diff options
Diffstat (limited to 'contrib/examples')
-rw-r--r-- | contrib/examples/README | 3 | ||||
-rw-r--r-- | contrib/examples/builtin-fetch--tool.c | 574 | ||||
-rwxr-xr-x | contrib/examples/git-commit.sh | 8 | ||||
-rwxr-xr-x | contrib/examples/git-fetch.sh | 4 | ||||
-rwxr-xr-x | contrib/examples/git-merge.sh | 620 | ||||
-rwxr-xr-x | contrib/examples/git-notes.sh | 121 | ||||
-rwxr-xr-x | contrib/examples/git-remote.perl | 7 | ||||
-rwxr-xr-x | contrib/examples/git-resolve.sh | 2 | ||||
-rwxr-xr-x | contrib/examples/git-revert.sh | 14 | ||||
-rwxr-xr-x | contrib/examples/git-svnimport.perl | 40 | ||||
-rw-r--r-- | contrib/examples/git-svnimport.txt | 6 | ||||
-rwxr-xr-x | contrib/examples/git-tag.sh | 2 |
12 files changed, 1364 insertions, 37 deletions
diff --git a/contrib/examples/README b/contrib/examples/README new file mode 100644 index 0000000000..6946f3dd2a --- /dev/null +++ b/contrib/examples/README @@ -0,0 +1,3 @@ +These are original scripted implementations, kept primarily for their +reference value to any aspiring plumbing users who want to learn how +pieces can be fit together. diff --git a/contrib/examples/builtin-fetch--tool.c b/contrib/examples/builtin-fetch--tool.c new file mode 100644 index 0000000000..0d54aa7061 --- /dev/null +++ b/contrib/examples/builtin-fetch--tool.c @@ -0,0 +1,574 @@ +#include "builtin.h" +#include "cache.h" +#include "refs.h" +#include "commit.h" +#include "sigchain.h" + +static char *get_stdin(void) +{ + struct strbuf buf = STRBUF_INIT; + if (strbuf_read(&buf, 0, 1024) < 0) { + die_errno("error reading standard input"); + } + return strbuf_detach(&buf, NULL); +} + +static void show_new(enum object_type type, unsigned char *sha1_new) +{ + fprintf(stderr, " %s: %s\n", typename(type), + find_unique_abbrev(sha1_new, DEFAULT_ABBREV)); +} + +static int update_ref_env(const char *action, + const char *refname, + unsigned char *sha1, + unsigned char *oldval) +{ + char msg[1024]; + const char *rla = getenv("GIT_REFLOG_ACTION"); + + if (!rla) + rla = "(reflog update)"; + if (snprintf(msg, sizeof(msg), "%s: %s", rla, action) >= sizeof(msg)) + warning("reflog message too long: %.*s...", 50, msg); + return update_ref(msg, refname, sha1, oldval, 0, QUIET_ON_ERR); +} + +static int update_local_ref(const char *name, + const char *new_head, + const char *note, + int verbose, int force) +{ + unsigned char sha1_old[20], sha1_new[20]; + char oldh[41], newh[41]; + struct commit *current, *updated; + enum object_type type; + + if (get_sha1_hex(new_head, sha1_new)) + die("malformed object name %s", new_head); + + type = sha1_object_info(sha1_new, NULL); + if (type < 0) + die("object %s not found", new_head); + + if (!*name) { + /* Not storing */ + if (verbose) { + fprintf(stderr, "* fetched %s\n", note); + show_new(type, sha1_new); + } + return 0; + } + + if (get_sha1(name, sha1_old)) { + const char *msg; + just_store: + /* new ref */ + if (!strncmp(name, "refs/tags/", 10)) + msg = "storing tag"; + else + msg = "storing head"; + fprintf(stderr, "* %s: storing %s\n", + name, note); + show_new(type, sha1_new); + return update_ref_env(msg, name, sha1_new, NULL); + } + + if (!hashcmp(sha1_old, sha1_new)) { + if (verbose) { + fprintf(stderr, "* %s: same as %s\n", name, note); + show_new(type, sha1_new); + } + return 0; + } + + if (!strncmp(name, "refs/tags/", 10)) { + fprintf(stderr, "* %s: updating with %s\n", name, note); + show_new(type, sha1_new); + return update_ref_env("updating tag", name, sha1_new, NULL); + } + + current = lookup_commit_reference(sha1_old); + updated = lookup_commit_reference(sha1_new); + if (!current || !updated) + goto just_store; + + strcpy(oldh, find_unique_abbrev(current->object.sha1, DEFAULT_ABBREV)); + strcpy(newh, find_unique_abbrev(sha1_new, DEFAULT_ABBREV)); + + if (in_merge_bases(current, &updated, 1)) { + fprintf(stderr, "* %s: fast-forward to %s\n", + name, note); + fprintf(stderr, " old..new: %s..%s\n", oldh, newh); + return update_ref_env("fast-forward", name, sha1_new, sha1_old); + } + if (!force) { + fprintf(stderr, + "* %s: not updating to non-fast-forward %s\n", + name, note); + fprintf(stderr, + " old...new: %s...%s\n", oldh, newh); + return 1; + } + fprintf(stderr, + "* %s: forcing update to non-fast-forward %s\n", + name, note); + fprintf(stderr, " old...new: %s...%s\n", oldh, newh); + return update_ref_env("forced-update", name, sha1_new, sha1_old); +} + +static int append_fetch_head(FILE *fp, + const char *head, const char *remote, + const char *remote_name, const char *remote_nick, + const char *local_name, int not_for_merge, + int verbose, int force) +{ + struct commit *commit; + int remote_len, i, note_len; + unsigned char sha1[20]; + char note[1024]; + const char *what, *kind; + + if (get_sha1(head, sha1)) + return error("Not a valid object name: %s", head); + commit = lookup_commit_reference_gently(sha1, 1); + if (!commit) + not_for_merge = 1; + + if (!strcmp(remote_name, "HEAD")) { + kind = ""; + what = ""; + } + else if (!strncmp(remote_name, "refs/heads/", 11)) { + kind = "branch"; + what = remote_name + 11; + } + else if (!strncmp(remote_name, "refs/tags/", 10)) { + kind = "tag"; + what = remote_name + 10; + } + else if (!strncmp(remote_name, "refs/remotes/", 13)) { + kind = "remote-tracking branch"; + what = remote_name + 13; + } + else { + kind = ""; + what = remote_name; + } + + remote_len = strlen(remote); + for (i = remote_len - 1; remote[i] == '/' && 0 <= i; i--) + ; + remote_len = i + 1; + if (4 < i && !strncmp(".git", remote + i - 3, 4)) + remote_len = i - 3; + + note_len = 0; + if (*what) { + if (*kind) + note_len += sprintf(note + note_len, "%s ", kind); + note_len += sprintf(note + note_len, "'%s' of ", what); + } + note_len += sprintf(note + note_len, "%.