189 lines
5.3 KiB
Diff
189 lines
5.3 KiB
Diff
From b93ce2249751e0d90dab38e91691a6e9f33c3512 Mon Sep 17 00:00:00 2001
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From: Martin Jansa <Martin.Jansa@gmail.com>
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Date: Sat, 29 Sep 2012 11:38:03 +0200
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Subject: [PATCH 09/10] pkg_depends: fix version constraints
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* factor parsing version constraint to str_to_constraint and use that
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from pkg (pkg_version_satisfied) and also pkg_depends (parseDepends)
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* fix constraint_to_str(), for EARLIER and LATER it was using '<' and
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'>' which is parsed later as EARLIER_EQUAL and LATER_EQUAL
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* show notice when deprecated '<' or '>' is used
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Upstream-Status: Submitted
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http://code.google.com/p/opkg/issues/detail?id=94
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Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
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---
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libopkg/pkg.c | 36 +++++++++++--------------
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libopkg/pkg_depends.c | 73 +++++++++++++++++++++++++++++----------------------
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libopkg/pkg_depends.h | 1 +
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3 files changed, 59 insertions(+), 51 deletions(-)
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diff --git a/libopkg/pkg.c b/libopkg/pkg.c
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index 255c673..1e98b9c 100644
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--- a/libopkg/pkg.c
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+++ b/libopkg/pkg.c
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@@ -968,28 +968,24 @@ pkg_version_satisfied(pkg_t *it, pkg_t *ref, const char *op)
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int r;
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r = pkg_compare_versions(it, ref);
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+ char *op2 = op;
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+ enum version_constraint constraint = str_to_constraint(&op2);
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- if (strcmp(op, "<=") == 0 || strcmp(op, "<") == 0) {
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- return r <= 0;
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- }
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-
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- if (strcmp(op, ">=") == 0 || strcmp(op, ">") == 0) {
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- return r >= 0;
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- }
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-
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- if (strcmp(op, "<<") == 0) {
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- return r < 0;
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- }
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-
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- if (strcmp(op, ">>") == 0) {
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- return r > 0;
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- }
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-
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- if (strcmp(op, "=") == 0) {
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- return r == 0;
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+ switch (constraint)
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+ {
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+ case EARLIER_EQUAL:
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+ return r <= 0;
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+ case LATER_EQUAL:
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+ return r >= 0;
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+ case EARLIER:
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+ return r < 0;
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+ case LATER:
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+ return r > 0;
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+ case EQUAL:
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+ return r == 0;
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+ case NONE:
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+ opkg_msg(ERROR, "Unknown operator: %s.\n", op);
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}
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-
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- opkg_msg(ERROR, "Unknown operator: %s.\n", op);
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return 0;
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}
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diff --git a/libopkg/pkg_depends.c b/libopkg/pkg_depends.c
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index a72eed7..3dd8240 100644
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--- a/libopkg/pkg_depends.c
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+++ b/libopkg/pkg_depends.c
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@@ -781,7 +781,7 @@ constraint_to_str(enum version_constraint c)
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case NONE:
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return "";
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case EARLIER:
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- return "< ";
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+ return "<< ";
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case EARLIER_EQUAL:
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return "<= ";
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case EQUAL:
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@@ -789,12 +789,51 @@ constraint_to_str(enum version_constraint c)
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case LATER_EQUAL:
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return ">= ";
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case LATER:
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- return "> ";
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+ return ">> ";
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}
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return "";
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}
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+enum version_constraint
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+str_to_constraint(char **str)
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+{
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+ if(!strncmp(*str, "<<", 2)){
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+ *str += 2;
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+ return EARLIER;
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+ }
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+ else if(!strncmp(*str, "<=", 2)){
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+ *str += 2;
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+ return EARLIER_EQUAL;
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+ }
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+ else if(!strncmp(*str, ">=", 2)){
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+ *str += 2;
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+ return LATER_EQUAL;
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+ }
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+ else if(!strncmp(*str, ">>", 2)){
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+ *str += 2;
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+ return LATER;
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+ }
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+ else if(!strncmp(*str, "=", 1)){
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+ *str += 1;
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+ return EQUAL;
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+ }
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+ /* should these be here to support deprecated designations; dpkg does */
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+ else if(!strncmp(*str, "<", 1)){
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+ *str += 1;
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+ opkg_msg(NOTICE, "Deprecated version constraint '<' was used with the same meaning as '<='. Use '<<' for EARLIER constraint.\n");
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+ return EARLIER_EQUAL;
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+ }
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+ else if(!strncmp(*str, ">", 1)){
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+ *str += 1;
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+ opkg_msg(NOTICE, "Deprecated version constraint '>' was used with the same meaning as '>='. Use '>>' for LATER constraint.\n");
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+ return LATER_EQUAL;
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+ }
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+ else {
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+ return NONE;
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+ }
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+}
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+
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/*
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* Returns a printable string for pkg's dependency at the specified idx. The
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* resultant string must be passed to free() by the caller.
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@@ -949,35 +988,7 @@ static int parseDepends(compound_depend_t *compound_depend,
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/* extract constraint and version */
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if(*src == '('){
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src++;
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- if(!strncmp(src, "<<", 2)){
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- possibilities[i]->constraint = EARLIER;
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- src += 2;
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- }
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- else if(!strncmp(src, "<=", 2)){
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- possibilities[i]->constraint = EARLIER_EQUAL;
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- src += 2;
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- }
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- else if(!strncmp(src, ">=", 2)){
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- possibilities[i]->constraint = LATER_EQUAL;
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- src += 2;
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- }
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- else if(!strncmp(src, ">>", 2)){
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- possibilities[i]->constraint = LATER;
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- src += 2;
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- }
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- else if(!strncmp(src, "=", 1)){
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- possibilities[i]->constraint = EQUAL;
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- src++;
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- }
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- /* should these be here to support deprecated designations; dpkg does */
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- else if(!strncmp(src, "<", 1)){
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- possibilities[i]->constraint = EARLIER_EQUAL;
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- src++;
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- }
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- else if(!strncmp(src, ">", 1)){
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- possibilities[i]->constraint = LATER_EQUAL;
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- src++;
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- }
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+ possibilities[i]->constraint = str_to_constraint(&src);
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/* now we have any constraint, pass space to version string */
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while(isspace(*src)) src++;
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diff --git a/libopkg/pkg_depends.h b/libopkg/pkg_depends.h
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index ca0801f..685a722 100644
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--- a/libopkg/pkg_depends.h
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+++ b/libopkg/pkg_depends.h
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@@ -87,6 +87,7 @@ pkg_vec_t * pkg_hash_fetch_conflicts(pkg_t * pkg);
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int pkg_dependence_satisfiable(depend_t *depend);
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int pkg_dependence_satisfied(depend_t *depend);
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const char* constraint_to_str(enum version_constraint c);
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+enum version_constraint str_to_constraint(char **str);
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int is_pkg_in_pkg_vec(pkg_vec_t * vec, pkg_t * pkg);
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#endif
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--
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1.7.12
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