From b2d62f161ebfb628cbe32900213ac18f9aa5bcb4 Mon Sep 17 00:00:00 2001 From: Junio C Hamano Date: Wed, 4 May 2005 01:26:24 -0700 Subject: [PATCH] Make git-*-pull say who wants them for missing objects. This patch updates pull.c, the engine that decides which objects are needed, given a commit to traverse from, to report which commit was calling for the object that cannot be retrieved from the remote side. This complements git-fsck-cache in that it checks the consistency of the remote repository for reachability. Signed-off-by: Junio C Hamano --- pull.c | 37 ++++++++++++++++++++++++++++++------- 1 file changed, 30 insertions(+), 7 deletions(-) diff --git a/pull.c b/pull.c index bbef245f..55f17c0a 100644 --- a/pull.c +++ b/pull.c @@ -7,12 +7,31 @@ int get_tree = 0; int get_history = 0; int get_all = 0; +static unsigned char current_commit_sha1[20]; -static int make_sure_we_have_it(unsigned char *sha1) +static const char commitS[] = "commit"; +static const char treeS[] = "tree"; +static const char blobS[] = "blob"; + +static void report_missing(const char *what, const unsigned char *missing) +{ + char missing_hex[41]; + + strcpy(missing_hex, sha1_to_hex(missing));; + fprintf(stderr, + "Cannot obtain needed %s %s\nwhile processing commit %s.\n", + what, missing_hex, sha1_to_hex(current_commit_sha1)); +} + +static int make_sure_we_have_it(const char *what, unsigned char *sha1) { + int status; if (has_sha1_file(sha1)) return 0; - return fetch(sha1); + status = fetch(sha1); + if (status && what) + report_missing(what, sha1); + return status; } static int process_tree(unsigned char *sha1) @@ -24,7 +43,8 @@ static int process_tree(unsigned char *sha1) return -1; for (entries = tree->entries; entries; entries = entries->next) { - if (make_sure_we_have_it(entries->item.tree->object.sha1)) + const char *what = entries->directory ? treeS : blobS; + if (make_sure_we_have_it(what, entries->item.tree->object.sha1)) return -1; if (entries->directory) { if (process_tree(entries->item.tree->object.sha1)) @@ -38,14 +58,14 @@ static int process_commit(unsigned char *sha1) { struct commit *obj = lookup_commit(sha1); - if (make_sure_we_have_it(sha1)) + if (make_sure_we_have_it(commitS, sha1)) return -1; if (parse_commit(obj)) return -1; if (get_tree) { - if (make_sure_we_have_it(obj->tree->object.sha1)) + if (make_sure_we_have_it(treeS, obj->tree->object.sha1)) return -1; if (process_tree(obj->tree->object.sha1)) return -1; @@ -57,7 +77,8 @@ static int process_commit(unsigned char *sha1) for (; parents; parents = parents->next) { if (has_sha1_file(parents->item->object.sha1)) continue; - if (make_sure_we_have_it(parents->item->object.sha1)) { + if (make_sure_we_have_it(NULL, + parents->item->object.sha1)) { /* The server might not have it, and * we don't mind. */ @@ -65,6 +86,7 @@ static int process_commit(unsigned char *sha1) } if (process_commit(parents->item->object.sha1)) return -1; + memcpy(current_commit_sha1, sha1, 20); } } return 0; @@ -77,8 +99,9 @@ int pull(char *target) retval = get_sha1_hex(target, sha1); if (retval) return retval; - retval = make_sure_we_have_it(sha1); + retval = make_sure_we_have_it(commitS, sha1); if (retval) return retval; + memcpy(current_commit_sha1, sha1, 20); return process_commit(sha1); } -- 2.11.0