*s", remote_len, remote); + fprintf(fp, "%s\t%s\t%s\n", + sha1_to_hex(commit ? commit->object.sha1 : sha1), + not_for_merge ? "not-for-merge" : "", + note); + return update_local_ref(local_name, head, note, verbose, force); +} + +static char *keep; +static void remove_keep(void) +{ + if (keep && *keep) + unlink(keep); +} + +static void remove_keep_on_signal(int signo) +{ + remove_keep(); + sigchain_pop(signo); + raise(signo); +} + +static char *find_local_name(const char *remote_name, const char *refs, + int *force_p, int *not_for_merge_p) +{ + const char *ref = refs; + int len = strlen(remote_name); + + while (ref) { + const char *next; + int single_force, not_for_merge; + + while (*ref == '\n') + ref++; + if (!*ref) + break; + next = strchr(ref, '\n'); + + single_force = not_for_merge = 0; + if (*ref == '+') { + single_force = 1; + ref++; + } + if (*ref == '.') { + not_for_merge = 1; + ref++; + if (*ref == '+') { + single_force = 1; + ref++; + } + } + if (!strncmp(remote_name, ref, len) && ref[len] == ':') { + const char *local_part = ref + len + 1; + int retlen; + + if (!next) + retlen = strlen(local_part); + else + retlen = next - local_part; + *force_p = single_force; + *not_for_merge_p = not_for_merge; + return xmemdupz(local_part, retlen); + } + ref = next; + } + return NULL; +} + +static int fetch_native_store(FILE *fp, + const char *remote, + const char *remote_nick, + const char *refs, + int verbose, int force) +{ + char buffer[1024]; + int err = 0; + + sigchain_push_common(remove_keep_on_signal); + atexit(remove_keep); + + while (fgets(buffer, sizeof(buffer), stdin)) { + int len; + char *cp; + char *local_name; + int single_force, not_for_merge; + + for (cp = buffer; *cp && !isspace(*cp); cp++) + ; + if (*cp) + *cp++ = 0; + len = strlen(cp); + if (len && cp[len-1] == '\n') + cp[--len] = 0; + if (!strcmp(buffer, "failed")) + die("Fetch failure: %s", remote); + if (!strcmp(buffer, "pack")) + continue; + if (!strcmp(buffer, "keep")) { + char *od = get_object_directory(); + int len = strlen(od) + strlen(cp) + 50; + keep = xmalloc(len); + sprintf(keep, "%s/pack/pack-%s.keep", od, cp); + continue; + } + + local_name = find_local_name(cp, refs, + &single_force, ¬_for_merge); + if (!local_name) + continue; + err |= append_fetch_head(fp, + buffer, remote, cp, remote_nick, + local_name, not_for_merge, + verbose, force || single_force); + } + return err; +} + +static int parse_reflist(const char *reflist) +{ + const char *ref; + + printf("refs='"); + for (ref = reflist; ref; ) { + const char *next; + while (*ref && isspace(*ref)) + ref++; + if (!*ref) + break; + for (next = ref; *next && !isspace(*next); next++) + ; + printf("\n%.*s", (int)(next - ref), ref); + ref = next; + } + printf("'\n"); + + printf("rref='"); + for (ref = reflist; ref; ) { + const char *next, *colon; + while (*ref && isspace(*ref)) + ref++; + if (!*ref) + break; + for (next = ref; *next && !isspace(*next); next++) + ; + if (*ref == '.') + ref++; + if (*ref == '+') + ref++; + colon = strchr(ref, ':'); + putchar('\n'); + printf("%.*s", (int)((colon ? colon : next) - ref), ref); + ref = next; + } + printf("'\n"); + return 0; +} + +static int expand_refs_wildcard(const char *ls_remote_result, int numrefs, + const char **refs) +{ + int i, matchlen, replacelen; + int found_one = 0; + const char *remote = *refs++; + numrefs--; + + if (numrefs == 0) { + fprintf(stderr, "Nothing specified for fetching with remote.%s.fetch\n", + remote); + printf("empty\n"); + } + + for (i = 0; i < numrefs; i++) { + const char *ref = refs[i]; + const char *lref = ref; + const char *colon; + const char *tail; + const char *ls; + const char *next; + + if (*lref == '+') + lref++; + colon = strchr(lref, ':'); + tail = lref + strlen(lref); + if (!(colon && + 2 < colon - lref && + colon[-1] == '*' && + colon[-2] == '/' && + 2 < tail - (colon + 1) && + tail[-1] == '*' && + tail[-2] == '/')) { + /* not a glob */ + if (!found_one++) + printf("explicit\n"); + printf("%s\n", ref); + continue; + } + + /* glob */ + if (!found_one++) + printf("glob\n"); + + /* lref to colon-2 is remote hierarchy name; + * colon+1 to tail-2 is local. + */ + matchlen = (colon-1) - lref; + replacelen = (tail-1) - (colon+1); + for (ls = ls_remote_result; ls; ls = next) { + const char *eol; + unsigned char sha1[20]; + int namelen; + + while (*ls && isspace(*ls)) + ls++; + next = strchr(ls, '\n'); + eol = !next ? (ls + strlen(ls)) : next; + if (!memcmp("^{}", eol-3, 3)) + continue; + if (eol - ls < 40) + continue; + if (get_sha1_hex(ls, sha1)) + continue; + ls += 40; + while (ls < eol && isspace(*ls)) + ls++; + /* ls to next (or eol) is the name. + * is it identical to lref to colon-2? + */ + if ((eol - ls) <= matchlen || + strncmp(ls, lref, matchlen)) + continue; + + /* Yes, it is a match */ + namelen = eol - ls; + if (lref != ref) + putchar('+'); + printf("%.