stagit-gopher

static git page generator for gopher (mirror)
git clone git://git.2f30.org/stagit-gopher.git
Log | Files | Refs | README | LICENSE

commit ec19160fa44ca478dd7e319eea8ee1ee1a0973e2
parent ab46ca27fc26888dc6e061c614d085114eb7b1ea
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Fri,  9 Feb 2018 16:13:57 +0100

optimization: only diff the tree when it is needed for the diffstat...

... also clear all fields in the structure on failure.

Diffstat:
stagit-gopher.c | 42+++++++++++++++++++++++++-----------------
1 file changed, 25 insertions(+), 17 deletions(-)

diff --git a/stagit-gopher.c b/stagit-gopher.c @@ -131,7 +131,7 @@ deltainfo_free(struct deltainfo *di) if (!di) return; git_patch_free(di->patch); - di->patch = NULL; + memset(di, 0, sizeof(*di)); free(di); } @@ -139,6 +139,7 @@ int commitinfo_getstats(struct commitinfo *ci) { struct deltainfo *di; + git_diff_options opts; const git_diff_delta *delta; const git_diff_hunk *hunk; const git_diff_line *line; @@ -146,6 +147,20 @@ commitinfo_getstats(struct commitinfo *ci) size_t ndeltas, nhunks, nhunklines; size_t i, j, k; + if (git_tree_lookup(&(ci->commit_tree), repo, git_commit_tree_id(ci->commit))) + goto err; + if (!git_commit_parent(&(ci->parent), ci->commit, 0)) { + if (git_tree_lookup(&(ci->parent_tree), repo, git_commit_tree_id(ci->parent))) { + ci->parent = NULL; + ci->parent_tree = NULL; + } + } + + git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION); + opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH; + if (git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts)) + goto err; + ndeltas = git_diff_num_deltas(ci->diff); if (ndeltas && !(ci->deltas = calloc(ndeltas, sizeof(struct deltainfo *)))) err(1, "calloc"); @@ -187,6 +202,14 @@ commitinfo_getstats(struct commitinfo *ci) return 0; err: + git_diff_free(ci->diff); + ci->diff = NULL; + git_tree_free(ci->commit_tree); + ci->commit_tree = NULL; + git_tree_free(ci->parent_tree); + ci->parent_tree = NULL; + git_commit_free(ci->parent); + ci->parent = NULL; if (ci->deltas) for (i = 0; i < ci->ndeltas; i++) deltainfo_free(ci->deltas[i]); @@ -211,12 +234,12 @@ commitinfo_free(struct commitinfo *ci) for (i = 0; i < ci->ndeltas; i++) deltainfo_free(ci->deltas[i]); free(ci->deltas); - ci->deltas = NULL; git_diff_free(ci->diff); git_tree_free(ci->commit_tree); git_tree_free(ci->parent_tree); git_commit_free(ci->commit); git_commit_free(ci->parent); + memset(ci, 0, sizeof(*ci)); free(ci); } @@ -224,7 +247,6 @@ struct commitinfo * commitinfo_getbyoid(const git_oid *id) { struct commitinfo *ci; - git_diff_options opts; if (!(ci = calloc(1, sizeof(struct commitinfo)))) err(1, "calloc"); @@ -241,20 +263,6 @@ commitinfo_getbyoid(const git_oid *id) ci->summary = git_commit_summary(ci->commit); ci->msg = git_commit_message(ci->commit); - if (git_tree_lookup(&(ci->commit_tree), repo, git_commit_tree_id(ci->commit))) - goto err; - if (!git_commit_parent(&(ci->parent), ci->commit, 0)) { - if (git_tree_lookup(&(ci->parent_tree), repo, git_commit_tree_id(ci->parent))) { - ci->parent = NULL; - ci->parent_tree = NULL; - } - } - - git_diff_init_options(&opts, GIT_DIFF_OPTIONS_VERSION); - opts.flags |= GIT_DIFF_DISABLE_PATHSPEC_MATCH; - if (git_diff_tree_to_tree(&(ci->diff), repo, ci->parent_tree, ci->commit_tree, &opts)) - goto err; - return ci; err: