[1] != '\n')) - p++; - if (*p) { - p += 2; - for (eol = p + 1; *eol && *eol != '\n'; eol++) - ; /* do nothing */ - } else - eol = p; - oneline_len = eol - p; + subject_len = find_commit_subject(out->message, &subject); out->parent_label = xmalloc(strlen("parent of ") + abbrev_len + - strlen("... ") + oneline_len + 1); + strlen("... ") + subject_len + 1); q = out->parent_label; q = mempcpy(q, "parent of ", strlen("parent of ")); out->label = q; q = mempcpy(q, abbrev, abbrev_len); q = mempcpy(q, "... ", strlen("... ")); out->subject = q; - q = mempcpy(q, p, oneline_len); + q = mempcpy(q, subject, subject_len); *q = '\0'; return 0; } @@@ -231,27 -241,30 +231,30 @@@ static void set_author_ident_env(const sha1_to_hex(commit->object.sha1)); } - static char *help_msg(void) + static void advise(const char *advice, ...) { - struct strbuf helpbuf = STRBUF_INIT; - char *msg = getenv("GIT_CHERRY_PICK_HELP"); + va_list params; - if (msg) - return msg; + va_start(params, advice); + vreportf("hint: ", advice, params); + va_end(params); + } - strbuf_addstr(&helpbuf, " After resolving the conflicts,\n" - "mark the corrected paths with 'git add ' or 'git rm '\n" - "and commit the result"); + static void print_advice(void) + { + char *msg = getenv("GIT_CHERRY_PICK_HELP"); - if (action == CHERRY_PICK) { - strbuf_addf(&helpbuf, " with: \n" - "\n" - " git commit -c %s\n", - sha1_to_hex(commit->object.sha1)); + if (msg) { + fprintf(stderr, "%s\n", msg); + return; } - else - strbuf_addch(&helpbuf, '.'); - return strbuf_detach(&helpbuf, NULL); + + advise("after resolving the conflicts, mark the corrected paths"); + advise("with 'git add ' or 'git rm '"); + + if (action == CHERRY_PICK) + advise("and commit the result with 'git commit -c %s'", + find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV)); } static void write_message(struct strbuf *msgbuf, const char *filename) @@@ -301,10 -314,9 +304,9 @@@ static int fast_forward_to(const unsign return write_ref_sha1(ref_lock, to, "cherry-pick"); } - static void do_recursive_merge(struct commit *base, struct commit *next, - const char *base_label, const char *next_label, - unsigned char *head, struct strbuf *msgbuf, - char *defmsg) + static int do_recursive_merge(struct commit *base, struct commit *next, + const char *base_label, const char *next_label, + unsigned char *head, struct strbuf *msgbuf) { struct merge_options o; struct tree *result, *next_tree, *base_tree, *head_tree; @@@ -347,14 -359,35 +349,35 @@@ i++; } } - write_message(msgbuf, defmsg); - fprintf(stderr, "Automatic %s failed.%s\n", - me, help_msg()); - rerere(allow_rerere_auto); - exit(1); } - write_message(msgbuf, defmsg); - fprintf(stderr, "Finished one %s.\n", me); + + return !clean; + } + + /* + * If we are cherry-pick, and if the merge did not result in + * hand-editing, we will hit this commit and inherit the original + * author date and name. + * If we are revert, or if our cherry-pick results in a hand merge, + * we had better say that the current user is responsible for that. + */ + static int run_git_commit(const char *defmsg) + { + /* 6 is max possible length of our args array including NULL */ + const char *args[6]; + int i = 0; + + args[i++] = "commit"; + args[i++] = "-n"; + if (signoff) + args[i++] = "-s"; + if (!edit) { + args[i++] = "-F"; + args[i++] = defmsg; + } + args[i] = NULL; + + return run_command_v_opt(args, RUN_GIT_CMD); } static int do_pick_commit(void) @@@ -365,6 -398,7 +388,7 @@@ struct commit_message msg = { NULL, NULL, NULL, NULL, NULL }; char *defmsg = NULL; struct strbuf msgbuf = STRBUF_INIT; + int res; if (no_commit) { /* @@@ -460,63 -494,40 +484,40 @@@ } } - if (!strategy || !strcmp(strategy, "recursive") || action == REVERT) - do_recursive_merge(base, next, base_label, next_label, - head, &msgbuf, defmsg); - else { - int res; + if (!strategy || !strcmp(strategy, "recursive") || action == REVERT) { + res = do_recursive_merge(base, next, base_label, next_label, + head, &msgbuf); + write_message(&msgbuf, defmsg); + } else { struct commit_list *common = NULL; struct commit_list *remotes = NULL; + write_message(&msgbuf, defmsg); + commit_list_insert(base, &common); commit_list_insert(next, &remotes); res = try_merge_command(strategy, common, sha1_to_hex(head), remotes); free_commit_list(common); free_commit_list(remotes); - if (res) { - fprintf(stderr, "Automatic %s with strategy %s failed.%s\n", - me, strategy, help_msg()); - rerere(allow_rerere_auto); - exit(1); - } } - free_message(&msg); - - /* - * - * If we are cherry-pick, and if the merge did not result in - * hand-editing, we will hit this commit and inherit the original - * author date and name. - * If we are revert, or if our cherry-pick results in a hand merge, - * we had better say that the current user is responsible for that. - */ - - if (!no_commit) { - /* 6 is max possible length of our args array including NULL */ - const char *args[6]; - int res; - int i = 0; - - args[i++] = "commit"; - args[i++] = "-n"; - if (signoff) - args[i++] = "-s"; - if (!edit) { - args[i++] = "-F"; - args[i++] = defmsg; - } - args[i] = NULL; - res = run_command_v_opt(args, RUN_GIT_CMD); - free(defmsg); - - return res; + if (res) { + error("could not %s %s... %s", + action == REVERT ? "revert" : "apply", + find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV), + msg.subject); + print_advice(); + rerere(allow_rerere_auto); + } else { + if (!no_commit) + res = run_git_commit(defmsg); } + free_message(&msg); free(defmsg); - return 0; + return res; } static void prepare_revs(struct rev_info *revs) diff --combined git-rebase--interactive.sh index 4d14b077d2,8f6876d301..eb2dff55f8 --- a/git-rebase--interactive.sh +++ b/git-rebase--interactive.sh @@@ -111,16 -111,15 +111,16 @@@ VERBOSE OK_TO_SKIP_PRE_REBASE= REBASE_ROOT= AUTOSQUASH= +test "$(git config --bool rebase.autosquash)" = "true" && AUTOSQUASH=t NEVER_FF= - GIT_CHERRY_PICK_HELP=" After resolving the conflicts, - mark the corrected paths with 'git add ', and - run 'git rebase --continue'" + GIT_CHERRY_PICK_HELP="\ + hint: after resolving the conflicts, mark the corrected paths + hint: with 'git add ' and run 'git rebase --continue'" export GIT_CHERRY_PICK_HELP warn () { - echo "$*" >&2 + printf '%s\n' "$*" >&2 } output () { @@@ -538,34 -537,6 +538,34 @@@ do_next () esac record_in_rewritten $sha1 ;; + x|"exec") + read -r command rest < "$TODO" + mark_action_done + printf 'Executing: %s\n' "$rest" + # "exec" command doesn't take a sha1 in the todo-list. + # => can't just use $sha1 here. + git rev-parse --verify HEAD > "$DOTEST"/stopped-sha + ${SHELL:-@SHELL_PATH@} -c "$rest" # Actual execution + status=$? + if test "$status" -ne 0 + then + warn "Execution failed: $rest" + warn "You can fix the problem, and then run" + warn + warn " git rebase --continue" + warn + exit "$status" + fi + # Run in subshell because require_clean_work_tree can die. + if ! (require_clean_work_tree) + then + warn "Commit or stash your changes, and then run" + warn + warn " git rebase --continue" + warn + exit 1 + fi + ;; *) warn "Unknown command: $command $sha1 $rest" if git rev-parse --verify -q "$sha1" >/dev/null @@@ -620,30 -591,22 +620,30 @@@ do_rest () # skip picking commits whose parents are unchanged skip_unnecessary_picks () { fd=3 - while read -r command sha1 rest + while read -r command rest do # fd=3 means we skip the command - case "$fd,$command,$(git rev-parse --verify --quiet $sha1^)" in - 3,pick,"$ONTO"*|3,p,"$ONTO"*) + case "$fd,$command" in + 3,pick|3,p) # pick a commit whose parent is current $ONTO -> skip - ONTO=$sha1 + sha1=$(printf '%s' "$rest" | cut -d ' ' -f 1) + case "$(git rev-parse --verify --quiet "$sha1"^)" in + "$ONTO"*) + ONTO=$sha1 + ;; + *) + fd=1 + ;; + esac ;; - 3,#*|3,,*) + 3,#*|3,) # copy comments ;; *) fd=1 ;; esac - echo "$command${sha1:+ }$sha1${rest:+ }$rest" >&$fd + printf '%s\n' "$command${rest:+ }$rest" >&$fd done <"$TODO" >"$TODO.new" 3>>"$DONE" && mv -f "$TODO".new "$TODO" && case "$(peek_next_command)" in @@@ -686,12 -649,12 +686,12 @@@ rearrange_squash () case " $used" in *" $sha1 "*) continue ;; esac - echo "$pick $sha1 $message" + printf '%s\n' "$pick $sha1 $message" while read -r squash action msg do case "$message" in "$msg"*) - echo "$action $squash $action! $msg" + printf '%s\n' "$action $squash $action! $msg" used="$used$squash " ;; esac @@@ -832,9 -795,6 +832,9 @@@ first and then run 'git rebase --contin --autosquash) AUTOSQUASH=t ;; + --no-autosquash) + AUTOSQUASH= + ;; --onto) shift ONTO=$(parse_onto "$1") || @@@ -935,7 -895,7 +935,7 @@@ do if test t != "$PRESERVE_MERGES" then - echo "pick $shortsha1 $rest" >> "$TODO" + printf '%s\n' "pick $shortsha1 $rest" >> "$TODO" else sha1=$(git rev-parse $shortsha1) if test -z "$REBASE_ROOT" @@@ -954,7 -914,7 +954,7 @@@ if test f = "$preserve" then touch "$REWRITTEN"/$sha1 - echo "pick $shortsha1 $rest" >> "$TODO" + printf '%s\n' "pick $shortsha1 $rest" >> "$TODO" fi fi done @@@ -997,7 -957,6 +997,7 @@@ # e, edit = use commit, but stop for amending # s, squash = use commit, but meld into previous commit # f, fixup = like "squash", but discard this commit's log message +# x , exec = Run a shell command , and stop if it fails # # If you remove a line here THAT COMMIT WILL BE LOST. # However, if you remove everything, the rebase will be aborted.