*s:%.*s%.*s\n", + namelen, ls, + replacelen, colon + 1, + namelen - matchlen, ls + matchlen); + } + } + return 0; +} + +static int pick_rref(int sha1_only, const char *rref, const char *ls_remote_result) +{ + int err = 0; + int lrr_count = lrr_count, i, pass; + const char *cp; + struct lrr { + const char *line; + const char *name; + int namelen; + int shown; + } *lrr_list = lrr_list; + + for (pass = 0; pass < 2; pass++) { + /* pass 0 counts and allocates, pass 1 fills... */ + cp = ls_remote_result; + i = 0; + while (1) { + const char *np; + while (*cp && isspace(*cp)) + cp++; + if (!*cp) + break; + np = strchrnul(cp, '\n'); + if (pass) { + lrr_list[i].line = cp; + lrr_list[i].name = cp + 41; + lrr_list[i].namelen = np - (cp + 41); + } + i++; + cp = np; + } + if (!pass) { + lrr_count = i; + lrr_list = xcalloc(lrr_count, sizeof(*lrr_list)); + } + } + + while (1) { + const char *next; + int rreflen; + int i; + + while (*rref && isspace(*rref)) + rref++; + if (!*rref) + break; + next = strchrnul(rref, '\n'); + rreflen = next - rref; + + for (i = 0; i < lrr_count; i++) { + struct lrr *lrr = &(lrr_list[i]); + + if (rreflen == lrr->namelen && + !memcmp(lrr->name, rref, rreflen)) { + if (!lrr->shown) + printf("%.*s\n", + sha1_only ? 40 : lrr->namelen + 41, + lrr->line); + lrr->shown = 1; + break; + } + } + if (lrr_count <= i) { + error("pick-rref: %.*s not found", rreflen, rref); + err = 1; + } + rref = next; + } + free(lrr_list); + return err; +} + +int cmd_fetch__tool(int argc, const char **argv, const char *prefix) +{ + int verbose = 0; + int force = 0; + int sopt = 0; + + while (1 < argc) { + const char *arg = argv[1]; + if (!strcmp("-v", arg)) + verbose = 1; + else if (!strcmp("-f", arg)) + force = 1; + else if (!strcmp("-s", arg)) + sopt = 1; + else + break; + argc--; + argv++; + } + + if (argc <= 1) + return error("Missing subcommand"); + + if (!strcmp("append-fetch-head", argv[1])) { + int result; + FILE *fp; + char *filename; + + if (argc != 8) + return error("append-fetch-head takes 6 args"); + filename = git_path("FETCH_HEAD"); + fp = fopen(filename, "a"); + if (!fp) + return error("cannot open %s: %s", filename, strerror(errno)); + result = append_fetch_head(fp, argv[2], argv[3], + argv[4], argv[5], + argv[6], !!argv[7][0], + verbose, force); + fclose(fp); + return result; + } + if (!strcmp("native-store", argv[1])) { + int result; + FILE *fp; + char *filename; + + if (argc != 5) + return error("fetch-native-store takes 3 args"); + filename = git_path("FETCH_HEAD"); + fp = fopen(filename, "a"); + if (!fp) + return error("cannot open %s: %s", filename, strerror(errno)); + result = fetch_native_store(fp, argv[2], argv[3], argv[4], + verbose, force); + fclose(fp); + return result; + } + if (!strcmp("parse-reflist", argv[1])) { + const char *reflist; + if (argc != 3) + return error("parse-reflist takes 1 arg"); + reflist = argv[2]; + if (!strcmp(reflist, "-")) + reflist = get_stdin(); + return parse_reflist(reflist); + } + if (!strcmp("pick-rref", argv[1])) { + const char *ls_remote_result; + if (argc != 4) + return error("pick-rref takes 2 args"); + ls_remote_result = argv[3]; + if (!strcmp(ls_remote_result, "-")) + ls_remote_result = get_stdin(); + return pick_rref(sopt, argv[2], ls_remote_result); + } + if (!strcmp("expand-refs-wildcard", argv[1])) { + const char *reflist; + if (argc < 4) + return error("expand-refs-wildcard takes at least 2 args"); + reflist = argv[2]; + if (!strcmp(reflist, "-")) + reflist = get_stdin(); + return expand_refs_wildcard(reflist, argc - 3, argv + 3); + } + + return error("Unknown subcommand: %s", argv[1]); +} diff --git a/contrib/examples/git-commit.sh b/contrib/examples/git-commit.sh index 2c4a4062a5..23ffb028d1 100755 --- a/contrib/examples/git-commit.sh +++ b/contrib/examples/git-commit.sh @@ -443,7 +443,7 @@ fi | git stripspace >"$GIT_DIR"/COMMIT_EDITMSG case "$signoff" in t) - sign=$(git-var GIT_COMMITTER_IDENT | sed -e ' + sign=$(git var GIT_COMMITTER_IDENT | sed -e ' s/>.*/>/ s/^/Signed-off-by: / ') @@ -535,8 +535,8 @@ esac case "$no_edit" in '') - git-var GIT_AUTHOR_IDENT > /dev/null || die - git-var GIT_COMMITTER_IDENT > /dev/null || die + git var GIT_AUTHOR_IDENT > /dev/null || die + git var GIT_COMMITTER_IDENT > /dev/null || die git_editor "$GIT_DIR/COMMIT_EDITMSG" ;; esac @@ -631,7 +631,7 @@ then if test -z "$quiet" then commit=`git diff-tree --always --shortstat --pretty="format:%h: %s"\ - --summary --root HEAD --` + --abbrev --summary --root HEAD --` echo "Created${initial_commit:+ initial} commit $commit" fi fi diff --git a/contrib/examples/git-fetch.sh b/contrib/examples/git-fetch.sh index e44af2c86d..a314273bd5 100755 --- a/contrib/examples/git-fetch.sh +++ b/contrib/examples/git-fetch.sh @@ -127,10 +127,12 @@ then orig_head=$(git rev-parse --verify HEAD 2>/dev/null) fi -# Allow --notags from remote.$1.tagopt +# Allow --tags/--notags from remote.$1.tagopt case "$tags$no_tags" in '') case "$(git config --get "remote.$1.tagopt")" in + --tags) + tags=t ;; --no-tags) no_tags=t ;; esac diff --git a/contrib/examples/git-merge.sh b/contrib/examples/git-merge.sh new file mode 100755 index 0000000000..7b922c3948 --- /dev/null +++ b/contrib/examples/git-merge.sh @@ -0,0 +1,620 @@ +#!