Changed release script to generate drafts

Interesting open-source projects that I've ran into around embedded
storage. May be interesting to others in the embedded space.

Added mklfs, SPIFFS, and Dhara.

Also a thanks to jolivepetrus for posting the mklfs tool he put
together.

.travis.yml

@@ -140,12 +140,13 @@ jobs:
         - LFS_VERSION_MINOR=$((0xffff & ($LFS_VERSION >>  0)))
         # Grab latests patch from repo tags, default to 0, needs finagling to get past github's pagination api
         - PREV_URL=https://api.github.com/repos/$TRAVIS_REPO_SLUG/git/refs/tags/v$LFS_VERSION_MAJOR.$LFS_VERSION_MINOR.
-        - PREV_URL=$(curl -f -u "$GEKY_BOT_RELEASES" "$PREV_URL" -I
+        - PREV_URL=$(curl -u "$GEKY_BOT_RELEASES" "$PREV_URL" -I
                 | sed -n '/^Link/{s/.*<\(.*\)>; rel="last"/\1/;p;q0};$q1'
                 || echo $PREV_URL)
-        - LFS_VERSION_PATCH=$(curl -f -u "$GEKY_BOT_RELEASES" "$PREV_URL"
+        - LFS_VERSION_PATCH=$(curl -u "$GEKY_BOT_RELEASES" "$PREV_URL"
                 | jq 'map(.ref | match("\\bv.*\\..*\\.(.*)$";"g")
-                    .captures[].string | tonumber + 1) | max // 0')
+                    .captures[].string | tonumber) | max + 1'
+                || echo 0)
         # We have our new version
         - LFS_VERSION="v$LFS_VERSION_MAJOR.$LFS_VERSION_MINOR.$LFS_VERSION_PATCH"
         - echo "VERSION $LFS_VERSION"
@@ -156,24 +157,35 @@ jobs:
                 | jq -re '.sha')
           if [ "$TRAVIS_COMMIT" == "$CURRENT_COMMIT" ]
           then
-            # Build release notes
+            # Create a simple tag
-            PREV=$(git tag --sort=-v:refname -l "v*" | head -1)
-            if [ ! -z "$PREV" ]
-            then
-                echo "PREV $PREV"
-                CHANGES=$'### Changes\n\n'$( \
-                    git log --oneline $PREV.. --grep='^Merge' --invert-grep)
-                printf "CHANGES\n%s\n\n" "$CHANGES"
-            fi
-            # Create the release
             curl -f -u "$GEKY_BOT_RELEASES" -X POST \
-                https://api.github.com/repos/$TRAVIS_REPO_SLUG/releases \
+                https://api.github.com/repos/$TRAVIS_REPO_SLUG/git/refs \
                 -d "{
-                    \"tag_name\": \"$LFS_VERSION\",
+                    \"ref\": \"refs/tags/$LFS_VERSION\",
-                    \"target_commitish\": \"$TRAVIS_COMMIT\",
+                    \"sha\": \"$TRAVIS_COMMIT\"
-                    \"name\": \"${LFS_VERSION%.0}\",
-                    \"body\": $(jq -sR '.' <<< "$CHANGES")
                 }"
+            # Minor release?
+            if [[ "$LFS_VERSION" == *.0 ]]
+            then
+              # Build release notes
+              PREV=$(git tag --sort=-v:refname -l "v*.0" | head -1)
+              if [ ! -z "$PREV" ]
+              then
+                  echo "PREV $PREV"
+                  CHANGES=$'### Changes\n\n'$( \
+                      git log --oneline $PREV.. --grep='^Merge' --invert-grep)
+                  printf "CHANGES\n%s\n\n" "$CHANGES"
+              fi
+              # Create the release
+              curl -f -u "$GEKY_BOT_RELEASES" -X POST \
+                  https://api.github.com/repos/$TRAVIS_REPO_SLUG/releases \
+                  -d "{
+                      \"tag_name\": \"$LFS_VERSION\",
+                      \"name\": \"${LFS_VERSION%.0}\",
+                      \"draft\": true,
+                      \"body\": $(jq -sR '.' <<< "$CHANGES")
+                  }"
+            fi
           fi
 
 # Manage statuses

Makefile

@@ -26,7 +26,7 @@ override CFLAGS += -m$(WORD)
 endif
 override CFLAGS += -I.
 override CFLAGS += -std=c99 -Wall -pedantic
-override CFLAGS += -Wshadow -Wunused-parameter -Wjump-misses-init
+override CFLAGS += -Wshadow -Wunused-parameter -Wjump-misses-init -Wsign-compare
 
 
 all: $(TARGET)