/bin/sh +# +# Copyright (c) 2005 Junio C Hamano +# + +OPTIONS_KEEPDASHDASH= +OPTIONS_SPEC="\ +git merge [options] <remote>... +git merge [options] <msg> HEAD <remote> +-- +stat show a diffstat at the end of the merge +n don't show a diffstat at the end of the merge +summary (synonym to --stat) +log add list of one-line log to merge commit message +squash create a single commit instead of doing a merge +commit perform a commit if the merge succeeds (default) +ff allow fast-forward (default) +ff-only abort if fast-forward is not possible +rerere-autoupdate update index with any reused conflict resolution +s,strategy= merge strategy to use +X= option for selected merge strategy +m,message= message to be used for the merge commit (if any) +" + +SUBDIRECTORY_OK=Yes +. git-sh-setup +require_work_tree +cd_to_toplevel + +test -z "$(git ls-files -u)" || + die "Merge is not possible because you have unmerged files." + +! test -e "$GIT_DIR/MERGE_HEAD" || + die 'You have not concluded your merge (MERGE_HEAD exists).' + +LF=' +' + +all_strategies='recur recursive octopus resolve stupid ours subtree' +all_strategies="$all_strategies recursive-ours recursive-theirs" +not_strategies='base file index tree' +default_twohead_strategies='recursive' +default_octopus_strategies='octopus' +no_fast_forward_strategies='subtree ours' +no_trivial_strategies='recursive recur subtree ours recursive-ours recursive-theirs' +use_strategies= +xopt= + +allow_fast_forward=t +fast_forward_only= +allow_trivial_merge=t +squash= no_commit= log_arg= rr_arg= + +dropsave() { + rm -f -- "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/MERGE_MSG" \ + "$GIT_DIR/MERGE_STASH" "$GIT_DIR/MERGE_MODE" || exit 1 +} + +savestate() { + # Stash away any local modifications. + git stash create >"$GIT_DIR/MERGE_STASH" +} + +restorestate() { + if test -f "$GIT_DIR/MERGE_STASH" + then + git reset --hard $head >/dev/null + git stash apply $(cat "$GIT_DIR/MERGE_STASH") + git update-index --refresh >/dev/null + fi +} + +finish_up_to_date () { + case "$squash" in + t) + echo "$1 (nothing to squash)" ;; + '') + echo "$1" ;; + esac + dropsave +} + +squash_message () { + echo Squashed commit of the following: + echo + git log --no-merges --pretty=medium ^"$head" $remoteheads +} + +finish () { + if test '' = "$2" + then + rlogm="$GIT_REFLOG_ACTION" + else + echo "$2" + rlogm="$GIT_REFLOG_ACTION: $2" + fi + case "$squash" in + t) + echo "Squash commit -- not updating HEAD" + squash_message >"$GIT_DIR/SQUASH_MSG" + ;; + '') + case "$merge_msg" in + '') + echo "No merge message -- not updating HEAD" + ;; + *) + git update-ref -m "$rlogm" HEAD "$1" "$head" || exit 1 + git gc --auto + ;; + esac + ;; + esac + case "$1" in + '') + ;; + ?*) + if test "$show_diffstat" = t + then + # We want color (if set), but no pager + GIT_PAGER='' git diff --stat --summary -M "$head" "$1" + fi + ;; + esac + + # Run a post-merge hook + if test -x "$GIT_DIR"/hooks/post-merge + then + case "$squash" in + t) + "$GIT_DIR"/hooks/post-merge 1 + ;; + '') + "$GIT_DIR"/hooks/post-merge 0 + ;; + esac + fi +} + +merge_name () { + remote="$1" + rh=$(git rev-parse --verify "$remote^0" 2>/dev/null) || return + if truname=$(expr "$remote" : '\(.*\)~[0-9]*$') && + git show-ref -q --verify "refs/heads/$truname" 2>/dev/null + then + echo "$rh branch '$truname' (early part) of ." + return + fi + if found_ref=$(git rev-parse --symbolic-full-name --verify \ + "$remote" 2>/dev/null) + then + expanded=$(git check-ref-format --branch "$remote") || + exit + if test "${found_ref#refs/heads/}" != "$found_ref" + then + echo "$rh branch '$expanded' of ." + return + elif test "${found_ref#refs/remotes/}" != "$found_ref" + then + echo "$rh remote branch '$expanded' of ." + return + fi + fi + if test "$remote" = "FETCH_HEAD" -a -r "$GIT_DIR/FETCH_HEAD" + then + sed -e 's/ not-for-merge / /' -e 1q \ + "$GIT_DIR/FETCH_HEAD" + return + fi + echo "$rh commit '$remote'" +} + +parse_config () { + while test $# != 0; do + case "$1" in + -n|--no-stat|--no-summary) + show_diffstat=false ;; + --stat|--summary) + show_diffstat=t ;; + --log|--no-log) + log_arg=$1 ;; + --squash) + test "$allow_fast_forward" = t || + die "You cannot combine --squash with --no-ff." + squash=t no_commit=t ;; + --no-squash) + squash= no_commit= ;; + --commit) + no_commit= ;; + --no-commit) + no_commit=t ;; + --ff) + allow_fast_forward=t ;; + --no-ff) + test "$squash" != t || + die "You cannot combine --squash with --no-ff." + test "$fast_forward_only" != t || + die "You cannot combine --ff-only with --no-ff." + allow_fast_forward=f ;; + --ff-only) + test "$allow_fast_forward" != f || + die "You cannot combine --ff-only with --no-ff." + fast_forward_only=t ;; + --rerere-autoupdate|--no-rerere-autoupdate) + rr_arg=$1 ;; + -s|--strategy) + shift + case " $all_strategies " in + *" $1 "*) + use_strategies="$use_strategies$1 " + ;; + *) + case " $not_strategies " in + *" $1 "*) + false + esac && + type "git-merge-$1" >/dev/null 2>&1 || + die "available strategies are: $all_strategies" + use_strategies="$use_strategies$1 " + ;; + esac + ;; + -X) + shift + xopt="${xopt:+$xopt }$(git rev-parse --sq-quote "--$1")" + ;; + -m|--message) + shift + merge_msg="$1" + have_message=t + ;; + --) + shift + break ;; + *) usage ;; + esac + shift + done + args_left=$# +} + +test $# != 0 || usage + +have_message= + +if branch=$(git-symbolic-ref -q HEAD) +then + mergeopts=$(git config "branch.${branch#refs/heads/}.mergeoptions") + if test -n "$mergeopts" + then + parse_config $mergeopts -- + fi +fi + +parse_config "$@" +while test $args_left -lt $#; do shift; done + +if test -z "$show_diffstat"; then + test "$(git config --bool merge.diffstat)" = false && show_diffstat=false + test "$(git config --bool merge.stat)" = false && show_diffstat=false + test -z "$show_diffstat" && show_diffstat=t +fi + +# This could be traditional "merge <msg> HEAD <commit>..." and the +# way we can tell it is to see if the second token is HEAD, but some +# people might have misused the interface and used a committish that +# is the same as HEAD there instead. Traditional format never would +# have "-m" so it is an additional safety measure to check for it. + +if test -z "$have_message" && + second_token=$(git rev-parse --verify "$2^0" 2>/dev/null) && + head_commit=$(git rev-parse --verify "HEAD" 2>/dev/null) && + test "$second_token" = "$head_commit" +then + merge_msg="$1" + shift + head_arg="$1" + shift +elif ! git rev-parse --verify HEAD >/dev/null 2>&1 +then + # If the merged head is a valid one there is no reason to + # forbid "git merge" into a branch yet to be born. We do + # the same for "git pull". + if test 1 -ne $# + then + echo >&2 "Can merge only exactly one commit into empty head" + exit 1 + fi + + test "$squash" != t || + die "Squash commit into empty head not supported yet" + test "$allow_fast_forward" = t || + die "Non-fast-forward into an empty head does not make sense" + rh=$(git rev-parse --verify "$1^0") || + die "$1 - not something we can merge" + + git update-ref -m "initial pull" HEAD "$rh" "" && + git read-tree --reset -u HEAD + exit + +else + # We are invoked directly as the first-class UI. + head_arg=HEAD + + # All the rest are the commits being merged; prepare + # the standard merge summary message to be appended to + # the given message. If remote is invalid we will die + # later in the common codepath so we discard the error + # in this loop. + merge_msg="$( + for remote + do + merge_name "$remote" + done | + if test "$have_message" = t + then + git fmt-merge-msg -m "$merge_msg" $log_arg + else + git fmt-merge-msg $log_arg + fi + )" +fi +head=$(git rev-parse --verify "$head_arg"^0) || usage + +# All the rest are remote heads +test "$#" = 0 && usage ;# we need at least one remote head. +set_reflog_action "merge $*" + +remoteheads= +for remote +do + remotehead=$(git rev-parse --verify "$remote"^0 2>/dev/null) || + die "$remote - not something we can merge" + remoteheads="${remoteheads}$remotehead " + eval GITHEAD_$remotehead='"$remote"' + export GITHEAD_$remotehead +done +set x $remoteheads ; shift + +case "$use_strategies" in +'') + case "$#" in + 1) + var="`git config --get pull.twohead`" + if test -n "$var" + then + use_strategies="$var" + else + use_strategies="$default_twohead_strategies" + fi ;; + *) + var="`git config --get pull.octopus`" + if test -n "$var" + then + use_strategies="$var" + else + use_strategies="$default_octopus_strategies" + fi ;; + esac + ;; +esac + +for s in $use_strategies +do + for ss in $no_fast_forward_strategies + do + case " $s " in + *" $ss "*) + allow_fast_forward=f + break + ;; + esac + done + for ss in $no_trivial_strategies + do + case " $s " in + *" $ss "*) + allow_trivial_merge=f + break + ;; + esac + done +done + +case "$#" in +1) + common=$(git merge-base --all $head "$@") + ;; +*) + common=$(git merge-base --all --octopus $head "$@") + ;; +esac +echo "$head" >"$GIT_DIR/ORIG_HEAD" + +case "$allow_fast_forward,$#,$common,$no_commit" in +?,*,'',*) + # No common ancestors found. We need a real merge. + ;; +?,1,"$1",*) + # If head can reach all the merge then we are up to date. + # but first the most common case of merging one remote. + finish_up_to_date "Already up-to-date." + exit 0 + ;; +t,1,"$head",*) + # Again the most common case of merging one remote. + echo "Updating $(git rev-parse --short $head)..$(git rev-parse --short $1)" + git update-index --refresh 2>/dev/null + msg="Fast-forward" + if test -n "$have_message" + then + msg="$msg (no commit created; -m option ignored)" + fi + new_head=$(git rev-parse --verify "$1^0") && + git read-tree -v -m -u --exclude-per-directory=.gitignore $head "$new_head" && + finish "$new_head" "$msg" || exit + dropsave + exit 0 + ;; +?,1,?*"$LF"?*,*) + # We are not doing octopus and not fast-forward. Need a + # real merge. + ;; +?,1,*,) + # We are not doing octopus, not fast-forward, and have only + # one common. + git update-index --refresh 2>/dev/null + case "$allow_trivial_merge,$fast_forward_only" in + t,) + # See if it is really trivial. + git var GIT_COMMITTER_IDENT >/dev/null || exit + echo "Trying really trivial in-index merge..." + if git read-tree --trivial -m -u -v $common $head "$1" && + result_tree=$(git write-tree) + then + echo "Wonderful." + result_commit=$( + printf '%s\n' "$merge_msg" | + git commit-tree $result_tree -p HEAD -p "$1" + ) || exit + finish "$result_commit" "In-index merge" + dropsave + exit 0 + fi + echo "Nope." + esac + ;; +*) + # An octopus. If we can reach all the remote we are up to date. + up_to_date=t + for remote + do + common_one=$(git merge-base --all $head $remote) + if test "$common_one" != "$remote" + then + up_to_date=f + break + fi + done + if test "$up_to_date" = t + then + finish_up_to_date "Already up-to-date. Yeeah!" + exit 0 + fi + ;; +esac + +if test "$fast_forward_only" = t +then + die "Not possible to fast-forward, aborting." +fi + +# We are going to make a new commit. +git var GIT_COMMITTER_IDENT >/dev/null || exit + +# At this point, we need a real merge. No matter what strategy +# we use, it would operate on the index, possibly affecting the +# working tree, and when resolved cleanly, have the desired tree +# in the index -- this means that the index must be in sync with +# the $head commit. The strategies are responsible to ensure this. + +case "$use_strategies" in +?