README.md

@@ -175,3 +175,18 @@ handy.
 [littlefs-js](https://github.com/geky/littlefs-js) - A javascript wrapper for
 littlefs. I'm not sure why you would want this, but it is handy for demos.
 You can see it in action [here](http://littlefs.geky.net/demo.html).
+
+[mklfs](https://github.com/whitecatboard/Lua-RTOS-ESP32/tree/master/components/mklfs/src) -
+A command line tool built by the [Lua RTOS](https://github.com/whitecatboard/Lua-RTOS-ESP32)
+guys for making littlefs images from a host PC. Supports Windows, Mac OS,
+and Linux.
+
+[SPIFFS](https://github.com/pellepl/spiffs) - Another excellent embedded
+filesystem for NOR flash. As a more traditional logging filesystem with full
+static wear-leveling, SPIFFS will likely outperform littlefs on small
+memories such as the internal flash on microcontrollers.
+
+[Dhara](https://github.com/dlbeer/dhara) - An interesting NAND flash
+translation layer designed for small MCUs. It offers static wear-leveling and
+power-resilience with only a fixed O(|address|) pointer structure stored on
+each block and in RAM.

lfs.c

@@ -2481,7 +2481,7 @@ int lfs_deorphan(lfs_t *lfs) {
     lfs_dir_t cwd = {.d.tail[0] = 0, .d.tail[1] = 1};
 
     // iterate over all directory directory entries
-    for (int i = 0; i < lfs->cfg->block_count; i++) {
+    for (lfs_size_t i = 0; i < lfs->cfg->block_count; i++) {
         if (lfs_pairisnull(cwd.d.tail)) {
             return 0;
         }

tests/test_alloc.sh

@@ -32,18 +32,18 @@ lfs_alloc_singleproc() {
 tests/test.py << TEST
     const char *names[] = {"bacon", "eggs", "pancakes"};
     lfs_mount(&lfs, &cfg) => 0;
-    for (int n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
+    for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
         sprintf((char*)buffer, "$1/%s", names[n]);
         lfs_file_open(&lfs, &file[n], (char*)buffer,
                 LFS_O_WRONLY | LFS_O_CREAT | LFS_O_APPEND) => 0;
     }
-    for (int n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
+    for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
         size = strlen(names[n]);
         for (int i = 0; i < $SIZE; i++) {
             lfs_file_write(&lfs, &file[n], names[n], size) => size;
         }
     }
-    for (int n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
+    for (unsigned n = 0; n < sizeof(names)/sizeof(names[0]); n++) {
         lfs_file_close(&lfs, &file[n]) => 0;
     }
     lfs_unmount(&lfs) => 0;

tests/test_seek.sh

@@ -301,7 +301,7 @@ tests/test.py << TEST
     size = strlen("hedgehoghog");
     const lfs_soff_t offsets[] = {512, 1020, 513, 1021, 511, 1019};
 
-    for (int i = 0; i < sizeof(offsets) / sizeof(offsets[0]); i++) {
+    for (unsigned i = 0; i < sizeof(offsets) / sizeof(offsets[0]); i++) {
         lfs_soff_t off = offsets[i];
         memcpy(buffer, "hedgehoghog", size);
         lfs_file_seek(&lfs, &file[0], off, LFS_SEEK_SET) => off;

tests/test_truncate.sh

@@ -23,14 +23,14 @@ tests/test.py << TEST
 
     lfs_mount(&lfs, &cfg) => 0;
 
-    for (int i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
+    for (unsigned i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
         sprintf((char*)buffer, "hairyhead%d", i);
         lfs_file_open(&lfs, &file[0], (const char*)buffer,
                 LFS_O_WRONLY | LFS_O_CREAT | LFS_O_TRUNC) => 0;
 
         strcpy((char*)buffer, "hair");
         size = strlen((char*)buffer);
-        for (int j = 0; j < startsizes[i]; j += size) {
+        for (lfs_off_t j = 0; j < startsizes[i]; j += size) {
             lfs_file_write(&lfs, &file[0], buffer, size) => size;
         }
         lfs_file_size(&lfs, &file[0]) => startsizes[i];
@@ -55,13 +55,13 @@ tests/test.py << TEST
 
     lfs_mount(&lfs, &cfg) => 0;
 
-    for (int i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
+    for (unsigned i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
         sprintf((char*)buffer, "hairyhead%d", i);
         lfs_file_open(&lfs, &file[0], (const char*)buffer, LFS_O_RDWR) => 0;
         lfs_file_size(&lfs, &file[0]) => hotsizes[i];
 
         size = strlen("hair");
-        int j = 0;
+        lfs_off_t j = 0;
         for (; j < startsizes[i] && j < hotsizes[i]; j += size) {
             lfs_file_read(&lfs, &file[0], buffer, size) => size;
             memcmp(buffer, "hair", size) => 0;
@@ -87,13 +87,13 @@ tests/test.py << TEST
 
     lfs_mount(&lfs, &cfg) => 0;
 
-    for (int i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
+    for (unsigned i = 0; i < sizeof(startsizes)/sizeof(startsizes[0]); i++) {
         sprintf((char*)buffer, "hairyhead%d", i);
         lfs_file_open(&lfs, &file[0], (const char*)buffer, LFS_O_RDONLY) => 0;
         lfs_file_size(&lfs, &file[0]) => coldsizes[i];
 
         size = strlen("hair");
-        int j = 0;
+        lfs_off_t j = 0;
         for (; j < startsizes[i] && j < hotsizes[i] && j < coldsizes[i];
                 j += size) {
             lfs_file_read(&lfs, &file[0], buffer, size) => size;