*' '?*) + # Stash away the local changes so that we can try more than one. + savestate + single_strategy=no + ;; +*) + rm -f "$GIT_DIR/MERGE_STASH" + single_strategy=yes + ;; +esac + +result_tree= best_cnt=-1 best_strategy= wt_strategy= +merge_was_ok= +for strategy in $use_strategies +do + test "$wt_strategy" = '' || { + echo "Rewinding the tree to pristine..." + restorestate + } + case "$single_strategy" in + no) + echo "Trying merge strategy $strategy..." + ;; + esac + + # Remember which strategy left the state in the working tree + wt_strategy=$strategy + + eval 'git-merge-$strategy '"$xopt"' $common -- "$head_arg" "$@"' + exit=$? + if test "$no_commit" = t && test "$exit" = 0 + then + merge_was_ok=t + exit=1 ;# pretend it left conflicts. + fi + + test "$exit" = 0 || { + + # The backend exits with 1 when conflicts are left to be resolved, + # with 2 when it does not handle the given merge at all. + + if test "$exit" -eq 1 + then + cnt=`{ + git diff-files --name-only + git ls-files --unmerged + } | wc -l` + if test $best_cnt -le 0 -o $cnt -le $best_cnt + then + best_strategy=$strategy + best_cnt=$cnt + fi + fi + continue + } + + # Automerge succeeded. + result_tree=$(git write-tree) && break +done + +# If we have a resulting tree, that means the strategy module +# auto resolved the merge cleanly. +if test '' != "$result_tree" +then + if test "$allow_fast_forward" = "t" + then + parents=$(git merge-base --independent "$head" "$@") + else + parents=$(git rev-parse "$head" "$@") + fi + parents=$(echo "$parents" | sed -e 's/^/-p /') + result_commit=$(printf '%s\n' "$merge_msg" | git commit-tree $result_tree $parents) || exit + finish "$result_commit" "Merge made by $wt_strategy." + dropsave + exit 0 +fi + +# Pick the result from the best strategy and have the user fix it up. +case "$best_strategy" in +'') + restorestate + case "$use_strategies" in + ?*' '?*) + echo >&2 "No merge strategy handled the merge." + ;; + *) + echo >&2 "Merge with strategy $use_strategies failed." + ;; + esac + exit 2 + ;; +"$wt_strategy") + # We already have its result in the working tree. + ;; +*) + echo "Rewinding the tree to pristine..." + restorestate + echo "Using the $best_strategy to prepare resolving by hand." + git-merge-$best_strategy $common -- "$head_arg" "$@" + ;; +esac + +if test "$squash" = t +then + finish +else + for remote + do + echo $remote + done >"$GIT_DIR/MERGE_HEAD" + printf '%s\n' "$merge_msg" >"$GIT_DIR/MERGE_MSG" || + die "Could not write to $GIT_DIR/MERGE_MSG" + if test "$allow_fast_forward" != t + then + printf "%s" no-ff + else + : + fi >"$GIT_DIR/MERGE_MODE" || + die "Could not write to $GIT_DIR/MERGE_MODE" +fi + +if test "$merge_was_ok" = t +then + echo >&2 \ + "Automatic merge went well; stopped before committing as requested" + exit 0 +else + { + echo ' +Conflicts: +' + git ls-files --unmerged | + sed -e 's/^[^ ]* / /' | + uniq + } >>"$GIT_DIR/MERGE_MSG" + git rerere $rr_arg + die "Automatic merge failed; fix conflicts and then commit the result." +fi diff --git a/contrib/examples/git-notes.sh b/contrib/examples/git-notes.sh new file mode 100755 index 0000000000..e642e47d9f --- /dev/null +++ b/contrib/examples/git-notes.sh @@ -0,0 +1,121 @@ +#!/bin/sh + +USAGE="(edit [-F <file> | -m <msg>] | show) [commit]" +. git-sh-setup + +test -z "$1" && usage +ACTION="$1"; shift + +test -z "$GIT_NOTES_REF" && GIT_NOTES_REF="$(git config core.notesref)" +test -z "$GIT_NOTES_REF" && GIT_NOTES_REF="refs/notes/commits" + +MESSAGE= +while test $# != 0 +do + case "$1" in + -m) + test "$ACTION" = "edit" || usage + shift + if test "$#" = "0"; then + die "error: option -m needs an argument" + else + if [ -z "$MESSAGE" ]; then + MESSAGE="$1" + else + MESSAGE="$MESSAGE + +$1" + fi + shift + fi + ;; + -F) + test "$ACTION" = "edit" || usage + shift + if test "$#" = "0"; then + die "error: option -F needs an argument" + else + if [ -z "$MESSAGE" ]; then + MESSAGE="$(cat "$1")" + else + MESSAGE="$MESSAGE + +$(cat "$1")" + fi + shift + fi + ;; + -*) + usage + ;; + *) + break + ;; + esac +done + +COMMIT=$(git rev-parse --verify --default HEAD "$@") || +die "Invalid commit: $@" + +case "$ACTION" in +edit) + if [ "${GIT_NOTES_REF#refs/notes/}" = "$GIT_NOTES_REF" ]; then + die "Refusing to edit notes in $GIT_NOTES_REF (outside of refs/notes/)" + fi + + MSG_FILE="$GIT_DIR/new-notes-$COMMIT" + GIT_INDEX_FILE="$MSG_FILE.idx" + export GIT_INDEX_FILE + + trap ' + test -f "$MSG_FILE" && rm "$MSG_FILE" + test -f "$GIT_INDEX_FILE" && rm "$GIT_INDEX_FILE" + ' 0 + + CURRENT_HEAD=$(git show-ref "$GIT_NOTES_REF" | cut -f 1 -d ' ') + if [ -z "$CURRENT_HEAD" ]; then + PARENT= + else + PARENT="-p $CURRENT_HEAD" + git read-tree "$GIT_NOTES_REF" || die "Could not read index" + fi + + if [ -z "$MESSAGE" ]; then + GIT_NOTES_REF= git log -1 $COMMIT | sed "s/^/#/" > "$MSG_FILE" + if [ ! -z "$CURRENT_HEAD" ]; then + git cat-file blob :$COMMIT >> "$MSG_FILE" 2> /dev/null + fi + core_editor="$(git config core.editor)" + ${GIT_EDITOR:-${core_editor:-${VISUAL:-${EDITOR:-vi}}}} "$MSG_FILE" + else + echo "$MESSAGE" > "$MSG_FILE" + fi + + grep -v ^# < "$MSG_FILE" | git stripspace > "$MSG_FILE".processed + mv "$MSG_FILE".processed "$MSG_FILE" + if [ -s "$MSG_FILE" ]; then + BLOB=$(git hash-object -w "$MSG_FILE") || + die "Could not write into object database" + git update-index --add --cacheinfo 0644 $BLOB $COMMIT || + die "Could not write index" + else + test -z "$CURRENT_HEAD" && + die "Will not initialise with empty tree" + git update-index --force-remove $COMMIT || + die "Could not update index" + fi + + TREE=$(git write-tree) || die "Could not write tree" + NEW_HEAD=$(echo Annotate $COMMIT | git commit-tree $TREE $PARENT) || + die "Could not annotate" + git update-ref -m "Annotate $COMMIT" \ + "$GIT_NOTES_REF" $NEW_HEAD $CURRENT_HEAD +;; +show) + git rev-parse -q --verify "$GIT_NOTES_REF":$COMMIT > /dev/null || + die "No note for commit $COMMIT." + git show "$GIT_NOTES_REF":$COMMIT +;; +*) + usage +esac diff --git a/contrib/examples/git-remote.perl b/contrib/examples/git-remote.perl index b30ed734e7..b17952a785 100755 --- a/contrib/examples/git-remote.perl +++ b/contrib/examples/git-remote.perl @@ -129,10 +129,7 @@ sub update_ls_remote { return if (($harder == 0) || (($harder == 1) && exists $info->{'LS_REMOTE'})); - my @ref = map { - s|^[0-9a-f]{40}\s+refs/heads/||; - $_; - } $git->command(qw(ls-remote --heads), $info->{'URL'}); + my @ref = map { s|refs/heads/||; $_; } keys %{$git->remote_refs($info->{'URL'}, [ 'heads' ])}; $info->{'LS_REMOTE'} = \@ref; } @@ -312,7 +309,7 @@ sub update_remote { } } } else { - print STDERR "Remote group $name does not exists.\n"; + print STDERR "Remote group $name does not exist.\n"; exit(1); } for (@remotes) { diff --git a/contrib/examples/git-resolve.sh b/contrib/examples/git-resolve.sh index 0ee1bd898e..8f98142f77 100755 --- a/contrib/examples/git-resolve.sh +++ b/contrib/examples/git-resolve.sh @@ -48,7 +48,7 @@ case "$common" in "$head") echo "Updating $(git rev-parse --short $head)..$(git rev-parse --short $merge)" git read-tree -u -m $head $merge || exit 1 - git update-ref -m "resolve $merge_name: Fast forward" \ + git update-ref -m "resolve $merge_name: Fast-forward" \ HEAD "$merge" "$head" git diff-tree -p $head $merge | git apply --stat dropheads diff --git a/contrib/examples/git-revert.sh b/contrib/examples/git-revert.sh index 49f00321b2..6bf155cbdb 100755 --- a/contrib/examples/git-revert.sh +++ b/contrib/examples/git-revert.sh @@ -26,6 +26,7 @@ require_work_tree cd_to_toplevel no_commit= +xopt= while case "$#" in 0) break ;; esac do case "$1" in @@ -44,6 +45,16 @@ do -x|--i-really-want-to-expose-my-private-commit-object-name) replay= ;; + -X?*) + xopt="$xopt$(git rev-parse --sq-quote "--${1#-X}")" + ;; + --strategy-option=*) + xopt="$xopt$(git rev-parse --sq-quote "--${1#--strategy-option=}")" + ;; + -X|--strategy-option) + shift + xopt="$xopt$(git rev-parse --sq-quote "--$1")" + ;; -*) usage ;; @@ -159,7 +170,7 @@ export GITHEAD_$head GITHEAD_$next # and $prev on top of us (when reverting), or the change between # $prev and $commit on top of us (when cherry-picking or replaying). -git-merge-recursive $base -- $head $next && +eval "git merge-recursive $xopt $base -- $head $next" && result=$(git-write-tree 2>/dev/null) || { mv -f .msg "$GIT_DIR/MERGE_MSG" { @@ -181,7 +192,6 @@ Conflicts: esac exit 1 } -echo >&2 "Finished one $me." # If we are cherry-pick, and if the merge did not result in # hand-editing, we will hit this commit and inherit the original diff --git a/contrib/examples/git-svnimport.perl b/contrib/examples/git-svnimport.perl index ea8c1b2f60..b09ff8f12f 100755 --- a/contrib/examples/git-svnimport.perl +++ b/contrib/examples/git-svnimport.perl @@ -1,4 +1,4 @@ -#!/usr/bin/perl -w +#!/usr/bin/perl # This tool is copyright (c) 2005, Matthias Urlichs. # It is released under the Gnu Public License, version 2. @@ -287,9 +287,9 @@ my $last_rev = ""; my $last_branch; my $current_rev = $opt_s || 1; unless(-d $git_dir) { - system("git-init"); + system("git init"); die "Cannot init the GIT db at $git_tree: $?\n" if $?; - system("git-read-tree"); + system("git read-tree --empty"); die "Cannot init an empty tree: $?\n" if $?; $last_branch = $opt_o; @@ -303,7 +303,7 @@ unless(-d $git_dir) { -f "$git_dir/svn2git" or die "'$git_dir/svn2git' does not exist.\n". "You need that file for incremental imports.\n"; - open(F, "git-symbolic-ref HEAD |") or + open(F, "git symbolic-ref HEAD |") or die "Cannot run git-symbolic-ref: $!\n"; chomp ($last_branch = <F>); $last_branch = basename($last_branch); @@ -331,7 +331,7 @@ EOM "$git_dir/refs/heads/$opt_o") == 0; # populate index - system('git-read-tree', $last_rev); + system('git', 'read-tree', $last_rev); die "read-tree failed: $?\n" if $?; # Get the last import timestamps @@ -399,7 +399,7 @@ sub get_file($$$) { my $pid = open(my $F, '-|'); die $! unless defined $pid; if (!$pid) { - exec("git-hash-object", "-w", $name) + exec("git", "hash-object", "-w", $name) or die "Cannot create object: $!\n"; } my $sha = <$F>; @@ -423,7 +423,7 @@ sub get_ignore($$$$$) { my $pid = open(my $F, '-|'); die $! unless defined $pid; if (!$pid) { - exec("git-hash-object", "-w", $name) + exec("git", "hash-object", "-w", $name) or die "Cannot create object: $!\n"; } my $sha = <$F>; @@ -547,7 +547,7 @@ sub copy_path($$$$$$$$) { my $pid = open my $f,'-|'; die $! unless defined $pid; if (!$pid) { - exec("git-ls-tree","-r","-z",$gitrev,$srcpath) + exec("git","ls-tree","-r","-z",$gitrev,$srcpath) or die $!; } local $/ = "\0"; @@ -634,7 +634,7 @@ sub commit { my $rev; if($revision > $opt_s and defined $parent) { - open(H,'-|',"git-rev-parse","--verify",$parent); + open(H,'-|',"git","rev-parse","--verify",$parent); $rev = <H>; close(H) or do { print STDERR "$revision: cannot find commit '$parent'!\n"; @@ -671,7 +671,7 @@ sub commit { unlink($git_index); } elsif ($rev ne $last_rev) { print "Switching from $last_rev to $rev ($branch)\n" if $opt_v; - system("git-read-tree", $rev); + system("git", "read-tree", $rev); die "read-tree failed for $rev: $?\n" if $?; $last_rev = $rev; } @@ -740,7 +740,7 @@ sub commit { my $pid = open my $F, "-|"; die "$!" unless defined $pid; if (!$pid) { - exec("git-ls-files", "-z", @o1) or die $!; + exec("git", "ls-files", "-z", @o1) or die $!; } @o1 = (); local $/ = "\0"; @@ -758,7 +758,7 @@ sub commit { @o2 = @o1; @o1 = (); } - system("git-update-index","--force-remove","--",@o2); + system("git","update-index","--force-remove","--",@o2); die "Cannot remove files: $?\n" if $?; } } @@ -770,7 +770,7 @@ sub commit { @n2 = @new; @new = (); } - system("git-update-index","--add", + system("git","update-index","--add", (map { ('--cacheinfo', @$_) } @n2)); die "Cannot add files: $?\n" if $?; } @@ -778,7 +778,7 @@ sub commit { my $pid = open(C,"-|"); die "Cannot fork: $!" unless defined $pid; unless($pid) { - exec("git-write-tree"); + exec("git","write-tree"); die "Cannot exec git-write-tree: $!\n"; } chomp(my $tree = <C>); @@ -830,7 +830,7 @@ sub commit { "GIT_COMMITTER_NAME=$committer_name", "GIT_COMMITTER_EMAIL=$committer_email", "GIT_COMMITTER_DATE=".strftime("+0000 %Y-%m-%d %H:%M:%S",gmtime($date)), - "git-commit-tree", $tree,@par); + "git", "commit-tree", $tree,@par); die "Cannot exec git-commit-tree: $!\n"; } $pw->writer(); @@ -874,7 +874,7 @@ sub commit { $dest =~ tr/_/\./ if $opt_u; - system('git-tag', '-f', $dest, $cid) == 0 + system('git', 'tag', '-f', $dest, $cid) == 0 or die "Cannot create tag $dest: $!\n"; print "Created tag '$dest' on '$branch'\n" if $opt_v; @@ -933,11 +933,11 @@ while ($to_rev < $opt_l) { $to_rev = $from_rev + $repack_after; $to_rev = $opt_l if $opt_l < $to_rev; print "Fetching from $from_rev to $to_rev ...\n" if $opt_v; - $svn->{'svn'}->get_log("/",$from_rev,$to_rev,0,1,1,\&commit_all); + $svn->{'svn'}->get_log("",$from_rev,$to_rev,0,1,1,\&commit_all); my $pid = fork(); die "Fork: $!\n" unless defined $pid; unless($pid) { - exec("git-repack", "-d") + exec("git", "repack", "-d") or die "Cannot repack: $!\n"; } waitpid($pid, 0); @@ -958,7 +958,7 @@ if($orig_branch) { system("cp","$git_dir/refs/heads/$opt_o","$git_dir/refs/heads/master") if $forward_master; unless ($opt_i) { - system('git-read-tree', '-m', '-u', 'SVN2GIT_HEAD', 'HEAD'); + system('git', 'read-tree', '-m', '-u', 'SVN2GIT_HEAD', 'HEAD'); die "read-tree failed: $?\n" if $?; } } else { @@ -966,7 +966,7 @@ if($orig_branch) { print "DONE; creating $orig_branch branch\n" if $opt_v and (not defined $opt_l or $opt_l > 0); system("cp","$git_dir/refs/heads/$opt_o","$git_dir/refs/heads/master") unless -f "$git_dir/refs/heads/master"; - system('git-update-ref', 'HEAD', "$orig_branch"); + system('git', 'update-ref', 'HEAD', "$orig_branch"); unless ($opt_i) { system('git checkout'); die "checkout failed: $?\n" if $?; diff --git a/contrib/examples/git-svnimport.txt b/contrib/examples/git-svnimport.txt index 71aad8b45b..3bb871e42f 100644 --- a/contrib/examples/git-svnimport.txt +++ b/contrib/examples/git-svnimport.txt @@ -114,9 +114,9 @@ due to SVN memory leaks. (These have been worked around.) -R <repack_each_revs>:: Specify how often git repository should be repacked. + -The default value is 1000. git-svnimport will do import in chunks of 1000 -revisions, after each chunk git repository will be repacked. To disable -this behavior specify some big value here which is mote than number of +The default value is 1000. git-svnimport will do imports in chunks of 1000 +revisions, after each chunk the git repository will be repacked. To disable +this behavior specify some large value here which is greater than the number of revisions to import. -P <path_from_trunk>:: diff --git a/contrib/examples/git-tag.sh b/contrib/examples/git-tag.sh index e9f3a228af..2c15bc955b 100755 --- a/contrib/examples/git-tag.sh +++ b/contrib/examples/git-tag.sh @@ -164,7 +164,7 @@ git check-ref-format "tags/$name" || object=$(git rev-parse --verify --default HEAD "$@") || exit 1 type=$(git cat-file -t $object) || exit 1 -tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1 +tagger=$(git var GIT_COMMITTER_IDENT) || exit 1 test -n "$username" || username=$(git config user.signingkey) || |